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Cheap flights from Calgary to Seattle from $103

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 9/23. 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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0 bags

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Cheap round-trip flights

Air Canada Logo
6:15 am - 9:22 amYYC-SEA
4h 07m1 stop
Air Canada Logo
2:55 pm - 9:55 pmSEA-YYC
6h 00m1 stop
$165Air Canada
Find Deal
Sun, Sep 14 - Sun, Sep 21
Air Canada Logo
3:50 pm - 10:16 pmYYC-SEA
7h 26m2 stops
Air Canada Logo
5:30 am - 3:00 pmSEA-YYC
8h 30m2 stops
$168Air Canada
Find Deal
Fri, Sep 12 - Mon, Sep 15
WestJet Logo
6:10 pm - 7:14 pmYYC-SEA
2h 04mnonstop
WestJet Logo
1:15 pm - 6:40 pmSEA-YYC
4h 25m1 stop
$173WestJet
Find Deal
Tue, Sep 16 - Fri, Sep 19
Air Canada Logo
3:50 pm - 10:16 pmYYC-SEA
7h 26m2 stops
Air Canada Logo
2:55 pm - 9:55 pmSEA-YYC
6h 00m1 stop
$174Air Canada
Find Deal
Fri, Sep 12 - Mon, Sep 15
WestJet Logo
7:35 pm - 8:29 pmYYC-SEA
1h 54mnonstop
WestJet Logo
1:15 pm - 6:40 pmSEA-YYC
4h 25m1 stop
$176WestJet
Find Deal
Wed, Sep 3 - Sun, Sep 7
WestJet Logo
1:25 pm - 2:20 pmYYC-SEA
1h 55mnonstop
WestJet Logo
3:10 pm - 5:50 pmSEA-YYC
1h 40mnonstop
$177WestJet
Find Deal
Tue, Nov 4 - Thu, Nov 6
Alaska Airlines Logo
6:15 am - 7:15 amYYC-SEA
2h 00mnonstop
Alaska Airlines Logo
9:15 pm - 11:52 pmSEA-YYC
1h 37mnonstop
$192Alaska Airlines
Find Deal
Fri, Sep 12 - Mon, Sep 15
Logo
6:15 pm - 10:16 pmYYC-SEA
5h 01m1 stop
Logo
8:40 am - 11:30 amSEA-YYC
1h 50mnonstop
$216
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
7:00 pm - 7:52 pmYYC-SEA
1h 52mnonstop
Logo
8:40 am - 11:30 amSEA-YYC
1h 50mnonstop
$220
Find Deal
Thu, Oct 9 - Sun, Oct 12
Alaska Airlines Logo
7:00 pm - 7:52 pmYYC-SEA
1h 52mnonstop
Alaska Airlines Logo
9:15 pm - 11:52 pmSEA-YYC
1h 37mnonstop
$223Alaska Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14

WestJet flights from Calgary to Seattle

Our best WestJet deals on Calgary to Seattle flight tickets
WestJet
Sep 16
YYC6:10 pmCalgary
2h 04m
SEA7:14 pmSeattle/Tacoma Intl
Sep 19
SEA1:15 pmSeattle/Tacoma Intl
4h 25m
1 stop
YYC6:40 pmCalgary
$173
Find similar
WestJet
Sep 3
YYC7:35 pmCalgary
1h 54m
SEA8:29 pmSeattle/Tacoma Intl
Sep 7
SEA1:15 pmSeattle/Tacoma Intl
4h 25m
1 stop
YYC6:40 pmCalgary
$176
Find similar
WestJet
Nov 4
YYC1:25 pmCalgary
1h 55m
SEA2:20 pmSeattle/Tacoma Intl
Nov 6
SEA3:10 pmSeattle/Tacoma Intl
1h 40m
YYC5:50 pmCalgary
$177
Find similar

Air Canada flights from Calgary to Seattle

Our best Air Canada deals on Calgary to Seattle flight tickets
Air Canada
Sep 14
YYC6:15 amCalgary
4h 07m
1 stop
SEA9:22 amSeattle/Tacoma Intl
Sep 21
SEA2:55 pmSeattle/Tacoma Intl
6h 00m
1 stop
YYC9:55 pmCalgary
$165
Find similar
Air Canada
Sep 12
YYC3:50 pmCalgary
7h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Sep 15
SEA5:30 amSeattle/Tacoma Intl
8h 30m
2 stops
YYC3:00 pmCalgary
$168
Find similar
Air Canada
Sep 12
YYC3:50 pmCalgary
7h 26m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Sep 15
SEA2:55 pmSeattle/Tacoma Intl
6h 00m
1 stop
YYC9:55 pmCalgary
$174
Find similar

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 August 1, 2025.
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

Sun 9/14

6:15 am-9:22 am

1 stop4h 07m

Seattle/Tacoma Intl

Sun 9/21

2:55 pm-9:55 pm

1 stop6h 00m

$165

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/12

3:50 pm-10:16 pm

2 stops7h 26m

Seattle/Tacoma Intl

Mon 9/15

5:30 am-3:00 pm

2 stops8h 30m

$168

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 9/16

6:10 pm-7:14 pm

Nonstop2h 04m

Seattle/Tacoma Intl

Fri 9/19

1:15 pm-6:40 pm

1 stop4h 25m

$173

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/12

3:50 pm-10:16 pm

2 stops7h 26m

Seattle/Tacoma Intl

Mon 9/15

2:55 pm-9:55 pm

1 stop6h 00m

$174

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/3

7:35 pm-8:29 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Sun 9/7

1:15 pm-6:40 pm

1 stop4h 25m

$176

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 11/4

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 11/6

3:10 pm-5:50 pm

Nonstop1h 40m

$177

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/12

6:15 am-7:15 am

Nonstop2h 00m

Seattle/Tacoma Intl

Mon 9/15

9:15 pm-11:52 pm

Nonstop1h 37m

$192

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 9/14

6:15 pm-10:16 pm

1 stop5h 01m

Seattle/Tacoma Intl

Sun 9/21

8:40 am-11:30 am

Nonstop1h 50m

$216

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 10/9

7:00 pm-7:52 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 10/12

8:40 am-11:30 am

Nonstop1h 50m

$220

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/12

7:00 pm-7:52 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 9/14

9:15 pm-11:52 pm

Nonstop1h 37m

$223

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, September 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 $187. If you don’t want to visit Seattle in September, then you should wait until March 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 $355. 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 $1,203.

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 $233 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $790. 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 $226 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 4% 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 August 2025, prices for Calgary to Seattle flights are approximately 31% 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

$103

Fastest flight time

1h 50m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Calgary in the past 72 hours is $103. The best round-trip flight deal from Calgary to Seattle found on momondo in the last 72 hours is $165.
The fastest flight from Calgary to Seattle takes 1h 50m
Direct flights go from Calgary to Seattle every day.
There is 1 airport near Seattle: 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 52m.

  • 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 $88Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
WestJetPriceFrom $123Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
DeltaPriceFrom $123Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Delta Flights From Calgary to Seattle

    Delta is one of the most popular airlines flying from Calgary to Seattle, operating 13 flights/week on average for this route. A good Delta flight deal for Calgary to Seattle starts from $123 round-trip, up to an average price of $283. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Calgary to Seattle

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Calgary to Seattle start from as low as $190 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $338. Alaska Airlines operates 6 flights to Seattle from Calgary in an average week. Users have rated it 8.0/10 across 10,000 reviews.

Traveling to a place near Seattle?

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

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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