What are the cheapest airlines flying from Montreal to San Francisco round-trip?

According to our current data, Porter Airlines (C$ 355), WestJet (C$ 392), and United Airlines (C$ 503) offers the cheapest pricing from Montreal to San Francisco. You may be able to fly from Montreal to San Francisco for 44% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Montreal to San Francisco one-way?

The cheapest airlines for a one-way flight from Montreal to San Francisco are Porter Airlines (C$ 214), WestJet (C$ 254), and Air Canada (C$ 281).

What are the cheapest flights from Montreal to San Francisco?

While on average a flight from Montreal to San Francisco is generally C$ 2,046, our data shows the cheapest flight currently is C$ 295. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco), you can expect to pay C$ 314 for that flight.

What are the most reliable airlines from Montreal to San Francisco?

No one likes to see their flight delayed. When booking a flight from Montreal to San Francisco consider choosing Air Canada (72%), Brussels Airlines (72%) or United Airlines (72%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Montreal to San Francisco?

American Airlines, Air Canada and Delta are the most popular airlines when flying from Montreal to San Francisco.

What is the cheapest day to fly round-trip from Montreal to San Francisco?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 41% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Montreal to San Francisco?

Find a great deal and save up to 55% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Montreal to San Francisco within the next two weeks, with the cheapest ticket starting at C$ 592.

What is the cheapest month to fly from Montreal to San Francisco?

January is one of the best times of the year to fly to San Francisco from Montreal. Prices for January average C$ 643 per person but you can even find prices for as low as C$ 342. The most expensive prices can be found in the month of December. Opting for a January flight can save you 25% on your journey compared to booking in December

What airport do you fly into for flights to San Francisco from Montreal?

Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Montreal. On average, San Francisco has 4 inbound flights from Montreal per day from 7 airlines. San Francisco is conveniently located just 19.0 km from San Francisco’s city centre.

Can I find deals for flights from Montreal to San Francisco that include hotel bookings?

Yes. In addition to deals on Montreal to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to San Francisco.

Can I find deals for business class flights from Montreal to San Francisco?

Yes. Cheapflights offers flight deals from Montreal to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 214+ Flights from Montreal to San Francisco

The best prices from Montreal to San Francisco are usually found in January or February, booked 42 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Montreal to San Francisco

Round-trip from	C$ 355
One-way from	C$ 214
Popular in	December
Cheapest in	January
Average price	C$ 570
Good round-trip deal	C$ 661 or less
Good one-way deal	C$ 431 or less

Porter Airlines
20/3-27/3
2 total stops
16h 49m total
Montreal to San Francisco

Search Deals

Porter Airlines
1/4
1 total stop
8h 54m total
Montreal to San Francisco

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from Montreal (YMQ) to San Francisco.

Search Deals

Price to beat on a one-way flight from Montreal (YMQ) to San Francisco.

Search Deals

Find flight deals from Montreal to San Francisco

Cheapest flights from Montreal to San Francisco
Explore the most affordable flight options available from Montreal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 20/36:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Thu 27/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Deal found 20/2C$ 355

Sat 31/56:45 a.m.YUL - SFO

2 stops13h 30mWestJet

Fri 6/67:30 a.m.SFO - YUL

2 stops14h 07mWestJet

Deal found 20/2C$ 375

Sat 26/46:45 a.m.YUL - SFO

1 stop8h 54mMultiple Airlines

Thu 1/57:30 a.m.SFO - YUL

2 stops14h 07mMultiple Airlines

Deal found 20/2C$ 423

Sat 22/36:20 p.m.YUL - SFO

Nonstop6h 31mUnited Airlines

Sat 29/34:39 p.m.SFO - YUL

1 stop17h 51mUnited Airlines

Deal found 20/2C$ 503

Thu 10/47:30 a.m.YUL - SFO

1 stop9h 25mAir Canada

Tue 22/410:45 p.m.SFO - YUL

1 stop8h 36mAir Canada

Deal found 20/2C$ 509

Sat 15/37:14 a.m.YUL - SFO

1 stop13h 05mDelta

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mDelta

Deal found 20/2C$ 523

Sat 22/34:00 p.m.YUL - SFO

2 stops11h 16mAmerican Airlines

Sat 29/36:30 a.m.SFO - YUL

2 stops13h 15mAmerican Airlines

Deal found 20/2C$ 547

Sun 23/37:30 a.m.YUL - SFO

1 stop18h 22mBritish Airways

Mon 31/312:25 a.m.SFO - YUL

1 stop10h 05mBritish Airways

Deal found 20/2C$ 560

Thu 6/37:00 a.m.YUL - SFO

1 stop9h 47mKLM

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mKLM

Deal found 20/2C$ 700

Best flights from Montreal to San Francisco
Discover carefully curated flight deals from Montreal to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Thu 20/36:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Thu 27/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Deal found 20/2C$ 355

Fri 9/57:00 a.m.YUL - SFO

1 stop17h 25mWestJet

Sat 17/512:50 p.m.SFO - YUL

1 stop8h 53mWestJet

Deal found 19/2C$ 392

Sat 26/46:45 a.m.YUL - SFO

1 stop8h 54mMultiple Airlines

Thu 1/57:30 a.m.SFO - YUL

2 stops14h 07mMultiple Airlines

Deal found 20/2C$ 423

Sat 22/36:20 p.m.YUL - SFO

Nonstop6h 31mUnited Airlines

Sat 29/34:39 p.m.SFO - YUL

1 stop17h 51mUnited Airlines

Deal found 20/2C$ 503

Thu 10/47:30 a.m.YUL - SFO

1 stop9h 25mAir Canada

Tue 22/410:45 p.m.SFO - YUL

1 stop8h 36mAir Canada

Deal found 20/2C$ 509

Sat 22/34:00 p.m.YUL - SFO

2 stops11h 16mAmerican Airlines

Sat 29/36:30 a.m.SFO - YUL

2 stops13h 15mAmerican Airlines

Deal found 20/2C$ 547

Sun 23/37:30 a.m.YUL - SFO

1 stop18h 22mBritish Airways

Mon 31/312:25 a.m.SFO - YUL

1 stop10h 05mBritish Airways

Deal found 20/2C$ 560

Sun 16/36:00 p.m.YUL - SFO

1 stop9h 22mDelta

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mDelta

Deal found 20/2C$ 601

Thu 6/37:00 a.m.YUL - SFO

1 stop9h 47mKLM

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mKLM

Deal found 20/2C$ 700

Direct flights from Montreal to San Francisco
Explore direct flight options from Montreal to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2025.

Fri 14/36:20 p.m.YUL - SFO

Nonstop6h 31mUnited Airlines

Tue 18/38:30 a.m.SFO - YUL

Nonstop5h 28mUnited Airlines

Deal found 20/2C$ 489

Thu 13/36:20 p.m.YUL - SFO

Nonstop6h 31mAir Canada

Mon 17/38:30 a.m.SFO - YUL

Nonstop5h 28mAir Canada

Deal found 20/2C$ 513

Last-minute flights from Montreal to San Francisco
Discover last-minute flight deals from Montreal to San Francisco. Data last updated 21 February 2025 and is based on user searches.

Wed 26/24:45 p.m.YUL - SFO

1 stop23h 21mWestJet

Thu 6/31:55 p.m.SFO - YUL

2 stops19h 35mWestJet

Deal found 20/2C$ 987

Thu 27/27:14 a.m.YUL - SFO

1 stop16h 57mAmerican Airlines

Tue 11/311:00 p.m.SFO - YUL

1 stop20h 45mAmerican Airlines

Deal found 20/2C$ 794

Thu 27/211:15 a.m.YUL - SFO

1 stop13h 32mAir Canada

Tue 11/38:30 a.m.SFO - YUL

Nonstop5h 28mAir Canada

Deal found 20/2C$ 858

Thu 27/21:35 p.m.YUL - SFO

1 stop10h 48mUnited Airlines

Tue 4/312:55 p.m.SFO - YUL

2 stops16h 05mUnited Airlines

Deal found 20/2C$ 872

Thu 27/25:35 p.m.YUL - SFO

1 stop16h 41mMultiple Airlines

Sun 2/31:40 p.m.SFO - YUL

1 stop7h 55mMultiple Airlines

Deal found 19/2C$ 878

Mon 3/37:55 p.m.YUL - SFO

1 stop19h 44mPorter Airlines

Tue 11/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Deal found 20/2C$ 803

Mon 3/312:49 p.m.YUL - SFO

1 stop13h 30mDelta

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mDelta

Deal found 20/2C$ 827

Thu 6/37:00 a.m.YUL - SFO

1 stop9h 47mKLM

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mKLM

Deal found 20/2C$ 700

Mon 10/34:45 p.m.YUL - SFO

1 stop23h 21mWestJet

Mon 17/31:55 p.m.SFO - YUL

2 stops19h 35mWestJet

Deal found 20/2C$ 457

Thu 13/37:30 a.m.YUL - SFO

1 stop11h 05mAir Canada

Mon 17/38:30 a.m.SFO - YUL

Nonstop5h 28mAir Canada

Deal found 20/2C$ 513

Sun 16/36:00 p.m.YUL - SFO

1 stop9h 22mDelta

Fri 21/310:45 p.m.SFO - YUL

1 stop10h 13mDelta

Deal found 20/2C$ 601

Thu 20/36:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Thu 27/31:40 p.m.SFO - YUL

1 stop7h 55mPorter Airlines

Deal found 20/2C$ 355

One-way flights from Montreal to San Francisco
Search for one-way flight options from Montreal to San Francisco. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Tue 1/46:45 a.m.YUL - SFO

1 stop8h 54mPorter Airlines

Deal found 19/2C$ 214

Tue 4/31:30 p.m.YUL - SFO

3 stops23h 12mMultiple Airlines

Deal found 19/2C$ 241

Mon 3/34:45 p.m.YUL - SFO

1 stop23h 21mWestJet

Deal found 19/2C$ 254

Thu 27/36:20 p.m.YUL - SFO

Nonstop6h 31mAir Canada

Deal found 20/2C$ 281

Fri 28/36:30 p.m.YUL - SFO

2 stops20h 50mUnited Airlines

Deal found 20/2C$ 311

Sun 13/46:05 a.m.YUL - SFO

1 stop10h 10mDelta

Deal found 20/2C$ 312

Mon 21/44:04 p.m.YUL - SFO

2 stops10h 54mAmerican Airlines

Deal found 20/2C$ 347

Find flights from Montreal to San Francisco within your budget

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 20/3

6:45 a.m.-12:39 p.m.

1 stop8h 54m

San Francisco

Thu 27/3

1:40 p.m.-12:35 a.m.

1 stop7h 55m

C$ 355

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

6:45 a.m.-5:15 p.m.

2 stops13h 30m

San Francisco

Fri 6/6

7:30 a.m.-12:37 a.m.

2 stops14h 07m

C$ 375

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 26/4

6:45 a.m.-12:39 p.m.

1 stop8h 54m

San Francisco

Thu 1/5

7:30 a.m.-12:37 a.m.

2 stops14h 07m

C$ 423

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

6:20 p.m.-9:51 p.m.

Nonstop6h 31m

San Francisco

Sat 29/3

4:39 p.m.-1:30 p.m.

1 stop17h 51m

C$ 503

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 10/4

7:30 a.m.-1:55 p.m.

1 stop9h 25m

San Francisco

Tue 22/4

10:45 p.m.-10:21 a.m.

1 stop8h 36m

C$ 509

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

4:00 p.m.-12:16 a.m.

2 stops11h 16m

San Francisco

Sat 29/3

6:30 a.m.-10:45 p.m.

2 stops13h 15m

C$ 547

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 23/3

7:30 a.m.-10:52 p.m.

1 stop18h 22m

San Francisco

Mon 31/3

12:25 a.m.-1:30 p.m.

1 stop10h 05m

C$ 560

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 23/5

4:55 p.m.-10:41 p.m.

1 stop8h 46m

San Francisco

Tue 27/5

12:40 a.m.-1:58 p.m.

1 stop10h 18m

C$ 585

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 1/4

6:45 a.m.-12:39 p.m.

1 stop8h 54m

C$ 214

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 4/3

1:30 p.m.-9:42 a.m.

3 stops23h 12m

C$ 241

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 15 results

Best time to book a flight from Montreal to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Montreal with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Montreal to San Francisco

Get recent, data-driven insights about flights from Montreal to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Montreal to San Francisco?

To ensure you get the cheapest price possible for a flight from Montreal to San Francisco, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Montreal to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 276). Flying from Montreal to San Francisco in June is currently the most expensive (average of C$ 379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YMQ to SFO?

A simple way to save on the total cost of your ticket is to fly from Montreal to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Montreal to San Francisco?

Travelers seeking maximum savings on their Montreal to San Francisco flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal to San Francisco

The most flights from YMQ to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, Porter Airlines and KLM from Montreal to San Francisco have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,219 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines

7.9

Good

276 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,765 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,219 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Francisco from Montreal?
Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Montreal. On average, San Francisco has 4 inbound flights from Montreal per day from 7 airlines. San Francisco is conveniently located just 19.0 km from San Francisco’s city centre.
What are the cheapest airlines flying from Montreal to San Francisco round-trip?
According to our current data, Porter Airlines (C$ 355), WestJet (C$ 392), and United Airlines (C$ 503) offers the cheapest pricing from Montreal to San Francisco. You may be able to fly from Montreal to San Francisco for 44% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Montreal to San Francisco one-way?
The cheapest airlines for a one-way flight from Montreal to San Francisco are Porter Airlines (C$ 214), WestJet (C$ 254), and Air Canada (C$ 281).
What are the most reliable airlines from Montreal to San Francisco?
No one likes to see their flight delayed. When booking a flight from Montreal to San Francisco consider choosing Air Canada (72%), Brussels Airlines (72%) or United Airlines (72%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Montreal to San Francisco?
While on average a flight from Montreal to San Francisco is generally C$ 2,046, our data shows the cheapest flight currently is C$ 295. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco), you can expect to pay C$ 314 for that flight.
Can I find deals for flights from Montreal to San Francisco that include hotel bookings?
Yes. In addition to deals on Montreal to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to San Francisco.
Can I find deals for business class flights from Montreal to San Francisco?
Yes. Cheapflights offers flight deals from Montreal to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 276). Flying from Montreal to San Francisco in June is currently the most expensive (average of C$ 379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Richmond

San Ramon

Newark

Alameda

Novato

Burlingame

Redwood City

South San Francisco

San Bruno

Scotts Valley

Belmont

Millbrae

Santa Clara

Vallejo

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Montreal to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 333	AverageC$ 513	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 354	AverageC$ 615	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 379	AverageC$ 585	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 471	AverageC$ 638	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 486	AverageC$ 738	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 498	AverageC$ 698	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 520	AverageC$ 608	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights

Fly with Cheapflights

How does Cheapflights help users find flights from Montreal to San Francisco?

Deals for Montreal to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Montreal to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to San Francisco with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to San Francisco, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Montreal to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Montreal to San Francisco from C$ 214

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Montreal to San Francisco are usually found in January or February, booked 42 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Montreal to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Montreal to San Francisco

Cheapest flights from Montreal to San FranciscoExplore the most affordable flight options available from Montreal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Montreal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Montreal to San Francisco within your budget

Best time to book a flight from Montreal to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Montreal with our price prediction graph.

Travel insights for flights from Montreal to San Francisco

Get recent, data-driven insights about flights from Montreal to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Montreal to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to San Francisco. Price data was last updated on 14 February 2025.

What is the cheapest month to book a flight from Montreal to San Francisco?

What is the cheapest time of day to fly from YMQ to SFO?

Find hourly flight availability from Montreal to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

What is the cheapest day to fly from Montreal to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Montreal to San Francisco. Price data was last updated on 16 February 2025.

Weekly flight availability from Montreal to San Francisco

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, Porter Airlines and KLM from Montreal to San Francisco have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Montreal to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Montreal?

What are the cheapest airlines flying from Montreal to San Francisco round-trip?

What are the cheapest airlines to fly from Montreal to San Francisco one-way?

What are the most reliable airlines from Montreal to San Francisco?

What are the cheapest flights from Montreal to San Francisco?

Can I find deals for flights from Montreal to San Francisco that include hotel bookings?

How can I find direct flights from Montreal to San Francisco?

Can I find deals for business class flights from Montreal to San Francisco?

What is the cheapest month to book a flight from Montreal to San Francisco?

Travelling to a place near Montreal?

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Fly from Montreal to San Francisco on these airlines

Choose from the following airlines for your flight from Montreal to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 21 February 2025.

Top 7 airlines flying from Montreal to San Francisco

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Cheapest flights from Montreal to San Francisco
Explore the most affordable flight options available from Montreal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.