Cheap Flights from Montreal, QC to San Francisco, CA from $136

On Cheapflightsplus.com you will find 9 direct and 754 connecting flights from Montreal to San Francisco. You can compare airfare deals from 9 airlines and multiple travel sites from $136, book and save on cheap plane tickets and last minute offers. Also check out YMQ-SFO flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Montreal to San Francisco Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $136 (one-way), $233 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Montreal to San Francisco. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
08:05 — 11:11
08:05 — 11:11 UA8339 United Airlines
Montreal — San Francisco
6h 6m
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from$147
08:05 — 11:15
08:05 — 11:15 AC761 Air Canada
Montreal — San Francisco
6h 10m
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from$201
16:45 — 19:51
16:45 — 19:51 UA8079 United Airlines
Montreal — San Francisco
6h 6m
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from$152
16:45 — 19:57
16:45 — 19:57 AC763 Air Canada
Montreal — San Francisco
6h 12m
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from$201
18:30 — 21:40
18:30 — 21:40 UA2016 United Airlines
Montreal — San Francisco
6h 10m
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from$147
18:30 — 21:42
18:30 — 21:42 UA2416 United Airlines
Montreal — San Francisco
6h 12m
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from$156
18:30 — 21:40
18:30 — 21:40 UA1932 United Airlines
Montreal — San Francisco
6h 10m
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from$168
18:30 — 21:42
18:30 — 21:42 UA1318 United Airlines
Montreal — San Francisco
6h 12m
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from$168
18:30 — 21:42
18:30 — 21:42 AC3108 Air Canada
Montreal — San Francisco
6h 12m
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from$201
06:45 — 12:23
06:45 — 08:13 PD102 Porter Airlines
Montreal — Toronto
1h 32m stop
09:45 — 12:30 PD669 Porter Airlines
Toronto — San Francisco
8h 38m
including layover
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from$136
09:30 — 15:23
09:15 — 11:13 UA3590 United Airlines
Montreal — Washington D.C.
1h 19m stop
12:35 — 15:23 UA1434 United Airlines
Washington D.C. — San Francisco
8h 53m
including layover
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from$155
09:30 — 17:49
09:15 — 11:14 UA3590 United Airlines
Montreal — Washington D.C.
3h 44m stop
14:53 — 17:40 UA2862 United Airlines
Washington D.C. — San Francisco
11h 19m
including layover
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from$155
13:15 — 18:28
13:15 — 14:51 UA8094 United Airlines
Montreal — Chicago
57m stop
15:54 — 18:44 UA1168 United Airlines
Chicago — San Francisco
8h 13m
including layover
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from$161
13:15 — 19:03
13:15 — 14:50 UA8094 United Airlines
Montreal — Chicago
1h 35m stop
16:25 — 19:03 UA2475 United Airlines
Chicago — San Francisco
8h 48m
including layover
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from$163
14:00 — 21:05
14:00 — 15:51 UA8372 United Airlines
Montreal — Washington D.C.
2h 9m stop
18:00 — 21:05 UA699 United Airlines
Washington D.C. — San Francisco
10h 5m
including layover
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from$161
14:20 — 00:57
+1 day
14:20 — 16:19 UA3414 United Airlines
Montreal — Washington D.C.
5h 49m stop
22:09 — 00:58 UA367 United Airlines
Washington D.C. — San Francisco
13h 37m
including layover
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from$141
16:05 — 20:54
16:05 — 18:20 UA8127 United Airlines
Montreal — Denver
52m stop
19:45 — 21:30 UA2681 United Airlines
Denver — San Francisco
7h 49m
including layover
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from$161
17:30 — 11:54
+1 day
17:30 — 20:14 WS213 WestJet
Montreal — Calgary
13h 38m stop
10:05 — 12:05 WS1508 WestJet
Calgary — San Francisco
21h 24m
including layover
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from$150
18:40 — 23:56
18:40 — 20:12 UA8687 United Airlines
Montreal — Chicago
59m stop
21:09 — 23:59 UA2106 United Airlines
Chicago — San Francisco
8h 16m
including layover
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from$155
20:00 — 09:49
+1 day
20:00 — 21:53 UA8366 United Airlines
Montreal — Washington D.C.
9h 9m stop
07:00 — 09:50 UA369 United Airlines
Washington D.C. — San Francisco
16h 49m
including layover
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from$161
06:45 — 19:43
06:45 — 08:10 PD102 Porter Airlines
Montreal — Toronto
2h 27m stop
09:25 — 12:03 PD663 Porter Airlines
Toronto — Los Angeles
5h 8m stop
18:39 — 20:05 F94593 Frontier Airlines
Los Angeles — San Francisco
15h 58m
including layover
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from$141
08:10 — 19:44
+1 day
08:10 — 10:50 WS589 WestJet
Montreal — Vancouver
21h 55m stop
08:45 — 11:45 WS1696 WestJet
Vancouver — Los Angeles
6h 23m stop
18:08 — 19:44 F94593 Frontier Airlines
Los Angeles — San Francisco
38h 34m
including layover
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from$151
17:30 — 13:57
+1 day
17:30 — 20:14 WS213 WestJet
Montreal — Calgary
1h 43m stop
22:00 — 22:35 WS133 WestJet
Calgary — Vancouver
12h 54m stop
11:30 — 13:59 WS1774 WestJet
Vancouver — San Francisco
23h 27m
including layover
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from$156
19:40 — 12:23
+1 day
19:40 — 22:30 PD389 Porter Airlines
Montreal — Calgary
1h 25m stop
23:55 — 05:51 PD364 Porter Airlines
Calgary — Toronto
3h 54m stop
09:45 — 12:23 PD669 Porter Airlines
Toronto — San Francisco
19h 43m
including layover
Find flight
from$146
*Departure and arrival times - local. Updated on June 5, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Montreal to San Francisco depends on and how to choose the most interesting flight option for you.

Distance between Montreal and San Francisco is 4090 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 23:25 from 4 Montreal airports and arrive 05:00 to 23:25 to 3 San Francisco airports. Average flight time is 6h 10m.

  • The fastest flight 6h 6m
  • Average flight time 6h 10m
  • The earliest flight 05:00
  • The latest flight 23:25
  • Distance 2542 ml

The cheapest months to travel to San Francisco are may (from 162 $), september (from 182 $), june (from 188 $).

The most expensive months are december (from 305 $), november (from 304 $), february (from 282 $).

What is the lowest airfare Montreal to San Francisco?

The cheapest plane ticket found by our users is $136. This airfare is for economy class on one-way PD102 flight by Porter Airlines for September 27, 2025 which leaves Pierre Elliott Trudeau in Montreal at 06:45 am and arrives at San Francisco San Francisco at 12:23.

Economy class
$136
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Business class
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First class
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Popular Airlines on the Route

The flight Montreal — San Francisco is served by 9 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 131 departures per week at the price of from $ 162 . And the most expensive tickets are offered by Finnair airline - from $ 3123.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is UA8339 by United Airlines takes 6h 6m and the cheapest is PD102 by Porter Airlines for $147.

  • AC - Air Canada
    from $201
    Find
  • UA - United Airlines
    from $147
    Find
See more direct flights

Connecting Flights

There are 754 flights with layovers on the route. The fastest connecting flight is UA8127 by United Airlines takes 7h 49m and the cheapest is PD102 by Porter Airlines for $136.

  • AC - Air Canada
    from $162
    Find
  • PD - Porter Airlines
    from $136
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  • AV - Avianca
    from $303
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  • AY - Finnair
    from $2914
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  • IB - Iberia
    from $2358
    Find
  • UA - United Airlines
    from $141
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  • WS - WestJet
    from $147
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  • AM - Aeromexico
    from $331
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  • TS - Air Transat
    from $183
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See more connecting flights

Airports

You can fly from Montreal to San Francisco from 4 airports (St Lambert Rail Svce., Pierre Elliott Trudeau, Mirabel, St Hubert).

Montreal airports

  • St Lambert Rail Svce.-XLM
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  • Pierre Elliott Trudeau-YUL
    from $136
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  • Mirabel-YMX
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  • St Hubert-YHU
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San Francisco airports

  • San Francisco-SFO
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  • Embarkadero-EMB
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  • China Basin Heliport-JCC
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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