Which layover airport offers the lowest fares from Calgary to Seattle?

Flights via Kelowna (YLW) offer the lowest average round-trip price of C$ 189.

Which airline has the best punctuality record on Calgary to Seattle flights?

According to our data, Alaska Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Calgary to Seattle/Tacoma Intl?

WestJet, Air Canada, and Alaska Airlines are the most popular carriers operating from Calgary to Seattle/Tacoma Intl

Which airport is the most popular layover for flights between Calgary and Seattle?

Vancouver (YVR) was the most common stop: 95% of momondo users choosing one-stop flights on this route connected there.

What is the most punctual flight time for Calgary to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Which airlines fly to Seattle?

WestJet, Alaska Airlines and Air Canada are the top three most popular airlines that fly to Seattle from Calgary according to our data. WestJet is the first choice among our users, with 75% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How often are flights from Calgary to Seattle delayed?

Historically, on average around 17% of flights between Calgary and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Which layover airport has the shortest connection time from Calgary to Seattle?

Kelowna (YLW) has the shortest average layover time for this route: 0h 51m.

How many flights depart from Calgary to Seattle on average per day?

4 flights are operational daily from Calgary to Seattle as of January 2026. The most popular departure time for this route is 7:00p.m., with 55% of flights per day taking off in the evening.

Which layover airport has the shortest travel time from Calgary to Seattle?

Flights connecting via Kelowna (YLW) have the shortest average one-way travel time: 3h 00m.

How many flights depart from Calgary to Seattle on average per week?

The number of flights available between Calgary and Seattle is 31 per week as of January 2026. The most frequent departure day is Tue, with 19% of weekly flights leaving on this day.

When did momondo last update prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Calgary Airport to Seattle/Tacoma Intl Airport?

There are 6 operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport as of January 2026.

How old do you have to be to fly from Calgary Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Calgary Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 140 Cheap Flights from Calgary to Seattle in 2026

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 p.m. - 1:08 p.m.

YYC

SEA

1h 53mdirect

2:05 p.m. - 4:45 p.m.

SEA

YYC

1h 40mdirect

C$ 230WestJet

Fri, 22 May - Sat, 6 Jun

1:25 p.m. - 2:19 p.m.

YYC

SEA

1h 54mdirect

11:55 a.m. - 5:15 p.m.

SEA

YYC

4h 20m

1 stop

C$ 252WestJet

Tue, 17 Mar - Mon, 23 Mar

3:00 p.m. - 7:18 p.m.

YYC

SEA

5h 18m

1 stop

3:00 p.m. - 9:51 p.m.

SEA

YYC

5h 51m

1 stop

C$ 253Air Canada

Wed, 29 Apr - Wed, 13 May

7:50 a.m. - 10:25 a.m.

YYC

SEA

3h 35m

1 stop

11:55 a.m. - 6:18 p.m.

SEA

YYC

5h 23m

1 stop

C$ 257WestJet

Mon, 2 Mar - Fri, 6 Mar

1:25 p.m. - 2:19 p.m.

YYC

SEA

1h 54mdirect

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

SEA

YYC

1h 40mdirect

C$ 260WestJet

Tue, 14 Apr - Wed, 15 Apr

1:50 p.m. - 10:10 p.m.

YYC

SEA

9h 20m

2 stops

3:00 p.m. - 9:51 p.m.

SEA

YYC

5h 51m

1 stop

C$ 262Air Canada

Wed, 29 Apr - Wed, 13 May

6:00 a.m. - 9:15 a.m.

YYC

SEA

4h 15m

1 stop

3:40 p.m. - 10:43 p.m.

SEA

YYC

6h 03m

1 stop

C$ 263Air Canada

Fri, 27 Feb - Wed, 15 Apr

6:25 a.m. - 9:33 a.m.

YYC

SEA

4h 08m

1 stop

7:20 p.m. - 1:41 a.m.

SEA

YYC

5h 21m

1 stop

C$ 266Air Canada

Wed, 29 Apr - Wed, 13 May

1:25 p.m. - 2:19 p.m.

YYC

SEA

1h 54mdirect

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

SEA

YYC

1h 40mdirect

C$ 268WestJet

Tue, 17 Mar - Mon, 23 Mar

1:25 p.m. - 2:19 p.m.

YYC

SEA

1h 54mdirect

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

SEA

YYC

1h 40mdirect

C$ 270WestJet

Thu, 12 Mar - Mon, 16 Mar

WestJet flights from Calgary to Seattle

Our best WestJet deals on Calgary to Seattle flight tickets

WestJet

22 May

YYC12:15 p.m.Calgary

1h 53m

SEA1:08 p.m.Seattle/Tacoma Intl

6 Jun

SEA2:05 p.m.Seattle/Tacoma Intl

1h 40m

YYC4:45 p.m.Calgary

C$ 230

WestJet

17 Mar

YYC1:25 p.m.Calgary

1h 54m

SEA2:19 p.m.Seattle/Tacoma Intl

23 Mar

SEA11:55 a.m.Seattle/Tacoma Intl

4h 20m

1 stop

YYC5:15 p.m.Calgary

C$ 252

WestJet

2 Mar

YYC7:50 a.m.Calgary

3h 35m

1 stop

SEA10:25 a.m.Seattle/Tacoma Intl

6 Mar

SEA11:55 a.m.Seattle/Tacoma Intl

5h 23m

1 stop

YYC6:18 p.m.Calgary

C$ 257

Air Canada flights from Calgary to Seattle

Our best Air Canada deals on Calgary to Seattle flight tickets

Air Canada

29 Apr

YYC3:00 p.m.Calgary

5h 18m

1 stop

SEA7:18 p.m.Seattle/Tacoma Intl

13 May

SEA3:00 p.m.Seattle/Tacoma Intl

5h 51m

1 stop

YYC9:51 p.m.Calgary

C$ 253

Air Canada

29 Apr

YYC1:50 p.m.Calgary

9h 20m

2 stops

SEA10:10 p.m.Seattle/Tacoma Intl

13 May

SEA3:00 p.m.Seattle/Tacoma Intl

5h 51m

1 stop

YYC9:51 p.m.Calgary

C$ 262

Air Canada

27 Feb

YYC6:00 a.m.Calgary

4h 15m

1 stop

SEA9:15 a.m.Seattle/Tacoma Intl

15 Apr

SEA3:40 p.m.Seattle/Tacoma Intl

6h 03m

1 stop

YYC10:43 p.m.Calgary

C$ 263

Fly from

Fly to

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 22/5

12:15 p.m.-1:08 p.m.

Nonstop1h 53m

Seattle/Tacoma Intl

Sat 6/6

2:05 p.m.-4:45 p.m.

Nonstop1h 40m

C$ 230

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 17/3

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 23/3

11:55 a.m.-5:15 p.m.

1 stop4h 20m

C$ 252

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 29/4

3:00 p.m.-7:18 p.m.

1 stop5h 18m

Seattle/Tacoma Intl

Wed 13/5

3:00 p.m.-9:51 p.m.

1 stop5h 51m

C$ 253

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 2/3

7:50 a.m.-10:25 a.m.

1 stop3h 35m

Seattle/Tacoma Intl

Fri 6/3

11:55 a.m.-6:18 p.m.

1 stop5h 23m

C$ 257

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 14/4

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Wed 15/4

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

Nonstop1h 40m

C$ 260

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 29/4

1:50 p.m.-10:10 p.m.

2 stops9h 20m

Seattle/Tacoma Intl

Wed 13/5

3:00 p.m.-9:51 p.m.

1 stop5h 51m

C$ 262

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 27/2

6:00 a.m.-9:15 a.m.

1 stop4h 15m

Seattle/Tacoma Intl

Wed 15/4

3:40 p.m.-10:43 p.m.

1 stop6h 03m

C$ 263

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 29/4

6:25 a.m.-9:33 a.m.

1 stop4h 08m

Seattle/Tacoma Intl

Wed 13/5

7:20 p.m.-1:41 a.m.

1 stop5h 21m

C$ 266

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 17/3

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 23/3

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

Nonstop1h 40m

C$ 268

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 12/3

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 16/3

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

Nonstop1h 40m

C$ 270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Calgary to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 270.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 509. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 1,791. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Calgary to Seattle during this time can be as low as C$ 391. Flights at noon are often more expensive with an average ticket price of C$ 1,827.

What is the cheapest Calgary to Seattle/Tacoma Intl flight route?

Fly from Calgary to Seattle/Tacoma Intl for the best Calgary - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Calgary for as low as C$ 234 on momondo.

What cabin class options are available on Calgary to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Calgary to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Calgary to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Calgary to Seattle flight.

How have Calgary to Seattle flight prices changed over time?

As of January 2026, prices for Calgary to Seattle flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Calgary to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Calgary to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Calgary to Seattle (YYC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Seattle

Best price found	C$ 418
Fastest flight time	1h 49m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Calgary in the past 72 hours is C$ 418. The best round-trip flight deal from Calgary to Seattle found on momondo in the last 72 hours is C$ 890.

The fastest flight from Calgary to Seattle takes 1h 49m

Direct flights go from Calgary to Seattle every day.

There is 1 airport in Seattle. From Calgary there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Calgary to Seattle/Tacoma Intl by plane?
Calgary and Seattle/Tacoma Intl are 709.5 km apart from one another. A reasonable flight in good conditions will take 1h 49m.
When did momondo last update prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
There are 6 operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport as of January 2026.
How old do you have to be to fly from Calgary Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Calgary Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to Seattle is Boeing 737-700 Passenger/BBJ1 (winglets) (36.54% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (20.04%), Boeing 737 MAX 8 (14.73%), and Embraer 170 (10.02%).
What is the most popular airline from Calgary to Seattle?
momondo data reveals that the most frequently booked airline on the route from Calgary to Seattle is WestJet, representing 74% of all bookings. The subsequent popular airlines are Alaska Airlines at 14%, Air Canada at 10%, and Delta at 1%.

Best airlines flying from Calgary to Seattle

Compare and see reviews for airlines that fly from Calgary to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 157	Free Cancellation	Rating 7.1 10,666 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 167	Free Cancellation	Rating 7.4 9,209 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 187	Free Cancellation	Rating 7.2 3,252 reviews	Search WestJet flights
Delta	PriceFrom C$ 200	Free Cancellation	Rating 7.9 8,125 reviews	Search Delta flights
Alaska Airlines	PriceFrom C$ 240	Free Cancellation	Rating 8.0 11,799 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom C$ 268	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights

Alaska Airlines Flights From Calgary to Seattle
The lowest priced Alaska Airlines flight from Calgary to Seattle from the last 72 hours was C$ 240. Generally, Alaska Airlines has 7 flights on this route every week with an average price of C$ 393. Alaska Airlines is rated 8.0/10 by our users.
Delta Flights From Calgary to Seattle
C$ 200 is the best Delta flight deal from Calgary to Seattle found on momondo over the last 72 hours. The average Delta ticket price found was closer to C$ 336, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,118 user reviews) flies into Seattle from Calgary 7 times in an average week so prices can vary.

Lynnwood

Leavenworth

Tacoma

Marysville

SeaTac

Redmond

Kirkland

Tukwila

Olympia

Ocean Shores

Bainbridge Island

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Puyallup

Kent

Edmonds

Why use momondo?

Why should I use momondo to find a flight deal from Calgary to Seattle?

Finding the right flight to Seattle from Calgary is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Calgary to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Calgary with this policy.

How can momondo help me find flights from Calgary to Seattle?

momondo helps you find the best flight between Calgary and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Calgary to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Calgary to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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Cheap flights from Calgary to Seattle from C$ 140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to Seattle departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Calgary to Seattle

Our best WestJet deals on Calgary to Seattle flight tickets

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Our best Air Canada deals on Calgary to Seattle flight tickets

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Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

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How to get the cheapest flight ticket from Calgary to Seattle

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 270.

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Calgary to Seattle during this time can be as low as C$ 391. Flights at noon are often more expensive with an average ticket price of C$ 1,827.

What is the cheapest Calgary to Seattle/Tacoma Intl flight route?

Fly from Calgary to Seattle/Tacoma Intl for the best Calgary - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Calgary to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Calgary to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Calgary to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Calgary to Seattle flight.

How have Calgary to Seattle flight prices changed over time?

As of January 2026, prices for Calgary to Seattle flights are approximately 35% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Calgary to Seattle/Tacoma Intl?

WestJet, Air Canada, and Alaska Airlines are the most popular carriers operating from Calgary to Seattle/Tacoma Intl

Which airlines fly to Seattle?

How often are flights from Calgary to Seattle delayed?

Historically, on average around 17% of flights between Calgary and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the most punctual flight time for Calgary to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Calgary to Seattle flights?

According to our data, Alaska Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Calgary and Seattle?

Vancouver (YVR) was the most common stop: 95% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Calgary to Seattle?

Flights via Kelowna (YLW) offer the lowest average round-trip price of C$ 189.

Which layover airport has the shortest travel time from Calgary to Seattle?

Flights connecting via Kelowna (YLW) have the shortest average one-way travel time: 3h 00m.

Which layover airport has the shortest connection time from Calgary to Seattle?

Kelowna (YLW) has the shortest average layover time for this route: 0h 51m.

How many flights depart from Calgary to Seattle on average per day?

4 flights are operational daily from Calgary to Seattle as of January 2026. The most popular departure time for this route is 7:00p.m., with 55% of flights per day taking off in the evening.

How many flights depart from Calgary to Seattle on average per week?

The number of flights available between Calgary and Seattle is 31 per week as of January 2026. The most frequent departure day is Tue, with 19% of weekly flights leaving on this day.

When to book flights from Calgary to Seattle

Cheap Calgary to Seattle (YYC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Seattle

Best price found

Fastest flight time

Direct flights

Airports in Seattle

How far is Calgary to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Calgary Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Calgary Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Calgary to Seattle?

What is the most popular airline from Calgary to Seattle?

Best airlines flying from Calgary to Seattle

Compare and see reviews for airlines that fly from Calgary to Seattle with momondo

Alaska Airlines Flights From Calgary to Seattle

Delta Flights From Calgary to Seattle

Travelling to a place near Seattle?

Why use momondo?