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Cheap flights from Calgary to Seattle from C$ 233

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
16 Aug — 23 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in November or January, booked 57 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap 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 17 July 2026.

Sun 8/117:00 a.m.
YYC
-
SEA
1 stop3h 27m
Air Canada
Mon 16/113:15 p.m.
SEA
-
YYC
1 stop7h 19m
Air Canada
Deal found 17/7C$ 350
Wed 26/83:50 p.m.
YYC
-
SEA
2 stops7h 52m
Air Canada
Wed 2/95:50 a.m.
SEA
-
YYC
2 stops8h 12m
Air Canada
Deal found 12/7C$ 355
Sun 16/82:05 p.m.
YYC
-
SEA
1 stop5h 27m
Air Canada
Thu 20/87:20 p.m.
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 12/7C$ 359
Sun 13/98:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Tue 13/107:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 15/7C$ 366
Sat 12/95:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 15/107:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 15/7C$ 371
Fri 2/105:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 4/107:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 15/7C$ 375
Thu 3/97:55 p.m.
YYC
-
SEA
Nonstop2h 05m
WestJet
Sun 6/910:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 17/7C$ 376

Find 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 17 July 2026.

Round-trip from

C$ 350

One-way from

C$ 233

Popular in

December

Cheapest in

November

Average price

C$ 427

Good round-trip deal

C$ 623 or less

Good one-way deal

C$ 419 or less
Air Canada
  • Air Canada
  • 8/11-16/11
  • 2 total stops
  • 10h 46m total
  • Calgary to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 13/8
  • Nonstop
  • 1h 50m total
  • Calgary to Seattle
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 17 July 2026.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 26/8

3:05 p.m.-6:32 p.m.

1 stop4h 27m

Seattle/Tacoma Intl

Wed 2/9

5:50 a.m.-2:10 p.m.

1 stop7h 20m

C$ 404

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 26/8

8:45 a.m.-9:40 a.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Wed 2/9

3:00 p.m.-10:00 p.m.

1 stop6h 00m

C$ 480
Quickest round-trip

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 2/10

5:50 p.m.-6:45 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 6/10

1:40 p.m.-7:00 p.m.

1 stop4h 20m

C$ 512

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 3/9

11:20 a.m.-2:22 p.m.

1 stop4h 02m

Seattle/Tacoma Intl

Mon 7/9

5:50 a.m.-3:02 p.m.

2 stops8h 12m

C$ 512

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 3/10

3:15 p.m.-8:50 p.m.

1 stop6h 35m

Seattle/Tacoma Intl

Tue 6/10

7:35 p.m.-10:15 p.m.

Nonstop1h 40m

C$ 517

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 31/7

7:15 p.m.-8:00 a.m.

1 stop13h 45m

Seattle/Tacoma Intl

Mon 10/8

5:50 a.m.-3:02 p.m.

2 stops8h 12m

C$ 566

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 31/7

7:15 p.m.-8:00 a.m.

1 stop13h 45m

Seattle/Tacoma Intl

Wed 5/8

5:50 a.m.-3:02 p.m.

2 stops8h 12m

C$ 577

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/8

6:00 a.m.-11:44 a.m.

1 stop6h 44m

Seattle/Tacoma Intl

Sun 16/8

5:50 a.m.-3:02 p.m.

2 stops8h 12m

C$ 577

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 3/9

4:10 p.m.-8:50 p.m.

1 stop5h 40m

Seattle/Tacoma Intl

Sun 6/9

7:00 a.m.-9:50 a.m.

Nonstop1h 50m

C$ 580

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 16/9

11:35 p.m.-7:35 a.m.

1 stop9h 00m

Seattle/Tacoma Intl

Sun 11/10

10:30 a.m.-1:10 p.m.

Nonstop1h 40m

C$ 594

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 275). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 465). 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 17 July 2026.

It’s optimal to fly from Calgary to Seattle in the afternoon. By choosing this option you can save up to 74% 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 11 July 2026.

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 17 July 2026.
Read through reviews of airlines operating flights from Calgary to Seattle, such as Alaska Airlines,Delta, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,663 reviews
Check prices

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.
Alaska Airlines
7.9
Good
12,663 reviews
Alaska Airlines
7.9
Good
12,663 reviews
Check prices

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.
Delta
7.8
Good
8,473 reviews
Alaska Airlines
7.9
Good
12,663 reviews
Check prices

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.
WestJet
7.2
Good
3,409 reviews
Alaska Airlines
7.9
Good
12,663 reviews
Check prices

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.
Air Canada
7.1
Good
11,347 reviews
Alaska Airlines
7.9
Good
12,663 reviews
Check prices

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

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 13 flights from Calgary to Seattle/Tacoma Intl, all of which are around 0h 55m for a nonstop flight. You can also purchase a plane ticket from 4 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 1,554 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?

    Air Canada, Alaska Airlines, and United Airlines can get you from Calgary to Seattle in just under 1h 47m. Your travel time can differ by up to 7h 17m. Calgary and Seattle are separated by a distance of 726 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Air Canada (C$ 155), WestJet (C$ 202), and Delta (C$ 224) offers the cheapest pricing from Calgary to Seattle. Air Canada is currently priced 58% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 108. Air Canada flights start at C$ 146 while deals on Alaska Airlines start at C$ 149 one-way.

  • 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 Japan Airlines (94%), Emirates (91%) or American Airlines (85%) 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$ 271. On average you can expect to pay C$ 3,087. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 368.

  • 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, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 275). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 465). 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
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Tukwila
Olympia
Marysville
Federal Way
Kirkland
Ellensburg

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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 17 July 2026.
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 4 airlines flying from Calgary to Seattle

Discover the top 4 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 17 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 155AverageC$ 345FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 202AverageC$ 350FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 224AverageC$ 432FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 261AverageC$ 478FlexibilityNo cancel feeOn-time75%
Search Alaska 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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