Q: How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Airfare is below average for this route at the moment. Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights typically cost between C$ 591 and C$ 904 in September. The cheapest round-trip price found within the last 5 days was C$ 513 on Porter Airlines (9 Sep-29 Sep).

Question 1

What is the most punctual flight time for Montreal to San Francisco flights?

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 2

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 652.

Question 3

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 50m.

Question 4

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Airfare is below average for this route at the moment.Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights typically cost between C$ 591 and C$ 904 in September.
The cheapest round-trip price found within the last 5 days was C$ 513 on Porter Airlines (9 Sep-29 Sep).

Question 5

Which airline has the best punctuality record on Montreal to San Francisco flights?

Accepted Answer

Over the past year, Air Canada has had the lowest number of delays on this route, with just 25% of flights being delayed.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 7

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Toronto (YYZ) – chosen by Cheapflights users on 98% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco on Cheapflights.

Question 8

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 35m.

Question 9

How often are flights from Montreal to San Francisco delayed?

Accepted Answer

About 26% of weekly flights between Montreal and San Francisco have experienced delays in the past year, with the average delay time being 136 minutes.

Question 10

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Departing from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco will take you 6h 13m. Montreal Pierre Elliott Trudeau Intl Airport and San Francisco are separated by a distance of 4073 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 11

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco round-trip?

Accepted Answer

Flying on WestJet is currently your cheapest option to San Francisco, with prices starting at C$ 291. Additional round-trip tickets that might be worth considering are offered by Delta and Porter Airlines, with the lowest prices starting at C$ 325 and C$ 379, respectively. These flights start at 58% lower than the current average price 3 months from now.

Question 12

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

Accepted Answer

The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 241. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco for a low price.

Question 13

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

Accepted Answer

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 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 14

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

Accepted Answer

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$ 590). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in June is currently the most expensive (average of C$ 884). 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.

Question 15

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Accepted Answer

The most flights from YUL to SFO are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Question 16

E

Accepted Answer

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.

Question 17

E

Accepted Answer

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).

Question 18

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

Accepted Answer

On average you can expect to pay C$ 1,347 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco. The cheapest flight overall is C$ 567 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco) is currently priced at C$ 482.

Question 19

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

Accepted Answer

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 New Zealand (59%), Air Canada (58%) or United Airlines (58%) as they are the most reliable in getting you off to your destination on time.

Question 20

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Accepted Answer

Air Canada, Porter Airlines and United Airlines are the most popular airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco.

Question 21

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco as you normally would.

Question 22

What airport do you fly into for flights to San Francisco from Montreal Pierre Elliott Trudeau Intl?

Accepted Answer

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 8 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 5 airlines. San Francisco is conveniently located just 17.7 km from San Francisco’s city centre.

Question 23

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

Accepted Answer

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

Question 24

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

Accepted Answer

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.

Question 25

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

Accepted Answer

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.

Question 26

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

Accepted Answer

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 27

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

Accepted Answer

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.

Question 28

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

Accepted Answer

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.

Question 29

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

Accepted Answer

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.

Round-trip from	C$ 513
One-way from	C$ 375
Popular in	June
Cheapest in	January
Average price	C$ 807
Good round-trip deal	C$ 786 or less
Good one-way deal	C$ 877 or less

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 291	AverageC$ 509	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 325	AverageC$ 730	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Porter Airlines	CheapestC$ 379	AverageC$ 569	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 382	AverageC$ 713	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 468	AverageC$ 717	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from C$ 375

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to San Francisco

Cheapest flights from Pierre Elliott Trudeau Intl to San FranciscoExplore 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 28 July 2026.

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 28 July 2026.

Best flights from Pierre Elliott Trudeau Intl to San FranciscoDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 July 2026.

Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 July 2026.

Direct flights from Pierre Elliott Trudeau Intl to San FranciscoExplore direct flight options from Pierre Elliott Trudeau Intl to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 July 2026.

Explore direct flight options from Pierre Elliott Trudeau Intl to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 July 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to San FranciscoDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated 28 July 2026 and is based on user searches.

Discover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated 28 July 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to San FranciscoSearch for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated 28 July 2026.

Search for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated 28 July 2026.

Find flight deals from Pierre Elliott Trudeau Intl to San Francisco

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

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.

Cheapflights Insights

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

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 35 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?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco as you normally would.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights typically cost between C$ 591 and C$ 904 in September.The cheapest round-trip price found within the last 5 days was C$ 513 on Porter Airlines (9 Sep-29 Sep).

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

The most flights from YUL to SFO are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Montreal to San Francisco delayed?

About 26% of weekly flights between Montreal and San Francisco have experienced delays in the past year, with the average delay time being 136 minutes.

What is the most punctual flight time for Montreal to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to San Francisco flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 25% of flights being delayed.

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Toronto (YYZ) – chosen by Cheapflights users on 98% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 652.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 50m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 35m.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Porter Airlines,Delta, andUnited Airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to San Francisco from Montreal Pierre Elliott Trudeau Intl?

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco round-trip?

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

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

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

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

How can I 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?

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

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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 28 July 2026.

Alternative routes for Pierre Elliott Trudeau Intl to San Francisco

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Pierre Elliott Trudeau Intl and San Francisco flights

Browse other Pierre Elliott Trudeau Intl and San Francisco flight options. Last updated on 28 July 2026.

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 28 July 2026.

Best flights from Pierre Elliott Trudeau Intl to San Francisco
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 July 2026.

Direct flights from Pierre Elliott Trudeau Intl to San Francisco
Explore direct flight options from Pierre Elliott Trudeau Intl to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 July 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to San Francisco
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated 28 July 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to San Francisco
Search for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated 28 July 2026.

Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights typically cost between C$ 591 and C$ 904 in September.
The cheapest round-trip price found within the last 5 days was C$ 513 on Porter Airlines (9 Sep-29 Sep).