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Cheap flights from Canada to Seattle from C$ 100

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

C$ 176

One-way from

C$ 100

Popular in

July

Cheapest in

February

Average price

C$ 549

Good round-trip deal

C$ 308 or less

Good one-way deal

C$ 154 or less
WestJet
  • WestJet
  • 5/5-7/5
  • 2 total stops
  • 9h 08m total
  • Canada to Seattle
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WestJet
  • WestJet
  • 22/6
  • 1 total stop
  • 5h 09m total
  • Canada to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in April 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 17 April 2025.

Mon 5/59:00 a.m.YVR - SEA
1 stop5h 09mWestJet
Wed 7/53:39 p.m.SEA - YVR
1 stop3h 59mWestJet
Deal found 17/4C$ 176
Wed 2/711:15 a.m.YYC - SEA
1 stop3h 54mWestJet
Fri 4/77:05 a.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 17/4C$ 198
Sat 31/53:25 p.m.YLW - SEA
Nonstop1h 25mAlaska Airlines
Mon 2/61:14 p.m.SEA - YLW
Nonstop1h 21mAlaska Airlines
Deal found 15/4C$ 201
Wed 30/49:00 p.m.YVR - SEA
Nonstop1h 03mAir Canada
Sat 3/55:30 a.m.SEA - YVR
Nonstop1h 05mAir Canada
Deal found 16/4C$ 202
Sat 31/57:00 a.m.YLW - SEA
1 stop5h 58mWestJet
Mon 2/63:39 p.m.SEA - YLW
Nonstop1h 04mWestJet
Deal found 15/4C$ 202
Fri 2/59:00 a.m.YVR - SEA
1 stop5h 09mMultiple Airlines
Mon 5/58:37 a.m.SEA - YVR
Nonstop1h 01mMultiple Airlines
Deal found 17/4C$ 209
Sat 31/57:00 a.m.YYJ - SEA
1 stop5h 58mWestJet
Sat 7/67:05 a.m.SEA - YYJ
1 stop4h 32mWestJet
Deal found 16/4C$ 215
Wed 30/76:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Thu 31/71:50 p.m.SEA - YHM
1 stop7h 51mWestJet
Deal found 17/4C$ 218
Sun 4/56:00 a.m.YVR - SEA
Nonstop1h 00mAlaska Airlines
Wed 7/58:37 a.m.SEA - YVR
Nonstop1h 01mAlaska Airlines
Deal found 16/4C$ 219
Fri 9/52:55 p.m.YEG - SEA
1 stop4h 38mAir Canada
Sun 11/55:30 a.m.SEA - YEG
1 stop4h 30mAir Canada
Deal found 16/4C$ 229
Wed 7/51:20 p.m.YYC - SEA
1 stop6h 13mAir Canada
Sat 10/55:30 a.m.SEA - YYC
1 stop4h 28mAir Canada
Deal found 16/4C$ 234
Mon 12/53:50 p.m.YYC - SEA
2 stops7h 23mMultiple Airlines
Fri 16/53:39 p.m.SEA - YYC
1 stop3h 56mMultiple Airlines
Deal found 16/4C$ 243

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 17 April 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

Mon 5/5

9:00 a.m.-2:09 p.m.

1 stop5h 09m

Seattle/Tacoma Intl

Wed 7/5

3:39 p.m.-7:38 p.m.

1 stop3h 59m

C$ 176

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 2/7

11:15 a.m.-2:09 p.m.

1 stop3h 54m

Seattle/Tacoma Intl

Fri 4/7

7:05 a.m.-9:45 a.m.

Nonstop1h 40m

C$ 198

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Sat 31/5

3:25 p.m.-4:50 p.m.

Nonstop1h 25m

Seattle/Tacoma Intl

Mon 2/6

1:14 p.m.-2:35 p.m.

Nonstop1h 21m

C$ 201

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Wed 30/4

9:00 p.m.-10:03 p.m.

Nonstop1h 03m

Seattle/Tacoma Intl

Sat 3/5

5:30 a.m.-6:35 a.m.

Nonstop1h 05m

C$ 202

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Sat 31/5

7:00 a.m.-12:58 p.m.

1 stop5h 58m

Seattle/Tacoma Intl

Mon 2/6

3:39 p.m.-4:43 p.m.

Nonstop1h 04m

C$ 202

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Fri 2/5

9:00 a.m.-2:09 p.m.

1 stop5h 09m

Seattle/Tacoma Intl

Mon 5/5

8:37 a.m.-9:38 a.m.

Nonstop1h 01m

C$ 209

VictoriaSeattle

YYJ - SEA

YYJSEA

Victoria Intl

Sat 31/5

7:00 a.m.-12:58 p.m.

1 stop5h 58m

Seattle/Tacoma Intl

Sat 7/6

7:05 a.m.-11:37 a.m.

1 stop4h 32m

C$ 215

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 30/7

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Thu 31/7

1:50 p.m.-12:41 a.m.

1 stop7h 51m

C$ 218

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Sun 4/5

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

Nonstop1h 00m

Seattle/Tacoma Intl

Wed 7/5

8:37 a.m.-9:38 a.m.

Nonstop1h 01m

C$ 219

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Fri 9/5

2:55 p.m.-6:33 p.m.

1 stop4h 38m

Seattle/Tacoma Intl

Sun 11/5

5:30 a.m.-11:00 a.m.

1 stop4h 30m

C$ 229

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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$ 261). 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 17 April 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 17 April 2025.

The most flights from CA0 to SEA are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 17 April 2025.
To help decide which airline to fly from Canada to Seattle, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,809 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 C$ 100. Air Canada flights start at C$ 126 while deals on Alaska Airlines start at C$ 129 one-way.

  • 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 Calgary - 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: Air Tahiti Nui (95%), Alaska Airlines (87%), Hawaiian Airlines( 87%).

  • What are the cheapest flights from Canada to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 240. While the most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl) can be booked for C$ 291 on average our data indicates C$ 1,341 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$ 261). 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 Canada?

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

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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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Hamilton to Portland flights
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Winnipeg to Portland flights
Edmonton to Spokane flights
Toronto Island to Portland flights
Pearson Intl to Spokane flights
Kelowna to Portland flights
Prince George to Seattle flights
Detroit to Portland flights
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Los Angeles to Portland flights
Regina to Seattle flights
O'Hare Intl to Seattle flights
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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 154AverageC$ 456FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 176AverageC$ 496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 191AverageC$ 458FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 205AverageC$ 511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 228AverageC$ 423FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapestC$ 259AverageC$ 640FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Harbour Air SeaplanesCheapestC$ 307AverageC$ 400FlexibilityNo cancel feeOn-timeN/A
Search Harbour Air Seaplanes flights
Hawaiian AirlinesCheapestC$ 412AverageC$ 412FlexibilityNo cancel feeOn-time85%
Search Hawaiian 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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