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Cheap flights from Calgary to Seattle from £106

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in November or July, booked 67 days in advance, depart on a Wednesday or Tuesday 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 23 March 2026.

Wed 6/515:50
YYC
-
SEA
2 stops7h 50m
Air Canada
Wed 13/505:50
SEA
-
YYC
2 stops8h 12m
Air Canada
Deal found 22/3£173
Fri 19/617:50
YYC
-
SEA
Nonstop1h 55m
Delta
Wed 24/610:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 21/3£180
Wed 6/506:00
YYC
-
SEA
1 stop5h 05m
Multiple Airlines
Wed 13/508:03
SEA
-
YYC
Nonstop1h 38m
Multiple Airlines
Deal found 22/3£187
Fri 19/623:35
YYC
-
SEA
1 stop9h 00m
Delta
Thu 25/607:00
SEA
-
YYC
Nonstop1h 50m
Delta
Deal found 21/3£198
Fri 19/616:10
YYC
-
SEA
1 stop5h 38m
Delta
Sun 21/610:30
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 20/3£199
Fri 12/617:50
YYC
-
SEA
Nonstop1h 55m
Delta
Sun 14/619:35
SEA
-
YYC
Nonstop1h 40m
Delta
Deal found 22/3£199
Sat 2/513:27
YYC
-
SEA
2 stops11h 02m
United Airlines
Tue 5/505:00
SEA
-
YYC
1 stop6h 19m
United Airlines
Deal found 22/3£205
Sat 25/406:00
YYC
-
SEA
2 stops18h 27m
United Airlines
Sun 26/405:00
SEA
-
YYC
1 stop15h 48m
United Airlines
Deal found 20/3£208
Thu 16/415:22
YYC
-
SEA
1 stop9h 05m
United Airlines
Thu 23/405:00
SEA
-
YYC
1 stop7h 53m
United Airlines
Deal found 19/3£209
Fri 10/719:15
YYC
-
SEA
1 stop13h 45m
United Airlines
Mon 13/705:00
SEA
-
YYC
1 stop15h 48m
United Airlines
Deal found 22/3£214

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 23 March 2026.

Round-trip from

£173

One-way from

£106

Popular in

December

Cheapest in

November

Average price

£187

Good one-way deal

£215 or less
Air Canada
  • Air Canada
  • 6/5-13/5
  • 4 total stops
  • 16h 02m total
  • Calgary to Seattle
Search Deals
WestJet
  • WestJet
  • 20/5
  • Nonstop
  • 1h 55m total
  • Calgary to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
Search Deals

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 23 March 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

Sat 20/6

19:55-21:00

Nonstop2h 05m

Seattle/Tacoma Intl

Tue 23/6

10:30-13:10

Nonstop1h 40m

£180
Fastest return journey

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 21/6

17:50-18:45

Nonstop1h 55m

Seattle/Tacoma Intl

Fri 26/6

19:35-22:15

Nonstop1h 40m

£180

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 2/5

13:27-23:29

2 stops11h 02m

Seattle/Tacoma Intl

Tue 5/5

05:00-12:19

1 stop6h 19m

£205

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 17/5

13:00-18:40

1 stop6h 40m

Seattle/Tacoma Intl

Thu 11/6

10:30-13:10

Nonstop1h 40m

£225

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 16/5

17:00-21:05

1 stop5h 05m

Seattle/Tacoma Intl

Wed 20/5

10:30-13:10

Nonstop1h 40m

£246

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 22/4

16:05-20:50

1 stop5h 45m

Seattle/Tacoma Intl

Tue 23/6

07:00-09:50

Nonstop1h 50m

£251

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 6/6

08:45-09:40

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 7/6

19:35-00:44

1 stop4h 09m

£254

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 20/6

23:35-07:35

1 stop9h 00m

Seattle/Tacoma Intl

Mon 22/6

10:30-13:10

Nonstop1h 40m

£258

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/8

17:50-18:45

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 17/8

07:20-14:15

1 stop5h 55m

£304
Cheapest one-way

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 24/6

17:50-18:45

Nonstop1h 55m

£119

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Use this chart to determine the optimal time to book a return flight from Calgary to Seattle. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 67 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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of £77). Flying from Calgary to Seattle in December 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 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 23 March 2026.

It’s typically best to fly out from Calgary to Seattle in the morning. Doing so could potentially save you 75% on the flight price compared to flying at midday, which is usually more expensive.

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 23 March 2026.
Read through reviews of airlines operating flights from Calgary to Seattle, such as WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,300 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Crew

7.9

Overall

7.2

Entertainment

6.1

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying
WestJet
7.2
Good
3,300 reviews
WestJet
7.2
Good
3,300 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Crew

7.9

Overall

7.2

Entertainment

6.1

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

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 55m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Calgary to Seattle.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 11 times in the past calendar month.

  • How long is the flight from Calgary to Seattle?

    For as low as £180, Delta can have you in Seattle from Calgary in 2h 05m. The distance between Calgary and Seattle is about 451 mi. All flights are typically direct.

  • What is the cheapest airline to fly from Calgary to Seattle round-trip?

    Cheapflights users have booked flights from Calgary to Seattle round-trip from £115. This flight start at 36% lower than the current average price 3 months from now.

  • 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: Horizon Air (90%), Korean Air (90%), American Airlines (74%).

  • What are the cheapest flights from Calgary to Seattle?

    While on average a flight from Calgary to Seattle is generally £294, our data shows the cheapest flight currently is £161. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £187 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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of £77). Flying from Calgary to Seattle in December 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Calgary to Seattle

Discover the top airline 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 858,174 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£115Average£223FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Calgary today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Calgary to Seattle 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 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.

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

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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