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Cheap flights from London, ON to Fremont from C$ 301

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
3 May — 10 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 3 April 2026.

Thu 18/66:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Mon 22/66:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 31/3C$ 452
Tue 14/48:00 a.m.
YXU
-
SFO
1 stop31h 05m
WestJet
Tue 5/56:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 30/3C$ 462
Fri 8/56:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Tue 12/56:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 29/3C$ 473
Thu 18/66:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Mon 29/66:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 31/3C$ 477
Wed 15/45:10 a.m.
YXU
-
SFO
1 stop8h 45m
Air Canada
Tue 5/58:05 a.m.
SFO
-
YXU
2 stops10h 33m
Air Canada
Deal found 1/4C$ 495
Fri 8/512:20 p.m.
YXU
-
SFO
2 stops11h 42m
Air Canada
Tue 12/57:30 p.m.
SFO
-
YXU
2 stops13h 13m
Air Canada
Deal found 2/4C$ 501
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 1/4C$ 502
Sun 31/55:55 p.m.
YXU
-
SFO
1 stop21h 05m
WestJet
Tue 7/76:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 1/4C$ 511
Wed 15/45:10 a.m.
YXU
-
SFO
1 stop8h 45m
Air Canada
Mon 4/57:30 p.m.
SFO
-
YXU
2 stops23h 08m
Air Canada
Deal found 1/4C$ 524

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 April 2026.

Round-trip from

C$ 452

One-way from

C$ 301

Popular in

March

Cheapest in

August

Average price

C$ 479
WestJet
  • WestJet
  • 18/6-22/6
  • 2 total stops
  • 16h 35m total
  • London to Fremont
Search Deals
WestJet
  • WestJet
  • 17/5
  • 1 total stop
  • 18h 45m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 320 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 78 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 3 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

Tue 14/4

8:00 a.m.-12:05 p.m.

1 stop31h 05m

San Francisco

Tue 5/5

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

1 stop7h 45m

C$ 462

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 8/5

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

1 stop8h 40m

San Francisco

Tue 12/5

7:30 p.m.-11:43 a.m.

2 stops13h 13m

C$ 495
Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 8/5

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

1 stop8h 50m

San Francisco

Tue 12/5

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

1 stop7h 45m

C$ 506

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 14/4

5:10 a.m.-10:55 a.m.

1 stop8h 45m

San Francisco

Tue 5/5

2:05 p.m.-11:43 a.m.

2 stops18h 38m

C$ 580

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 17/4

5:10 a.m.-10:55 a.m.

1 stop8h 45m

San Francisco

Sun 3/5

11:10 p.m.-9:38 p.m.

2 stops19h 28m

C$ 580

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 15/4

5:10 a.m.-10:55 a.m.

1 stop8h 45m

San Francisco

Fri 8/5

9:08 p.m.-5:33 p.m.

2 stops17h 25m

C$ 580

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 29/4

5:10 a.m.-10:55 p.m.

2 stops20h 45m

San Francisco

Wed 6/5

5:30 a.m.-9:38 p.m.

2 stops13h 08m

C$ 587
Cheapest one-way
Quickest one-way

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 17/5

6:10 a.m.-9:55 p.m.

1 stop18h 45m

C$ 301

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 15/5

5:55 p.m.-9:55 p.m.

1 stop31h 00m

C$ 342

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 15/5

9:30 a.m.-7:35 a.m.

3 stops25h 05m

C$ 780

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Sorted by cheapest first

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

What is the cheapest month to book a flight from London, Ontario to Fremont?

Currently, August is the cheapest month in which you can book a flight from London, Ontario to Fremont (average of C$ 221). Flying from London, Ontario to Fremont in December is currently the most expensive (average of C$ 352). 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.

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 3 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
3,310 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.2

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
3,310 reviews
WestJet
7.2
Good
3,310 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.2

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
10,886 reviews
WestJet
7.2
Good
3,310 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Crew

7.9

Food

6.2

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 Air Canada fly from London, Ontario to Fremont in about 8h 40m. The time it takes to get you to your destination can typically vary by up to 22h 25m. 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.

  • What is the cheapest month to book a flight from London, Ontario to Fremont?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to Fremont (average of C$ 221). Flying from London, Ontario to Fremont in December is currently the most expensive (average of C$ 352). 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 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 222AverageC$ 425FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 257AverageC$ 476FlexibilityNo 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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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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