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Cheap flights from Calgary to Seattle from $110

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 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Calgary to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
8:45 am - 9:40 am
YYC
-
SEA
1h 55mnonstop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$169WestJet
Wed, Apr 29 - Wed, May 13
WestJet Logo
7:50 am - 10:25 am
YYC
-
SEA
3h 35m
1 stop
WestJet Logo
7:35 pm - 10:15 pm
SEA
-
YYC
1h 40mnonstop
$182WestJet
Sat, Apr 18 - Mon, Apr 27
WestJet Logo
1:25 pm - 2:19 pm
YYC
-
SEA
1h 54mnonstop
WestJet Logo
11:55 am - 5:15 pm
SEA
-
YYC
4h 20m
1 stop
$184WestJet
Tue, Mar 17 - Mon, Mar 23
WestJet Logo
1:25 pm - 2:19 pm
YYC
-
SEA
1h 54mnonstop
WestJet Logo
3:10 pm - 5:50 pm
SEA
-
YYC
1h 40mnonstop
$190WestJet
Tue, Apr 14 - Wed, Apr 15
WestJet Logo
1:25 pm - 2:19 pm
YYC
-
SEA
1h 54mnonstop
WestJet Logo
11:55 am - 6:13 pm
SEA
-
YYC
5h 18m
1 stop
$191WestJet
Sun, Apr 12 - Mon, Apr 13
Air Canada Logo
6:25 am - 9:33 am
YYC
-
SEA
4h 08m
1 stop
Air Canada Logo
7:20 pm - 1:41 am
SEA
-
YYC
5h 21m
1 stop
$194Air Canada
Wed, Apr 29 - Wed, May 13
WestJet Logo
1:25 pm - 2:19 pm
YYC
-
SEA
1h 54mnonstop
WestJet Logo
3:10 pm - 5:50 pm
SEA
-
YYC
1h 40mnonstop
$196WestJet
Tue, Mar 17 - Mon, Mar 23
WestJet Logo
1:25 pm - 2:19 pm
YYC
-
SEA
1h 54mnonstop
WestJet Logo
11:55 am - 5:15 pm
SEA
-
YYC
4h 20m
1 stop
$197WestJet
Wed, Mar 18 - Mon, Mar 23
Air Canada Logo
6:00 am - 9:33 am
YYC
-
SEA
4h 33m
1 stop
Air Canada Logo
3:40 pm - 10:43 pm
SEA
-
YYC
6h 03m
1 stop
$198Air Canada
Fri, Apr 17 - Sun, Apr 26
Air Canada Logo
3:00 pm - 7:18 pm
YYC
-
SEA
5h 18m
1 stop
Air Canada Logo
3:40 pm - 10:43 pm
SEA
-
YYC
6h 03m
1 stop
$201Air Canada
Tue, Apr 14 - Wed, Apr 15

WestJet flights from Calgary to Seattle

Our best WestJet deals on Calgary to Seattle flight tickets
WestJet
Apr 29
YYC8:45 amCalgary
1h 55m
SEA9:40 amSeattle/Tacoma Intl
May 13
SEA7:35 pmSeattle/Tacoma Intl
1h 40m
YYC10:15 pmCalgary
$169
WestJet
Apr 18
YYC7:50 amCalgary
3h 35m
1 stop
SEA10:25 amSeattle/Tacoma Intl
Apr 27
SEA7:35 pmSeattle/Tacoma Intl
1h 40m
YYC10:15 pmCalgary
$182
WestJet
Mar 17
YYC1:25 pmCalgary
1h 54m
SEA2:19 pmSeattle/Tacoma Intl
Mar 23
SEA11:55 amSeattle/Tacoma Intl
4h 20m
1 stop
YYC5:15 pmCalgary
$184

Air Canada flights from Calgary to Seattle

Our best Air Canada deals on Calgary to Seattle flight tickets
Air Canada
Apr 29
YYC6:25 amCalgary
4h 08m
1 stop
SEA9:33 amSeattle/Tacoma Intl
May 13
SEA7:20 pmSeattle/Tacoma Intl
5h 21m
1 stop
YYC1:41 amCalgary
$194
Air Canada
Apr 17
YYC6:00 amCalgary
4h 33m
1 stop
SEA9:33 amSeattle/Tacoma Intl
Apr 26
SEA3:40 pmSeattle/Tacoma Intl
6h 03m
1 stop
YYC10:43 pmCalgary
$198
Air Canada
Apr 14
YYC3:00 pmCalgary
5h 18m
1 stop
SEA7:18 pmSeattle/Tacoma Intl
Apr 15
SEA3:40 pmSeattle/Tacoma Intl
6h 03m
1 stop
YYC10:43 pmCalgary
$201

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated January 29, 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

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 4/29

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Wed 5/13

7:35 pm-10:15 pm

Nonstop1h 40m

$169

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 4/18

7:50 am-10:25 am

1 stop3h 35m

Seattle/Tacoma Intl

Mon 4/27

7:35 pm-10:15 pm

Nonstop1h 40m

$182

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 3/17

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 3/23

11:55 am-5:15 pm

1 stop4h 20m

$184

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/14

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Wed 4/15

3:10 pm-5:50 pm

Nonstop1h 40m

$190

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 4/12

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 4/13

11:55 am-6:13 pm

1 stop5h 18m

$191

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 4/29

6:25 am-9:33 am

1 stop4h 08m

Seattle/Tacoma Intl

Wed 5/13

7:20 pm-1:41 am

1 stop5h 21m

$194

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 3/17

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 3/23

3:10 pm-5:50 pm

Nonstop1h 40m

$196

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 3/18

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 3/23

11:55 am-5:15 pm

1 stop4h 20m

$197

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 4/17

6:00 am-9:33 am

1 stop4h 33m

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-10:43 pm

1 stop6h 03m

$198

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/14

3:00 pm-7:18 pm

1 stop5h 18m

Seattle/Tacoma Intl

Wed 4/15

3:40 pm-10:43 pm

1 stop6h 03m

$201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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?

In general, July 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 $197. If you don’t want to visit Seattle in July, then you should wait until November to fly from Calgary, when ticket prices are also cheap, with an average price of $197.

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 $423. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,381.

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 $249 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,303. 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 $235 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 $171 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 11% 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 34% 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

$202

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 $202. The best round-trip flight deal from Calgary to Seattle found on momondo in the last 72 hours is $242.
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?

    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 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $56Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
WestJetPriceFrom $130Free CancellationRating
7.2
3,253 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $186Free CancellationRating
8.0
11,808 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 7 flights/week on average for this route. A good Alaska Airlines flight deal for Calgary to Seattle starts from $186 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 $130 round-trip, depending on your selected dates, with average WestJet deals seen on momondo around $233. WestJet operates 3 flights to Seattle from Calgary in an average week. Users have rated it 7.2/10 across 3,253 reviews.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

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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