Find cheap flights from Seattle to Ontario from C$ 180
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.Return
1 adult
Economy
Fri 7/7
Fri 14/7
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Latest Ontario Flight Deals
Best round-trip prices found by our users on KAYAK in the last 72 hours
Good to know
Low season | January |
|---|---|
High season | August |
Cheapest flight | C$ 180 |
Average price round-trip | C$ 1,150 |
Good deal round-trip | C$ 652 |
Good deal one-way | C$ 287 |
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (17% more expensive on average)
Flight from Seattle to Toronto Pearson Airport
(avg. price over the last 2 weeks)
or less
or less
Top tips for finding cheap flights to Ontario
- High season is considered to be January, February and December. The cheapest month to fly from Seattle is January.
- Morning departure is around 4% more expensive than an evening flight, on average*.
FAQs - booking Ontario flights
Book cheap flights from Seattle to Ontario
Recent round-trip flight deals
21/9Thu
1 stopMultiple Airlines
23h 05mSEA-YYZ
26/9Tue
1 stopMultiple Airlines
8h 59mYYZ-SEA
C$ 424
1/9Fri
2 stopsMultiple Airlines
27h 15mSEA-YYZ
5/9Tue
1 stopMultiple Airlines
22h 11mYYZ-SEA
C$ 435
16/9Sat
1 stopMultiple Airlines
13h 25mSEA-YYZ
20/9Wed
1 stopMultiple Airlines
14h 49mYYZ-SEA
C$ 441
16/9Sat
1 stopMultiple Airlines
13h 25mSEA-YYZ
20/9Wed
1 stopMultiple Airlines
14h 49mYYZ-SEA
C$ 445
14/9Thu
1 stopMultiple Airlines
15h 03mSEA-YYZ
23/9Sat
1 stopMultiple Airlines
14h 49mYYZ-SEA
C$ 451
26/9Tue
1 stopMultiple Airlines
16h 00mSEA-YYZ
28/9Thu
1 stopMultiple Airlines
8h 59mYYZ-SEA
C$ 456
7/9Thu
1 stopMultiple Airlines
15h 03mSEA-YYZ
10/9Sun
1 stopMultiple Airlines
23h 31mYYZ-SEA
C$ 458
16/9Sat
1 stopWestJet
25h 47mSEA-YYZ
20/9Wed
2 stopsWestJet
12h 34mYYZ-SEA
C$ 503
23/8Wed
1 stopWestJet
26h 28mSEA-YHM
30/8Wed
1 stopWestJet
7h 14mYHM-SEA
C$ 530
16/9Sat
1 stopWestJet
7h 37mSEA-YYZ
20/9Wed
2 stopsWestJet
12h 34mYYZ-SEA
C$ 531
23/8Wed
1 stopWestJet
7h 38mSEA-YYZ
29/8Tue
1 stopWestJet
7h 59mYYZ-SEA
C$ 533
1/8Tue
1 stopWestJet
8h 48mSEA-YYZ
31/8Thu
2 stopsWestJet
12h 34mYYZ-SEA
C$ 534
23/8Wed
1 stopWestJet
26h 28mSEA-YHM
29/8Tue
1 stopWestJet
7h 14mYHM-SEA
C$ 534
29/8Tue
1 stopAir Canada
13h 42mSEA-YOW
12/9Tue
1 stopAir Canada
8h 28mYOW-SEA
C$ 555
26/6Mon
1 stopAir Canada
7h 48mSEA-YOW
1/7Sat
1 stopAir Canada
17h 50mYOW-SEA
C$ 564
20/6Tue
1 stopAir Canada
9h 48mSEA-YOW
21/6Wed
1 stopAir Canada
10h 02mYOW-SEA
C$ 569
29/8Tue
1 stopAir Canada
13h 42mSEA-YOW
12/9Tue
1 stopAir Canada
14h 23mYOW-SEA
C$ 582
29/8Tue
1 stopAir Canada
13h 42mSEA-YOW
4/9Mon
1 stopAir Canada
18h 27mYOW-SEA
C$ 596
29/8Tue
2 stopsUnited Airlines
12h 07mSEA-YOW
12/9Tue
2 stopsUnited Airlines
11h 43mYOW-SEA
C$ 694
3/8Thu
2 stopsUnited Airlines
18h 43mSEA-YOW
7/8Mon
2 stopsUnited Airlines
17h 59mYOW-SEA
C$ 769
Search by stops
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Recent one-way flight deals
13/9Wed
1 stopMultiple Airlines
23h 15mSEA-YYZ
C$ 180
30/8Wed
1 stopMultiple Airlines
10h 29mSEA-YHM
C$ 193
23/11Thu
1 stopMultiple Airlines
14h 43mSEA-YYZ
C$ 201
28/9Thu
1 stopMultiple Airlines
13h 25mSEA-YYZ
C$ 220
12/7Wed
1 stopMultiple Airlines
9h 46mSEA-YHM
C$ 221
12/9Tue
2 stopsMultiple Airlines
18h 49mSEA-YYZ
C$ 224
8/9Fri
2 stopsMultiple Airlines
27h 15mSEA-YYZ
C$ 225
1/8Tue
1 stopWestJet
7h 38mSEA-YYZ
C$ 248
28/6Wed
1 stopAir Canada
7h 43mSEA-YYZ
C$ 252
30/8Wed
2 stopsWestJet
8h 49mSEA-YKF
C$ 252
20/7Thu
1 stopAir Canada
13h 42mSEA-YOW
C$ 260
9/9Sat
2 stopsDelta
11h 21mSEA-YYZ
C$ 262
6/9Wed
1 stopWestJet
7h 37mSEA-YYZ
C$ 271
12/9Tue
2 stopsWestJet
16h 15mSEA-YYZ
C$ 272
25/7Tue
1 stopAir Canada
9h 48mSEA-YOW
C$ 274
13/7Thu
2 stopsWestJet
14h 03mSEA-YYZ
C$ 275
26/6Mon
1 stopAir Canada
10h 07mSEA-YYZ
C$ 279
12/9Tue
1 stopAmerican Airlines
14h 52mSEA-YYZ
C$ 298
2/9Sat
2 stopsDelta
10h 26mSEA-YYZ
C$ 299
20/7Thu
2 stopsUnited Airlines
17h 43mSEA-YOW
C$ 392