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Cheap flights from London, ON to Fremont from C$ 270

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from London to Fremont
Explore the most affordable flight options available from London to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Thu 3/96:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Thu 17/96:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 31/7C$ 475
Thu 8/106:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Tue 13/106:00 a.m.
SFO
-
YXU
1 stop20h 20m
WestJet
Deal found 31/7C$ 493
Fri 11/96:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Fri 18/96:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 29/7C$ 527
Mon 14/95:55 p.m.
YXU
-
SFO
1 stop21h 05m
WestJet
Mon 21/96:00 a.m.
SFO
-
YXU
1 stop20h 20m
WestJet
Deal found 31/7C$ 534
Thu 19/113:25 p.m.
YXU
-
SFO
1 stop9h 05m
Air Canada
Tue 24/119:00 a.m.
SFO
-
YXU
2 stops9h 52m
Air Canada
Deal found 31/7C$ 545
Thu 8/105:40 a.m.
YXU
-
SFO
1 stop7h 59m
Air Canada
Tue 13/104:35 p.m.
SFO
-
YXU
2 stops13h 45m
Air Canada
Deal found 31/7C$ 546
Thu 10/95:40 a.m.
YXU
-
SFO
2 stops12h 41m
Air Canada
Mon 14/96:40 a.m.
SFO
-
YXU
2 stops12h 00m
Air Canada
Deal found 30/7C$ 551
Tue 22/96:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Sat 26/91:00 p.m.
SFO
-
YXU
1 stop24h 45m
WestJet
Deal found 1/8C$ 587
Tue 22/95:40 a.m.
YXU
-
SFO
2 stops12h 41m
Air Canada
Sat 26/97:30 p.m.
SFO
-
YXU
2 stops19h 13m
Air Canada
Deal found 1/8C$ 594

Find flight deals from London to Fremont

Keep the following information in mind while searching for London to Fremont flight deals. Data was last updated 3 August 2026.

Round-trip from

C$ 475

One-way from

C$ 270

Popular in

September

Cheapest in

August

Average price

C$ 259
WestJet
  • WestJet
  • 3/9-17/9
  • 2 total stops
  • 16h 35m total
  • London to Fremont
Search Deals
WestJet
  • WestJet
  • 10/9
  • 1 total stop
  • 8h 50m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 119 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 3 August 2026.
Use the filters below to find and compare flights from London to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

San Francisco

Tue 13/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

C$ 493

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 11/9

6:10 a.m.-12:00 p.m.

1 stop8h 50m

San Francisco

Fri 18/9

6:00 a.m.-4:45 p.m.

1 stop7h 45m

C$ 527

LondonSan Francisco

YXU - SFO

YXUSFO

London

Mon 14/9

5:55 p.m.-12:00 p.m.

1 stop21h 05m

San Francisco

Mon 21/9

6:00 a.m.-5:20 a.m.

1 stop20h 20m

C$ 534
Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 10/9

10:05 a.m.-3:24 p.m.

1 stop8h 19m

San Francisco

Mon 14/9

10:45 p.m.-9:20 a.m.

1 stop7h 35m

C$ 551

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 11/9

5:40 a.m.-12:34 p.m.

1 stop9h 54m

San Francisco

Fri 18/9

10:45 p.m.-9:20 a.m.

1 stop7h 35m

C$ 551

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 22/9

5:40 a.m.-3:21 p.m.

2 stops12h 41m

San Francisco

Sat 26/9

7:30 p.m.-5:43 p.m.

2 stops19h 13m

C$ 594

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 28/8

3:30 p.m.-9:02 p.m.

1 stop8h 32m

San Francisco

Fri 4/9

6:30 p.m.-2:50 p.m.

2 stops17h 20m

C$ 635

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 19/11

5:30 a.m.-3:35 p.m.

2 stops13h 05m

San Francisco

Mon 23/11

12:55 a.m.-2:47 p.m.

2 stops10h 52m

C$ 643

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 29/8

10:05 a.m.-6:44 p.m.

2 stops11h 39m

San Francisco

Sat 5/9

6:38 p.m.-2:50 p.m.

2 stops17h 12m

C$ 643

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 11/9

10:05 a.m.-3:24 p.m.

1 stop8h 19m

San Francisco

Fri 18/9

11:30 p.m.-5:43 p.m.

2 stops15h 13m

C$ 643

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Fremont

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

How much does it cost to fly round-trip from London, Ontario to Fremont?

Airfare is above average for this route at the moment.
London, Ontario to Fremont flights typically cost between C$ 245 and C$ 310 in September.
The cheapest round-trip price found within the last 5 days was C$ 475 on WestJet (3 Sep-17 Sep).

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 3 August 2026.
Read reviews from past customers who have flown WestJet and Air Canada from London 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.
WestJet
7.2
Good
3,423 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2023

YYC - PSP

Can never get the influential entertainment to work on the app. Super disappointing.
WestJet
7.2
Good
3,423 reviews
WestJet
7.2
Good
3,423 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2023

YYC - PSP

Can never get the influential entertainment to work on the app. Super disappointing.
Air Canada
7.1
Good
11,418 reviews
WestJet
7.2
Good
3,423 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2023

YYC - PSP

Can never get the influential entertainment to work on the app. Super disappointing.

Related info for your journey

Find useful and relevant information for your journey from London to Fremont. 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 from for flights from London to Fremont?

    For a flight from London to Fremont, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city. London is the only London airport and it handles 0 outbound flights to Fremont per day. 2 airlines have flights to Fremont from London on a regular basis.

  • How long is the flight from London, Ontario to Fremont?

    Airlines like WestJet and Air Canada fly from London, Ontario to Fremont in about 8h 19m. The time it takes to get you to your destination can typically vary by up to 31m. The distance from London, Ontario to Fremont is about 3508 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

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Top 2 airlines flying from London to Fremont

Discover the top 2 airlines that operate flights from London 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 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 223AverageC$ 447FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 259AverageC$ 489FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Fremont.

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