Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Fremont from £446

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Fremont are usually found in February or September, booked 51 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from London to Fremont

Enter your travel dates to find the best prices.

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 15 June 2026.

Mon 24/812:25
LTN
-
SFO
3 stops34h 15m
Multiple Airlines
Mon 7/916:45
SFO
-
LTN
2 stops22h 05m
Multiple Airlines
Deal found 11/6£520
Mon 6/715:00
LHR
-
SFO
1 stop31h 37m
Finnair
Sun 12/719:30
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 12/6£520
Wed 4/1110:00
LGW
-
SFO
2 stops20h 51m
Virgin Atlantic
Wed 11/1110:31
SFO
-
LGW
2 stops21h 14m
Virgin Atlantic
Deal found 11/6£520
Sat 20/608:20
LHR
-
SFO
1 stop21h 46m
Iberia
Thu 25/613:35
SFO
-
LHR
1 stop15h 10m
Iberia
Deal found 12/6£521
Wed 1/709:25
LGW
-
SFO
2 stops18h 37m
SWISS
Wed 22/714:40
SFO
-
LGW
2 stops33h 45m
SWISS
Deal found 11/6£521
Thu 24/910:00
LCY
-
SFO
2 stops18h 18m
Virgin Atlantic
Sun 27/913:45
SFO
-
LCY
1 stop20h 45m
Virgin Atlantic
Deal found 12/6£521
Tue 18/806:30
LHR
-
SFO
1 stop13h 15m
Delta
Mon 22/216:45
SFO
-
LHR
Nonstop10h 10m
Delta
Deal found 10/6£522
Thu 27/810:25
LGW
-
SFO
2 stops21h 30m
Air France
Mon 7/915:05
SFO
-
LGW
1 stop16h 55m
Air France
Deal found 13/6£522
Tue 1/915:10
STN
-
SFO
2 stops31h 30m
Multiple Airlines
Tue 15/916:45
SFO
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 13/6£522
Mon 16/1108:40
LCY
-
SFO
2 stops23h 19m
Virgin Atlantic
Sat 28/1113:50
SFO
-
LCY
1 stop21h 45m
Virgin Atlantic
Deal found 14/6£522
Mon 6/715:00
LHR
-
SFO
1 stop31h 37m
Finnair
Sun 26/716:35
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 15/6£523
Mon 24/809:25
LGW
-
SFO
1 stop15h 10m
SWISS
Mon 7/914:40
SFO
-
LGW
2 stops19h 10m
SWISS
Deal found 11/6£523

Find flight deals from London to Fremont

Keep the following information in mind while searching for London to Fremont flight deals. Data was last updated 15 June 2026.

Round-trip from

£520

One-way from

£446

Popular in

December

Cheapest in

February

Average price

£581
24/8-7/9
  • 24/8-7/9
  • 5 total stops
  • 56h 20m total
  • London to Fremont
Search Deals
28/7
  • 28/7
  • 3 total stops
  • 46h 00m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
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 15 June 2026.
Use the filters below to find and compare flights from London to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 9/9

20:50-13:15

2 stops24h 25m

San Francisco

Wed 23/9

15:15-20:10

2 stops20h 55m

£520

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 15/8

15:15-23:58

1 stop16h 43m

San Francisco

Wed 26/8

16:05-06:20

1 stop30h 15m

£520

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 15/8

15:15-23:58

1 stop16h 43m

San Francisco

Wed 17/2

16:15-16:50

1 stop16h 35m

£525

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 24/11

10:00-22:51

2 stops20h 51m

San Francisco

Tue 8/12

06:00-07:15

2 stops17h 15m

£536

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 9/9

16:25-14:30

1 stop30h 05m

San Francisco

Tue 15/9

19:20-09:45

2 stops30h 25m

£546

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 30/8

06:30-11:45

1 stop13h 15m

San Francisco

Tue 15/9

08:55-06:45

1 stop13h 50m

£553
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

16:15-19:10

Nonstop10h 55m

San Francisco

Tue 11/8

13:05-07:25

Nonstop10h 20m

£557

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 21/7

07:45-19:28

1 stop19h 43m

San Francisco

Sun 26/7

19:50-14:10

Nonstop10h 20m

£561

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 31/8

09:25-16:15

1 stop14h 50m

San Francisco

Thu 1/10

14:40-17:50

2 stops19h 10m

£565

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 11/10

19:15-16:15

2 stops29h 00m

San Francisco

Sun 18/10

14:25-13:00

1 stop14h 35m

£567

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.

Cheapflights Insights

Everything you need to know about your flight from London to Fremont

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 15 June 2026.

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.

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 15 June 2026.

The most flights from LON to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 on average).

How much does it cost for a return flight from London to Fremont?

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 15 June 2026.
See what other customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines 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.
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
935 reviews
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.5
Good
690 reviews
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,830 reviews
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
8,061 reviews
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
8,050 reviews
Austrian Airlines
7.6
Good
935 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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.

  • How long is the flight from London to Fremont?

    For as low as £520, Delta can have you in Fremont from London in 16h 43m. London and Fremont are separated by a distance of 5350 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £273. However, be on the lookout for offers from Virgin Atlantic 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?

    The most popular route from London to Fremont is London Heathrow - San Francisco. You may also consider London Gatwick - San Francisco or London City - San Francisco.

  • 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: Air Canada (89%), Austrian Airlines (89%), United Airlines (89%).

  • What are the cheapest flights from London to Fremont?

    Looking at all options, your cheapest flight can be booked for £429. While the most popular route (London Heathrow - San Francisco) can be booked for £349 on average, our data indicates £1,180 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Ontario flights
Gatwick to San Francisco flights
Luton to Los Angeles flights
London City to San Francisco flights
Stansted to San Francisco flights
Gatwick to Las Vegas flights
Stansted to Las Vegas flights
Heathrow to San Diego flights
London City to Las Vegas flights
Luton to San Francisco flights
Heathrow to San Jose flights
Heathrow to Santa Ana flights
Manchester to Las Vegas flights
Manchester to Los Angeles flights
Gatwick to Burbank flights
Luton to Las Vegas flights
Gatwick to San Diego flights
London City to San Diego flights
Manchester to San Francisco flights
Stansted to San Diego flights
Heathrow to Burbank flights
Birmingham to Los Angeles flights
Manchester to Ontario flights
Manchester to Santa Ana flights
Heathrow to Sacramento flights
Heathrow to Long Beach flights
Gatwick to Oakland flights
Gatwick to Santa Ana flights
Birmingham to Las Vegas flights
Gatwick to San Jose flights
Newcastle upon Tyne to Los Angeles flights
Gatwick to Sacramento flights
Edinburgh to Los Angeles flights
Gatwick to Ontario flights
Edinburgh to San Francisco flights
Manchester to San Jose flights
London City to Sacramento flights
Southampton to Los Angeles flights
Manchester to San Diego flights
Southend to Los Angeles flights
Heathrow to Palm Springs flights
Birmingham to San Francisco flights
Newcastle upon Tyne to San Francisco flights
Birmingham to Santa Ana flights

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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£321Average£679FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£351Average£454FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£354Average£578FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£357Average£490FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£360Average£470FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£372Average£529FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£375Average£500FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air CanadaCheapest£378Average£603FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£379Average£552FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£384Average£646FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.