Seattle → Toronto flights
Seattle (BFI, SEA)→Toronto (YHM, YTZ, YYZ)
from$413
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$413
Thu 1 Oct 2026 → Mon 5 Oct 2026
WestJet1 stop4 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$413 lowest$713 average4h 47m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
$413Cheapest1 Oct 2026 → 5 Oct 2026WestJet · 1 stop · 19:35Last checked: 11 Aug 2026 · Price may change4 nightsView ticket →AA$67221 Aug 2026 → 22 Aug 2026Alaska Airlines · 1 stop · 00:16Last checked: 11 Aug 2026 · Price may change1 nightView ticket →UA$68420 Aug 2026 → 21 Aug 2026United Airlines · 1 stop · 19:35Last checked: 11 Aug 2026 · Price may change1 nightView ticket →UA$68423 Aug 2026 → 24 Aug 2026United Airlines · 1 stop · 05:00Last checked: 11 Aug 2026 · Price may change1 nightView ticket →AA$69522 Aug 2026 → 23 Aug 2026American Airlines · 1 stop · 12:46Last checked: 11 Aug 2026 · Price may change1 nightView ticket →FA$69619 Aug 2026 → 20 Aug 2026Frontier Airlines · 2 stops · 20:53Last checked: 11 Aug 2026 · Price may change1 nightView ticket →FA$70718 Aug 2026 → 19 Aug 2026Frontier Airlines · 2 stops · 20:53Last checked: 11 Aug 2026 · Price may change1 nightView ticket →AA$84914 Aug 2026 → 15 Aug 2026American Airlines · 1 stop · 11:48Last checked: 11 Aug 2026 · Price may change1 nightView ticket →Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
Seattle → TorontoThu 1 Oct 2026 · $413
Find flightsRoute facts
Direct flights
Non-stop
BFI - YHM, 4h 47m
Airlines seen
5
American Airlines, Alaska Airlines, Frontier Airlines, United Airlines
Cheapest month
November 2026
$292
Average observed
$713
Typical duration
4h 47m
Alternative airports
3
SEA, YTZ, YYZ
Frequently asked
Are there direct flights from Seattle to Toronto?+−
Yes. We have seen non-stop flights on this route, flown by Air Canada.
How much is a flight from Seattle to Toronto?+−
The lowest fare we have observed is $413, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Seattle to Toronto?+−
These are the carriers we have seen on the route: American Airlines, Alaska Airlines, Frontier Airlines, United Airlines, WestJet.
When is the cheapest month to fly from Seattle to Toronto?+−
In our observations November 2026 is the cheapest month so far, at $292.
Similar routes
Last checked: 11 Aug 2026