London

$368+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
Feb 27 — Mar 61
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Cheapflights Tip: The best prices from Fremont to London are usually found in September or February, booked 38 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap 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 January 28, 2026.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/28. 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.
Fri 3/138:10 pm
SFO
-
LGW
1 stop30h 40m
TAP AIR PORTUGAL
Sat 3/2110:10 am
LGW
-
SFO
2 stops60h 25m
TAP AIR PORTUGAL
Deal found 1/28$594
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:25 pm
SFO
-
LHR
1 stop14h 10m
Multiple Airlines
Wed 2/189:00 am
LHR
-
SFO
1 stop15h 30m
Multiple Airlines
Deal found 1/28$594
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/167:40 pm
SFO
-
LTN
1 stop19h 20m
Multiple Airlines
Thu 4/305:40 am
LTN
-
SFO
1 stop20h 15m
Multiple Airlines
Deal found 1/26$595
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/107:25 pm
SFO
-
LHR
1 stop14h 25m
SWISS
Thu 2/199:00 am
LHR
-
SFO
1 stop15h 30m
SWISS
Deal found 1/27$595
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Sat 2/284:35 pm
SFO
-
LGW
1 stop33h 15m
TAP AIR PORTUGAL
Sun 3/159:25 pm
LGW
-
SFO
2 stops25h 10m
TAP AIR PORTUGAL
Deal found 1/26$596
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Wed 3/47:25 pm
SFO
-
LTN
2 stops18h 55m
Multiple Airlines
Mon 3/98:50 pm
LTN
-
SFO
2 stops23h 50m
Multiple Airlines
Deal found 1/27$596
This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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.
Sun 2/154:40 pm
SFO
-
LHR
2 stops18h 10m
Scandinavian Airlines
Sun 3/17:30 pm
LHR
-
SFO
1 stop27h 05m
Scandinavian Airlines
Deal found 1/26$596
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/26. 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.
Sat 1/314:35 pm
SFO
-
LGW
1 stop33h 15m
TAP AIR PORTUGAL
Sat 2/2810:10 am
LGW
-
SFO
2 stops60h 25m
TAP AIR PORTUGAL
Deal found 1/26$597
This Mytrip deal was found by Cheapflights users on 1/25. 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 2/168:25 am
SFO
-
STN
3 stops30h 15m
Multiple Airlines
Sat 2/286:00 am
STN
-
SFO
2 stops21h 35m
Multiple Airlines
Deal found 1/25$597
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:40 pm
SFO
-
LHR
1 stop17h 00m
Scandinavian Airlines
Fri 2/136:40 am
LHR
-
SFO
1 stop15h 55m
Scandinavian Airlines
Deal found 1/28$597
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 4/197:40 pm
SFO
-
STN
1 stop27h 50m
Multiple Airlines
Mon 4/2710:45 pm
STN
-
SFO
2 stops46h 00m
Multiple Airlines
Deal found 1/27$598
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Wed 1/288:25 am
SFO
-
LTN
2 stops25h 45m
Multiple Airlines
Wed 2/48:50 pm
LTN
-
SFO
2 stops23h 50m
Multiple Airlines
Deal found 1/26$598

Find flight deals from Fremont to London

Keep the following information in mind while searching for Fremont to London flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(TAP AIR PORTUGAL)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$668
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. 17% potential increase in price ($155 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 28, 2026.
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 - LTN

SFOLTN

San Francisco

Wed 3/4

7:25 pm-10:20 pm

2 stops18h 55m

London Luton

Mon 3/9

8:50 pm-1:40 pm

2 stops23h 50m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/25

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 3/18

9:00 am-5:30 pm

1 stop15h 30m

$616

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 3/6

4:30 pm-10:50 am

Nonstop10h 20m

London Heathrow

Sat 3/14

6:30 am-12:50 pm

1 stop13h 20m

$617

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 3/11

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 3/18

6:35 am-3:50 pm

1 stop16h 15m

$618

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 3/1

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Thu 3/19

11:10 am-8:35 pm

1 stop16h 25m

$618

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 3/4

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Tue 3/31

9:15 pm-4:35 pm

2 stops51h 20m

$628

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 3/11

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Mon 3/23

4:40 pm-8:35 pm

1 stop34h 55m

$629

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 3/21

6:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 4/8

7:25 am-2:35 pm

1 stop15h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/23

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 4/29

10:50 am-7:00 pm

1 stop16h 10m

$632

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 3/22

6:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Tue 4/7

10:50 am-7:00 pm

1 stop16h 10m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January 23, 2026.

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, October is the cheapest month in which you can book a flight from Fremont to London (average of $497). Flying from Fremont to London in June is currently the most expensive (average of $803). 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 January 28, 2026.

It’s typically best to fly out from Fremont to London in the morning. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.

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 January 24, 2026.

Travelers seeking maximum savings on their Fremont to London flight should consider departing on Monday mornings 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 January 28, 2026.

The most flights from FR8 to LON are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

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 January 28, 2026.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines from Fremont to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

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.
  • How long is the flight from Fremont to London?

    Departing from Fremont to London will take you 10h 20m. There are 5350 mi between Fremont and London. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 JetBlue ($185), Aer Lingus ($192), and TAP AIR PORTUGAL ($215).

  • 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: American Airlines (82%), Aer Lingus (82%), Alaska Airlines (82%).

  • What are the cheapest flights from Fremont to London?

    Looking for the cheapest flight from Fremont to London? While on average our users pay $2,610, our data indicates the cheapest price to be $250. The most popular route (San Francisco - London Heathrow), is priced around $451.

  • 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, October is the cheapest month in which you can book a flight from Fremont to London (average of $497). Flying from Fremont to London in June is currently the most expensive (average of $803). 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 London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$854FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$334Average$634FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$339Average$536FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$494Average$655FlexibilityNo cancel feeOn-time75%
SWISSCheapest$513Average$703FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$514Average$770FlexibilityNo cancel feeOn-time70%
DeltaCheapest$521Average$766FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$561Average$685FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$566Average$830FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$568Average$840FlexibilityNo cancel feeOn-time69%

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