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Cheap flights from Toronto Island Airport to Seattle from C$ 329

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Toronto Island Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:45 p.m. - 1:40 p.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
25h 55m3 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl Calgary
Multiple Airlines Logo
8:40 a.m. - 9:58 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
10h 18m2 stops Vancouver Intl Ottawa
C$ 698Multiple Airlines
Wed, 2 Dec - Sat, 5 Dec
Multiple Airlines Logo
6:45 a.m. - 9:57 p.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
18h 12m3 stops Montreal St Hubert Calgary Vancouver Intl
Multiple Airlines Logo
7:05 p.m. - 8:55 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
22h 50m3 stops Vancouver Intl Calgary Montreal St Hubert
C$ 700Multiple Airlines
Tue, 3 Nov - Tue, 10 Nov
Multiple Airlines Logo
3:10 p.m. - 9:32 a.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 22m3 stops Ottawa Calgary Vancouver Intl
Multiple Airlines Logo
4:27 p.m. - 3:06 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 39m2 stops Denver Intl Chicago O'Hare Intl
C$ 705Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
3:10 p.m. - 9:32 a.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 22m3 stops Ottawa Calgary Vancouver Intl
Multiple Airlines Logo
4:27 p.m. - 3:06 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 39m2 stops Denver Intl Chicago O'Hare Intl
C$ 709Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
11:55 a.m. - 10:47 p.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
13h 52m3 stops Ottawa Calgary Vancouver Intl
Multiple Airlines Logo
4:27 p.m. - 3:21 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 54m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
C$ 716Multiple Airlines
Sat, 24 Oct - Sat, 31 Oct
Multiple Airlines Logo
3:10 p.m. - 9:32 a.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 22m3 stops Ottawa Calgary Vancouver Intl
Multiple Airlines Logo
4:27 p.m. - 3:06 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 39m2 stops Denver Intl Chicago O'Hare Intl
C$ 725Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
6:45 a.m. - 2:44 p.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 59m2 stops Montreal St Hubert Vancouver Intl
Multiple Airlines Logo
11:42 p.m. - 3:06 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
12h 24m1 stop Chicago O'Hare Intl
C$ 728Multiple Airlines
Wed, 11 Nov - Mon, 16 Nov
Multiple Airlines Logo
6:45 a.m. - 4:26 p.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
12h 41m2 stops Montreal St Hubert Vancouver Intl
Multiple Airlines Logo
10:33 a.m. - 9:06 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
7h 33m1 stop Chicago O'Hare Intl
C$ 729Multiple Airlines
Tue, 27 Oct - Thu, 29 Oct
Multiple Airlines Logo
3:10 p.m. - 9:32 a.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 22m3 stops Ottawa Calgary Vancouver Intl
Multiple Airlines Logo
4:27 p.m. - 2:21 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
18h 54m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
C$ 730Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
4:55 p.m. - 9:40 a.m.YTZ  Toronto Island-SEA Seattle/Tacoma Intl
19h 45m3 stops Ottawa Vancouver Intl Calgary
Multiple Airlines Logo
7:35 p.m. - 7:30 p.m.SEA  Seattle/Tacoma Intl-YTZ Toronto Island
20h 55m3 stops Calgary Vancouver Intl Montreal St Hubert
C$ 735Multiple Airlines
Fri, 16 Oct - Wed, 21 Oct

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Air Canada flights from Toronto Island Airport to Seattle

Our best Air Canada deals on Toronto Island Airport to Seattle flight tickets
Air Canada
2 Nov
YTZ12:30 p.m.Toronto Island
12h 27m
2 stops
SEA9:57 p.m.Seattle/Tacoma Intl
9 Nov
SEA7:05 p.m.Seattle/Tacoma Intl
13h 46m
2 stops
YTZ11:51 a.m.Toronto Island
C$ 757
Air Canada
14 Oct
YTZ8:30 p.m.Toronto Island
20h 52m
2 stops
SEA2:22 p.m.Seattle/Tacoma Intl
18 Oct
SEA7:15 p.m.Seattle/Tacoma Intl
9h 30m
2 stops
YTZ7:45 a.m.Toronto Island
C$ 775
Air Canada
14 Oct
YTZ8:30 p.m.Toronto Island
20h 52m
2 stops
SEA2:22 p.m.Seattle/Tacoma Intl
18 Oct
SEA7:15 p.m.Seattle/Tacoma Intl
9h 30m
2 stops
YTZ7:45 a.m.Toronto Island
C$ 777

United Airlines flights from Toronto Island Airport to Seattle

Our best United Airlines deals on Toronto Island Airport to Seattle flight tickets
United Airlines
6 Oct
YTZ12:15 p.m.Toronto Island
13h 41m
1 stop
SEA10:56 p.m.Seattle/Tacoma Intl
13 Oct
SEA11:13 p.m.Seattle/Tacoma Intl
14h 35m
1 stop
YTZ4:48 p.m.Toronto Island
C$ 965
United Airlines
7 Oct
YTZ12:15 p.m.Toronto Island
14h 11m
2 stops
SEA11:26 p.m.Seattle/Tacoma Intl
15 Oct
SEA8:29 p.m.Seattle/Tacoma Intl
17h 19m
2 stops
YTZ4:48 p.m.Toronto Island
C$ 975
United Airlines
5 Oct
YTZ12:15 p.m.Toronto Island
13h 38m
1 stop
SEA10:53 p.m.Seattle/Tacoma Intl
14 Oct
SEA11:13 p.m.Seattle/Tacoma Intl
14h 35m
1 stop
YTZ4:48 p.m.Toronto Island
C$ 1,002

momondo Fare Finder

 
Use the filters below to find and compare flights from Toronto Island Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Wed 2/12

2:45 p.m.-1:40 p.m.

3 stops25h 55m

Seattle/Tacoma Intl

Sat 5/12

8:40 a.m.-9:58 p.m.

2 stops10h 18m

C$ 698

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Tue 3/11

6:45 a.m.-9:57 p.m.

3 stops18h 12m

Seattle/Tacoma Intl

Tue 10/11

7:05 p.m.-8:55 p.m.

3 stops22h 50m

C$ 700

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Sat 7/11

3:10 p.m.-9:32 a.m.

3 stops21h 22m

Seattle/Tacoma Intl

Sat 14/11

4:27 p.m.-3:06 p.m.

2 stops19h 39m

C$ 705

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Sat 7/11

3:10 p.m.-9:32 a.m.

3 stops21h 22m

Seattle/Tacoma Intl

Sat 14/11

4:27 p.m.-3:06 p.m.

2 stops19h 39m

C$ 709

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Sat 24/10

11:55 a.m.-10:47 p.m.

3 stops13h 52m

Seattle/Tacoma Intl

Sat 31/10

4:27 p.m.-3:21 p.m.

3 stops19h 54m

C$ 716

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Sat 7/11

3:10 p.m.-9:32 a.m.

3 stops21h 22m

Seattle/Tacoma Intl

Sat 14/11

4:27 p.m.-3:06 p.m.

2 stops19h 39m

C$ 725

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Wed 11/11

6:45 a.m.-2:44 p.m.

2 stops10h 59m

Seattle/Tacoma Intl

Mon 16/11

11:42 p.m.-3:06 p.m.

1 stop12h 24m

C$ 728
Quickest round-trip

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Tue 27/10

6:45 a.m.-4:26 p.m.

2 stops12h 41m

Seattle/Tacoma Intl

Thu 29/10

10:33 a.m.-9:06 p.m.

1 stop7h 33m

C$ 729

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Sat 7/11

3:10 p.m.-9:32 a.m.

3 stops21h 22m

Seattle/Tacoma Intl

Sat 14/11

4:27 p.m.-2:21 p.m.

3 stops18h 54m

C$ 730

TorontoSeattle

YTZ Toronto Island - SEA Seattle/Tacoma Intl

YTZSEA

Toronto Island

Fri 16/10

4:55 p.m.-9:40 a.m.

3 stops19h 45m

Seattle/Tacoma Intl

Wed 21/10

7:35 p.m.-7:30 p.m.

3 stops20h 55m

C$ 735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Toronto Island Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 531. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 950. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Toronto Island Airport to Seattle during this time can be as low as C$ 517. Flights in the morning are often more expensive with an average ticket price of C$ 1,303.

When to book flights from Toronto Island Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto Island Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto Island Airport to Seattle (YTZ to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Island Airport to Seattle

Best price found

C$ 329

Fastest flight time

9h 49m

Direct flights

None
The best one-way flight to Seattle from Toronto Island Airport in the past 72 hours is C$ 329. The best round-trip flight deal from Toronto Island Airport to Seattle found on momondo in the last 72 hours is C$ 698.
The fastest flight from Toronto Island Airport to Seattle takes 9h 49m
There are no direct flights from Toronto Island Airport to Seattle. There are no popular flight routes from Toronto Island Airport to Seattle.
Search flight deals

Frequently asked questions about flying from Toronto Island Airport to Seattle

  • How far is Toronto Island to Seattle/Tacoma Intl by plane?

    The straight-line distance from Toronto Island to Seattle/Tacoma Intl is 3323.2 km. Flights usually cover this in 9h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Toronto Island Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Toronto Island Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How old do you have to be to fly from Toronto Island Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Island Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
SeaTac
Kirkland
Redmond
Tacoma
Marysville
Tukwila
Olympia
Woodinville
Puyallup
Bainbridge Island
Ellensburg
Edmonds
Chehalis
Fife
Renton
Shoreline
Ocean Shores
Lakewood

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Toronto to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Toronto with this policy.

How can momondo help me find flights from Toronto to Seattle?

Once all potential Toronto to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Toronto to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Toronto and alert you when they change.

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