What percentage of Montreal to San Francisco flights are direct?

Across the trailing quarter, approximately 19.3% of flights from Montreal to San Francisco are direct. For flights that include stopovers, travelers typically experience 2 stops. This data reflects historical trends over a 90-day period for this route.

How many hours is the flight from Montreal to San Francisco?

A direct flight from Montreal to San Francisco typically takes 6 hours and 15 minutes. This corresponds to a median flight time of 375 minutes for non-stop journeys. Flights with one stop generally have a median duration of 9 hours and 40 minutes, or 580 minutes. The approximate distance covered on this route is 4077 kilometers.

Is it cheaper to fly direct or with a layover from Montreal to San Francisco?

Historically, it is generally cheaper to fly with a layover from Montreal to San Francisco. Connecting flights have a median price of $370, while direct flights have a median price of $419. This means that direct flights are typically 13% more expensive than flights with layovers. Direct flights constitute about 21.5% of the total flights on this route, based on data from the trailing 90 days.

Flights From Montreal

To San Francisco

Cheap Flights from Montreal to San Francisco

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Prices updated 2 days ago

405 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Montreal to San Francisco

Explore current cheapest deals departing from Montreal to San Francisco

2026-08-19 – 2026-08-26
YMQ - San Francisco
89% AI deal score
CA$620
CA$435
Round trip
2026-09-02 – 2026-09-09
YMQ - San Francisco
89% AI deal score
CA$652
CA$440
Round trip
2026-09-16 – 2026-09-30
YMQ - San Francisco
88% AI deal score
CA$618
CA$443
Round trip
2026-10-14 – 2026-10-21
YMQ - San Francisco
89% AI deal score
CA$664
CA$447
Round trip
2026-08-18 – 2026-08-25
YMQ - San Francisco
88% AI deal score
CA$620
CA$466
Round trip
2026-09-25 – 2026-09-30
YMQ - San Francisco
89% AI deal score
CA$680
CA$466
Round trip
2026-09-02 – 2026-09-16
YMQ - San Francisco
86% AI deal score
CA$603
CA$466
Round trip
2026-09-23 – 2026-09-24
YMQ - San Francisco
89% AI deal score
CA$678
CA$474
Round trip
2026-09-23 – 2026-09-25
YMQ - San Francisco
89% AI deal score
CA$679
CA$474
Round trip
2026-09-23 – 2026-09-27
YMQ - San Francisco
89% AI deal score
CA$678
CA$474
Round trip

Montreal to San Francisco: Overview

Insights for flights from Montreal to San Francisco

A typical journey from Montreal to San Francisco takes about 11h 55m, including connections. This is a significant travel time, reflecting the long distance between these two cities. Given that most itineraries involve at least one stop, the overall duration can vary depending on the layover times and the number of connections.

For travelers seeking cheap flights from Montreal to San Francisco, fares typically range from $345–$726, with a median of $460. Right now, current fares are significantly above the typical level, indicating a less opportune time for finding the lowest prices. Despite this, about 32% of recent fares were still classified as a good price, suggesting that deals can still be found with diligent searching. New deals appear almost daily, offering frequent opportunities to monitor price fluctuations.

When considering the cheapest time to fly from Montreal to San Francisco, April stands out as the most affordable month, with a median fare of just $254. Following closely, January offers competitive prices with a median of $264, and May also presents a good option at a median of $302. These months represent the best opportunities to secure lower fares for this route.

Most itineraries for flights from Montreal to San Francisco connect at least once, with only 19.3% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means that travelers should generally expect to make at least one stop, and often two, when flying this route, which contributes to the overall journey time.

The distance between Montreal and San Francisco is approximately 4077 kilometers. This classifies the route as a long-haul journey, which typically involves longer flight times and often requires connecting flights due to the extensive distance covered.

How much is a round trip from Montreal to San Francisco

Regular price: CA$495 - CA$1,359

Prices are currently below the regular range for flights from Montreal to San Francisco.

The regular price range for flights from Montreal to San Francisco is CAD 495 to CAD 1359. The current lowest deal is CAD 442 with WestJet for travel from Sep 16-Sep 30.

now CA$442

Low CA$495

High CA$1,359

The cheapest time to fly from Montreal to San Francisco

The cheapest month to fly from Montreal to San Francisco is April, with a median price of $254. The most expensive month is July, with a median price of $776. Prices are generally lower from January to October.

April

Cheapest

Flights from CA$254

July

Most Expensive

Flights from CA$776

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Montreal to San Francisco

Air Canada

Last-minute flights going from Montreal to San Francisco

Wed, Aug 19

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$629

CA$507

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$652

CA$482

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$651

CA$492

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$639

CA$503

One-way

Fri, Aug 21

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$651

CA$492

One-way

Tue, Sep 1

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$657

CA$483

One-way

Biggest price drops on these dates for flights from Montreal to San Francisco

6 nights

Dec 3 - Dec 9

CA$1,244 → CA$582

53%

7 nights

Dec 3 - Dec 10

CA$1,244 → CA$582

53%

8 nights

Dec 3 - Dec 11

CA$1,232 → CA$582

53%

9 nights

Dec 3 - Dec 12

CA$1,231 → CA$582

53%

Popular Airports to fly from Montreal to San Francisco

Montreal - San Francisco route insights

💸 Price insights

Recent fares are above the typical level

Recent YMQ to SFO fares are above the typical level, with 32% of recent fares considered good.

📅 Best time to fly

April is historically the cheapest month to fly

Historically, April is the cheapest month to fly from Montreal to San Francisco, with a median price of $254.

⏱️ Flight duration

Flights are typically 11h 55m long

The typical flight duration from Montreal to San Francisco is 11 hours and 55 minutes.

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights are dominant, with 19.3% direct flights and a median of 2 stopovers when connecting.

🏆 Airline highlight

Air Canada offers direct flights

Air Canada offers direct flights from Montreal to San Francisco.

🎯 Booking tip

Deals appear frequently for this route

Deals for flights from Montreal to San Francisco appear frequently.

Montreal main airports to depart from

Montréal–Pierre Elliott Trudeau International (YUL)

Cheapest

Montréal–Pierre Elliott Trudeau International is a convenient option for flights from Montreal to San Francisco.

📍 ~15 km from city center (reachable by car or bus)

💸 Flights from ~$351

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a primary gateway to San Francisco, offering convenient access to the city.

📍 ~20 km from San Francisco (reachable by car)

💸 Flights from ~$351

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative with an extensive domestic network and direct BART rail connection.

📍 ~20 km from San Francisco (reachable by car or public transit)

💸 Flights from ~CA$585

Business & First Class Flight Deals to San Francisco

93% AI deal score

$1,447

$767

Save $680

Frequently Asked Questions About Flights to San Francisco

Historically, the best time to book a flight from Montreal to San Francisco is typically 7-13 days before departure. Flights booked within this window have an average price of $359. Booking 0-6 days out sees an average price of $586, while booking 28-59 days in advance typically results in an average price of $590. These trends are observed across the trailing 90 days of flight data.

A good price for a flight from Montreal to San Francisco is considered to be $345 or less. Historically, this price point represents the 25th percentile of all observed fares. The median price for this route across the trailing 90 days is $460, while prices at the 75th percentile are around $726.

Historically, April is typically the best month to fly from Montreal to San Francisco, with a median price of $254. January also offers favorable prices, with a median of $264. The annual median price for this route is $460, based on data from the trailing 270 days. May, with a median price of $302, is also among the more affordable months.

Related routes

More routes from Montreal

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Flights to San Francisco from other cities

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Montreal to San Francisco: Overview

Insights for flights from Montreal to San Francisco

How much is a round trip from Montreal to San Francisco

Regular price: CA$495 - CA$1,359

Prices are currently below the regular range for flights from Montreal to San Francisco.

The regular price range for flights from Montreal to San Francisco is CAD 495 to CAD 1359. The current lowest deal is CAD 442 with WestJet for travel from Sep 16-Sep 30.

now CA$442

Low CA$495

High CA$1,359

The cheapest time to fly from Montreal to San Francisco

April

Cheapest

Flights from CA$254

July

Most Expensive

Flights from CA$776

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Montreal to San Francisco

Air Canada

Last-minute flights going from Montreal to San Francisco

Wed, Aug 19

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$629

CA$507

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$652

CA$482

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$651

CA$492

One-way

Thu, Aug 20

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$639

CA$503

One-way

Fri, Aug 21

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$651

CA$492

One-way

Tue, Sep 1

⌛ Last-Minute

YUL - San Francisco

Montreal (YUL) - San Francisco (SFO)

WestJet

CA$657

CA$483

One-way

Biggest price drops on these dates for flights from Montreal to San Francisco

6 nights

Dec 3 - Dec 9

CA$1,244 → CA$582

53%

7 nights

Dec 3 - Dec 10

CA$1,244 → CA$582

53%

8 nights

Dec 3 - Dec 11

CA$1,232 → CA$582

53%

9 nights

Dec 3 - Dec 12

CA$1,231 → CA$582

53%

Popular Airports to fly from Montreal to San Francisco