Find flights
Deals
When to book
Airlines
FAQs

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
5 Apr — 12 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 31 March 2025.

Round-trip from

C$ 203

One-way from

C$ 130

Popular in

May

Cheapest in

February

Average price

C$ 511

Good round-trip deal

C$ 305 or less

Good one-way deal

C$ 211 or less
WestJet
  • WestJet
  • 13/6-16/6
  • 1 total stop
  • 5h 49m total
  • Canada to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 26/4
  • Nonstop
  • 1h 16m total
  • Canada to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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

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 31 March 2025.

Fri 13/67:35 p.m.YYC - SEA
Nonstop1h 53mWestJet
Mon 16/63:39 p.m.SEA - YYC
1 stop3h 56mWestJet
Deal found 30/3C$ 203
Fri 29/81:05 p.m.YLW - SEA
Nonstop1h 04mWestJet
Sun 31/83:39 p.m.SEA - YLW
Nonstop1h 04mWestJet
Deal found 30/3C$ 208
Wed 14/59:20 a.m.YYC - SEA
2 stops10h 13mAir Canada
Wed 21/55:35 a.m.SEA - YYC
2 stops8h 26mAir Canada
Deal found 29/3C$ 220
Wed 14/56:19 p.m.YYC - SEA
Nonstop1h 46mMultiple Airlines
Wed 21/57:05 a.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 29/3C$ 225
Sun 11/59:00 a.m.YVR - SEA
1 stop5h 09mWestJet
Sun 18/53:39 p.m.SEA - YVR
1 stop3h 56mWestJet
Deal found 30/3C$ 240
Mon 28/43:55 p.m.YVR - SEA
1 stop19h 40mMultiple Airlines
Mon 5/58:56 p.m.SEA - YVR
1 stop25h 29mMultiple Airlines
Deal found 31/3C$ 259
Tue 13/58:15 a.m.YVR - SEA
Nonstop1h 03mAir Canada
Tue 20/55:35 a.m.SEA - YVR
Nonstop1h 05mAir Canada
Deal found 30/3C$ 263
Wed 25/62:36 p.m.YLW - SEA
Nonstop1h 15mMultiple Airlines
Sat 28/63:39 p.m.SEA - YLW
Nonstop1h 04mMultiple Airlines
Deal found 30/3C$ 265
Wed 30/43:49 p.m.YYC - SEA
1 stop6h 26mUnited Airlines
Sun 4/55:05 a.m.SEA - YYC
1 stop6h 14mUnited Airlines
Deal found 30/3C$ 282
Fri 25/46:00 a.m.YVR - SEA
Nonstop1h 00mAlaska Airlines
Sun 27/48:37 a.m.SEA - YVR
Nonstop1h 01mAlaska Airlines
Deal found 31/3C$ 285
Fri 9/51:34 p.m.YLW - SEA
Nonstop1h 16mHawaiian Airlines
Mon 12/511:28 a.m.SEA - YLW
Nonstop1h 16mHawaiian Airlines
Deal found 30/3C$ 289
Tue 22/49:25 p.m.YLW - SEA
1 stop12h 28mAir Canada
Sun 27/45:45 a.m.SEA - YLW
1 stop4h 42mAir Canada
Deal found 30/3C$ 291

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 31 March 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

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 13/6

7:35 p.m.-8:28 p.m.

Nonstop1h 53m

Seattle/Tacoma Intl

Mon 16/6

3:39 p.m.-8:35 p.m.

1 stop3h 56m

C$ 203

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Fri 29/8

1:05 p.m.-2:09 p.m.

Nonstop1h 04m

Seattle/Tacoma Intl

Sun 31/8

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

Nonstop1h 04m

C$ 208

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 14/5

9:20 a.m.-6:33 p.m.

2 stops10h 13m

Seattle/Tacoma Intl

Wed 21/5

5:35 a.m.-3:01 p.m.

2 stops8h 26m

C$ 220

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 14/5

6:19 p.m.-7:05 p.m.

Nonstop1h 46m

Seattle/Tacoma Intl

Wed 21/5

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

Nonstop1h 40m

C$ 225

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Sun 11/5

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

1 stop5h 09m

Seattle/Tacoma Intl

Sun 18/5

3:39 p.m.-7:35 p.m.

1 stop3h 56m

C$ 240

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Mon 28/4

3:55 p.m.-11:35 a.m.

1 stop19h 40m

Seattle/Tacoma Intl

Mon 5/5

8:56 p.m.-10:25 p.m.

1 stop25h 29m

C$ 259

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Tue 13/5

8:15 a.m.-9:18 a.m.

Nonstop1h 03m

Seattle/Tacoma Intl

Tue 20/5

5:35 a.m.-6:40 a.m.

Nonstop1h 05m

C$ 263

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Wed 25/6

2:36 p.m.-3:51 p.m.

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 28/6

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

Nonstop1h 04m

C$ 265

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 30/4

3:49 p.m.-9:15 p.m.

1 stop6h 26m

Seattle/Tacoma Intl

Sun 4/5

5:05 a.m.-12:19 p.m.

1 stop6h 14m

C$ 282

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Fri 25/4

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

Nonstop1h 00m

Seattle/Tacoma Intl

Sun 27/4

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

Nonstop1h 01m

C$ 285

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 60 results
1
2
3
...
6

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 31 March 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 31 March 2025.

The most flights from CA0 to SEA are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 31 March 2025.
To help decide which airline to fly from Canada to Seattle, see what other customers have to say about Alaska Airlines, Delta and Hawaiian 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
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
9,818 reviews
Check prices

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

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 Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 130. WestJet flights start at C$ 137 while deals on Hawaiian Airlines start at C$ 140 one-way.

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

    Most travellers choose Toronto Pearson Intl - Seattle/Tacoma Intl, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl or Vancouver 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: Air Tahiti Nui (100%), Qatar Airways (85%), Alaska Airlines( 85%).

  • What are the cheapest flights from Canada to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 258. While the most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl) can be booked for C$ 379 on average our data indicates C$ 1,682 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
Leavenworth
Tacoma
Olympia
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Canada to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Seattle flights
Vancouver Intl to Seattle flights
Vancouver Intl to Portland flights
Calgary to Seattle flights
Edmonton to Seattle flights
Kelowna to Seattle flights
Hamilton to Seattle flights
Pearson Intl to Portland flights
Region of Waterloo Intl to Seattle flights
Toronto Island to Seattle flights
Calgary to Portland flights
Ottawa to Seattle flights
Pierre Elliott Trudeau Intl to Portland flights
Victoria to Seattle flights
Winnipeg to Seattle flights
Detroit to Seattle flights
Edmonton to Portland flights
Saskatoon to Seattle flights
Hamilton to Portland flights
Québec City to Seattle flights
Calgary to Spokane flights
Region of Waterloo Intl to Portland flights
Halifax to Seattle flights
Ottawa to Portland flights
Vancouver Intl to Spokane flights
Salt Lake City to Seattle flights
Pearson Intl to Spokane flights
Regina to Seattle flights
Victoria to Portland flights
Edmonton to Spokane flights
London to Seattle flights
Detroit to Portland flights
Buffalo to Seattle flights
Prince George to Seattle flights
Toronto Island to Portland flights
Nanaimo to Portland flights
Kelowna to Portland flights
San Francisco to Seattle flights
San Diego to Seattle flights
Vancouver Intl to Bellingham flights
Winnipeg to Portland flights
Los Angeles to Portland flights

Top 7 airlines flying from Canada to Seattle

Discover the top 7 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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 159AverageC$ 490FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 182AverageC$ 513FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 197AverageC$ 498FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 216AverageC$ 524FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 240AverageC$ 444FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Harbour Air SeaplanesCheapestC$ 384AverageC$ 425FlexibilityNo cancel feeOn-timeN/A
Search Harbour Air Seaplanes flights
American AirlinesCheapestC$ 443AverageC$ 660FlexibilityNo 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.