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Cheap flights from London, ON to Fremont from C$ 306

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
22 Jul — 29 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 22 June 2026.

Thu 6/88:40 p.m.
YXU
-
SFO
1 stop28h 15m
WestJet
Thu 13/86:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 22/6C$ 429
Thu 8/106:10 a.m.
YXU
-
SFO
1 stop18h 45m
WestJet
Tue 13/106:00 a.m.
SFO
-
YXU
1 stop20h 20m
WestJet
Deal found 21/6C$ 512
Mon 28/96:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Tue 29/96:00 a.m.
SFO
-
YXU
1 stop20h 20m
WestJet
Deal found 20/6C$ 548
Wed 18/115:45 a.m.
YXU
-
SFO
1 stop10h 30m
Air Canada
Wed 2/122:15 p.m.
SFO
-
YXU
1 stop15h 51m
Air Canada
Deal found 21/6C$ 577
Mon 28/96:20 p.m.
YXU
-
SFO
2 stops19h 00m
Air Canada
Tue 29/94:40 p.m.
SFO
-
YXU
1 stop13h 40m
Air Canada
Deal found 20/6C$ 589
Thu 6/83:30 p.m.
YXU
-
SFO
2 stops18h 52m
United Airlines
Thu 13/89:13 p.m.
SFO
-
YXU
2 stops17h 29m
United Airlines
Deal found 22/6C$ 597
Mon 28/93:30 p.m.
YXU
-
SFO
2 stops12h 00m
United Airlines
Tue 29/910:51 p.m.
SFO
-
YXU
1 stop7h 29m
United Airlines
Deal found 19/6C$ 634

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 22 June 2026.

Round-trip from

C$ 512

One-way from

C$ 306

Popular in

September

Cheapest in

August

Average price

C$ 839
WestJet
  • WestJet
  • 8/10-13/10
  • 2 total stops
  • 39h 05m total
  • London to Fremont
Search Deals
Delta
  • Delta
  • 5/8
  • 1 total stop
  • 8h 50m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (C$ 128 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 22 June 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

Mon 28/9

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

1 stop8h 50m

San Francisco

Tue 29/9

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

1 stop20h 20m

C$ 549

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 18/11

5:45 a.m.-1:15 p.m.

1 stop10h 30m

San Francisco

Wed 2/12

2:15 p.m.-9:06 a.m.

1 stop15h 51m

C$ 577

LondonSan Francisco

YXU - SFO

YXUSFO

London

Mon 28/9

10:05 a.m.-7:32 p.m.

2 stops12h 27m

San Francisco

Tue 29/9

11:30 p.m.-2:55 p.m.

2 stops12h 25m

C$ 634

LondonSan Francisco

YXU - SFO

YXUSFO

London

Mon 28/9

3:30 p.m.-10:59 p.m.

2 stops10h 29m

San Francisco

Tue 29/9

11:30 p.m.-2:55 p.m.

2 stops12h 25m

C$ 640

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 18/11

5:45 a.m.-1:15 p.m.

1 stop10h 30m

San Francisco

Wed 2/12

6:40 p.m.-3:06 p.m.

2 stops17h 26m

C$ 643
Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

3:30 p.m.-12:59 a.m.

2 stops12h 29m

San Francisco

Tue 13/10

10:51 p.m.-9:20 a.m.

1 stop7h 29m

C$ 650
Cheapest one-way

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

10:05 a.m.-12:32 a.m.

2 stops17h 27m

C$ 333

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 6/8

3:30 p.m.-11:35 a.m.

2 stops23h 05m

C$ 333
Quickest one-way

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 5/8

3:30 p.m.-12:32 a.m.

2 stops12h 02m

C$ 565

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

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

1 stop16h 35m

C$ 638

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 11 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 22 June 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
3,377 reviews
Check prices

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Crew

7.9

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
3,377 reviews
WestJet
7.2
Good
3,377 reviews
Check prices

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Crew

7.9

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
11,238 reviews
WestJet
7.2
Good
3,377 reviews
Check prices

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Boarding

7.4

Crew

7.9

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, Air Canada, 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 37m. 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 22 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 225AverageC$ 446FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 261AverageC$ 859FlexibilityNo 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.

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

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

Can Cheapflights notify me if prices for flights from London to Fremont become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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