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Cheap flights from London, ON to Fremont from C$ 266

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
25 Jun — 2 Jul1
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 26 May 2026.

Thu 9/76:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Wed 29/76:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 21/5C$ 378
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 21/5C$ 396
Fri 14/82:40 p.m.
YXU
-
SFO
2 stops10h 15m
WestJet
Tue 18/86:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 21/5C$ 439
Thu 8/103:30 p.m.
YXU
-
SFO
2 stops12h 46m
United Airlines
Tue 13/1011:00 p.m.
SFO
-
YXU
1 stop7h 20m
United Airlines
Deal found 21/5C$ 569
Fri 14/83:30 p.m.
YXU
-
SFO
2 stops10h 25m
Air Canada
Tue 18/85:00 a.m.
SFO
-
YXU
2 stops9h 45m
Air Canada
Deal found 21/5C$ 585
Thu 2/710:05 a.m.
YXU
-
SFO
2 stops14h 13m
United Airlines
Mon 6/710:47 p.m.
SFO
-
YXU
1 stop7h 33m
United Airlines
Deal found 21/5C$ 587

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 26 May 2026.

Round-trip from

C$ 378

One-way from

C$ 266

Popular in

March

Cheapest in

August

Average price

C$ 530
WestJet
  • WestJet
  • 9/7-29/7
  • 2 total stops
  • 17h 05m total
  • London to Fremont
Search Deals
WestJet
  • WestJet
  • 1/7
  • 1 total stop
  • 13h 30m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 281 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 26 May 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$ 534

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

3:30 p.m.-1:16 a.m.

2 stops12h 46m

San Francisco

Tue 13/10

11:00 p.m.-9:20 a.m.

1 stop7h 20m

C$ 569

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

3:30 p.m.-6:53 a.m.

2 stops18h 23m

San Francisco

Tue 28/7

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

2 stops11h 05m

C$ 587

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 2/7

10:05 a.m.-9:18 p.m.

2 stops14h 13m

San Francisco

Mon 6/7

10:47 p.m.-9:20 a.m.

1 stop7h 33m

C$ 587

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

8:40 p.m.-4:40 p.m.

1 stop23h 00m

San Francisco

Wed 29/7

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

1 stop8h 15m

C$ 781

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 14/8

5:40 a.m.-10:42 a.m.

1 stop8h 02m

San Francisco

Tue 18/8

4:30 p.m.-9:20 a.m.

1 stop13h 50m

C$ 798

LondonSan Francisco

YXU - SFO

YXUSFO

London

Mon 5/10

3:30 p.m.-6:41 a.m.

2 stops18h 11m

San Francisco

Tue 27/10

10:35 p.m.-3:06 p.m.

2 stops13h 31m

C$ 839
Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 25/8

5:40 a.m.-12:32 p.m.

1 stop9h 52m

San Francisco

Wed 26/8

5:00 a.m.-5:45 p.m.

2 stops9h 45m

C$ 861

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 22/8

10:05 a.m.-3:27 p.m.

1 stop8h 22m

San Francisco

Tue 1/9

12:35 a.m.-2:55 p.m.

2 stops11h 20m

C$ 864
Cheapest one-way

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 1/7

6:10 a.m.-4:40 p.m.

1 stop13h 30m

C$ 266

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/5

Showing 1-10 of 18 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 26 May 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
3,347 reviews
Check prices

Food

6.2

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.0

Entertainment

6.1

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
3,347 reviews
WestJet
7.2
Good
3,347 reviews
Check prices

Food

6.2

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.0

Entertainment

6.1

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
11,090 reviews
WestJet
7.2
Good
3,347 reviews
Check prices

Food

6.2

Boarding

7.4

Crew

7.9

Overall

7.2

Comfort

7.0

Entertainment

6.1

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 3h 56m. 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 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 220AverageC$ 422FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 255AverageC$ 482FlexibilityNo 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?

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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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