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Cheap flights from Seattle to Denver from C$ 66

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — DEN
2 May — 9 May1
1 adult
Thu 2/5
Thu 9/5

The best prices from Seattle/Tacoma Intl to Denver Intl are usually found in January or October, booked 34 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 April 2024.

Popular in

June

Cheapest in

January

Round-trip from

C$ 539

One-way from

C$ 130
High demand for flights, 27% potential price rise
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Best time to find cheap flights, 27% potential price drop
Search Deals
From Seattle/Tacoma Intl to Denver Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Denver Intl
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What is the cheapest day to fly round-trip from Seattle to Denver?

Sunday flights are found to be more expensive to fly from Seattle to Denver. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Denver.

How far in advance should I book a flight from Seattle to Denver?

Users have found that booking a flight from Seattle to Denver at least 35 days early can save you up to 45% on average compared to booking a flight this week. If booking 35 days before your flight isn’t an option for you, users have found flights from Seattle to Denver for as little as C$ 264 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 544 for flights departing within the next 3 days.

What is the cheapest month to fly from Seattle to Denver?

January can be a great time to fly to Denver from Seattle with a flight ticket averaging about C$ 297. Cheapflights users have found deals in the month of January for as cheap as C$ 96. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to Denver (SEA - DEN)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Seattle to Denver by exploring options for tickets in the evening.

Cheap Frontier flights from Seattle to Denver

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Denver. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
Take a look at some of the lowest-priced Frontier flights heading from Seattle to Denver. It's recommended that users confirm their flight details before booking.
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 104
Sat 24/810:08 p.m.SEA - DEN
Nonstop2h 43mFrontier
Wed 28/86:35 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 105
Sat 15/610:34 p.m.SEA - DEN
Nonstop2h 53mFrontier
Wed 19/65:06 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 117
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/57:20 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 124
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/56:10 a.m.DEN - SEA
1 stop7h 47mFrontier
Deal found 26/4C$ 165
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Mon 20/511:20 p.m.DEN - SEA
1 stop11h 35mFrontier
Deal found 26/4C$ 167
Sat 24/811:30 a.m.SEA - DEN
1 stop9h 34mFrontier
Wed 28/86:35 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 173
Tue 14/510:44 a.m.SEA - DEN
1 stop10h 20mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 179
Tue 14/510:44 a.m.SEA - DEN
1 stop5h 55mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 180

Cheap United Airlines flights from Seattle to Denver

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Denver. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Seattle to Denver. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 5/94:25 p.m.SEA - DEN
1 stop6h 34mUnited Airlines
Sun 8/96:00 a.m.DEN - SEA
1 stop6h 46mUnited Airlines
Deal found 27/4C$ 343
Thu 17/107:00 a.m.SEA - DEN
1 stop8h 39mUnited Airlines
Tue 22/106:00 a.m.DEN - SEA
1 stop6h 42mUnited Airlines
Deal found 26/4C$ 411
Tue 21/57:25 a.m.SEA - DEN
1 stop6h 26mUnited Airlines
Tue 28/58:55 p.m.DEN - SEA
2 stops26h 20mUnited Airlines
Deal found 26/4C$ 462
Fri 31/53:30 p.m.SEA - DEN
1 stop7h 29mUnited Airlines
Tue 4/611:20 a.m.DEN - SEA
2 stops11h 55mUnited Airlines
Deal found 26/4C$ 469
Thu 17/105:00 a.m.SEA - DEN
Nonstop2h 42mUnited Airlines
Tue 22/108:59 p.m.DEN - SEA
3 stops19h 25mUnited Airlines
Deal found 26/4C$ 518
Wed 15/57:10 p.m.SEA - DEN
Nonstop2h 50mUnited Airlines
Wed 29/56:00 a.m.DEN - SEA
1 stop5h 40mUnited Airlines
Deal found 26/4C$ 774

Cheap Seattle to Denver flights in April & May 2024

Find cheap flight options from Seattle to Denver specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 504,135 searches. Prices were last updated on 27 April 2024.
These are some of the most attractive deals on flights from Seattle to Denver in 2024. More deals are always being added, so be sure to check back regularly.
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 104
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 105
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/57:20 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 124
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/56:10 a.m.DEN - SEA
1 stop7h 47mFrontier
Deal found 26/4C$ 165
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Mon 20/511:20 p.m.DEN - SEA
1 stop11h 35mFrontier
Deal found 26/4C$ 167
Tue 14/510:44 a.m.SEA - DEN
1 stop10h 20mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 179
Tue 14/510:44 a.m.SEA - DEN
1 stop5h 55mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 180
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Mon 20/56:35 a.m.DEN - SEA
Nonstop3h 05mFrontier
Deal found 26/4C$ 199
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/56:10 a.m.DEN - SEA
1 stop7h 47mFrontier
Deal found 27/4C$ 206

Seattle to Denver 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Denver in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
These are some of the most attractive deals on flights from Seattle to Denver in 2024. More deals are always being added, so be sure to check back regularly.
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 104
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 105
Sat 15/610:34 p.m.SEA - DEN
Nonstop2h 53mFrontier
Wed 19/65:06 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 117
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/57:20 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 124
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/56:10 a.m.DEN - SEA
1 stop7h 47mFrontier
Deal found 26/4C$ 165
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Mon 20/511:20 p.m.DEN - SEA
1 stop11h 35mFrontier
Deal found 26/4C$ 167
Sat 24/811:30 a.m.SEA - DEN
1 stop9h 34mFrontier
Wed 28/86:35 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 173
Tue 14/510:44 a.m.SEA - DEN
1 stop10h 20mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 179
Tue 14/510:44 a.m.SEA - DEN
1 stop5h 55mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 180

Direct flights to Denver from Seattle

Discover non-stop flight options from Seattle to Denver. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
Take a look at some of the direct flights travelling from Seattle to Denver in the near future. Users seeking other options on flights from Seattle to Denver should update the search form at the top of the page.
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 104
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sun 19/55:01 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 25/4C$ 105
Sat 15/610:34 p.m.SEA - DEN
Nonstop2h 53mFrontier
Wed 19/65:06 a.m.DEN - SEA
Nonstop3h 03mFrontier
Deal found 26/4C$ 117
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Sat 18/57:20 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 124
Tue 14/59:35 p.m.SEA - DEN
Nonstop2h 50mFrontier
Mon 20/56:35 a.m.DEN - SEA
Nonstop3h 05mFrontier
Deal found 26/4C$ 199
Wed 26/69:41 p.m.SEA - DEN
Nonstop2h 55mFrontier
Tue 2/76:35 a.m.DEN - SEA
Nonstop3h 02mFrontier
Deal found 26/4C$ 206
Wed 12/67:25 a.m.SEA - DEN
Nonstop2h 48mDelta
Thu 20/67:55 p.m.DEN - SEA
Nonstop3h 06mDelta
Deal found 26/4C$ 216
Tue 4/66:09 a.m.SEA - DEN
Nonstop2h 47mAlaska Airlines
Tue 4/612:58 p.m.DEN - SEA
Nonstop2h 57mAlaska Airlines
Deal found 26/4C$ 221
Sun 16/67:25 a.m.SEA - DEN
Nonstop2h 48mDelta
Wed 19/67:55 p.m.DEN - SEA
Nonstop3h 06mDelta
Deal found 26/4C$ 242

Seattle to Denver flights leaving soon

Find last-minute flight options from Seattle to Denver for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
Users seeking a last-minute flight from Seattle to Denver should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Sat 4/56:09 a.m.SEA - DEN
Nonstop2h 44mAlaska Airlines
Sat 4/53:45 p.m.DEN - SEA
Nonstop2h 54mAlaska Airlines
Deal found 25/4C$ 351
Mon 6/56:09 a.m.SEA - DEN
Nonstop2h 44mAlaska Airlines
Mon 6/57:55 p.m.DEN - SEA
Nonstop2h 54mAlaska Airlines
Deal found 26/4C$ 392
Tue 7/55:30 a.m.SEA - DEN
1 stop5h 27mDelta
Tue 7/56:44 p.m.DEN - SEA
Nonstop2h 57mDelta
Deal found 26/4C$ 404
Sun 5/55:35 a.m.SEA - DEN
1 stop5h 24mDelta
Sun 5/57:50 p.m.DEN - SEA
Nonstop3h 06mDelta
Deal found 26/4C$ 466
Sat 4/510:00 a.m.SEA - DEN
1 stop7h 13mAlaska Airlines
Tue 7/55:32 p.m.DEN - SEA
2 stops13h 59mAlaska Airlines
Deal found 26/4C$ 634
Sat 4/510:00 a.m.SEA - DEN
1 stop7h 13mAlaska Airlines
Fri 10/55:50 p.m.DEN - SEA
2 stops13h 11mAlaska Airlines
Deal found 26/4C$ 662
Tue 7/510:00 a.m.SEA - DEN
1 stop5h 32mAlaska Airlines
Tue 14/512:41 p.m.DEN - SEA
2 stops18h 20mAlaska Airlines
Deal found 25/4C$ 690
Thu 2/511:22 a.m.SEA - DEN
1 stop4h 10mAlaska Airlines
Sun 5/56:00 p.m.DEN - SEA
2 stops13h 01mAlaska Airlines
Deal found 26/4C$ 731
Tue 7/510:00 a.m.SEA - DEN
1 stop5h 32mAlaska Airlines
Thu 16/57:00 a.m.DEN - SEA
2 stops13h 11mAlaska Airlines
Deal found 26/4C$ 773

One-way flights to Denver from Seattle

Search for one-way flight options from Seattle to Denver. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
If you're seeking multiple options on one-way flights from Seattle to Denver, be sure to check out these deals, which are updated often. Users needing a return flight from Seattle to Denver should utilize the search form above.
Mon 13/58:20 a.m.SEA - DEN
Nonstop2h 47mFrontier
Deal found 26/4C$ 66
Wed 12/67:25 a.m.SEA - DEN
Nonstop2h 48mDelta
Deal found 26/4C$ 96
Tue 14/510:44 a.m.SEA - DEN
1 stop5h 55mFrontier
Deal found 26/4C$ 120
Sun 19/58:11 a.m.SEA - DEN
Nonstop2h 47mAlaska Airlines
Deal found 26/4C$ 122
Mon 6/59:00 p.m.SEA - DEN
1 stop11h 00mFrontier
Deal found 26/4C$ 130
Thu 30/511:26 a.m.SEA - DEN
1 stop4h 11mAlaska Airlines
Deal found 26/4C$ 135
Mon 17/66:00 a.m.SEA - DEN
Nonstop2h 44mAlaska Airlines
Deal found 26/4C$ 149
Tue 14/58:40 a.m.SEA - DEN
1 stop7h 40mAmerican Airlines
Deal found 26/4C$ 158
Sat 22/67:55 p.m.SEA - DEN
Nonstop2h 42mDelta
Deal found 25/4C$ 163

Find flights from Seattle to Denver within your budget

Customize your flight search to find flights from Seattle to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 104 - C$ 382

Route

Depart

Return

Price

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 14/5

Nonstop2h 50m

Denver Intl

Sun 19/5

Nonstop3h 03m

C$ 104

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 24/8

Nonstop2h 43m

Denver Intl

Wed 28/8

Nonstop3h 02m

C$ 105

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 15/6

Nonstop2h 53m

Denver Intl

Wed 19/6

Nonstop3h 03m

C$ 117

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 14/5

Nonstop2h 50m

Denver Intl

Sat 18/5

Nonstop3h 02m

C$ 124

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Wed 12/6

Nonstop2h 48m

Denver Intl

Thu 20/6

Nonstop3h 06m

C$ 216

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 4/6

Nonstop2h 47m

Denver Intl

Tue 4/6

Nonstop2h 57m

C$ 221

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 24/8

1 stop5h 20m

Denver Intl

Wed 28/8

1 stop6h 04m

C$ 303

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 5/9

1 stop6h 34m

Denver Intl

Sun 8/9

1 stop6h 46m

C$ 343

Seattle/Tacoma IntlDenver Intl

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 17/6

Nonstop2h 35m

Denver Intl

Wed 19/6

2 stops6h 45m

C$ 382

Flights are sorted by cheapest first

Deals found on 26/4

When is the best time to book a flight from Seattle to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Denver. Price data was last updated on 28 January 2024.
The best time to book flights from Seattle to Denver is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Seattle to Denver?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Denver. Price data was last updated on 21 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Denver by month

Plan your trip from Seattle to Denver by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Denver is currently C$ 126 while a round-trip flight costs C$ 213. Price data was last updated on 21 April 2024.

Currently, January is the cheapest month in which you can book a flight from Seattle to Denver (average of C$ 395). Flying from Seattle to Denver in July is currently the most expensive (average of C$ 507). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 540

February

C$ 598

March

C$ 601

April

C$ 600

May

C$ 637

June

C$ 642

July

C$ 693

August

C$ 678

September

C$ 634

October

C$ 590

November

C$ 578

December

C$ 552

Temperature and rainfall in Denver by month

Plan your trip to Denver by taking into account the average temperature and rainfall totals by month.

DEN

Temperature

-1 - 23 °C

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 27 April 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and Southwest from Seattle to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Southwest
8.2
Very good
6,165 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Alaska Airlines
8.1
Very good
9,117 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Delta
8.1
Very good
10,951 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

United Airlines
7.4
Good
11,228 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

American Airlines
7.3
Good
14,875 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Food

7.4

Crew

8.7

Boarding

8.3

Overall

8.2

Entertainment

7.8

Comfort

8.1

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Denver?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Denver Intl (DEN) is your only option if you wish to fly from Seattle to Denver. On a typical day, there are 31 flights from Seattle/Tacoma Intl to Denver Intl, all of which are around 2h 40m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Seattle/Tacoma Intl to Denver.

  • Can I find flights from Seattle to Denver for under C$ 200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Denver for under C$ 200. The cheapest flight booked recently is on Frontier for just C$ 104, but on average you can expect to pay C$ 188.

  • Are there direct flights from Seattle to Denver for under C$ 200 on Cheapflights?

    Cheapflights has 20 direct flights from Seattle to Denver under C$ 200. A good price for a direct flight from Seattle to Denver is less than C$ 239.

  • Are there last-minute flights available from Seattle to Denver for under C$ 400?

    There are currently 12+ open flights from Seattle to Denver within the next 7 days for less than C$ 400.

  • What days are direct flights available from Seattle to Denver?

    You can find direct flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Saturday.

  • How popular is this Seattle to Denver flight route?

    This flight path from Seattle/Tacoma Intl to Denver Intl was viewed by 400 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from Seattle to Denver on average per day?

    Per day, 52 flights depart from Seattle to Denver on average.
    Morning (6am - Midday) - 19% of flight departures
    Afternoon (Noon - 6pm) - 52% of flight departures
    Evening (6pm - Midnight) - 29% of flight departures

  • How long is the flight from Seattle to Denver?

    There are many flights that can get you from Seattle to Denver in 2h 47m. Fly via Frontier, Delta, or Alaska Airlines to get the fastest option. There are 1654 km between Seattle and Denver. All flights are typically direct.

  • What are the cheapest airlines flying from Seattle to Denver round-trip?

    According to our current data, Frontier (C$ 104), Delta (C$ 216), and Alaska Airlines (C$ 221) offers the cheapest pricing from Seattle to Denver. Users have found that Frontier is 64% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Denver one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as C$ 66. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Seattle to Denver for a low price.

  • What are the most popular airlines that fly from Seattle to Denver?

    The most popular airlines flying from Seattle to Denver are Alaska Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • What are the most reliable airlines from Seattle to Denver?

    Before booking your flight to Denver from Seattle, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), United Airlines (91%), WestJet( 88%).

  • What are the cheapest flights from Seattle to Denver?

    Looking for the cheapest flight from Seattle to Denver? While on average our users pay C$ 211, our data indicates the cheapest price to be C$ 43. The most popular route (Seattle/Tacoma Intl - Denver Intl), is priced around C$ 167.

  • What does SEA to DEN mean?

    Seattle/Tacoma Intl Airport is SEA and Denver Intl Airport is DEN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Seattle to Denver that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Denver flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Denver with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Denver flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Denver that include hotel bookings?

    Yes. In addition to deals on Seattle to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Denver.

  • Can I find deals for business class flights from Seattle to Denver?

    Yes. Cheapflights offers flight deals from Seattle to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Denver that allow pets onboard?

    Many airlines flying from Seattle to Denver offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Denver?

    Yes, you can often find last-minute deals on Seattle to Denver flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Denver flight deals updated?

    The Seattle to Denver flight deals you see on this page were last updated on 26/4.

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Alternative routes for Seattle to Denver
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Seattle to Denver

Discover the top 4 airlines that operate flights from Seattle to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 504,135 searches. Data last updated 27 April 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 66AverageC$ 161FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 105AverageC$ 262FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 107AverageC$ 241FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 160AverageC$ 354FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Seattle to Denver by cabin class

Find flights from Seattle to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Seattle to Denver

Find hourly flight availability from Seattle to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2024.
17%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
37%of flight departuresAfternoonNoon to 6 pm
19%of flight departuresEvening6 pm to midnight
Midnight
6 AM
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6 PM

Weekly flight availability from Seattle to Denver

Explore weekly flight availability from Seattle to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 April 2024.
Sunday31daily flights
Monday37daily flights
Tuesday27daily flights
Wednesday24daily flights
Thursday35daily flights
Friday36daily flights
Saturday29daily flights

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How does Cheapflights help users find flights from Seattle to Denver?

Cheapflights helps you search for flights from Seattle to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Denver?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Denver for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Denver with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Denver with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from Seattle today and book when prices fit your budget.

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