London

$385+ Cheap flights from Fremont, CA to London (LON)

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
jun. 17 — jun. 241
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Cheapflights Tip: The best prices from Fremont to London are usually found in October or September, booked 38 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 junio 12, 2025.

Round-trip from

$680
(Kiwi.com)

One-way from

$385
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$1,037
From Fremont to London (LON)
One-way flight from Fremont to London (LON)
Highest demand for flights based on searches. 17% potential increase in price ($156 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:00 amSFO - LGW
1 stop20h 55mMultiple Airlines
vie. 9/2610:55 amLGW - SFO
1 stop15h 18mMultiple Airlines
Deal found 6/12$682
This Air Canada deal was found by Cheapflights users on 6/10. 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.
sáb. 8/211:25 pmSFO - LHR
2 stops23h 10mAir Canada
mar. 8/123:50 pmLHR - SFO
2 stops34h 48mAir Canada
Deal found 6/10$685
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/51:45 pmSFO - LCY
1 stop33h 30mDelta
vie. 8/810:00 amLCY - SFO
2 stops22h 19mDelta
Deal found 6/11$686
This Ovago deal was found by Cheapflights users on 6/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/317:30 pmSFO - LGW
1 stop14h 20mSWISS
mar. 8/196:35 pmLGW - SFO
1 stop29h 35mSWISS
Deal found 6/12$686
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/241:45 pmSFO - LHR
1 stop13h 00mKLM
mar. 7/2912:25 pmLHR - SFO
1 stop17h 00mKLM
Deal found 6/12$686
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
mié. 9/247:30 pmSFO - LCY
1 stop13h 45mSWISS
mié. 10/19:25 amLCY - SFO
1 stop14h 45mSWISS
Deal found 6/10$687
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 11/208:40 amSFO - LHR
1 stop14h 30mUnited Airlines
sáb. 11/292:30 pmLHR - SFO
1 stop30h 00mUnited Airlines
Deal found 6/11$687
This Austrian Airlines deal was found by Cheapflights users on 6/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/231:55 pmSFO - LHR
1 stop13h 55mAustrian Airlines
vie. 9/196:00 amLHR - SFO
2 stops20h 28mAustrian Airlines
Deal found 6/12$688
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/217:05 amSFO - LGW
1 stop18h 55mDelta
mié. 7/3012:00 pmLGW - SFO
1 stop16h 53mDelta
Deal found 6/12$689
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/27:20 pmSFO - LHR
Nonstop10h 25mAmerican Airlines
sáb. 10/187:40 amLHR - SFO
1 stop16h 15mAmerican Airlines
Deal found 6/11$689
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/14:10 pmSFO - LCY
2 stops42h 25mLufthansa
jue. 9/118:45 amLCY - SFO
2 stops20h 12mLufthansa
Deal found 6/11$690
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/247:25 pmSFO - LGW
1 stop19h 45mIberia
sáb. 9/208:55 pmLGW - SFO
1 stop29h 15mIberia
Deal found 6/10$690

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 junio 12, 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 - LGW

SFOLGW

San Francisco

mié. 8/13

11:00 am-10:55 am

1 stop15h 55m

London Gatwick

vie. 8/22

10:55 am-6:13 pm

1 stop15h 18m

$685

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

sáb. 8/2

11:25 pm-6:35 am

2 stops23h 10m

London Heathrow

mar. 8/12

3:50 pm-6:38 pm

2 stops34h 48m

$685

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

sáb. 7/5

1:45 pm-8:50 am

1 stop35h 05m

London City

lun. 8/11

9:20 am-4:06 pm

2 stops38h 46m

$686

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

jue. 7/31

7:30 pm-5:50 pm

1 stop14h 20m

London Gatwick

mar. 8/19

6:35 pm-4:10 pm

1 stop29h 35m

$686

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

jue. 7/24

1:45 pm-10:45 am

1 stop13h 00m

London Heathrow

mar. 7/29

12:25 pm-9:25 pm

1 stop17h 00m

$686

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

jue. 11/20

8:40 am-7:10 am

1 stop14h 30m

London Heathrow

sáb. 11/29

2:30 pm-12:30 pm

1 stop30h 00m

$687

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

mié. 9/24

7:30 pm-5:15 pm

1 stop13h 45m

London City

mié. 10/1

9:25 am-4:10 pm

1 stop14h 45m

$687

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

sáb. 8/23

1:55 pm-11:50 am

1 stop13h 55m

London Heathrow

vie. 9/19

6:00 am-6:28 pm

2 stops20h 28m

$688

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

jue. 10/2

7:20 pm-1:45 pm

Nonstop10h 25m

London Heathrow

sáb. 10/18

7:40 am-3:55 pm

1 stop16h 15m

$689

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 7/21

7:05 am-10:00 am

1 stop18h 55m

London Gatwick

mié. 7/30

12:00 pm-8:53 pm

1 stop16h 53m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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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

How far ahead should I book a flight from Fremont to London?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to London. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Fremont to London, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Fremont to London (average of $661). Flying from Fremont to London in June is currently the most expensive (average of $1,108). 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.

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

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 junio 12, 2025.

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

What is the cheapest day to fly from Fremont to London?

Use this chart to determine the cheapest time to fly round-trip from Fremont to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to London

Explore weekly flight availability from Fremont to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from FR8 to LON are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from Fremont to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 are the cheapest airlines to fly from Fremont to London one-way?

    The cheapest airlines for a one-way flight from Fremont to London are Air Canada ($385), WestJet ($387), and Virgin Atlantic ($387).

  • What are the most popular routes from Fremont to London?

  • What are the most reliable airlines from Fremont to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Fremont to London on time: Air New Zealand (81%), Air France (80%), Delta (80%).

  • What are the cheapest flights from Fremont to London?

    Looking for the cheapest flight from Fremont to London? While on average our users pay $2,609, our data indicates the cheapest price to be $365. The most popular route (San Francisco - London Heathrow), is priced around $481.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Fremont to London (average of $661). Flying from Fremont to London in June is currently the most expensive (average of $1,108). 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

Traveling to a place near Fremont?

Book flights to Fremont if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Fremont to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Fremont to London

Discover the top 10 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$290Average$800FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$332Average$582FlexibilityNo cancel feeOn-time77%
FinnairCheapest$465Average$667FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$487Average$597FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$541Average$744FlexibilityNo cancel feeOn-time79%
IberiaCheapest$572Average$720FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$582Average$822FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$584Average$853FlexibilityNo cancel feeOn-time62%
KLMCheapest$586Average$797FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$588Average$862FlexibilityNo cancel feeOn-time76%

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