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Cheap flights from London, ON to Fremont from C$ 212

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SFO
17 Jan — 24 Jan1
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 18 December 2025.

Mon 22/125:10 a.m.YXU - SFO
1 stop8h 44mUnited Airlines
Wed 24/1211:35 p.m.SFO - YXU
2 stops14h 30mUnited Airlines
Deal found 18/12C$ 1,471

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 18 December 2025.

Round-trip from

C$ 409

One-way from

C$ 212

Popular in

November

Cheapest in

August

Average price

C$ 857
22/1-2/2
  • 22/1-2/2
  • 3 total stops
  • 49h 55m total
  • London to Fremont
Search Deals
28/1
  • 28/1
  • 2 total stops
  • 16h 20m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 261 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 18 December 2025.
Use the filters below to find and compare flights from London to Fremont that are best for you.

Fly from

London

Fly to

Fremont

Route

Depart

Return

Price

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 31/1

9:50 a.m.-9:44 p.m.

1 stop14h 54m

San Francisco

Sat 7/2

8:30 a.m.-9:21 p.m.

1 stop9h 51m

C$ 442

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 22/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

San Francisco

Mon 2/2

8:30 a.m.-9:20 p.m.

1 stop9h 50m

C$ 445

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 30/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

San Francisco

Fri 6/2

11:15 p.m.-5:05 p.m.

2 stops14h 50m

C$ 479

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 11/1

5:40 p.m.-9:38 a.m.

2 stops18h 58m

San Francisco

Tue 13/1

7:30 a.m.-9:21 p.m.

2 stops10h 51m

C$ 546

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 28/1

8:10 p.m.-9:30 a.m.

2 stops16h 20m

C$ 212

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 28/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 226

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 31/1

5:10 a.m.-11:00 p.m.

2 stops20h 50m

C$ 276

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 1/2

5:10 a.m.-10:57 p.m.

2 stops20h 47m

C$ 276

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 1/2

8:10 p.m.-5:54 p.m.

3 stops24h 44m

C$ 307

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 1/2

9:50 a.m.-9:39 p.m.

1 stop14h 49m

C$ 495

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 13 results
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

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

Currently, April is the cheapest month in which you can book a flight from London, Ontario to Fremont (average of C$ 198). Flying from London, Ontario to Fremont in January is currently the most expensive (average of C$ 333). 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 18 December 2025.
Read reviews from past customers who have flown United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
9,092 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
WestJet
7.2
Good
3,204 reviews
United Airlines
7.4
Good
9,092 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,534 reviews
United Airlines
7.4
Good
9,092 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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. 3 airlines have flights to Fremont from London on a regular basis.

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

    Airlines like Air Canada fly from London, Ontario to Fremont in about 14h 54m. The time it takes to get you to your destination can typically vary by up to . The distance from London, Ontario to Fremont is about 3508 km.

  • 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, April is the cheapest month in which you can book a flight from London, Ontario to Fremont (average of C$ 198). Flying from London, Ontario to Fremont in January is currently the most expensive (average of C$ 333). 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 3 airlines flying from London to Fremont

Discover the top 3 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 241AverageC$ 421FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 304AverageC$ 472FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 347AverageC$ 736FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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