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Cheap flights from Canada to Seattle from C$ 109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Canada to Seattle departing on 3/11. 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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Find the cheapest flights from Canada to Seattle

Recent round-trip flight deals from Canada to Seattle

Air Canada Logo
3:50 p.m. - 10:31 p.m.YYC-SEA
7h 41m2 stops
Air Canada Logo
5:30 a.m. - 3:00 p.m.SEA-YYC
8h 30m2 stops
C$ 188Air Canada
Find Deal
Sat, 18 Oct - Sun, 19 Oct
WestJet Logo
4:00 p.m. - 7:21 p.m.YEG-SEA
4h 21m1 stop
WestJet Logo
8:40 a.m. - 2:57 p.m.SEA-YEG
5h 17m1 stop
C$ 188WestJet
Find Deal
Tue, 21 Oct - Thu, 23 Oct
WestJet Logo
7:00 a.m. - 12:59 p.m.YVR-SEA
5h 59m1 stop
WestJet Logo
1:50 p.m. - 6:36 p.m.SEA-YVR
4h 46m1 stop
C$ 190WestJet
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Air Canada Logo
6:00 p.m. - 10:31 p.m.YYC-SEA
5h 31m1 stop
Air Canada Logo
2:55 p.m. - 9:52 p.m.SEA-YYC
5h 57m1 stop
C$ 193Air Canada
Find Deal
Sat, 18 Oct - Sun, 19 Oct
Alaska Airlines Logo
2:46 p.m. - 4:03 p.m.YLW-SEA
1h 17mdirect
Alaska Airlines Logo
12:37 p.m. - 1:56 p.m.SEA-YLW
1h 19mdirect
C$ 209Alaska Airlines
Find Deal
Thu, 16 Oct - Mon, 20 Oct
Alaska Airlines Logo
6:00 a.m. - 7:16 a.m.YVR-SEA
1h 16mdirect
Alaska Airlines Logo
11:39 a.m. - 12:48 p.m.SEA-YVR
1h 09mdirect
C$ 212Alaska Airlines
Find Deal
Wed, 1 Oct - Mon, 6 Oct
United Airlines Logo
3:17 p.m. - 9:34 p.m.YEG-SEA
7h 17m1 stop
United Airlines Logo
8:42 a.m. - 10:04 p.m.SEA-YEG
12h 22m2 stops
C$ 226United Airlines
Find Deal
Sun, 5 Oct - Tue, 7 Oct
United Airlines Logo
6:00 a.m. - 1:42 p.m.YEG-SEA
8h 42m1 stop
United Airlines Logo
12:43 p.m. - 10:04 p.m.SEA-YEG
8h 21m1 stop
C$ 227United Airlines
Find Deal
Wed, 1 Oct - Fri, 3 Oct
Delta Logo
6:00 a.m. - 2:35 p.m.YUL-SEA
11h 35m1 stop
Delta Logo
6:00 a.m. - 3:49 p.m.SEA-YUL
6h 49m1 stop
C$ 473Delta
Find Deal
Sat, 11 Oct - Thu, 30 Oct
Delta Logo
12:55 p.m. - 10:03 p.m.YUL-SEA
12h 08m1 stop
Delta Logo
11:15 p.m. - 12:02 p.m.SEA-YUL
9h 47m1 stop
C$ 492Delta
Find Deal
Tue, 14 Oct - Tue, 21 Oct

Air Canada flights from Canada to Seattle

Our best Air Canada deals on Canada to Seattle flight tickets
Air Canada
18 Oct
YYC3:50 p.m.Calgary
7h 41m
2 stops
SEA10:31 p.m.Seattle/Tacoma Intl
19 Oct
SEA5:30 a.m.Seattle/Tacoma Intl
8h 30m
2 stops
YYC3:00 p.m.Calgary
C$ 188
Find similar
Air Canada
18 Oct
YYC6:00 p.m.Calgary
5h 31m
1 stop
SEA10:31 p.m.Seattle/Tacoma Intl
19 Oct
SEA2:55 p.m.Seattle/Tacoma Intl
5h 57m
1 stop
YYC9:52 p.m.Calgary
C$ 193
Find similar
Air Canada
18 Oct
YYC3:50 p.m.Calgary
7h 41m
2 stops
SEA10:31 p.m.Seattle/Tacoma Intl
19 Oct
SEA2:55 p.m.Seattle/Tacoma Intl
5h 57m
1 stop
YYC9:52 p.m.Calgary
C$ 195
Find similar

United Airlines flights from Canada to Seattle

Our best United Airlines deals on Canada to Seattle flight tickets
United Airlines
5 Oct
YEG3:17 p.m.Edmonton
7h 17m
1 stop
SEA9:34 p.m.Seattle/Tacoma Intl
7 Oct
SEA8:42 a.m.Seattle/Tacoma Intl
12h 22m
2 stops
YEG10:04 p.m.Edmonton
C$ 226
Find similar
United Airlines
1 Oct
YEG6:00 a.m.Edmonton
8h 42m
1 stop
SEA1:42 p.m.Seattle/Tacoma Intl
3 Oct
SEA12:43 p.m.Seattle/Tacoma Intl
8h 21m
1 stop
YEG10:04 p.m.Edmonton
C$ 227
Find similar
United Airlines
4 Oct
YYC3:49 p.m.Calgary
6h 26m
1 stop
SEA9:15 p.m.Seattle/Tacoma Intl
11 Oct
SEA7:37 p.m.Seattle/Tacoma Intl
15h 42m
1 stop
YYC12:19 p.m.Calgary
C$ 246
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Canada 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 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Canada to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 18/10

3:50 p.m.-10:31 p.m.

2 stops7h 41m

Seattle/Tacoma Intl

Sun 19/10

5:30 a.m.-3:00 p.m.

2 stops8h 30m

C$ 188

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 21/10

4:00 p.m.-7:21 p.m.

1 stop4h 21m

Seattle/Tacoma Intl

Thu 23/10

8:40 a.m.-2:57 p.m.

1 stop5h 17m

C$ 188

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Wed 15/10

7:00 a.m.-12:59 p.m.

1 stop5h 59m

Seattle/Tacoma Intl

Wed 22/10

1:50 p.m.-6:36 p.m.

1 stop4h 46m

C$ 190

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 18/10

6:00 p.m.-10:31 p.m.

1 stop5h 31m

Seattle/Tacoma Intl

Sun 19/10

2:55 p.m.-9:52 p.m.

1 stop5h 57m

C$ 193

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Thu 16/10

2:46 p.m.-4:03 p.m.

Nonstop1h 17m

Seattle/Tacoma Intl

Mon 20/10

12:37 p.m.-1:56 p.m.

Nonstop1h 19m

C$ 209

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Wed 1/10

6:00 a.m.-7:16 a.m.

Nonstop1h 16m

Seattle/Tacoma Intl

Mon 6/10

11:39 a.m.-12:48 p.m.

Nonstop1h 09m

C$ 212

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sun 5/10

3:17 p.m.-9:34 p.m.

1 stop7h 17m

Seattle/Tacoma Intl

Tue 7/10

8:42 a.m.-10:04 p.m.

2 stops12h 22m

C$ 226

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Wed 1/10

6:00 a.m.-1:42 p.m.

1 stop8h 42m

Seattle/Tacoma Intl

Fri 3/10

12:43 p.m.-10:04 p.m.

1 stop8h 21m

C$ 227

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

6:00 a.m.-2:35 p.m.

1 stop11h 35m

Seattle/Tacoma Intl

Thu 30/10

6:00 a.m.-3:49 p.m.

1 stop6h 49m

C$ 473

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

12:55 p.m.-10:03 p.m.

1 stop12h 08m

Seattle/Tacoma Intl

Tue 21/10

11:15 p.m.-12:02 p.m.

1 stop9h 47m

C$ 492

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 Canada 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?

If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 366.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 558. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 749. 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 Canada to Seattle during this time can be as low as C$ 443. Flights in the morning are often more expensive with an average ticket price of C$ 847.

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

Fly from Calgary to Seattle/Tacoma Intl for the best Canada - 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 Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Canada for as low as C$ 421 on momondo.

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

There are 4 cabin classes available to choose from on Canada 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 Canada to Seattle flights?

No. A direct flight is the cheapest option for a flight between Canada to Seattle.

Cheap Canada to Seattle flight deals and tips

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

Best price found

C$ 313

Fastest flight time

0h 51m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Canada in the past 72 hours is C$ 313. The best round-trip flight deal from Canada to Seattle found on momondo in the last 72 hours is C$ 219.
The fastest flight from Canada to Seattle takes 0h 51m
Direct flights go from Canada to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    Prices for flights from Canada to Seattle/Tacoma Intl Airport refresh daily.

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

  • How old do you have to be to fly from Canada 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 Canada 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 Canada to Seattle?

Best airlines flying from Canada to Seattle

Compare and see reviews for airlines that fly from Canada to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 158Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom C$ 179Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
WestJetPriceFrom C$ 188Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 212Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom C$ 217Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom C$ 269Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
Harbour Air SeaplanesPriceFrom C$ 304Free CancellationRating
9.2
10 reviews
Search Harbour Air Seaplanes flights
American AirlinesPriceFrom C$ 527Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Redmond
Olympia
Ocean Shores
Shoreline
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Poulsbo
Federal Way
Puyallup
Kent
Shelton

Why use momondo?

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

Finding the right flight to Seattle from Canada 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 Canada to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Canada to Seattle flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Canada 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 Canada to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Canada and alert you when they 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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