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Cheap flights from Calgary to Seattle from £125

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
15 Aug — 22 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 Tuesday or Monday and return on a Tuesday

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 16 July 2026.

Fri 30/1015:22
YYC
-
SEA
1 stop10h 39m
Multiple Airlines
Tue 3/1108:40
SEA
-
YYC
2 stops9h 55m
Multiple Airlines
Deal found 12/7£194
Tue 25/806:00
YYC
-
SEA
1 stop5h 05m
Air Canada
Tue 1/905:50
SEA
-
YYC
1 stop6h 20m
Air Canada
Deal found 11/7£195
Fri 25/919:05
YYC
-
SEA
1 stop4h 42m
Air Canada
Sun 27/905:50
SEA
-
YYC
2 stops8h 12m
Air Canada
Deal found 14/7£203
Fri 2/1015:22
YYC
-
SEA
1 stop9h 04m
Multiple Airlines
Sun 4/1010:30
SEA
-
YYC
1 stop6h 39m
Multiple Airlines
Deal found 15/7£212
Tue 4/806:00
YYC
-
SEA
1 stop5h 05m
Air Canada
Mon 17/819:20
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 14/7£214
Fri 18/906:33
YYC
-
SEA
Nonstop1h 47m
Alaska Airlines
Sat 17/1008:05
SEA
-
YYC
Nonstop1h 38m
Alaska Airlines
Deal found 15/7£216
Wed 16/906:00
YYC
-
SEA
1 stop16h 15m
Multiple Airlines
Sat 19/905:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 11/7£219

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 16 July 2026.

Round-trip from

£194

One-way from

£125

Popular in

December

Cheapest in

November

Average price

£226

Good one-way deal

£120 or less
Air Canada
  • Air Canada
  • 30/10-3/11
  • 3 total stops
  • 20h 34m total
  • Calgary to Seattle
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United Airlines
  • United Airlines
  • 14/10
  • 1 total stop
  • 9h 04m total
  • Calgary to Seattle
Search Deals
High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in July 2026
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Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 16 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 return flight

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 25/8

06:00-10:05

1 stop5h 05m

Seattle/Tacoma Intl

Tue 1/9

05:50-13:10

1 stop6h 20m

£195

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 16/9

06:00-21:15

1 stop16h 15m

Seattle/Tacoma Intl

Sat 19/9

05:50-15:02

2 stops8h 12m

£219

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 1/9

13:41-18:29

1 stop5h 48m

Seattle/Tacoma Intl

Fri 4/9

05:50-15:02

2 stops8h 12m

£220

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 2/10

15:22-23:26

1 stop9h 04m

Seattle/Tacoma Intl

Sun 4/10

05:00-13:53

1 stop7h 53m

£222
Fastest return journey

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 2/10

17:50-18:45

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 6/10

13:40-19:00

1 stop4h 20m

£271

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 24/9

13:00-16:53

1 stop4h 53m

Seattle/Tacoma Intl

Sat 26/9

10:30-13:10

Nonstop1h 40m

£272

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 30/7

19:15-08:00

1 stop13h 45m

Seattle/Tacoma Intl

Mon 3/8

05:00-13:53

1 stop7h 53m

£297

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 24/9

15:22-23:26

1 stop9h 04m

Seattle/Tacoma Intl

Sat 26/9

05:50-15:02

2 stops8h 12m

£300

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/8

06:00-11:44

1 stop6h 44m

Seattle/Tacoma Intl

Sun 16/8

05:50-15:02

2 stops8h 12m

£305

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 16/9

23:35-07:35

1 stop9h 00m

Seattle/Tacoma Intl

Sun 11/10

10:30-13:10

Nonstop1h 40m

£314

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 23 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 return 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?

To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £146). Flying from Calgary to Seattle in December is currently the most expensive (average of £246). 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 16 July 2026.

It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 71% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Calgary to Seattle?

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.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 14 times in the past calendar month.

  • How long is the flight from Calgary to Seattle?

    For as low as £216, Air Canada can have you in Seattle from Calgary in 1h 47m. The distance between Calgary and Seattle is about 451 mi. This flight may include one or multiple stops.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Seattle on time: Japan Airlines (100%), American Airlines (94%), Emirates (89%).

  • What are the cheapest flights from Calgary to Seattle?

    While on average a flight from Calgary to Seattle is generally £159, our data shows the cheapest flight currently is £118. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £206 for that flight.

  • 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 holiday 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 £146). Flying from Calgary to Seattle in December is currently the most expensive (average of £246). 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
Tacoma
Federal Way
SeaTac

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

Certainly. Search results for flights to Seattle from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Calgary to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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