Cheap Flights from Montreal, QC to San Francisco, CA from $191

On Cheapflightsplus.com you will find 3 direct and 111 connecting flights from Montreal to San Francisco. You can compare airfare deals from 6 airlines and multiple travel sites from $191, 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.

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 06:00 to 22:45 from 4 Montreal airports and arrive 06:00 to 22:45 to 3 San Francisco airports. Average flight time is 6h 6m.

  • The fastest flight 6h 6m
  • Average flight time 6h 6m
  • The earliest flight 06:00
  • The latest flight 22:45
  • Distance 2542 ml

The cheapest months to travel to San Francisco are september (from 191 $), october (from 196 $), august (from 200 $).

The most expensive months are november (from 305 $), august (from 200 $), october (from 196 $).

What is the lowest airfare Montreal to San Francisco?

The cheapest plane ticket found by our users is $191. This airfare is for economy class on one-way UA2016 flight by United Airlines for October 23, 2025 which leaves Pierre Elliott Trudeau in Montreal at 18:30 am and arrives at San Francisco San Francisco at 21:40.

Economy class
$191
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Business class
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First class
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Flight Schedule Montreal (Quebec) to San Francisco (California)

06:45 — 21:24
17h 39m flight time
Find flight
from$212
06:45 — 08:11 Montreal — Toronto
WS579 WestJet
5h 20m stop
13:30 — 15:48 Toronto — Calgary
WS661 WestJet
3h 35m stop
19:25 — 21:25 Calgary — San Francisco
WS1520 WestJet
06:45 — 21:24
17h 39m flight time
Find flight
from$214
06:45 — 08:11 Montreal — Toronto
WS579 WestJet
50m stop
09:00 — 11:20 Toronto — Calgary
WS651 WestJet
8h 4m stop
19:25 — 21:25 Calgary — San Francisco
WS1520 WestJet
06:45 — 21:24
17h 39m flight time
Find flight
from$214
06:45 — 08:10 Montreal — Toronto
WS579 WestJet
1h 50m stop
10:00 — 12:20 Toronto — Calgary
WS655 WestJet
7h 4m stop
19:25 — 21:25 Calgary — San Francisco
WS1520 WestJet
06:45 — 21:24
17h 39m flight time
Find flight
from$214
06:45 — 08:11 Montreal — Toronto
WS579 WestJet
2h 50m stop
11:00 — 13:20 Toronto — Calgary
WS657 WestJet
6h 4m stop
19:25 — 21:25 Calgary — San Francisco
WS1520 WestJet
06:45 — 11:54+1day
32h 9m flight time
Find flight
from$214
06:45 — 08:11 Montreal — Toronto
WS579 WestJet
50m stop
09:00 — 11:20 Toronto — Calgary
WS651 WestJet
22h 34m stop
10:05 — 12:05 Calgary — San Francisco
WS1508 WestJet
06:45 — 11:54+1day
32h 9m flight time
Find flight
from$215
06:45 — 08:10 Montreal — Toronto
WS579 WestJet
1h 50m stop
10:00 — 12:20 Toronto — Calgary
WS655 WestJet
21h 34m stop
10:05 — 12:05 Calgary — San Francisco
WS1508 WestJet
08:05 — 11:11
6h 6m flight time
Find flight
from$191
Montreal — San Francisco
UA8339 United Airlines
09:15 — 15:23
9h 8m flight time
Find flight
from$200
09:15 — 11:13 Montreal — Washington D.C.
UA3590 United Airlines
1h 22m stop
12:35 — 15:23 Washington D.C. — San Francisco
UA1434 United Airlines
09:15 — 17:50
11h 35m flight time
Find flight
from$200
09:15 — 11:14 Montreal — Washington D.C.
UA3590 United Airlines
3h 47m stop
14:53 — 17:40 Washington D.C. — San Francisco
UA2862 United Airlines
09:15 — 18:50
12h 35m flight time
Find flight
from$213
09:30 — 11:16 Montreal — Washington D.C.
UA3590 United Airlines
4h 47m stop
16:00 — 18:49 Washington D.C. — San Francisco
UA796 United Airlines
16:45 — 19:51
6h 6m flight time
Find flight
from$196
Montreal — San Francisco
UA8079 United Airlines
17:30 — 11:54+1day
21h 24m flight time
Find flight
from$194
17:30 — 20:14 Montreal — Calgary
WS213 WestJet
13h 38m stop
10:05 — 12:05 Calgary — San Francisco
WS1508 WestJet
17:30 — 21:24+1day
30h 54m flight time
Find flight
from$203
17:30 — 20:14 Montreal — Calgary
WS213 WestJet
23h 8m stop
19:25 — 21:25 Calgary — San Francisco
WS1520 WestJet
18:30 — 21:40
6h 10m flight time
Find flight
from$191
Montreal — San Francisco
UA2016 United Airlines
20:00 — 09:49+1day
16h 49m flight time
Find flight
from$207
20:00 — 21:53 Montreal — Washington D.C.
UA8366 United Airlines
9h 9m stop
07:00 — 09:50 Washington D.C. — San Francisco
UA369 United Airlines
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 and arrival times - local. Updated on October 27, 2025.

Popular Airlines on the Route

The flight Montreal — San Francisco is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 1 departures per week at the price of from $ 628 . And the most expensive tickets are offered by TAP Portugal airline - from $ 2052.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is UA8339 by United Airlines takes 6h 6m and the cheapest is UA2016 by United Airlines for $191.

  • UA - United Airlines
    from $191
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Connecting Flights

There are 111 flights with layovers on the route. The fastest connecting flight is UA3549 by United Airlines takes 8h 36m and the cheapest is UA2016 by United Airlines for $194.

  • AC - Air Canada
    from $628
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  • PD - Porter Airlines
    from $221
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  • WS - WestJet
    from $194
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  • UA - United Airlines
    from $200
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  • TP - TAP Portugal
    from $2052
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  • TS - Air Transat
    from $297
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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 $191
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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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