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Cheap flights from Toronto to Seattle from C$ 211

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SEA
26 Nov — 3 Dec1
1 adult

The best prices from Toronto to Seattle/Tacoma Intl are usually found in October or November, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Find flights from Toronto to Seattle within your budget

Customize your flight search to find flights from Toronto 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 640,016 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 11/1

7:05 p.m.-9:30 p.m.

Nonstop5h 25m

Seattle/Tacoma Intl

Fri 17/1

11:59 p.m.-4:46 p.m.

1 stop13h 47m

C$ 367

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 9/3

7:00 p.m.-2:21 p.m.

2 stops22h 21m

Seattle/Tacoma Intl

Thu 13/3

3:15 p.m.-5:58 a.m.

2 stops11h 43m

C$ 370

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

7:05 p.m.-9:30 p.m.

Nonstop5h 25m

Seattle/Tacoma Intl

Thu 16/1

6:05 a.m.-1:50 p.m.

Nonstop4h 45m

C$ 371

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

5:00 p.m.-12:50 a.m.

1 stop10h 50m

Seattle/Tacoma Intl

Thu 16/1

6:00 a.m.-7:09 p.m.

1 stop10h 09m

C$ 373

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

5:00 p.m.-12:50 a.m.

1 stop10h 50m

Seattle/Tacoma Intl

Thu 16/1

7:27 a.m.-3:05 p.m.

Nonstop4h 38m

C$ 399

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 21/1

4:10 p.m.-11:20 a.m.

2 stops22h 10m

Seattle/Tacoma Intl

Sat 25/1

7:05 p.m.-6:09 a.m.

1 stop8h 04m

C$ 402

TorontoSeattle

YTZ - SEA

YTZSEA

Toronto Island

Thu 9/1

8:25 p.m.-2:30 p.m.

2 stops21h 05m

Seattle/Tacoma Intl

Thu 16/1

3:05 p.m.-9:38 a.m.

2 stops15h 33m

C$ 438

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

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

1 stop16h 00m

Seattle/Tacoma Intl

Wed 15/1

12:45 a.m.-4:15 p.m.

1 stop12h 30m

C$ 443

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 24/1

9:30 p.m.-10:00 a.m.

2 stops15h 30m

Seattle/Tacoma Intl

Sun 26/1

11:30 a.m.-6:15 a.m.

2 stops15h 45m

C$ 483

TorontoSeattle

YTZ - SEA

YTZSEA

Toronto Island

Fri 17/1

4:10 p.m.-10:00 a.m.

3 stops20h 50m

Seattle/Tacoma Intl

Fri 24/1

3:15 p.m.-5:58 p.m.

3 stops23h 43m

C$ 571

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 27 results
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Cheap flight deals from Toronto to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.

Round-trip from

C$ 364

One-way from

C$ 219

Popular in

March

Cheapest in

October
Air Canada
  • Air Canada
  • 20/1-27/1
  • 1 total stop
  • 24h 21m total
  • Toronto to Seattle
Search Deals
WestJet
  • WestJet
  • 10/12
  • 1 total stop
  • 9h 26m total
  • Toronto to Seattle
Search Deals
High demand for flights, 18% potential price rise
Search Deals
Best time to find cheap flights, 22% potential price drop
Search Deals

Find flight deals from Toronto to Seattle

Cheapest flights from Toronto to Seattle
Explore the most affordable flight options available from Toronto to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Mon 16/127:15 p.m.YYZ - SEA
Nonstop5h 25mAir Canada
Wed 25/127:15 p.m.SEA - YYZ
1 stop7h 54mAir Canada
Deal found 20/11C$ 378
Mon 16/125:04 p.m.YYZ - SEA
1 stop8h 21mDelta
Wed 25/128:30 a.m.SEA - YYZ
1 stop11h 38mDelta
Deal found 20/11C$ 380
Sat 14/128:05 a.m.YYZ - SEA
1 stop16h 04mUnited Airlines
Tue 7/111:05 a.m.SEA - YYZ
1 stop9h 06mUnited Airlines
Deal found 21/11C$ 387
Wed 27/116:30 a.m.YYZ - SEA
1 stop10h 51mWestJet
Wed 4/123:15 p.m.SEA - YYZ
1 stop18h 24mWestJet
Deal found 20/11C$ 416
Wed 4/128:00 p.m.YYZ - SEA
1 stop15h 57mMultiple Airlines
Wed 11/124:00 p.m.SEA - YYZ
1 stop11h 46mMultiple Airlines
Deal found 19/11C$ 425
Sat 14/124:20 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Wed 1/17:26 a.m.SEA - YYZ
Nonstop4h 41mAlaska Airlines
Deal found 21/11C$ 462
Thu 28/116:30 a.m.YKF - SEA
1 stop10h 51mWestJet
Wed 11/123:15 p.m.SEA - YKF
1 stop7h 01mWestJet
Deal found 21/11C$ 619
Wed 11/124:05 p.m.YYZ - SEA
1 stop9h 16mAmerican Airlines
Thu 12/1212:15 a.m.SEA - YYZ
1 stop9h 18mAmerican Airlines
Deal found 19/11C$ 686
Mon 2/122:00 p.m.YTZ - SEA
2 stops23h 50mMultiple Airlines
Tue 3/129:35 p.m.SEA - YTZ
2 stops21h 38mMultiple Airlines
Deal found 20/11C$ 816
Tue 26/116:05 p.m.YHM - SEA
1 stop23h 16mWestJet
Tue 10/123:15 p.m.SEA - YHM
1 stop22h 58mWestJet
Deal found 21/11C$ 845
Sun 22/128:25 p.m.YTZ - SEA
2 stops25h 00mAir Canada
Sat 4/15:45 a.m.SEA - YTZ
2 stops11h 05mAir Canada
Deal found 21/11C$ 1,079
Sat 21/126:30 a.m.YKF - SEA
2 stops10h 56mMultiple Airlines
Mon 30/123:15 p.m.SEA - YKF
1 stop7h 01mMultiple Airlines
Deal found 21/11C$ 1,556

Best time to book a flight from Toronto to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Toronto 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.

Travel insights for flights from Toronto to Seattle

Get recent, data-driven insights about flights from Toronto to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Seattle. Price data was last updated on 15 November 2024.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto 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 Toronto to Seattle?

Currently, August is the cheapest month in which you can book a flight from Toronto to Seattle (average of C$ 271). Flying from Toronto to Seattle in March is currently the most expensive (average of C$ 418). 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 YTO to SEA?

Find hourly flight availability from Toronto 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 21 November 2024.

A simple way to save on the total cost of your ticket is to fly from Toronto to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Toronto to Seattle. Price data was last updated on 18 November 2024.

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

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 21 November 2024.
Get a feel of what it's like to fly with WestJet, Delta and Air Canada from Toronto to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

Alaska Airlines
8.0
Very good
9,464 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

Delta
8.0
Very good
8,755 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Boarding

8.2

Food

7.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 Toronto?

    For a flight from Toronto to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 1 inbound flight from Toronto per day. 6 airlines have flights to Seattle/Tacoma Intl from Toronto on a regular basis.

  • What are the cheapest airlines flying from Toronto to Seattle round-trip?

    According to our current data, WestJet (C$ 367), Delta (C$ 373), and Air Canada (C$ 378) offers the cheapest pricing from Toronto to Seattle. These flights start at 43% lower than the current average price 3 months from now.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 219. Users have also found prices from C$ 223 and C$ 225 on Air Canada and Delta, respectively.

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

    While some choose either Hamilton - Seattle/Tacoma Intl or Toronto Island - Seattle/Tacoma Intl, Toronto Pearson Intl - Seattle/Tacoma Intl is the most popular route from Toronto to Seattle.

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

    The top 3 most reliable airlines when flying from Toronto to Seattle are Brussels Airlines (100%), Alaska Airlines (95%) and Hawaiian Airlines (94%).

  • What are the cheapest flights from Toronto to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 233. While the most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl) can be booked for C$ 373 on average our data indicates C$ 1,389 when flying from Toronto to Seattle.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto 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 Toronto to Seattle?

    Currently, August is the cheapest month in which you can book a flight from Toronto to Seattle (average of C$ 271). Flying from Toronto to Seattle in March is currently the most expensive (average of C$ 418). 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

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Fly from Toronto to Seattle on these airlines

Choose from the following airlines for your flight from Toronto to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2024.
Air Canada flights from Toronto to Seattle/Tacoma Intl
WestJet flights from Toronto to Seattle/Tacoma Intl
United Airlines flights from Toronto to Seattle/Tacoma Intl

Top 6 airlines flying from Toronto to Seattle

Discover the top 6 airlines that operate flights from Toronto 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 640,016 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 298AverageC$ 573FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 362AverageC$ 582FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 395AverageC$ 708FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 401AverageC$ 699FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 409AverageC$ 629FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 544AverageC$ 712FlexibilityNo 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 Toronto to Seattle?

Deals for Toronto to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Toronto to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Toronto to Seattle flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Toronto to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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