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Cheap flights from London to Fremont from £377

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
28 Feb — 7 Mar1
1 adult

The best prices from London to Fremont are usually found in February or November, booked 83 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from London to Fremont

Keep the following information in mind while searching for London to Fremont flight deals. Data was last updated 23 February 2025.

Round-trip from

£407

One-way from

£377

Popular in

July

Cheapest in

February

Average price

£460
British Airways
  • British Airways
  • 5/3-9/3
  • Nonstop
  • 22h 00m total
  • London to Fremont
WestJet
  • WestJet
  • 2/4
  • 1 total stop
  • 30h 56m total
  • London to Fremont
Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from London to Fremont

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 23 February 2025.

Wed 5/315:20LHR - SFO
Nonstop11h 25mBritish Airways
Sun 9/321:40SFO - LHR
Nonstop10h 35mBritish Airways
Deal found 22/2£407
Thu 27/211:40LHR - SFO
Nonstop11h 10mVirgin Atlantic
Sun 9/317:40SFO - LHR
Nonstop10h 15mVirgin Atlantic
Deal found 23/2£409
Wed 12/306:30LHR - SFO
2 stops35h 22mUnited Airlines
Sun 30/322:44SFO - LHR
1 stop24h 11mUnited Airlines
Deal found 22/2£410
Tue 11/318:45LGW - SFO
1 stop29h 40mSWISS
Tue 18/320:25SFO - LGW
1 stop14h 25mSWISS
Deal found 21/2£410
Thu 10/414:15LHR - SFO
Nonstop11h 00mAmerican Airlines
Mon 14/417:58SFO - LHR
1 stop14h 07mAmerican Airlines
Deal found 22/2£413
Fri 14/308:55LHR - SFO
2 stops19h 47mAir Canada
Thu 20/313:00SFO - LHR
1 stop14h 10mAir Canada
Deal found 23/2£418
Wed 26/308:55LHR - SFO
1 stop15h 30mSWISS
Sun 6/419:30SFO - LHR
1 stop14h 20mSWISS
Deal found 22/2£420
Wed 30/416:25LGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Fri 9/520:20SFO - LGW
1 stop29h 25mTAP AIR PORTUGAL
Deal found 21/2£420
Fri 28/215:20LHR - SFO
Nonstop11h 25mMultiple Airlines
Sun 6/416:20SFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 21/2£421
Sat 22/313:45LHR - SFO
Nonstop11h 10mLufthansa
Sat 29/315:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 22/2£423
Tue 4/319:30LHR - SFO
1 stop28h 10mScandinavian Airlines
Mon 10/318:30SFO - LHR
2 stops17h 20mScandinavian Airlines
Deal found 22/2£425
Sat 22/310:00LHR - SFO
1 stop16h 55mBrussels Airlines
Sat 29/319:40SFO - LHR
Nonstop10h 30mBrussels Airlines
Deal found 22/2£426

Find flights from London to Fremont within your budget

Customise 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 858,174 searches. Data last updated 23 February 2025.

Fly from

London

Fly to

Fremont

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/3

15:20-18:45

Nonstop11h 25m

San Francisco

Sun 9/3

21:40-15:15

Nonstop10h 35m

£407

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 12/3

06:30-10:52

2 stops35h 22m

San Francisco

Sun 30/3

22:44-06:55

1 stop24h 11m

£410

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 11/3

18:45-17:25

1 stop29h 40m

San Francisco

Tue 18/3

20:25-17:50

1 stop14h 25m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 10/4

10:45-13:50

Nonstop11h 05m

San Francisco

Tue 15/4

19:20-13:45

Nonstop10h 25m

£413

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 14/3

08:55-21:42

2 stops19h 47m

San Francisco

Thu 20/3

13:00-10:10

1 stop14h 10m

£418

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 30/4

16:25-14:30

1 stop30h 05m

San Francisco

Fri 9/5

20:20-09:45

1 stop29h 25m

£420

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/3

08:55-17:25

1 stop15h 30m

San Francisco

Sun 6/4

19:30-17:50

1 stop14h 20m

£420

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 22/3

13:45-17:55

Nonstop11h 10m

San Francisco

Sat 29/3

15:55-09:25

Nonstop10h 30m

£423

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 12/3

21:05-16:40

2 stops26h 35m

San Francisco

Mon 31/3

18:20-21:35

2 stops19h 15m

£423

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 14/3

08:55-21:42

2 stops19h 47m

San Francisco

Mon 17/3

06:30-06:30

2 stops17h 00m

£424

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 60 results
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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 return 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.

Travel insights for flights from London to Fremont

Get recent, data-driven insights about flights from London to Fremont including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Fremont. Price data was last updated on 14 February 2025.

The price you pay for your flight from London to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from London to Fremont (average of £538). Flying from London to Fremont in July 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 LON to FR8?

Find hourly flight availability from London to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 February 2025.

When flying from London to Fremont, 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 London to Fremont?

Use this chart to determine the cheapest time to fly return from London to Fremont. Price data was last updated on 21 April 2024.

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

Weekly flight availability from London to Fremont

Explore weekly flight availability from London to Fremont. 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 23 February 2025.

The most flights from LON to FR8 are scheduled on a Thursday (33 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in Fremont by month

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

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Fremont when rainfall is around 0.0 mm.

Temperature in Fremont by month

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

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 23 February 2025.
See what other customers who have flown with Delta, Air New Zealand and KLM from London to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £377. However, be on the lookout for offers from TAP AIR PORTUGAL and Iberia, as they are both options that can get you from London to Fremont for a low price.

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

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

    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 London to Fremont on time: Singapore Airlines (79%), Air Canada (77%), Austrian Airlines (77%).

  • What are the cheapest flights from London to Fremont?

    Looking at all options, your cheapest flight can be booked for £415. While the most popular route (London Heathrow - San Francisco) can be booked for £382 on average our data indicates £1,839 when flying from London to Fremont.

  • 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 holiday 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 to Fremont?

    Currently, February is the cheapest month in which you can book a flight from London to Fremont (average of £538). Flying from London to Fremont in July 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

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Alternative routes for London to Fremont

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

Top 10 airlines flying from London to Fremont

Discover the top 10 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 858,174 searches. Data last updated 23 February 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£306Average£517FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£318Average£484FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£335Average£466FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£366Average£458FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£369Average£480FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£372Average£555FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£380Average£524FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£385Average£627FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£393Average£546FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Austrian AirlinesCheapest£398Average£504FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Fremont?

Deals for London to Fremont flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Fremont?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Fremont.

Can Cheapflights find flights from London to Fremont with no change fees?

Yes, we can. To see specific flights from London to Fremont with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Fremont become cheaper?

Yes, Cheapflights offers price alerts on London to Fremont flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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