Cheap Flights from Montreal, QC to San Francisco, CA from $155

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On Cheapflightsplus.com you will find 9 direct and 873 connecting flights from Montreal to San Francisco. You can compare airfare deals from 9 airlines and multiple travel sites from $155, 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: $155 (one-way), $266 (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 $155. The fastest direct flight takes 6h 6m and the fastest connecting – 7h 49m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $155 Find flight	18:30 Montreal Pierre Elliott Trudeau	21:42 San Francisco San Francisco	6h 12m	United Airlines	UA1318
from $190 Find flight	08:05 Montreal Pierre Elliott Trudeau	11:11 San Francisco San Francisco	6h 6m	United Airlines	UA8339
from $258 Find flight	08:05 Montreal Pierre Elliott Trudeau	11:15 San Francisco San Francisco	6h 10m	Air Canada	AC761
from $165 Find flight	06:00 Montreal Pierre Elliott Trudeau	11:23 San Francisco San Francisco	8h 23m layover 0h 52m - Newark	United Airlines	UA3456 UA1777
from $175 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 $179 Find flight	08:30 Montreal Pierre Elliott Trudeau	17:23 San Francisco San Francisco	11h 53m layover 1h 41m - Washington D.C. 1h 18m - Chicago	United Airlines	UA8107 UA1577 UA1577
from $181 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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 16, 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
06:00 — 11:23	06:00 — 07:33 UA3456 United Airlines Montreal — Newark 52m stop 08:25 — 11:23 UA1777 United Airlines Newark — San Francisco	8h 23m including layover	Find flight from$165
06:00 — 13:48	06:00 — 07:33 UA3456 United Airlines Montreal — Newark 3h 2m stop 10:35 — 13:48 UA648 United Airlines Newark — San Francisco	10h 48m including layover	Find flight from$165
06:15 — 13:22	06:15 — 07:59 UA3600 United Airlines Montreal — Chicago 2h 36m stop 10:35 — 13:22 UA343 United Airlines Chicago — San Francisco	10h 7m including layover	Find flight from$165
08:05 — 11:11	08:05 — 11:11 UA8339 United Airlines Montreal — San Francisco	6h 6m	Find flight from$190
08:05 — 11:15	08:05 — 11:15 AC761 Air Canada Montreal — San Francisco	6h 10m	Find flight from$258
08:10 — 14:39	08:10 — 09:46 UA8487 United Airlines Montreal — Newark 1h 42m stop 11:30 — 14:43 UA1343 United Airlines Newark — San Francisco	9h 29m including layover	Find flight from$165
08:10 — 16:25	08:10 — 09:46 UA8487 United Airlines Montreal — Newark 3h 44m stop 13:30 — 16:25 UA1227 United Airlines Newark — San Francisco	11h 15m including layover	Find flight from$165
09:15 — 18:48	09:15 — 11:14 UA3590 United Airlines Montreal — Washington D.C. 4h 46m stop 16:00 — 18:48 UA2142 United Airlines Washington D.C. — San Francisco	12h 33m including layover	Find flight from$165
09:45 — 15:33	09:45 — 11:24 UA2640 United Airlines Montreal — Chicago 1h 22m stop 12:48 — 15:35 UA1878 United Airlines Chicago — San Francisco	8h 48m including layover	Find flight from$165
16:45 — 19:51	16:45 — 19:51 UA8079 United Airlines Montreal — San Francisco	6h 6m	Find flight from$194
16:45 — 19:57	16:45 — 19:57 AC763 Air Canada Montreal — San Francisco	6h 12m	Find flight from$258
18:30 — 21:42	18:30 — 21:42 UA1318 United Airlines Montreal — San Francisco	6h 12m	Find flight from$155
18:30 — 21:40	18:30 — 21:40 UA2016 United Airlines Montreal — San Francisco	6h 10m	Find flight from$190
18:30 — 21:42	18:30 — 21:42 UA2416 United Airlines Montreal — San Francisco	6h 12m	Find flight from$199
18:30 — 21:40	18:30 — 21:40 UA1932 United Airlines Montreal — San Francisco	6h 10m	Find flight from$215

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

*Departure and arrival times - local. Updated on September 16, 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 155 $), september (from 175 $), june (from 181 $).

The most expensive months are december (from 292 $), november (from 292 $), february (from 270 $).

What is the lowest airfare Montreal to San Francisco?

The cheapest plane ticket found by our users is $155. This airfare is for economy class on one-way UA1318 flight by United Airlines for June 6, 2025 which leaves Pierre Elliott Trudeau in Montreal at 18:30 am and arrives at San Francisco San Francisco at 21:42.

Economy class

$155

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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 - 179 departures per week at the price of from $ 208 . And the most expensive tickets are offered by Finnair airline - from $ 3998.

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 UA1318 by United Airlines for $155.

AC - Air Canada

from $258

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UA - United Airlines

from $155

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Connecting Flights

There are 873 flights with layovers on the route. The fastest connecting flight is UA8127 by United Airlines takes 7h 49m and the cheapest is UA1318 by United Airlines for $165.

AC - Air Canada

from $208

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PD - Porter Airlines

from $175

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AV - Avianca

from $389

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AY - Finnair

from $3729

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IB - Iberia

from $2892

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UA - United Airlines

from $165

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WS - WestJet

from $189

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AM - Aeromexico

from $425

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TS - Air Transat

from $235

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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 $155
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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 9 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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