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C$ 243+ Direct flights to Seattle

This is the cheapest price on a non-stop flight to Seattle found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
4 May — 11 May1
1 adult

Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.

Tue 3/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Fri 6/67:23 a.m.SEA - YYZ
Nonstop4h 37mAlaska Airlines
Deal found 28/4C$ 360
Fri 6/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Sat 14/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 28/4C$ 445
Thu 22/58:25 a.m.YYZ - SEA
Nonstop5h 20mUnited Airlines
Fri 6/611:35 a.m.SEA - YYZ
Nonstop4h 57mUnited Airlines
Deal found 28/4C$ 502
Fri 6/68:30 a.m.YYZ - SEA
Nonstop5h 21mMultiple Airlines
Sun 8/611:35 a.m.SEA - YYZ
Nonstop4h 57mMultiple Airlines
Deal found 28/4C$ 549

Best time to book a flight to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Fare Finder

Use the slider to find non-stop flights to Seattle within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches and data was last updated on 29 April 2025.
Use the filters below to find and compare direct flights to Seattle that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 21/5

4:45 p.m.-7:04 p.m.

Nonstop5h 19m

Seattle/Tacoma Intl

Tue 3/6

7:23 a.m.-3:00 p.m.

Nonstop4h 37m

C$ 394

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 25/5

8:25 a.m.-10:45 a.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Fri 30/5

11:30 a.m.-7:27 p.m.

Nonstop4h 57m

C$ 615

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 5/6

8:30 a.m.-10:51 a.m.

Nonstop5h 21m

Seattle/Tacoma Intl

Wed 11/6

7:23 a.m.-3:00 p.m.

Nonstop4h 37m

C$ 626

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 5/6

8:30 a.m.-10:51 a.m.

Nonstop5h 21m

Seattle/Tacoma Intl

Wed 11/6

11:35 a.m.-7:32 p.m.

Nonstop4h 57m

C$ 654

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 1/6

8:30 a.m.-10:51 a.m.

Nonstop5h 21m

C$ 243

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 13/6

4:45 p.m.-7:09 p.m.

Nonstop5h 24m

C$ 279

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 13/5

8:25 a.m.-10:45 a.m.

Nonstop5h 20m

C$ 428

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Reviews of airlines flying non-stop to Seattle

Get insights into the airlines that provide direct flights 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 29 April 2025.

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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
8.0
Very good

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

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

Temperature and rainfall in Seattle by month

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

SEA

Temperature

5 - 19 °C

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).

FAQ about direct flights to Seattle

Find answers to frequently asked questions about direct flights to Seattle to unlock the best deals on Cheapflights.
  • How much are direct flights to Seattle?

    On average, a one-way direct flight to Seattle will cost users approximately C$ 733. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 1,065.

  • Which airlines fly direct to Seattle?

    At the moment, WestJet, Air Canada, Alaska Airlines, United Airlines, Delta, American Airlines, Harbour Air Seaplanes, Hawaiian Airlines offer direct flights to Seattle. WestJet is currently the most popular airline that flies direct to Seattle.

  • How long is a direct flight to Seattle?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Seattle to last approximately 2h 30m on average. The quickest direct flight to Seattle at this time departs from Victoria (0h 51m), while the longest leaves from Montreal Pierre Elliott Trudeau Intl Airport (5h 46m).

  • What is the best time of year to fly direct to Seattle?

    If you're seeking the lowest price on a direct flight to Seattle, January is worth consideration, as prices are usually at their lowest, on average. February may be most appealing to users looking for the quietest time to visit Seattle, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Seattle?

    Currently, the most popular direct flight origin to Seattle is Vancouver Intl Airport. A round-trip direct flight from Vancouver Intl Airport to Seattle typically costs around C$ 1,735.

See more FAQs

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