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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from C$ 225

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Francisco are usually found in April or January, booked 42 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Pierre Elliott Trudeau Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 15 April 2025.

Round-trip from

C$ 356

One-way from

C$ 225

Popular in

December

Cheapest in

April

Average price

C$ 537

Good round-trip deal

C$ 625 or less

Good one-way deal

C$ 312 or less
Air Canada
  • Air Canada
  • 1/5-4/5
  • Nonstop
  • 12h 05m total
  • Montreal to San Francisco
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Porter Airlines
  • Porter Airlines
  • 17/6
  • 1 total stop
  • 8h 45m total
  • Montreal to San Francisco
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Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to San Francisco.
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to San Francisco.
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Find flight deals from Pierre Elliott Trudeau Intl to San Francisco

Cheapest flights from Pierre Elliott Trudeau Intl to San Francisco
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Thu 1/54:30 p.m.YUL - SFO
Nonstop6h 25mAir Canada
Sun 4/511:25 a.m.SFO - YUL
Nonstop5h 40mAir Canada
Deal found 14/4C$ 356
Sat 10/56:45 a.m.YUL - SFO
1 stop8h 45mPorter Airlines
Wed 14/51:30 p.m.SFO - YUL
1 stop8h 07mPorter Airlines
Deal found 13/4C$ 358
Mon 21/76:45 a.m.YUL - SFO
2 stops13h 30mWestJet
Wed 23/712:50 p.m.SFO - YUL
1 stop8h 53mWestJet
Deal found 13/4C$ 368
Thu 1/57:00 a.m.YUL - SFO
1 stop14h 07mDelta
Thu 8/55:50 a.m.SFO - YUL
1 stop7h 25mDelta
Deal found 14/4C$ 406
Wed 28/56:45 a.m.YUL - SFO
1 stop8h 45mMultiple Airlines
Wed 4/612:50 p.m.SFO - YUL
1 stop8h 53mMultiple Airlines
Deal found 13/4C$ 413
Thu 1/53:44 p.m.YUL - SFO
1 stop9h 52mAmerican Airlines
Wed 7/512:21 a.m.SFO - YUL
1 stop10h 23mAmerican Airlines
Deal found 14/4C$ 419
Thu 10/78:05 a.m.YUL - SFO
Nonstop6h 10mUnited Airlines
Thu 18/96:35 a.m.SFO - YUL
1 stop13h 51mUnited Airlines
Deal found 14/4C$ 470

Cheapflights Fare Finder

Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 15 April 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

San Francisco

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

4:30 p.m.-7:55 p.m.

Nonstop6h 25m

San Francisco

Sun 4/5

11:25 a.m.-8:05 p.m.

Nonstop5h 40m

C$ 356

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

6:45 a.m.-12:30 p.m.

1 stop8h 45m

San Francisco

Wed 14/5

1:30 p.m.-12:37 a.m.

1 stop8h 07m

C$ 358

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:45 a.m.-5:14 p.m.

2 stops13h 29m

San Francisco

Tue 23/9

12:50 p.m.-12:41 a.m.

1 stop8h 51m

C$ 362

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 2/5

8:10 a.m.-11:35 a.m.

Nonstop6h 25m

San Francisco

Mon 5/5

12:10 a.m.-11:55 a.m.

1 stop8h 45m

C$ 398

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

7:00 a.m.-6:07 p.m.

1 stop14h 07m

San Francisco

Wed 7/5

6:15 a.m.-5:40 p.m.

1 stop8h 25m

C$ 406

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

6:45 a.m.-12:30 p.m.

1 stop8h 45m

San Francisco

Mon 30/6

2:45 p.m.-12:43 a.m.

2 stops30h 58m

C$ 417

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/5

3:44 p.m.-10:36 p.m.

1 stop9h 52m

San Francisco

Wed 7/5

12:21 a.m.-1:44 p.m.

1 stop10h 23m

C$ 419

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 17/6

6:45 a.m.-12:30 p.m.

1 stop8h 45m

C$ 225

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

7:00 a.m.-7:44 a.m.

3 stops27h 44m

C$ 227

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

6:45 a.m.-2:48 p.m.

2 stops11h 03m

C$ 232

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 14 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pierre Elliott Trudeau Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to San Francisco. Price data was last updated on 11 April 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (average of C$ 276). Flying from Montreal Pierre Elliott Trudeau Intl Airport 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 YUL to SFO?

Find hourly flight availability from Pierre Elliott Trudeau Intl 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 15 April 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in the evening. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to San Francisco. Price data was last updated on 30 March 2025.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to San Francisco

Explore weekly flight availability from Pierre Elliott Trudeau Intl 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 15 April 2025.

The most flights from YUL 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 15 April 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and United Airlines from Montreal to San Francisco. 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.
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,916 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,656 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,805 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Food

7.6

Crew

8.7

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Montreal Pierre Elliott Trudeau Intl. On average, San Francisco has 4 inbound flights from Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Francisco round-trip?

    Flying on Air Canada is currently your cheapest option to San Francisco, with prices starting at C$ 356. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and WestJet, with the lowest prices starting at C$ 358 and C$ 370, respectively. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 225. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco for a low price.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

    No one likes to see their flight delayed. When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco consider choosing Air Canada (65%), Brussels Airlines (65%) or United Airlines (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

    On average you can expect to pay C$ 1,767 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco. The cheapest flight overall is C$ 232 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco) is currently priced at C$ 343.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to San Francisco that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to San Francisco?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Francisco?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (average of C$ 276). Flying from Montreal Pierre Elliott Trudeau Intl Airport 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

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Richmond
San Ramon
Newark
Alameda
Redwood City
Burlingame
South San Francisco
San Bruno
Scotts Valley
Novato
Belmont
Millbrae
Santa Clara
Vallejo

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Fly from Pierre Elliott Trudeau Intl to San Francisco on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 15 April 2025.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to San Francisco
United Airlines flights from Montreal Pierre Elliott Trudeau Intl to San Francisco
Air Transat flights from Montreal Pierre Elliott Trudeau Intl to San Francisco

Top 7 airlines flying from Pierre Elliott Trudeau Intl to San Francisco

Discover the top 7 airlines that operate flights from Pierre Elliott Trudeau Intl 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 316AverageC$ 475FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 334AverageC$ 509FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 345AverageC$ 578FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 356AverageC$ 623FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 463AverageC$ 703FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 478AverageC$ 679FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 507AverageC$ 593FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to San Francisco?

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to San Francisco become cheaper?

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

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