London

$382+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
Apr 5 — Apr 121
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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 Tuesday and return on a Wednesday

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$606
(Kiwi.com)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$692
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
From Fremont to London (LON)
One-way flight from Fremont to London (LON)
Highest demand for flights based on searches. 19% potential increase in price ($191 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Mon 4/710:28 pmSFO - LGW
2 stops23h 52mMultiple Airlines
Mon 4/282:00 pmLGW - SFO
1 stop31h 19mMultiple Airlines
Deal found 3/30$606
This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:40 pmSFO - LHR
2 stops40h 15mScandinavian Airlines
Wed 5/217:05 amLHR - SFO
2 stops17h 25mScandinavian Airlines
Deal found 3/31$606
This lastminute.com deal was found by Cheapflights users on 3/31. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/315:45 pmSFO - LHR
1 stop13h 10mAer Lingus
Tue 4/159:50 amLHR - SFO
1 stop14h 05mAer Lingus
Deal found 3/31$611
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:20 pmSFO - LGW
1 stop15h 15mTAP AIR PORTUGAL
Mon 10/69:15 pmLGW - SFO
2 stops25h 20mTAP AIR PORTUGAL
Deal found 3/30$612
This World Air Fares deal was found by Cheapflights users on 3/30. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:55 pmSFO - LHR
Nonstop10h 30mMultiple Airlines
Fri 4/258:40 amLHR - SFO
1 stop15h 30mMultiple Airlines
Deal found 3/30$619
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:20 pmSFO - LHR
1 stop17h 25mTAP AIR PORTUGAL
Mon 9/291:45 pmLHR - SFO
1 stop32h 50mTAP AIR PORTUGAL
Deal found 3/30$628
This eDestinos deal was found by Cheapflights users on 3/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/161:07 pmSFO - LHR
1 stop13h 23mIberia
Sun 4/204:25 pmLHR - SFO
1 stop16h 05mIberia
Deal found 3/31$630
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:00 pmSFO - LGW
1 stop18h 40mVueling
Tue 5/209:10 amLGW - SFO
1 stop16h 50mVueling
Deal found 3/30$631
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 9/217:20 pmSFO - LHR
Nonstop10h 25mAmerican Airlines
Thu 10/28:50 amLHR - SFO
1 stop15h 05mAmerican Airlines
Deal found 3/31$642
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:30 pmSFO - STN
2 stops21h 40mMultiple Airlines
Mon 5/56:25 amSTN - SFO
3 stops35h 05mMultiple Airlines
Deal found 3/30$644
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Tue 4/87:30 pmSFO - LGW
1 stop14h 20mSWISS
Tue 4/226:35 pmLGW - SFO
1 stop29h 35mSWISS
Deal found 3/30$646
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/86:31 amSFO - LGW
2 stops20h 09mAmerican Airlines
Tue 4/293:05 pmLGW - SFO
1 stop17h 05mAmerican Airlines
Deal found 3/31$647

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 March 31, 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

Fri 4/11

10:17 pm-10:00 am

1 stop27h 43m

London Gatwick

Mon 4/28

2:00 pm-1:19 pm

1 stop31h 19m

$606

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 5/7

7:40 pm-7:55 pm

2 stops40h 15m

London Heathrow

Wed 5/21

7:05 am-4:30 pm

2 stops17h 25m

$606

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Mon 10/6

9:15 pm-2:35 pm

2 stops25h 20m

$612

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 9/22

4:20 pm-5:45 pm

1 stop17h 25m

London Heathrow

Mon 9/29

1:45 pm-2:35 pm

1 stop32h 50m

$628

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/16

1:07 pm-10:30 am

1 stop13h 23m

London Heathrow

Sun 4/20

4:25 pm-12:30 am

1 stop16h 05m

$630

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 5/13

8:00 pm-10:40 pm

1 stop18h 40m

London Gatwick

Tue 5/20

9:10 am-6:00 pm

1 stop16h 50m

$631

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 4/15

5:45 pm-3:55 pm

1 stop14h 10m

London Heathrow

Tue 5/20

7:40 am-3:55 pm

1 stop16h 15m

$633

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/30

8:20 am-6:30 am

1 stop14h 10m

London Heathrow

Thu 5/22

6:00 am-4:10 pm

1 stop18h 10m

$640

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 9/21

7:20 pm-1:45 pm

Nonstop10h 25m

London Heathrow

Thu 10/2

8:50 am-3:55 pm

1 stop15h 05m

$642

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 4/28

4:30 pm-10:10 pm

2 stops21h 40m

London Stansted

Mon 5/5

6:25 am-9:30 am

3 stops35h 05m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 March 28, 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 $1,110). 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 March 31, 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 afternoons 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 March 31, 2025.

The most flights from FR8 to LON are scheduled on a Monday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 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 March 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

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 WestJet ($389), Scandinavian Airlines ($392), and Air Canada ($393).

  • 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: United Airlines (86%), Iberia (86%), American Airlines (84%).

  • What are the cheapest flights from Fremont to London?

    Looking for the cheapest flight from Fremont to London? While on average our users pay $3,188, our data indicates the cheapest price to be $404. The most popular route (San Francisco - London Heathrow), is priced around $506.

  • 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 $1,110). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$290Average$824FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$320Average$578FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$428Average$535FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$465Average$663FlexibilityNo cancel feeOn-time76%
DeltaCheapest$554Average$832FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$555Average$734FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$557Average$813FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$572Average$719FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$584Average$1,023FlexibilityNo cancel feeOn-time62%
KLMCheapest$586Average$815FlexibilityNo cancel feeOn-time75%
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