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Cheap flights from Toronto (YYZ) to Seattle (SEA)

YYZ Toronto
SEA Seattle
10
Flights
$384
Lowest
$627
Average
Oct 11, 2026 - Feb 24, 2027
Date Range
Close to its typical low Check live prices Alert me on this route

Round-trip Toronto to Seattle currently starts at $384 CAD with taxes included, averaging $627 across 10 tracked fares departing Oct 11, 2026 to Feb 24, 2027.

YYZ to SEA price history

Cheapest right now $384
Typical low $387
51-day range $347 to $636

Close to this route’s typical low ($387).

Aug 30, 2026 Typical low $387 Sep 29, 2026

Prices on this route swing 45% between their best and worst day. Get an alert when it drops

· FareSeeker tracking data: 10 fares monitored on this route by our own collector, refreshed several times daily.

The 5 cheapest fares right now

Dates Trip Airline Stops Price
Oct 11, 2026 → Oct 19, 2026 8 nights WS WestJet 2 $384 CAD
Jan 21, 2027 → Jan 27, 2027 6 nights WS WestJet 1 $588 CAD
Jan 17, 2027 → Jan 27, 2027 10 nights WS WestJet 1 $588 CAD
Jan 21, 2027 → Jan 26, 2027 5 nights AS Alaska Airlines 1 $588 CAD
Nov 18, 2026 → Dec 2, 2026 14 nights AS Alaska Airlines 1 $616 CAD

All fares are round trip. Exact flight times show on the booking page.

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