How often are flights from Calgary to Seattle delayed?

Historically, on average around 14% 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 111 minutes.

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

As of October 2025, there are 2 flights per day flying from Calgary to Seattle. The most common time of day flights depart is 7:00PM, with 56% of flights taking off in the evening.

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

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

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

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

What airlines fly to Seattle?

WestJet, Air Canada and Alaska Airlines 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 76% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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, Air Chathams have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of October 2025, there are 18 flights per week flying from Calgary to Seattle. The most common day of the week flights depart is Wed, with 39% of flights taking off 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?

The number of operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport is 3 as of October 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$100 Cheap Flights from Calgary to Seattle in 2025/26

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1:25 pm - 2:20 pmYYC-SEA

1h 55mnonstop

3:10 pm - 5:50 pmSEA-YYC

1h 40mnonstop

$156WestJet

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Fri, Dec 5 - Mon, Dec 8

7:50 am - 10:22 amYYC-SEA

3h 32m1 stop

3:10 pm - 5:50 pmSEA-YYC

1h 40mnonstop

$158WestJet

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Mon, Dec 22 - Thu, Jan 1

3:00 pm - 7:16 pmYYC-SEA

5h 16m1 stop

3:40 pm - 10:44 pmSEA-YYC

6h 04m1 stop

$163Air Canada

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Thu, Nov 20 - Sun, Nov 23

1:25 pm - 2:20 pmYYC-SEA

1h 55mnonstop

3:10 pm - 5:50 pmSEA-YYC

1h 40mnonstop

$165WestJet

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Thu, Dec 4 - Thu, Dec 11

1:25 pm - 2:20 pmYYC-SEA

1h 55mnonstop

3:10 pm - 5:50 pmSEA-YYC

1h 40mnonstop

$166WestJet

Find Deal

Thu, Dec 11 - Tue, Dec 16

6:00 am - 9:31 amYYC-SEA

4h 31m1 stop

8:12 am - 10:50 amSEA-YYC

1h 38mnonstop

$170Multiple Airlines

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Thu, Nov 20 - Sun, Nov 23

1:25 pm - 2:20 pmYYC-SEA

1h 55mnonstop

8:12 am - 10:50 amSEA-YYC

1h 38mnonstop

$172Multiple Airlines

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Thu, Nov 20 - Sun, Nov 23

1:10 pm - 10:06 pmYYC-SEA

9h 56m2 stops

3:40 pm - 10:44 pmSEA-YYC

6h 04m1 stop

$173Air Canada

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Thu, Nov 20 - Sun, Nov 23

7:00 pm - 7:50 pmYYC-SEA

1h 50mnonstop

8:12 am - 10:50 amSEA-YYC

1h 38mnonstop

$182Alaska Airlines

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Mon, Nov 17 - Mon, Nov 24

7:00 pm - 7:50 pmYYC-SEA

1h 50mnonstop

8:12 am - 10:50 amSEA-YYC

1h 38mnonstop

$198Alaska Airlines

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Mon, Nov 17 - Fri, Nov 21

Alaska Airlines flights from Calgary to Seattle

Our best Alaska Airlines deals on Calgary to Seattle flight tickets

Alaska Airlines

Nov 17

YYC7:00 pmCalgary

1h 50m

SEA7:50 pmSeattle/Tacoma Intl

Nov 24

SEA8:12 amSeattle/Tacoma Intl

1h 38m

YYC10:50 amCalgary

$182

Find similar

Alaska Airlines

Nov 17

YYC7:00 pmCalgary

1h 50m

SEA7:50 pmSeattle/Tacoma Intl

Nov 21

SEA8:12 amSeattle/Tacoma Intl

1h 38m

YYC10:50 amCalgary

$198

Find similar

Alaska Airlines

Nov 12

YYC7:00 pmCalgary

1h 50m

SEA7:50 pmSeattle/Tacoma Intl

Nov 13

SEA3:36 pmSeattle/Tacoma Intl

1h 34m

YYC6:10 pmCalgary

$335

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WestJet flights from Calgary to Seattle

Our best WestJet deals on Calgary to Seattle flight tickets

WestJet

Dec 5

YYC1:25 pmCalgary

1h 55m

SEA2:20 pmSeattle/Tacoma Intl

Dec 8

SEA3:10 pmSeattle/Tacoma Intl

1h 40m

YYC5:50 pmCalgary

$156

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WestJet

Dec 22

YYC7:50 amCalgary

3h 32m

1 stop

SEA10:22 amSeattle/Tacoma Intl

Jan 1

SEA3:10 pmSeattle/Tacoma Intl

1h 40m

YYC5:50 pmCalgary

$158

Find similar

WestJet

Dec 4

YYC1:25 pmCalgary

1h 55m

SEA2:20 pmSeattle/Tacoma Intl

Dec 11

SEA3:10 pmSeattle/Tacoma Intl

1h 40m

YYC5:50 pmCalgary

$165

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Fly from

Fly to

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 12/5

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 12/8

3:10 pm-5:50 pm

Nonstop1h 40m

$156

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 12/22

7:50 am-10:22 am

1 stop3h 32m

Seattle/Tacoma Intl

Thu 1/1

3:10 pm-5:50 pm

Nonstop1h 40m

$158

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

3:00 pm-7:16 pm

1 stop5h 16m

Seattle/Tacoma Intl

Sun 11/23

3:40 pm-10:44 pm

1 stop6h 04m

$163

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 12/4

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 12/11

3:10 pm-5:50 pm

Nonstop1h 40m

$165

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 12/11

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 12/16

3:10 pm-5:50 pm

Nonstop1h 40m

$166

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

6:00 am-9:31 am

1 stop4h 31m

Seattle/Tacoma Intl

Sun 11/23

8:12 am-10:50 am

Nonstop1h 38m

$170

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 11/23

8:12 am-10:50 am

Nonstop1h 38m

$172

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

1:10 pm-10:06 pm

2 stops9h 56m

Seattle/Tacoma Intl

Sun 11/23

3:40 pm-10:44 pm

1 stop6h 04m

$173

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 11/17

7:00 pm-7:50 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Mon 11/24

8:12 am-10:50 am

Nonstop1h 38m

$182

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 11/17

7:00 pm-7:50 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Fri 11/21

8:12 am-10:50 am

Nonstop1h 38m

$198

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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

Other information

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Calgary to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $195. If you don’t want to visit Seattle in March, then you should wait until July to fly from Calgary, when ticket prices are also cheap, with an average price of $195.

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

On average, the least expensive day to fly to Seattle from Calgary is on a Friday. momondo users have found tickets for Friday departures for as low as $385. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,305.

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

Flying to Seattle from Calgary in the evening is the least expensive time of day to depart. momondo users have found prices as low as $241 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,213. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $233 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 $164 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 1% 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 October 2025, prices for Calgary to Seattle flights are approximately 27% cheaper 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	$224
Fastest flight time	1h 46m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Calgary in the past 72 hours is $224. The best round-trip flight deal from Calgary to Seattle found on momondo in the last 72 hours is $249.

The fastest flight from Calgary to Seattle takes 1h 46m

Direct flights go from Calgary to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Calgary to Seattle/Tacoma Intl by plane?
A flight from Calgary to Seattle/Tacoma Intl will travel around 440.9 mi. In terms of flight time, this usually takes a little over 1h 50m.
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?
The number of operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport is 3 as of October 2025.
How old do you have to be to fly from Calgary Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?
momondo data reveals that the most frequently booked plane model on the route from Calgary to Seattle is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 24.15% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 21.78%, Boeing 737 MAX 8 at 20.85%, and Embraer 170 at 14.14%.
What is the most popular airline from Calgary to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Calgary to Seattle is WestJet (76% of total bookings). The next most popular airlines are Air Canada (13%) and Alaska Airlines (11%).

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 $77	Free Cancellation	Rating 7.1 10,377 reviews	Search Air Canada flights
WestJet	PriceFrom $131	Free Cancellation	Rating 7.2 3,149 reviews	Search WestJet flights
Alaska Airlines	PriceFrom $190	Free Cancellation	Rating 8.0 11,214 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Calgary to Seattle
Alaska Airlines is one of the most popular airlines flying from Calgary to Seattle, operating 2 flights/week on average for this route. A good Alaska Airlines flight deal for Calgary to Seattle starts from $190 round-trip, up to an average price of $343. Our users have rated Alaska Airlines at 8.0/10.
WestJet Flights From Calgary to Seattle
WestJet is also a popular choice for this route. WestJet flight deals for Calgary to Seattle start from as low as $131 round-trip, depending on your selected dates, with average WestJet deals seen on momondo around $225. WestJet operates 2 flights to Seattle from Calgary in an average week. Users have rated it 7.2/10 across 3,149 reviews.

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Renton

Olympia

Lynnwood

Kent

Puyallup

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Kirkland

Shoreline

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Calgary to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Calgary which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Calgary.

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

Yes momondo offers price alerts on flights to Seattle from Calgary. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Calgary to Seattle from $100

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 12/4. 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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Our best Alaska Airlines deals on Calgary to Seattle flight tickets

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Our best WestJet deals on Calgary to Seattle flight tickets

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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

What is the cheapest month to fly to Seattle?

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?

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 1% 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 October 2025, prices for Calgary to Seattle flights are approximately 27% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

How often are flights from Calgary to Seattle delayed?

Historically, on average around 14% 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 111 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights 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?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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, Air Chathams have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of October 2025, there are 2 flights per day flying from Calgary to Seattle. The most common time of day flights depart is 7:00PM, with 56% of flights taking off in the evening.

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

As of October 2025, there are 18 flights per week flying from Calgary to Seattle. The most common day of the week flights depart is Wed, with 39% of flights taking off 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

WestJet Flights From Calgary to Seattle

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States