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Cheap flights from Montreal to Fremont from C$ 256

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SFO
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Montreal to Fremont are usually found in May or February, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Montreal to Fremont

Keep the following information in mind while searching for Montreal to Fremont flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 431

One-way from

C$ 256

Popular in

December

Cheapest in

May

Average price

C$ 517
WestJet
  • WestJet
  • 1/10-6/10
  • 2 total stops
  • 26h 15m total
  • Montreal to Fremont
Search Deals
6/10
  • 6/10
  • 3 total stops
  • 54h 55m total
  • Montreal to Fremont
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Montreal to Fremont

Cheapest flights from Montreal to Fremont
Explore the most affordable flight options available from Montreal to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Wed 1/107:00 a.m.YUL - SFO
1 stop17h 24mWestJet
Mon 6/1012:50 p.m.SFO - YUL
1 stop8h 51mWestJet
Deal found 10/9C$ 431
Thu 2/105:30 p.m.YUL - SFO
1 stop30h 54mWestJet
Sat 11/107:30 a.m.SFO - YUL
2 stops13h 57mWestJet
Deal found 9/9C$ 432
Wed 1/106:45 a.m.YUL - SFO
1 stop8h 38mMultiple Airlines
Tue 7/1012:50 p.m.SFO - YUL
1 stop8h 51mMultiple Airlines
Deal found 9/9C$ 434
Tue 16/95:30 p.m.YUL - SFO
1 stop21h 24mWestJet
Tue 23/97:30 a.m.SFO - YUL
2 stops13h 57mWestJet
Deal found 9/9C$ 435
Wed 1/106:45 a.m.YUL - SFO
2 stops17h 39mWestJet
Wed 8/107:30 a.m.SFO - YUL
2 stops13h 57mWestJet
Deal found 9/9C$ 438
Wed 17/97:00 a.m.YUL - SFO
1 stop17h 24mWestJet
Tue 23/97:30 a.m.SFO - YUL
2 stops13h 57mWestJet
Deal found 9/9C$ 439
Thu 25/98:05 a.m.YUL - SFO
Nonstop6h 06mAir Canada
Mon 29/911:40 a.m.SFO - YUL
Nonstop5h 25mAir Canada
Deal found 8/9C$ 441
Wed 1/101:10 p.m.YUL - SFO
3 stops23h 20mMultiple Airlines
Sun 12/1010:15 a.m.SFO - YUL
1 stop17h 52mMultiple Airlines
Deal found 10/9C$ 442
Wed 8/106:45 a.m.YUL - SFO
2 stops17h 39mWestJet
Mon 20/107:30 a.m.SFO - YUL
2 stops13h 57mWestJet
Deal found 9/9C$ 443
Sat 4/106:45 a.m.YUL - SFO
1 stop8h 38mPorter Airlines
Sun 26/101:40 p.m.SFO - YUL
1 stop7h 55mPorter Airlines
Deal found 9/9C$ 445
Thu 2/108:05 a.m.YUL - SFO
Nonstop6h 06mAir Canada
Sat 11/102:05 p.m.SFO - YUL
1 stop7h 35mAir Canada
Deal found 9/9C$ 446

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Fremont 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 11 September 2025.
Use the filters below to find and compare flights from Montreal to Fremont that are best for you.

Fly from

Montreal

Fly to

Fremont

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

5:30 p.m.-9:24 p.m.

1 stop30h 54m

San Francisco

Tue 30/9

7:30 a.m.-12:27 a.m.

2 stops13h 57m

C$ 441

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Tue 14/10

11:00 p.m.-10:40 a.m.

1 stop8h 40m

C$ 463

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Sun 19/10

8:30 a.m.-5:00 p.m.

Nonstop5h 30m

C$ 463

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Mon 6/10

11:56 p.m.-3:00 p.m.

1 stop12h 04m

C$ 463

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Sat 11/10

11:45 p.m.-8:16 a.m.

Nonstop5h 31m

C$ 463

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

San Francisco

Tue 2/12

10:15 a.m.-7:05 a.m.

2 stops17h 50m

C$ 464

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

9:45 a.m.-11:59 p.m.

1 stop17h 14m

San Francisco

Sat 11/10

11:40 a.m.-8:05 p.m.

Nonstop5h 25m

C$ 471

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

9:45 a.m.-3:30 p.m.

1 stop8h 45m

San Francisco

Sun 19/10

11:45 p.m.-8:16 a.m.

Nonstop5h 31m

C$ 471

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

4:55 p.m.-10:31 p.m.

1 stop8h 36m

San Francisco

Fri 10/10

11:45 p.m.-8:16 a.m.

Nonstop5h 31m

C$ 478

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 258

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 21 results
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Best time to book a flight from Montreal to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont 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.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Fremont

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

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Fremont. Price data was last updated on 29 August 2025.

The price you pay for your flight from Montreal to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 89 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 to Fremont?

Currently, January is the cheapest month in which you can book a flight from Montreal to Fremont (average of C$ 276). Flying from Montreal to Fremont in December is currently the most expensive (average of C$ 368). 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 FR8?

Find hourly flight availability from Montreal to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from Montreal to Fremont, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Montreal to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Fremont. Price data was last updated on 16 December 2024.

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

Weekly flight availability from Montreal to Fremont

Explore weekly flight availability from Montreal to Fremont. 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 11 September 2025.

The most flights from YMQ to FR8 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Montreal to Fremont?

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated 11 September 2025.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andWestJet from Montreal to Fremont. 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
7.9
Good
363 reviews
Check prices

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Overall

7.9

Entertainment

7.0

Food

7.6

Crew

8.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

  • How long is the flight from Montreal to Fremont?

    A quick flight from Montreal to Fremont can take about 6h 10m. WestJet provides one of the quickest options available for as low as C$ 463. There are 4073 km between Montreal and Fremont. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Montreal to Fremont?

    Before booking your flight to Fremont from Montreal, check out the most reliable airlines to get you to your destination on time: Air New Zealand (62%), Brussels Airlines (60%), United Airlines( 56%).

  • What are the cheapest flights from Montreal to Fremont?

    Looking at all options, your cheapest flight can be booked for C$ 290. While the most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco) can be booked for C$ 396 on average, our data indicates C$ 1,299 when flying from Montreal to Fremont.

  • Can I find deals for flights from Montreal to Fremont that include hotel bookings?

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

  • How can I find direct flights from Montreal to Fremont?

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

  • Can I find deals for business class flights from Montreal to Fremont?

    Yes. Cheapflights offers flight deals from Montreal to Fremont 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 Fremont?

    Currently, January is the cheapest month in which you can book a flight from Montreal to Fremont (average of C$ 276). Flying from Montreal to Fremont in December is currently the most expensive (average of C$ 368). 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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Top 6 airlines flying from Montreal to Fremont

Discover the top 6 airlines that operate flights from Montreal to Fremont. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 240AverageC$ 615FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 303AverageC$ 398FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 333AverageC$ 396FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 405AverageC$ 645FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 417AverageC$ 659FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 463AverageC$ 629FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Montreal to Fremont?

Cheapflights helps you search for flights from Montreal to Fremont via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Fremont from Montreal.

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

Need flexible booking options for your flight to Fremont from Montreal? 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 Montreal to Fremont become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Fremont from Montreal today and book when prices fit your budget.

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