Air Canada Toronto to Seattle Flights

Cheapflightsplus.com will find cheap Air Canada flights from Toronto to Seattle. Compare airline ticket prices and book air tickets starting from $141 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Air Canada, arrivals and departure details below.

Find Cheap Airfare Toronto (ON) — Seattle (WA) by Air Canada

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in june: one-way - $141, two-way – $242.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:25 am — 7:31 pm
10:25 am — 11:43 am AC7958 Air Canada
Toronto — Montreal
5h 4m stop
5:45 pm — 8:41 pm AC515 Air Canada
Montreal — Seattle
12h 6m
including layover
Find flight
from$187
10:50 pm — 6:37 pm
+1 day
10:50 pm — 1:05 am AC159 Air Canada
Toronto — Calgary
16h 40m stop
5:45 pm — 6:37 pm WS1552 WestJet
Calgary — Seattle
22h 47m
including layover
Find flight
from$315
12:00 pm — 6:36 pm
11:30 am — 1:34 pm AC111 Air Canada
Toronto — Vancouver
3h 26m stop
5:30 pm — 6:33 pm AC8806 Air Canada
Vancouver — Seattle
9h 36m
including layover
Find flight
from$208
12:10 pm — 5:49 pm
12:10 pm — 1:05 pm AC505 Air Canada
Toronto — Chicago
2h 5m stop
3:17 pm — 5:54 pm HA6297 Hawaiian Airlines
Chicago — Seattle
8h 39m
including layover
Find flight
from$391
6:15 am — 6:36 pm
6:15 am — 8:06 am AC181 Air Canada
Toronto — Vancouver
9h 24m stop
5:30 pm — 6:36 pm AC8806 Air Canada
Vancouver — Seattle
15h 21m
including layover
Find flight
from$208
6:20 pm — 0:34 am
+1 day
6:20 pm — 8:05 pm AC1041 Air Canada
Toronto — Denver
2h 29m stop
10:29 pm — 0:37 am F93405 Frontier Airlines
Denver — Seattle
9h 14m
including layover
Find flight
from$564
7:00 am — 6:36 pm
7:00 am — 9:05 am AC101 Air Canada
Toronto — Vancouver
8h 25m stop
5:30 pm — 6:36 pm AC8806 Air Canada
Vancouver — Seattle
14h 36m
including layover
Find flight
from$183
8:00 am — 8:41 pm
8:00 am — 9:21 am AC402 Air Canada
Toronto — Montreal
8h 24m stop
5:45 pm — 8:41 pm AC515 Air Canada
Montreal — Seattle
15h 41m
including layover
Find flight
from$205
8:50 am — 5:13 pm
8:50 am — 10:22 am AC1721 Air Canada
Toronto — Phoenix
3h 40m stop
2:02 pm — 5:13 pm F91723 Frontier Airlines
Phoenix — Seattle
11h 23m
including layover
Find flight
from$215
9:30 am — 4:15 pm
9:30 am — 10:43 am AC8717 Air Canada
Toronto — Minneapolis
3h 42m stop
2:25 pm — 4:15 pm HA6267 Hawaiian Airlines
Minneapolis — Seattle
9h 45m
including layover
Find flight
from$555
9:30 pm — 7:10 am
+1 day
9:30 pm — 11:37 pm AC129 Air Canada
Toronto — Vancouver
6h 23m stop
6:00 am — 7:10 am AS3486 Alaska Airlines
Vancouver — Seattle
12h 40m
including layover
Find flight
from$322
11:20 pm — 11:42 pm
+1 day
11:20 pm — 0:41 am AC432 Air Canada
Toronto — Montreal
7h 24m stop
8:05 am — 10:21 am AC1073 Air Canada
Montreal — Denver
11h 15m stop
9:36 pm — 11:42 pm F94545 Frontier Airlines
Denver — Seattle
27h 22m
including layover
Find flight
from$277
11:20 pm — 2:48 pm
+1 day
11:20 pm — 0:41 am AC432 Air Canada
Toronto — Montreal
7h 24m stop
8:05 am — 10:27 am AC1073 Air Canada
Montreal — Denver
2h 28m stop
12:56 pm — 2:55 pm HA4869 Hawaiian Airlines
Denver — Seattle
18h 28m
including layover
Find flight
from$290
7:20 pm — 9:21 am
+1 day
7:20 pm — 8:17 pm AC7712 Air Canada
Toronto — Ottawa
1h 38m stop
9:55 pm — 0:15 am AC347 Air Canada
Ottawa — Vancouver
8h stop
8:15 am — 9:21 am AC8798 Air Canada
Vancouver — Seattle
17h 1m
including layover
Find flight
from$141
*Departure and arrival times are local. Last updated on 06/07/2025

Flight Information

There are 41 flight by Air Canada from Toronto to Seattle every week with departures from Pearson International, Toronto Island, Buttonville Municipal. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:25 am to 9:30 pm. Nonstop flight is 7h 19m. The time difference between Toronto and Seattle is 3h.

  • The fastest flight 7h 19m
  • Average flight time 15h 44m
  • The earliest flight 10:25 am
  • The latest flight 9:30 pm
  • Distance 2067 ml

The cheapest months for traveling to Seattle are june (from 189 $), august (from 250 $), july (from 278 $).

The most expensive and popular months are may (from 456 $), october (from 303 $), september (from 278 $).

The cheapest flight by Air Canada that our users were able to find is $141. This airfare is economy class on one-way AC7712 flight for June 29, 2025 leaving Toronto Island in Toronto at 7:20 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Air Canada there are other 7 airline carriers between Toronto and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Toronto to Seattle.

Nonstop flights

There are 2 direct flights every day from Toronto. Airlines and fares are below:

  • AS - Alaska Airlines
    from $150
    Find
  • UA - United Airlines
    from $203
    Find
See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • F8 - Freedom Airlines
    from $170
    Find
  • AS - Alaska Airlines
    from $243
    Find
  • PD - Porter Airlines
    from $130
    Find
  • SY - Sun Country Airlines
    from $174
    Find
  • UA - United Airlines
    from $130
    Find
  • WS - WestJet
    from $138
    Find
  • TS - Air Transat
    from $163
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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