United States

San Francisco

Montréal → San Francisco

$644Round trip

Apr 18Apr 21, 20273 nights

Good deal$616below typical

49% lessTypical fare $1,260

DepartureSun, Apr 18, 2027

06:45YUL

9h 0m1 stop

12:45SFO

Porter AirlinesLayover in Toronto · 1h 35m

ReturnWed, Apr 21, 2027

12:00SFO

8h 21m1 stop

23:21YUL

Air CanadaLayover in Toronto · 1h 58m

The price, in perspective

7 days before and after Apr 18

Daily minimumDaily averageCheaper dates

Your trip$644

Same cities and travel dates. Airlines and flight times may change.

Observed price

Now$644

Previous price $633 → Now $644

$11 higher than first seen on Oct 24.

Recorded observations · Not a forecast

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Observed Oct 24, 2026, 1:07 p.m. · Recheck live price before booking.