What percentage of Montreal to San Francisco flights are direct?

In the trailing 90 days, approximately 3.8% of flights from Montreal to San Francisco were direct. This indicates that the vast majority of travelers on this route typically have connecting flights. For those with layovers, the median number of stopovers historically observed is 2. Travelers should anticipate connecting flights when planning this journey.

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

The direct flight from Montreal to San Francisco typically takes about 6 hours and 11 minutes. This non-stop journey covers a distance of 4077 kilometers. For flights with one stop, the median duration extends to approximately 9 hours. Travelers should account for these differences in flight time when planning their trip.

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

Historically, flying with a layover from Montreal to San Francisco has been slightly cheaper, with a median price of $670. Direct flights, which make up about 4% of the available options, have a median price of $692. This represents a premium of approximately 3% for direct routes. Travelers may find more economical options by choosing flights with one or more stops.

Flights From Montreal

To San Francisco

Cheap Flights from Montreal to San Francisco

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Prices updated 7 days ago

482 airlines compared

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

Today’s best flight deals from Montreal to San Francisco

Explore current cheapest deals departing from Montreal to San Francisco

2026-11-19 – 2026-11-25
YMQ - San Francisco
91% AI deal score
CA$767
CA$478
Round trip
2026-11-17 – 2026-11-27
YMQ - San Francisco
90% AI deal score
CA$724
CA$495
Round trip
2026-12-03 – 2026-12-06
YMQ - San Francisco
91% AI deal score
CA$1,145
CA$497
Round trip
2026-11-19 – 2026-11-28
YMQ - San Francisco
89% AI deal score
CA$739
CA$532
Round trip
2027-01-30 – 2027-02-10
YMQ - San Francisco
73% AI deal score
CA$413
CA$533
Round trip
2027-02-09 – 2027-02-27
YMQ - San Francisco
73% AI deal score
CA$391
CA$536
Round trip
2027-01-07 – 2027-01-16
YMQ - San Francisco
74% AI deal score
CA$456
CA$536
Round trip
2027-01-29 – 2027-02-07
YMQ - San Francisco
73% AI deal score
CA$423
CA$537
Round trip
2027-04-08 – 2027-04-15
YMQ - San Francisco
74% AI deal score
CA$508
CA$539
Round trip
2027-01-08 – 2027-01-10
YMQ - San Francisco
88% AI deal score
CA$715
CA$541
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 6h 11m, including connections. Given that most itineraries connect at least once, with a median of 2 stopovers for connecting flights, this overall journey time reflects the common travel experience on this route.

For travelers seeking cheap flights from Montreal to San Francisco, prices typically range from $585–$759, with a median of $670. Right now, fares are above the typical level for this route. New deals appear almost daily, offering frequent opportunities to find better prices.

When considering the cheapest time to fly from Montreal to San Francisco, January stands out as the most affordable month, with a median fare of just $248. Following January, July offers a median fare of $559, and February presents a median of $580, indicating a notable price difference compared to the peak low in January.

The route from Montreal to San Francisco is predominantly served by connecting flights, with only 3.8% of recent itineraries being non-stop. This means that for the vast majority of travelers, their journey will include at least one stopover, with a typical connecting itinerary involving 2 stopovers.

The flight distance between Montreal and San Francisco is approximately 4077 kilometers. This makes it a long-haul route, a classification that typically involves longer flight times and often includes connecting itineraries.

How much is a round trip from Montreal to San Francisco

Regular price: CA$427 - CA$786

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

The regular price range for flights from Montreal to San Francisco is between 427 CAD and 786 CAD. The current lowest deal is 473 CAD with Porter Airlines, for travel from Nov 21-Nov 26.

now CA$473

Low CA$427

High CA$786

The cheapest time to fly from Montreal to San Francisco

The cheapest month to fly from Montreal to San Francisco is January, with a median price of $248. The most expensive month is March, with a median price of $848. Generally, prices are lower from January to November.

January

Cheapest

Flights from CA$248

March

Most Expensive

Flights from CA$848

Jan

Feb

Mar

Apr

May

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Montreal to San Francisco

Air Canada

Last-minute flights going from Montreal to San Francisco

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$716

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$713

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$716

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$763

CA$689

One-way

Wed, Nov 11

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Air Transat

CA$777

CA$605

One-way

Wed, Nov 11

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Air Transat

CA$849

CA$605

One-way

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

3 nights

Dec 3 - Dec 6

CA$1,145 → CA$497

57%

1 night

Dec 3 - Dec 4

CA$1,151 → CA$551

52%

2 nights

Dec 8 - Dec 10

CA$1,142 → CA$560

51%

4 nights

Dec 10 - Dec 14

CA$1,135 → CA$568

50%

Popular Airports to fly from Montreal to San Francisco

Montreal - San Francisco route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Montreal to San Francisco are above the typical level at $473.

📅 Best time to fly

January is historically cheapest at $248

Historically, January is the cheapest month to fly from Montreal to San Francisco, with a median price of $248.

⏱️ Flight duration

Direct flights take 6h 11m

Direct flights from Montreal to San Francisco typically take 6 hours and 11 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers.

🏆 Airline highlight

Porter Airlines has a recent deal

Porter Airlines offered a recent deal for $473 from Montreal to San Francisco.

🎯 Booking tip

Deals are frequent

Deals for flights from Montreal to San Francisco are frequent, appearing within a 30-day window.

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.

📍 ~14 km from city center (reachable by car or bus)

💸 Flights from ~CA$518

Montreal Saint-Hubert Longueuil (YHU)

Montreal Saint-Hubert Longueuil is another airport option for flights from Montreal to San Francisco.

📍 ~12 km from city center (reachable by car or bus)

💸 Flights from ~CA$554

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a good choice for reaching San Francisco and the wider Bay Area.

📍 ~18 km from city center (reachable by car)

💸 Flights from ~CA$517

Airports nearby San Francisco used as alternative

Oakland International (OAK)

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

📍 ~18 km from San Francisco (reachable by BART rail system)

💸 Flights from ~CA$717

Business & First Class Flight Deals to San Francisco

$659

Save $1,024

Air Transat

Business Class

Frequently Asked Questions About Flights to San Francisco

Historically, booking flights from Montreal to San Francisco 60+ days in advance typically offers the lowest average prices, around $651. Prices tend to increase as the departure date approaches. For instance, flights booked 28-59 days out average $681, while those booked within 0-6 days of departure can average as high as $954. Planning ahead by at least two months can lead to considerable savings on this route.

Across the trailing quarter, a good price for a flight from Montreal to San Francisco is considered to be $585 or less. The median price for this route historically stands at $670. Prices can vary, with 75% of deals observed being $759 or less. Travelers aiming for a good deal should target prices around the $585 mark.

Historically, January is the cheapest month to fly from Montreal to San Francisco, with a median price of $248. July also shows a relatively lower median price of $559. In contrast, the annual median price for this route is $670, indicating that certain months offer significant savings. Travelers looking for the most economical options should consider flying in January.

Related routes

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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$427 - CA$786

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

The regular price range for flights from Montreal to San Francisco is between 427 CAD and 786 CAD. The current lowest deal is 473 CAD with Porter Airlines, for travel from Nov 21-Nov 26.

now CA$473

Low CA$427

High CA$786

The cheapest time to fly from Montreal to San Francisco

January

Cheapest

Flights from CA$248

March

Most Expensive

Flights from CA$848

Jan

Feb

Mar

Apr

May

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Montreal to San Francisco

Air Canada

Last-minute flights going from Montreal to San Francisco

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$716

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$713

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$716

CA$652

One-way

Mon, Nov 9

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Porter Airlines

CA$763

CA$689

One-way

Wed, Nov 11

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Air Transat

CA$777

CA$605

One-way

Wed, Nov 11

⌛ Last-Minute

YHU - San Francisco

Montreal (YHU) - San Francisco (SFO)

Air Transat

CA$849

CA$605

One-way

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

3 nights

Dec 3 - Dec 6

CA$1,145 → CA$497

57%

1 night

Dec 3 - Dec 4

CA$1,151 → CA$551

52%

2 nights

Dec 8 - Dec 10

CA$1,142 → CA$560

51%

4 nights

Dec 10 - Dec 14

CA$1,135 → CA$568

50%

Popular Airports to fly from Montreal to San Francisco