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Cheap flights from Calgary to Seattle from C$ 140

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in March or July, booked 56 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Calgary to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to Seattle
Explore the most affordable flight options available from Calgary to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Fri 5/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Mon 8/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 29/10C$ 218
Thu 4/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Thu 11/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 28/10C$ 231
Mon 8/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Wed 10/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 27/10C$ 232
Fri 21/111:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Wed 10/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 27/10C$ 233
Thu 20/111:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Sun 23/1111:55 a.m.SEA - YYC
1 stop5h 25mWestJet
Deal found 29/10C$ 235
Thu 20/116:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Sun 23/113:40 p.m.SEA - YYC
1 stop6h 04mAir Canada
Deal found 27/10C$ 238
Thu 20/111:25 p.m.YYC - SEA
Nonstop1h 55mMultiple Airlines
Sun 23/118:12 a.m.SEA - YYC
Nonstop1h 38mMultiple Airlines
Deal found 27/10C$ 242
Wed 17/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Mon 22/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 27/10C$ 243
Tue 18/111:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Mon 24/1111:55 a.m.SEA - YYC
1 stop4h 25mWestJet
Deal found 29/10C$ 247

Cheap flight deals from Calgary to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Seattle (SEA). 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 29 October 2025.

Round-trip from

C$ 218

One-way from

C$ 140

Popular in

December

Cheapest in

March

Average price

C$ 363

Good round-trip deal

C$ 447 or less

Good one-way deal

C$ 143 or less
WestJet
  • WestJet
  • 5/12-8/12
  • Nonstop
  • 3h 35m total
  • Calgary to Seattle
Search Deals
WestJet
  • WestJet
  • 24/11
  • Nonstop
  • 1h 55m total
  • Calgary to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to Seattle 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 629,999 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Fly from

Calgary

Fly to

Seattle

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/12

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 16/12

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 231

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 20/11

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 23/11

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 240

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 20/11

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 23/11

8:12 a.m.-10:50 a.m.

Nonstop1h 38m

C$ 242

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 18/11

7:00 p.m.-7:50 p.m.

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 24/11

8:12 a.m.-10:50 a.m.

Nonstop1h 38m

C$ 254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 17/11

7:00 p.m.-7:50 p.m.

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 24/11

8:12 a.m.-10:50 a.m.

Nonstop1h 38m

C$ 254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 25/11

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 2/12

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 22/11

11:40 a.m.-12:31 p.m.

Nonstop1h 51m

Seattle/Tacoma Intl

Sun 23/11

8:12 a.m.-10:50 a.m.

Nonstop1h 38m

C$ 254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 18/11

7:00 p.m.-7:50 p.m.

Nonstop1h 50m

Seattle/Tacoma Intl

Sun 23/11

8:12 a.m.-10:50 a.m.

Nonstop1h 38m

C$ 254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 21/11

7:50 a.m.-10:22 a.m.

1 stop3h 32m

Seattle/Tacoma Intl

Sun 7/12

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 270

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 17/1

7:50 a.m.-10:23 a.m.

1 stop3h 33m

Seattle/Tacoma Intl

Mon 19/1

11:55 a.m.-6:15 p.m.

1 stop5h 20m

C$ 272

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 24 results
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Best time to book a flight from Calgary to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Calgary with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Seattle

How far ahead should I book a flight from Calgary to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Seattle. Price data was last updated on 24 October 2025.

The best time to book flights from Calgary to Seattle is 56 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.

What is the cheapest month to book a flight from Calgary to Seattle?

Currently, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 151). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 260). 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.

What is the cheapest time of day to fly from YYC to SEA?

Find hourly flight availability from Calgary to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

It’s optimal to fly from Calgary to Seattle in the evening. By choosing this option you can save up to 78% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Calgary to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Seattle. Price data was last updated on 26 October 2025.

Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Calgary to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 29 October 2025.
Read through reviews of airlines operating flights from Calgary to Seattle, such as Alaska Airlines,Hawaiian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,206 reviews
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,794 reviews
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
9,001 reviews
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
WestJet
7.2
Good
3,148 reviews
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Air Canada
7.1
Good
10,371 reviews
Alaska Airlines
8.0
Very good
11,206 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Calgary to Seattle. 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 Calgary to Seattle?

    Booking a flight from Calgary (YYC) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Calgary to Seattle. On a typical day, there are 5 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 46m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Calgary to Seattle.

  • How popular is this Calgary to Seattle flight route?

    This flight path from Calgary to Seattle/Tacoma Intl was viewed by 2,936 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Calgary to Seattle?

    WestJet and Alaska Airlines can get you from Calgary to Seattle in just under 1h 50m. Your travel time will be generally consistent. Calgary and Seattle are separated by a distance of 726 km. Most flights are nonstop.

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

    According to our current data, United Airlines (C$ 182), WestJet (C$ 192), and Air Canada (C$ 245) offers the cheapest pricing from Calgary to Seattle. United Airlines is currently priced 44% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Calgary to Seattle consider choosing Singapore Airlines (97%), American Airlines (93%) or Emirates (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Calgary to Seattle?

    The cheapest flight price from Calgary to Seattle is C$ 98. On average you can expect to pay C$ 614. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 260.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Calgary to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 151). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 260). 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Fly from Calgary to Seattle on these airlines

Choose from the following airlines for your flight from Calgary to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 29 October 2025.
WestJet flights from Calgary to Seattle/Tacoma Intl
Air Canada flights from Calgary to Seattle/Tacoma Intl
Alaska Airlines flights from Calgary to Seattle/Tacoma Intl

Top 5 airlines flying from Calgary to Seattle

Discover the top 5 airlines that operate flights from Calgary to Seattle. 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 629,999 searches. Data last updated 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 182AverageC$ 290FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 192AverageC$ 288FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 245AverageC$ 298FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 248AverageC$ 402FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 273AverageC$ 409FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Calgary to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Calgary to Seattle.

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

Yes, we can. To see specific flights from Calgary to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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