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Cheap flights from Canada to Seattle from C$ 130

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
23 ago. — 30 ago.1
1 adult

Cheap flight deals from Canada to Seattle

Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated 18 agosto 2025.

Round-trip from

C$ 192

One-way from

C$ 130

Popular in

December

Cheapest in

February

Average price

C$ 535

Good round-trip deal

C$ 310 or less

Good one-way deal

C$ 170 or less
WestJet
  • WestJet
  • 30/9-7/10
  • 2 total stops
  • 12h 30m total
  • Canada to Seattle
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WestJet
  • WestJet
  • 9/9
  • 1 total stop
  • 5h 59m total
  • Canada to Seattle
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Canada to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Canada to Seattle/Tacoma Intl.
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Find 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 18 agosto 2025.

mar. 30/97:00 a.m.YVR - SEA
1 stop5h 59mWestJet
mar. 7/102:05 p.m.SEA - YVR
1 stop6h 31mWestJet
Deal found 16/8C$ 192
mar. 30/98:15 a.m.YVR - SEA
Nonstop1h 07mAir Canada
mar. 7/1010:00 a.m.SEA - YVR
Nonstop1h 10mAir Canada
Deal found 16/8C$ 211
mié. 22/103:30 p.m.YVR - SEA
1 stop4h 59mWestJet
mié. 26/113:10 p.m.SEA - YVR
1 stop5h 50mWestJet
Deal found 15/8C$ 217
sáb. 13/96:00 a.m.YEG - SEA
2 stops13h 49mUnited Airlines
sáb. 20/95:02 a.m.SEA - YEG
1 stop16h 02mUnited Airlines
Deal found 15/8C$ 217
sáb. 20/94:00 p.m.YEG - SEA
1 stop4h 21mMultiple Airlines
lun. 29/97:55 a.m.SEA - YEG
Nonstop1h 54mMultiple Airlines
Deal found 17/8C$ 218
vie. 12/911:39 a.m.YEG - SEA
Nonstop1h 56mAlaska Airlines
dom. 14/97:55 a.m.SEA - YEG
Nonstop1h 54mAlaska Airlines
Deal found 17/8C$ 220
mié. 1/109:20 p.m.YVR - SEA
Nonstop1h 06mAir Canada
mié. 8/105:30 a.m.SEA - YVR
Nonstop1h 10mAir Canada
Deal found 16/8C$ 221
mar. 26/82:45 p.m.YEG - SEA
1 stop4h 53mWestJet
mar. 16/92:05 p.m.SEA - YEG
1 stop4h 22mWestJet
Deal found 15/8C$ 222
mar. 16/98:15 a.m.YVR - SEA
Nonstop1h 07mAir Canada
mar. 16/97:15 p.m.SEA - YVR
Nonstop1h 06mAir Canada
Deal found 18/8C$ 224
jue. 11/95:17 p.m.YEG - SEA
Nonstop1h 55mMultiple Airlines
jue. 18/97:05 a.m.SEA - YEG
1 stop5h 52mMultiple Airlines
Deal found 17/8C$ 224
mar. 30/910:30 a.m.YVR - SEA
Nonstop1h 08mAlaska Airlines
mar. 7/108:42 a.m.SEA - YVR
Nonstop0h 56mAlaska Airlines
Deal found 16/8C$ 225
mar. 26/88:00 a.m.YEG - SEA
1 stop5h 58mWestJet
mié. 3/91:50 p.m.SEA - YEG
1 stop6h 22mWestJet
Deal found 16/8C$ 225

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 629,999 searches. Data last updated 18 agosto 2025.
Use the filters below to find and compare flights from Canada to Seattle that are best for you.

Fly from

Canada

Fly to

Seattle

Route

Depart

Return

Price

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 30/9

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

1 stop5h 59m

Seattle/Tacoma Intl

mar. 7/10

2:05 p.m.-8:36 p.m.

1 stop6h 31m

C$ 192

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 30/9

8:15 a.m.-9:22 a.m.

Nonstop1h 07m

Seattle/Tacoma Intl

mar. 7/10

10:00 a.m.-11:10 a.m.

Nonstop1h 10m

C$ 211

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

mié. 1/10

3:17 p.m.-11:56 a.m.

2 stops21h 39m

Seattle/Tacoma Intl

mié. 8/10

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

1 stop8h 21m

C$ 217

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

sáb. 13/9

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

1 stop4h 21m

Seattle/Tacoma Intl

sáb. 20/9

7:55 a.m.-10:49 a.m.

Nonstop1h 54m

C$ 217

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mié. 22/10

3:30 p.m.-8:29 p.m.

1 stop4h 59m

Seattle/Tacoma Intl

mié. 26/11

3:10 p.m.-9:00 p.m.

1 stop5h 50m

C$ 217

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

sáb. 13/9

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

2 stops13h 49m

Seattle/Tacoma Intl

sáb. 20/9

5:02 a.m.-10:04 p.m.

1 stop16h 02m

C$ 217

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

vie. 17/10

3:17 p.m.-11:56 a.m.

2 stops21h 39m

Seattle/Tacoma Intl

dom. 19/10

5:00 a.m.-2:08 p.m.

1 stop8h 08m

C$ 217

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

sáb. 20/9

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

1 stop4h 21m

Seattle/Tacoma Intl

lun. 29/9

7:55 a.m.-10:49 a.m.

Nonstop1h 54m

C$ 218

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

vie. 19/9

5:17 p.m.-6:12 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

mié. 24/9

7:55 a.m.-10:49 a.m.

Nonstop1h 54m

C$ 220

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

jue. 18/9

2:55 p.m.-6:36 p.m.

1 stop4h 41m

Seattle/Tacoma Intl

mié. 24/9

2:55 p.m.-9:40 p.m.

1 stop5h 45m

C$ 220

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 60 results
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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

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 C$ 262). Flying from Canada to Seattle in December is currently the most expensive (average of C$ 353). 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 18 agosto 2025.

When flying from Canada to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18 agosto 2025.

The most flights from CA0 to SEA are scheduled on a Friday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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 18 agosto 2025.
Check out reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Canada to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
WestJet
7.2
Good
3,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Air Canada
7.1
Good
9,992 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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?

    If you book a flight to Seattle from Canada, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle.

  • How long is the flight from Canada to Seattle?

    Airlines like WestJet, Air Canada, and United Airlines fly from Canada to Seattle in about 1h 07m. The time it takes to get you to your destination can typically vary by up to 20h 32m. Airlines will cover a distance of 204 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Most travellers choose Toronto Pearson Intl - Seattle/Tacoma Intl, Vancouver Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl when deciding on the best route from Canada to Seattle.

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

    Before booking your flight to Seattle from Canada, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (92%), Hawaiian Airlines (92%), Air Tahiti Nui( 90%).

  • What are the cheapest flights from Canada to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 209. While the most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl) can be booked for C$ 329 on average our data indicates C$ 544 when flying from Canada to Seattle.

  • 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 C$ 262). Flying from Canada to Seattle in December is currently the most expensive (average of C$ 353). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Renton
Olympia
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Canada to Seattle

Discover the top 8 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 629,999 searches. Data last updated 18 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 159AverageC$ 465FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 177AverageC$ 452FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 179AverageC$ 481FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 222AverageC$ 521FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 240AverageC$ 420FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 270AverageC$ 423FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Harbour Air SeaplanesCheapestC$ 306AverageC$ 382FlexibilityNo cancel feeOn-timeN/A
Search Harbour Air Seaplanes flights
American AirlinesCheapestC$ 530AverageC$ 699FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Canada to Seattle?

When you search for this flight from Canada to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Canada to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Canada to Seattle.

Can Cheapflights find flights from Canada to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Canada shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Canada to Seattle become cheaper?

Of course! You can now track prices for flights from Canada to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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