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Cheap flights from Seattle to Calgary from £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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
10 Jan — 17 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Calgary

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Calgary
Explore the most affordable flight options available from Seattle to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 December 2025.

Thu 11/1205:00SEA - YYC
1 stop8h 21mUnited Airlines
Sat 13/1215:30YYC - SEA
1 stop6h 30mUnited Airlines
Deal found 9/12£221
Fri 12/1205:00SEA - YYC
1 stop15h 53mUnited Airlines
Sun 14/1206:15YYC - SEA
2 stops18h 00mUnited Airlines
Deal found 8/12£224
Mon 29/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£239
Sun 28/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Fri 9/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£247
Wed 31/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Wed 7/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£260
Sun 28/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£266
Sun 28/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Thu 8/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£287
Fri 26/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Sat 10/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£370
Fri 26/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Wed 7/119:00YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 9/12£391
Tue 30/1219:45SEA - YYC
1 stop3h 59mDelta
Fri 9/110:05YYC - SEA
2 stops13h 19mDelta
Deal found 9/12£436
Thu 25/1208:05SEA - YYC
Nonstop1h 36mAlaska Airlines
Mon 29/1211:31YYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 10/12£458

Find flight deals from Seattle to Calgary

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Calgary (YYC). 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 11 December 2025.

Round-trip from

£152

One-way from

£66

Popular in

December

Cheapest in

March

Average price

£290
Alaska Airlines
  • Alaska Airlines
  • 23/1-30/1
  • Nonstop
  • 3h 32m total
  • Seattle to Calgary
Search Deals
Air Canada
  • Air Canada
  • 21/5
  • 2 total stops
  • 7h 36m total
  • Seattle to Calgary
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Calgary 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 11 December 2025.
Use the filters below to find and compare flights from Seattle to Calgary that are best for you.

Fly from

Seattle

Fly to

Calgary

Route

Depart

Return

Price

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 20/1

12:25-21:53

1 stop8h 28m

Calgary

Fri 23/1

15:30-21:12

1 stop6h 42m

£158

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 21/1

05:00-14:21

1 stop8h 21m

Calgary

Mon 26/1

15:30-21:12

1 stop6h 42m

£158

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 23/1

19:30-12:26

1 stop15h 56m

Calgary

Fri 30/1

15:30-21:12

1 stop6h 42m

£174

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 6/1

08:05-10:41

Nonstop1h 36m

Calgary

Wed 14/1

19:00-19:52

Nonstop1h 52m

£179

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 18/4

05:00-21:48

1 stop15h 48m

Calgary

Wed 22/4

13:27-22:54

1 stop10h 27m

£182

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 3/3

15:30-18:10

Nonstop1h 40m

Calgary

Sat 7/3

19:00-19:57

Nonstop1h 57m

£230

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 1/1

08:05-10:41

Nonstop1h 36m

Calgary

Wed 7/1

19:00-19:52

Nonstop1h 52m

£239

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 31/12

08:05-10:41

Nonstop1h 36m

Calgary

Sat 10/1

19:00-19:52

Nonstop1h 52m

£239

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 29/12

08:05-10:41

Nonstop1h 36m

Calgary

Sat 10/1

19:00-19:52

Nonstop1h 52m

£239

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 28/12

08:05-10:41

Nonstop1h 36m

Calgary

Wed 7/1

19:00-19:52

Nonstop1h 52m

£287

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 20 results
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Best time to book a flight from Seattle to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary from Seattle 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 Seattle to Calgary

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

Use this chart to determine the optimal time to book a return flight from Seattle to Calgary. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Calgary, you should look to book at least 70 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 Seattle to Calgary?

Currently, March is the cheapest month in which you can book a flight from Seattle to Calgary (average of £75). Flying from Seattle to Calgary in January is currently the most expensive (average of £120). 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 SEA to YYC?

Find hourly flight availability from Seattle to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 December 2025.

It’s optimal to fly from Seattle to Calgary at midday. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

    Flights from Seattle/Tacoma Intl to Calgary have been viewed 6 times in the past calendar month.

  • How long is the flight from Seattle to Calgary?

    For as low as £179, United Airlines can have you in Calgary from Seattle in 1h 36m. The distance between Seattle and Calgary is about 451 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Before booking your flight to Calgary from Seattle, check out the most reliable airlines to get you to your destination on time: WestJet (78%), Qantas Airways (74%), WestJet Encore( 72%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Calgary 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 Seattle to Calgary?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Calgary (average of £75). Flying from Seattle to Calgary in January is currently the most expensive (average of £120). 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Canmore

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Deals for Seattle to Calgary flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Seattle to Calgary by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Calgary flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Seattle to Calgary 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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