Flight INFO & Westjet(WS) flights from Toronto to Seattle
| Cheapest one-way flight price | US$140 |
|---|---|
| Cheapest return ticket price | US$377 |
| Cheapest month | October |
| Peak season for travel | July |
| Flight distance | 3,325.49 km |
| Average flight time | 5 hours 23 minutes |
| Popular airline | Alaska Airlines |
| Frequency | ～8/week |
Book Westjet(WS) flights from Toronto to Seattle
- One way
- Round-trip
YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Fri, Oct 9|WestJetUS$172US$24128% offSearch28% offUS$241US$172- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Thu, Oct 8|WestJetUS$176US$24127% offSearch27% offUS$241US$176
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Mon, Oct 12|WestJetUS$176US$24127% offSearch27% offUS$241US$176
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Wed, Oct 7|WestJetUS$178SearchUS$178
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Sat, Oct 10|WestJetUS$179SearchUS$179
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Tue, Oct 13|WestJetUS$182SearchUS$182
- YYZ22:2523h 20m1 stopsSEA18:45Toronto - Seattle|Tue, Sep 29|WestJetUS$185SearchUS$185
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Mon, Sep 21|WestJetUS$190SearchUS$190
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Thu, Oct 1|WestJetUS$191SearchUS$191
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Tue, Sep 22|WestJetUS$192SearchUS$192
- YHM18:1018h 30m1 stopsSEA09:40Toronto - Seattle|Wed, Sep 30|WestJetUS$193SearchUS$193
- YHM18:1018h 30m1 stopsSEA09:40Toronto - Seattle|Mon, Sep 28|WestJetUS$193SearchUS$193
- YYZ22:2514h 15m1 stopsSEA09:40Toronto - Seattle|Sun, Oct 11|WestJetUS$196SearchUS$196
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Sun, Sep 27|WestJetUS$197SearchUS$197
- YHM18:1027h 35m1 stopsSEA18:45Toronto - Seattle|Mon, Oct 12|WestJetUS$200SearchUS$200
- YYZ15:5029h 55m1 stopsSEA18:45Toronto - Seattle|Wed, Sep 30|WestJetUS$201SearchUS$201
- YHM18:1018h 30m1 stopsSEA09:40Toronto - Seattle|Thu, Oct 8|WestJetUS$202SearchUS$202
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Fri, Oct 2|WestJetUS$205SearchUS$205
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Mon, Oct 5|WestJetUS$206SearchUS$206
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Tue, Oct 6|WestJetUS$206SearchUS$206
- YYZ07:0029h 40m1 stopsSEA09:40Toronto - Seattle|Mon, Sep 28|WestJetUS$206SearchUS$206
- YHM18:1027h 35m1 stopsSEA18:45Toronto - Seattle|Tue, Oct 13|WestJetUS$207SearchUS$207
- YHM18:1027h 35m1 stopsSEA18:45Toronto - Seattle|Wed, Sep 23|WestJetUS$209SearchUS$209
- YHM18:1027h 35m1 stopsSEA18:45Toronto - Seattle|Tue, Sep 22|WestJetUS$215SearchUS$215
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Sun, Oct 4|WestJetUS$217SearchUS$217
- YHM18:1018h 30m1 stopsSEA09:40Toronto - Seattle|Sun, Sep 27|WestJetUS$223SearchUS$223
- YYZ12:009h 45m1 stopsSEA18:45Toronto - Seattle|Sat, Sep 19|WestJetUS$223SearchUS$223
- YYZ12:409h 5m2 stopsSEA18:45Toronto - Seattle|Wed, Sep 23|WestJetUS$223SearchUS$223
- YYZ12:409h 5m2 stopsSEA18:45Toronto - Seattle|Sun, Sep 20|WestJetUS$225SearchUS$225
- YHM18:1027h 35m1 stopsSEA18:45Toronto - Seattle|Wed, Oct 7|WestJetUS$226SearchUS$226
YTO13:0027h 35mNonstopSEA14:00Toronto - Seattle|Mon, Sep 6|Normal AirlineMore cheap flightsMore cheap flights
Westjet(WS) flights from Toronto to Seattle & Flight Schedule
Flight info.
Departure
Arrival
Weekly Schedule
-
WS641
WestJet
13:30
YYZ
16:05
YYC
S M T W T - SSearch -
WS1552
WestJet
17:50
YYC
18:45
SEA
S M T W T F SSearch -
WS629
WestJet
08:00
YYZ
10:20
YYC
S M T W T F SSearch -
WS1552
WestJet
17:50
YYC
18:45
SEA
S M T W T F SSearch -
WS639
WestJet
12:00
YYZ
14:20
YYC
S M T W T F SSearch -
WS1552
WestJet
17:50
YYC
18:45
SEA
S M T W T F SSearch -
WS627
WestJet
06:00
YYZ
08:20
YYC
S M T W T F SSearch -
WS1552
WestJet
17:50
YYC
18:45
SEA
S M T W T F SSearch -
WS383
WestJet
09:10
YYZ
11:05
YWG
S M T W T F SSearch -
WS229
WestJet
14:55
YWG
16:10
YYC
S M T W T F SSearch -
WS1552
WestJet
17:50
YYC
18:45
SEA
S M T W T F SSearch
Westjet(WS) flights from Toronto to Seattle Flight Booking FAQ
-
Which airlines offer direct flights from Toronto to Seattle?
At the moment, you can catch a nonstop flight from Toronto to Seattle with the following airlines, including: Alaska Airlines Porter Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
How long is a flight from Toronto to Seattle?
It takes about 5 hours 23 minutes to fly from Toronto to Seattle. -
When is the best time to book flights from Toronto to Seattle?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Toronto to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How many flights are there per week from Toronto to Seattle?
Based on Trip.com data in the past 4 weeks, there is 12 flight per week flying from Toronto to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS391 (17:02) -
When are flight tickets from Toronto (YTO) to Seattle (SEA) the cheapest?
The cheapest months to fly from Toronto to Seattle is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Toronto to Seattle on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Toronto to Seattle on September 23, 2026 with WestJet, with prices starting at US$250. -
Which airports fly into Seattle from Toronto?
You can land at any one of the following hubs in Seattle: King County (Boeing Field) International Airport (BFI), Kenmore Air Harbor Seaplane Base (LKE), and Seattle-Tacoma International Airport (SEA). Flying from Toronto Pearson International Airport to Seattle-Tacoma International Airport (YYZ-SEA) is by far the most common option on this route. -
Is there any time difference between Toronto and Seattle?
The time difference between Seattle and Toronto is 3h. -
How do I change or cancel my ticket from Toronto to Seattle?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
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