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$124+ Cheap flights from Canada to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
cze 10 — cze 171
śr. 6/10
śr. 6/17
1 adult, Economy
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Cheap flight deals from Canada to Seattle

Cheapest flights from Canada to Seattle
Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Maj 11, 2026.

This Gotogate deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/192:30 pm
YVR
-
SEA
1 stop6h 30m
WestJet
śr. 6/247:35 pm
SEA
-
YVR
1 stop4h 40m
WestJet
Deal found 5/11$201
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 6/45:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
pon. 6/810:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/11$204
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 5/2812:45 pm
YVR
-
SEA
1 stop6h 00m
WestJet
pon. 6/110:30 am
SEA
-
YVR
1 stop5h 25m
WestJet
Deal found 5/11$218
This Cheapflightsfares deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 6/18:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
pon. 6/810:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/10$218
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 5/255:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
czw. 5/2810:30 am
SEA
-
YVR
1 stop5h 25m
WestJet
Deal found 5/11$220
This Air Canada deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/195:25 pm
YVR
-
SEA
Nonstop1h 07m
Air Canada
śr. 6/243:00 pm
SEA
-
YVR
Nonstop1h 06m
Air Canada
Deal found 5/11$221
This Super.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 6/177:55 pm
YYC
-
SEA
Nonstop2h 05m
WestJet
śr. 6/247:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/11$221
This Booking.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 10/108:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
sob. 10/107:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/11$222
This oojo deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 6/411:15 am
YVR
-
SEA
2 stops7h 30m
WestJet
pt. 6/510:30 am
SEA
-
YVR
1 stop5h 25m
WestJet
Deal found 5/11$224
This Trip.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 6/29:00 am
YVR
-
SEA
Nonstop1h 05m
Air Canada
śr. 6/37:20 pm
SEA
-
YVR
Nonstop1h 07m
Air Canada
Deal found 5/10$227
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 8/203:50 pm
YYZ
-
SEA
1 stop8h 10m
WestJet
wt. 8/257:00 am
SEA
-
YYZ
1 stop7h 10m
WestJet
Deal found 5/11$228
This SmartFares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 6/311:15 am
YVR
-
SEA
2 stops7h 30m
WestJet
pt. 6/510:30 am
SEA
-
YVR
1 stop5h 25m
WestJet
Deal found 5/11$229

Find flight deals from Canada to Seattle

Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated Maj 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(Mytrip)

One-way from

$124
(Gotogate)

Popular in

June

Cheapest in

February

Average price

$378

Good round-trip deal

$211 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Toronto (YTO)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Seattle/Tacoma Intl flights.
Search Deals
From Canada to Seattle/Tacoma Intl
Search Deals
One-way flight from Canada to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Canada to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Canada to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated Maj 11, 2026.
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

Cheapest round-trip

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

pon. 6/8

11:18 am-12:38 pm

Nonstop1h 20m

Seattle/Tacoma Intl

pon. 6/15

9:42 pm-10:58 pm

Nonstop1h 16m

$250

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

wt. 6/2

7:20 pm-1:13 am

1 stop5h 53m

Seattle/Tacoma Intl

wt. 6/9

10:29 am-4:23 pm

1 stop5h 54m

$263

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

czw. 6/4

12:09 pm-10:08 pm

1 stop9h 59m

Seattle/Tacoma Intl

wt. 6/9

5:07 am-6:18 pm

1 stop13h 11m

$272

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

śr. 8/5

5:30 pm-6:45 pm

1 stop28h 15m

Seattle/Tacoma Intl

pon. 8/10

7:35 pm-7:05 am

1 stop8h 30m

$296

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

pt. 8/7

7:19 am-8:35 am

Nonstop1h 16m

Seattle/Tacoma Intl

czw. 8/13

3:35 pm-4:44 pm

Nonstop1h 09m

$296

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

pon. 6/8

12:45 pm-6:45 pm

1 stop6h 00m

Seattle/Tacoma Intl

pon. 6/15

11:00 pm-11:59 pm

Nonstop0h 59m

$298
Quickest round-trip

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

czw. 6/11

11:50 am-12:58 pm

Nonstop1h 08m

Seattle/Tacoma Intl

ndz. 6/14

11:00 pm-11:59 pm

Nonstop0h 59m

$299

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

wt. 7/14

6:45 am-6:45 pm

2 stops15h 00m

Seattle/Tacoma Intl

wt. 8/4

7:00 am-11:45 pm

1 stop13h 45m

$302

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

śr. 9/9

3:00 pm-6:45 pm

1 stop4h 45m

Seattle/Tacoma Intl

ndz. 9/13

10:30 am-3:25 pm

1 stop3h 55m

$307

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

czw. 5/28

3:22 pm-1:29 am

1 stop11h 07m

Seattle/Tacoma Intl

sob. 5/30

5:07 am-9:48 pm

1 stop15h 41m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Canada to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Canada with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Canada to Seattle

How far ahead should I book a flight from Canada to Seattle?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Canada to Seattle?

Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $63). Flying from Canada to Seattle in December is currently the most expensive (average of $550). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to SEA?

Find hourly flight availability from Canada to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Maj 11, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 57% on flights from Canada to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Canada to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Canada to Seattle. Price data was last updated on May 9, 2026.

Travelers seeking maximum savings on their Canada to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Canada to Seattle

Explore weekly flight availability from Canada to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated Maj 11, 2026.

The most flights from CA0 to SEA are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Canada to Seattle delayed?

About 19% of weekly flights between Canada and Seattle have experienced delays in the past year, with the average delay time being 127 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated Maj 11, 2026.
Read through reviews of airlines operating flights from Canada to Seattle, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,354 reviews
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,447 reviews
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,701 reviews
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
WestJet
7.2
Good
3,332 reviews
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Air Canada
7.1
Good
11,019 reviews
Alaska Airlines
7.9
Good
12,354 reviews

Food

7.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Canada to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Canada?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Canada.

  • How long is the flight from Canada to Seattle?

    For as low as $271, Delta can have you in Seattle from Canada in 1h 09m. Canada and Seattle are separated by a distance of 127 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Canada to Seattle one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $78. Air Canada flights start at $90 while deals on Harbour Air Seaplanes start at $95 one-way.

  • What are the most popular routes from Canada to Seattle?

    The most popular route from Canada to Seattle is Toronto Pearson Intl - Seattle/Tacoma Intl. You may also consider Vancouver Intl - Seattle/Tacoma Intl or Calgary - Seattle/Tacoma Intl.

  • What are the most reliable airlines from Canada to Seattle?

    The top 3 most reliable airlines when flying from Canada to Seattle are Alaska Airlines (73%), Hawaiian Airlines (69%) and Qatar Airways (50%).

  • What are the cheapest flights from Canada to Seattle?

    On average you can expect to pay $461 for a flight from Canada to Seattle. The cheapest flight overall is $171 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $313.

  • Can I find deals for flights from Canada to Seattle that include hotel bookings?

    Yes. In addition to deals on Canada to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Canada to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Seattle.

  • Can I find deals for business class flights from Canada to Seattle?

    Yes. Cheapflights offers flight deals from Canada to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Canada to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $63). Flying from Canada to Seattle in December is currently the most expensive (average of $550). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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Alternative routes for Canada to Seattle

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Top 6 airlines flying from Canada to Seattle

Discover the top 6 airlines that operate flights from Canada to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Maj 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$82Average$366FlexibilityNo cancel feeOn-time67%
WestJetCheapest$143Average$321FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$164Average$353FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$277Average$277FlexibilityNo cancel feeOn-time71%
DeltaCheapest$278Average$379FlexibilityNo cancel feeOn-timeN/A

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