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$124+ Cheap flights from Fremont, CA to London, ON (YXU)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YXU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Fremont to London

Keep the following information in mind while searching for Fremont to London flight deals. Data was last updated September 15, 2025.

Round-trip from

$381
(Kiwi.com)

One-way from

$124
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$443
From Fremont to London
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One-way flight from Fremont to London
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Highest demand for flights based on searches. 20% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Fremont to London

Cheapest flights from Fremont to London
Explore the most affordable flight options available from Fremont to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:00 pmSFO - YXU
1 stop27h 12mMultiple Airlines
Thu 11/68:10 pmYXU - SFO
2 stops40h 20mMultiple Airlines
Deal found 9/15$381
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:00 pmSFO - YXU
1 stop17h 46mAir Canada
Thu 11/65:45 amYXU - SFO
1 stop8h 09mAir Canada
Deal found 9/15$417
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:55 pmSFO - YXU
2 stops17h 11mUnited Airlines
Thu 11/65:40 pmYXU - SFO
2 stops10h 35mUnited Airlines
Deal found 9/15$494
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:52 pmSFO - YXU
2 stops15h 25mUnited Airlines
Mon 9/293:50 pmYXU - SFO
2 stops18h 55mUnited Airlines
Deal found 9/12$531
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:30 pmSFO - YXU
2 stops20h 59mUnited Airlines
Tue 9/303:50 pmYXU - SFO
1 stop8h 42mUnited Airlines
Deal found 9/14$633
This WestJet deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:30 amSFO - YXU
1 stop8h 37mWestJet
Tue 9/306:00 amYXU - SFO
1 stop8h 54mWestJet
Deal found 9/14$811

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to London 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Fremont to London that are best for you.

Fly from

Fremont

Fly to

London

Route

Depart

Return

Price

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 2/19

7:30 am-9:21 pm

2 stops10h 51m

London

Fri 2/20

5:45 am-10:54 am

1 stop8h 09m

$400

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 10/30

12:00 pm-8:46 am

1 stop17h 46m

London

Thu 11/6

5:45 am-10:54 am

1 stop8h 09m

$417

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 10/30

8:55 pm-5:06 pm

2 stops17h 11m

London

Thu 11/6

5:40 pm-1:15 am

2 stops10h 35m

$494

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 2/18

12:43 am-9:21 pm

2 stops17h 38m

London

Fri 2/20

5:45 am-10:54 am

1 stop8h 09m

$503

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 11/18

10:15 am-7:12 pm

3 stops29h 57m

$124

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 11/18

1:00 pm-7:12 pm

1 stop27h 12m

$135

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 11/19

2:46 pm-7:12 pm

3 stops25h 26m

$178

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 11/17

6:00 pm-8:46 am

2 stops11h 46m

$179

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 11/17

7:37 pm-7:12 pm

3 stops20h 35m

$185

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 11/20

8:53 pm-7:12 pm

2 stops19h 19m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 results
1
2

Best time to book a flight from Fremont to London

Have a flexible travel schedule? Discover the best time to fly to London from Fremont 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 Fremont to London

What is the cheapest time of day to fly from FR8 to YXU?

Find hourly flight availability from Fremont to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Fremont to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with United Airlines, WestJet, and Air Canada from Fremont to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
3,091 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Fremont to London. 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 into for flights to London from Fremont?

    For a flight from Fremont to London, you will be flying into London. London (YXU) is just 5.3 mi from the center of the city. London is the only London airport and it handles 0 inbound flights from Fremont per day. 3 airlines have flights to London from Fremont on a regular basis.

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

    There are many flights that can get you from Fremont to London, Ontario in 10h 51m. Fly via Air Canada to get the fastest option. The distance between Fremont and London, Ontario is about 2180 mi.

  • Can I find deals for flights from Fremont to London that include hotel bookings?

    Yes. In addition to deals on Fremont to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to London.

  • Can I find deals for business class flights from Fremont to London?

    Yes. Cheapflights offers flight deals from Fremont to London 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Top 3 airlines flying from Fremont to London

Discover the top 3 airlines that operate flights from Fremont to London. 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$162Average$478FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$178Average$412FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$186Average$405FlexibilityNo cancel feeOn-time69%

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