Cheap Flights from Montreal, QC to San Francisco, CA from $138

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On Cheapflightsplus.com you will find 8 direct and 655 connecting flights from Montreal to San Francisco. You can compare airfare deals from 8 airlines and multiple travel sites from $138, 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: $138 (one-way), $237 (round-trip).

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Best Flights from Montreal to San Francisco Today

Take a look at the list of non stop flights and flights with layovers from Montreal to San Francisco with the lowest price of $138. The fastest direct flight takes 6h 6m and the fastest connecting – 7h 49m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $150 Find flight	08:05 Montreal Pierre Elliott Trudeau	11:11 San Francisco San Francisco	6h 6m	United Airlines	UA8339
from $150 Find flight	18:30 Montreal Pierre Elliott Trudeau	21:40 San Francisco San Francisco	6h 10m	United Airlines	UA2016
from $154 Find flight	16:45 Montreal Pierre Elliott Trudeau	19:51 San Francisco San Francisco	6h 6m	United Airlines	UA8079
from $158 Find flight	18:30 Montreal Pierre Elliott Trudeau	21:42 San Francisco San Francisco	6h 12m	United Airlines	UA2416
from $255 Find flight	08:05 Montreal Pierre Elliott Trudeau	11:15 San Francisco San Francisco	6h 10m	Air Canada	AC761
from $336 Find flight	18:30 Montreal Pierre Elliott Trudeau	21:42 San Francisco San Francisco	6h 12m	Air Canada	AC3108
from $409 Find flight	16:45 Montreal Pierre Elliott Trudeau	19:57 San Francisco San Francisco	6h 12m	Air Canada	AC763
from $138 Find flight	06:45 Montreal Pierre Elliott Trudeau	12:23 San Francisco San Francisco	8h 38m layover 1h 32m - Toronto	Porter Airlines	PD102 PD669
from $153 Find flight	17:30 Montreal Pierre Elliott Trudeau	11:54+1 день San Francisco San Francisco	21h 24m layover 13h 38m - Calgary	WestJet	WS213 WS1508
from $158 Find flight	08:20 Montreal Pierre Elliott Trudeau	13:35 San Francisco San Francisco	8h 15m layover 0h 58m - Chicago	United Airlines	UA8371 UA343
from $158 Find flight	18:40 Montreal Pierre Elliott Trudeau	23:56 San Francisco San Francisco	8h 16m layover 0h 59m - Chicago	United Airlines	UA8687 UA2106
from $158 Find flight	09:30 Montreal Pierre Elliott Trudeau	15:23 San Francisco San Francisco	8h 53m layover 1h 19m - Washington D.C.	United Airlines	UA3590 UA1434
from $143 Find flight	06:45 Montreal Pierre Elliott Trudeau	19:43 San Francisco San Francisco	15h 58m layover 2h 27m - Toronto 5h 8m - Los Angeles	Porter Airlines	PD102 PD663 F94593
from $148 Find flight	19:40 Montreal Pierre Elliott Trudeau	12:23+1 день San Francisco San Francisco	19h 43m layover 1h 25m - Calgary 3h 54m - Toronto	Porter Airlines	PD389 PD364 PD669
from $150 Find flight	06:45 Montreal Pierre Elliott Trudeau	14:48 San Francisco San Francisco	11h 3m layover 0h 49m - Toronto 1h 23m - Edmonton	WestJet	WS579 WS421 WS1030
from $154 Find flight	08:10 Montreal Pierre Elliott Trudeau	19:44+1 день San Francisco San Francisco	38h 34m layover 21h 55m - Vancouver 6h 23m - Los Angeles	WestJet	WS589 WS1696 F94593

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 25, 2025

Flight Schedule Montreal (Quebec) to San Francisco (California)

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	Flight Details	Flight Duration	Price
08:05 — 11:11	08:05 — 11:11 UA8339 United Airlines Montreal — San Francisco	6h 6m	Find flight from$150
08:05 — 11:15	08:05 — 11:15 AC761 Air Canada Montreal — San Francisco	6h 10m	Find flight from$255
16:45 — 19:51	16:45 — 19:51 UA8079 United Airlines Montreal — San Francisco	6h 6m	Find flight from$154
16:45 — 19:57	16:45 — 19:57 AC763 Air Canada Montreal — San Francisco	6h 12m	Find flight from$409
18:30 — 21:40	18:30 — 21:40 UA2016 United Airlines Montreal — San Francisco	6h 10m	Find flight from$150
18:30 — 21:42	18:30 — 21:42 UA2416 United Airlines Montreal — San Francisco	6h 12m	Find flight from$158
18:30 — 21:40	18:30 — 21:40 UA1932 United Airlines Montreal — San Francisco	6h 10m	Find flight from$170
18:30 — 21:42	18:30 — 21:42 AC3108 Air Canada Montreal — San Francisco	6h 12m	Find flight from$336
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	Find flight from$138
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	Find flight from$158
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	Find flight from$158
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	Find flight from$163
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	Find flight from$165
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	Find flight from$163
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	Find flight from$163
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	Find flight from$153
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	Find flight from$163
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	Find flight from$143
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	Find flight from$154
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	Find flight from$158
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$148

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on June 25, 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 164 $), september (from 185 $), june (from 191 $).

The most expensive months are december (from 309 $), november (from 309 $), february (from 286 $).

What is the lowest airfare Montreal to San Francisco?

The cheapest plane ticket found by our users is $138. 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

$138

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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 8 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 92 departures per week at the price of from $ 186 . And the most expensive tickets are offered by Finnair airline - from $ 3172.

Direct flights

There are 8 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 $150.

AC - Air Canada

from $255

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UA - United Airlines

from $150

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Connecting Flights

There are 655 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 $138.

AC - Air Canada

from $186

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PD - Porter Airlines

from $138

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AV - Avianca

from $409

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AY - Finnair

from $2959

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WS - WestJet

from $150

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UA - United Airlines

from $158

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AM - Aeromexico

from $336

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TS - Air Transat

from $186

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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 $138
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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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Airplanes

There are flights to San Francisco from Montreal by 8 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from Montreal

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Montreal — New York

from $73

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Montreal — Miami

from $60

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Montreal — Boston

from $68

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Montreal — Los Angeles

from $73

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Montreal — Las Vegas

from $56

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Montreal — Orlando

from $80

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Montreal — Chicago

from $75

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Montreal — San Francisco

from $77

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Montreal — Tampa

from $70

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Montreal — Washington D.C.

from $72

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How to book a plane 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.
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