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Cheap flights from London, ON 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
17 May — 24 May1
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 17 April 2026.

Thu 9/76:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Wed 29/76:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 14/4C$ 384
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 15/4C$ 398
Sat 30/55:55 p.m.
YXU
-
SFO
1 stop21h 05m
WestJet
Sat 6/66:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 15/4C$ 487
Sun 31/52:40 p.m.
YXU
-
SFO
2 stops10h 15m
WestJet
Sun 7/66:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 16/4C$ 505
Thu 8/106:20 p.m.
YXU
-
SFO
2 stops10h 37m
United Airlines
Tue 13/1010:55 p.m.
SFO
-
YXU
2 stops13h 00m
United Airlines
Deal found 16/4C$ 534
Thu 8/106:20 p.m.
YXU
-
SFO
2 stops10h 37m
Air Canada
Tue 13/1011:46 p.m.
SFO
-
YXU
2 stops12h 09m
Air Canada
Deal found 15/4C$ 547

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 17 April 2026.

Round-trip from

C$ 384

One-way from

C$ 256

Popular in

March

Cheapest in

August

Average price

C$ 472
WestJet
  • WestJet
  • 9/7-29/7
  • 2 total stops
  • 16h 35m total
  • London to Fremont
Search Deals
WestJet
  • WestJet
  • 1/5
  • 1 total stop
  • 8h 50m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 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$ 399

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

6:20 p.m.-1:57 a.m.

2 stops10h 37m

San Francisco

Tue 13/10

10:55 p.m.-2:55 p.m.

2 stops13h 00m

C$ 534

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

5:10 a.m.-1:24 p.m.

2 stops11h 14m

San Francisco

Tue 28/7

12:50 a.m.-2:55 p.m.

2 stops11h 05m

C$ 564
Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 4/6

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

1 stop8h 50m

San Francisco

Mon 8/6

6:05 p.m.-5:20 a.m.

1 stop8h 15m

C$ 564

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

6:20 p.m.-9:09 a.m.

1 stop17h 49m

San Francisco

Wed 29/7

10:47 p.m.-11:45 a.m.

1 stop9h 58m

C$ 577

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 30/5

5:10 a.m.-10:50 a.m.

1 stop8h 40m

San Francisco

Sat 6/6

11:59 p.m.-2:58 p.m.

2 stops11h 59m

C$ 614

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 31/5

12:20 p.m.-12:30 a.m.

2 stops15h 10m

San Francisco

Sun 7/6

10:47 p.m.-11:43 a.m.

1 stop9h 56m

C$ 623

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 4/6

9:30 a.m.-3:35 p.m.

1 stop9h 05m

San Francisco

Mon 8/6

7:56 p.m.-5:33 p.m.

2 stops18h 37m

C$ 669

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

11:05 a.m.-5:20 a.m.

2 stops15h 15m

C$ 712
Cheapest one-way

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 1/5

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

1 stop8h 50m

C$ 256

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

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?

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 17 April 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
3,321 reviews
Check prices

Comfort

7.0

Food

6.2

Entertainment

6.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,321 reviews
WestJet
7.2
Good
3,321 reviews
Check prices

Comfort

7.0

Food

6.2

Entertainment

6.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.1
Good
10,932 reviews
WestJet
7.2
Good
3,321 reviews
Check prices

Comfort

7.0

Food

6.2

Entertainment

6.1

Crew

7.9

Overall

7.2

Boarding

7.4

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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 United Airlines fly from London, Ontario to Fremont in about 8h 50m. The time it takes to get you to your destination can typically vary by up to 1h 47m. 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 218AverageC$ 419FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 253AverageC$ 477FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 London to Fremont?

Cheapflights helps you search for flights from London 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 London to Fremont?

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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Yes! Cheapflights helps users easily find flights from London to Fremont with no change fees.

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