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Cheap flights from Montreal to San Francisco from C$ 273

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SFO
23 Dec — 30 Dec1
1 adult

The best prices from Montreal to San Francisco are usually found in October or September, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Montreal to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 374

One-way from

C$ 273

Popular in

December

Cheapest in

October

Average price

C$ 857
21/1-28/1
  • 21/1-28/1
  • 3 total stops
  • 27h 17m total
  • Montreal to San Francisco
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15/1
  • 15/1
  • 2 total stops
  • 22h 29m total
  • Montreal to San Francisco
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High demand for flights, 5% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 18 December 2024.

Mon 23/126:45 a.m.YUL - SFO
1 stop8h 54mPorter Airlines
Wed 1/11:40 p.m.SFO - YUL
1 stop7h 48mPorter Airlines
Deal found 16/12C$ 653
Tue 24/128:05 a.m.YUL - SFO
1 stop17h 58mUnited Airlines
Tue 31/125:00 a.m.SFO - YUL
1 stop9h 08mUnited Airlines
Deal found 17/12C$ 681
Tue 31/128:25 a.m.YUL - SFO
1 stop18h 30mMultiple Airlines
Sat 11/18:25 a.m.SFO - YUL
1 stop9h 53mMultiple Airlines
Deal found 16/12C$ 767
Sat 28/1212:55 p.m.YUL - SFO
1 stop12h 12mAmerican Airlines
Tue 14/15:55 a.m.SFO - YUL
2 stops13h 50mAmerican Airlines
Deal found 16/12C$ 874
Tue 24/126:20 p.m.YUL - SFO
Nonstop6h 31mAir Canada
Sun 29/128:30 a.m.SFO - YUL
Nonstop5h 28mAir Canada
Deal found 17/12C$ 946

Find flights from Montreal to San Francisco within your budget

Customize your flight search to find flights from Montreal to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

6:45 a.m.-12:24 p.m.

1 stop8h 39m

San Francisco

Wed 23/4

1:35 p.m.-12:30 a.m.

1 stop7h 55m

C$ 373

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 21/1

5:35 p.m.-7:16 a.m.

1 stop16h 41m

San Francisco

Tue 28/1

10:54 a.m.-12:30 a.m.

2 stops10h 36m

C$ 374

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

7:00 a.m.-9:25 p.m.

1 stop17h 25m

San Francisco

Sun 8/6

2:45 p.m.-6:58 a.m.

1 stop13h 13m

C$ 410

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

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

Nonstop6h 31m

San Francisco

Sun 19/1

8:30 a.m.-4:58 p.m.

Nonstop5h 28m

C$ 478

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 23/1

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

Nonstop6h 31m

San Francisco

Sun 26/1

8:30 a.m.-4:58 p.m.

Nonstop5h 28m

C$ 481

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 17/4

9:30 a.m.-6:51 p.m.

1 stop12h 21m

San Francisco

Fri 25/4

10:30 p.m.-12:15 p.m.

1 stop10h 45m

C$ 511

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

4:00 p.m.-10:16 p.m.

1 stop9h 16m

San Francisco

Wed 22/1

12:27 a.m.-1:35 p.m.

1 stop10h 08m

C$ 518

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 17/1

12:55 p.m.-10:16 p.m.

1 stop12h 21m

San Francisco

Thu 23/1

12:27 a.m.-10:45 p.m.

1 stop19h 18m

C$ 523

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 15/1

2:35 p.m.-10:04 a.m.

2 stops22h 29m

C$ 273

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

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

Nonstop6h 31m

C$ 277

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 15 results
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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?

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 13 December 2024.

To ensure you get the cheapest price possible for a flight from Montreal to San Francisco, you should look to book at least 22 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, February is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 272). 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?

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 18 December 2024.

A simple way to save on the total cost of your ticket is to fly from Montreal to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

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 December 2024.

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

Explore weekly flight availability from Montreal to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2024.

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

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

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

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 18 December 2024.
See what other customers who have flown with Porter Airlines, Air Canada and WestJet 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
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

WestJet
7.3
Good
2,818 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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
8,604 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

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?

    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$ 377), Air Canada (C$ 478), and United Airlines (C$ 481) offers the cheapest pricing from Montreal to San Francisco. You may be able to fly from Montreal to San Francisco for 43% 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 Air Canada (C$ 277), United Airlines (C$ 289), and Delta (C$ 299).

  • 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 Brussels Airlines (81%), Air Canada (79%) or United Airlines (73%) 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$ 1,555, our data shows the cheapest flight currently is C$ 235. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco), you can expect to pay C$ 344 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, February is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 272). 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

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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 18 December 2024.
Air Canada flights from Montreal to San Francisco
United Airlines flights from Montreal to San Francisco
Air Transat flights from Montreal to San Francisco

Top 7 airlines flying from Montreal to San Francisco

Discover the top 7 airlines that operate flights from Montreal to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 332AverageC$ 537FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 356AverageC$ 662FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 463AverageC$ 592FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 473AverageC$ 631FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 496AverageC$ 727FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 515AverageC$ 717FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 523AverageC$ 613FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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