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Cheap flights from Montreal (YUL) to San Francisco (SFO)

YUL Montreal
SFO San Francisco
18
Flights
$439
Lowest
$614
Average
Oct 23, 2026 - Mar 11, 2027
Date Range
Close to its typical low Check live prices Alert me on this route

Round-trip Montreal to San Francisco currently starts at $439 CAD with taxes included, averaging $614 across 18 tracked fares departing Oct 23, 2026 to Mar 11, 2027.

YUL to SFO price history

Cheapest right now $439
Typical low $439
51-day range $385 to $590

Close to this route’s typical low ($439).

Aug 30, 2026 Typical low $439 Sep 29, 2026

Prices on this route swing 35% between their best and worst day. Get an alert when it drops

↑ Trending up: 7.3% above the last 30-day average.

· FareSeeker tracking data: 18 fares monitored on this route by our own collector, refreshed several times daily.

The 5 cheapest fares right now

Dates Trip Airline Stops Price
Dec 3, 2026 → Dec 10, 2026 7 nights PD Porter Airlines 2 $439 CAD
Nov 25, 2026 → Dec 10, 2026 15 nights PD Porter Airlines 2 $439 CAD
Nov 20, 2026 → Dec 4, 2026 14 nights PD Porter Airlines 2 $441 CAD
Nov 24, 2026 → Dec 4, 2026 10 nights PD Porter Airlines 2 $441 CAD
Dec 2, 2026 → Dec 8, 2026 6 nights PD Porter Airlines 2 $462 CAD

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

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