This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
11 Oct — 18 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Fremont are usually found in February or November, booked 79 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from London to Fremont
Enter your travel dates to find the best prices.
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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 11 September 2026.
Sat 10/1009:30 -
1 stop19h 17m
Sat 17/1019:45 -
Nonstop10h 25m
Deal found 10/9£404
Tue 6/1019:15 -
1 stop29h 00m
Thu 22/1019:35 -
1 stop28h 50m
Deal found 10/9£404
Sat 3/1009:30 -
1 stop19h 17m
Mon 5/1016:45 -
Nonstop10h 25m
Deal found 10/9£405
Sun 20/913:05 -
1 stop15h 12m
Sat 26/912:35 -
1 stop13h 05m
Deal found 9/9£406
Mon 28/909:25 -
1 stop15h 10m
Mon 5/1019:35 -
1 stop28h 50m
Deal found 10/9£406
Sun 20/913:05 -
1 stop16h 42m
Wed 30/906:15 -
1 stop19h 25m
Deal found 10/9£406
Fri 2/1014:05 -
1 stop15h 43m
Tue 20/1023:39 -
1 stop22h 51m
Deal found 10/9£407
Wed 7/1009:15 -
1 stop15h 00m
Wed 14/1019:35 -
1 stop13h 50m
Deal found 10/9£407
Wed 7/1012:05 -
2 stops19h 15m
Tue 20/1010:47 -
1 stop18h 33m
Deal found 10/9£408
Fri 23/1009:30 -
2 stops17h 24m
Fri 30/1010:15 -
1 stop18h 35m
Deal found 8/9£409
Wed 16/1210:25 -
1 stop16h 30m
Fri 8/114:45 -
1 stop13h 05m
Deal found 10/9£409
Wed 30/915:05 -
1 stop16h 15m
Fri 6/1108:25 -
2 stops18h 55m
Deal found 10/9£410
Best flights from London to Fremont
Discover carefully curated flight deals from London to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.
Mon 2/1111:35 -
2 stops16h 35m
Mon 9/1106:35 -
1 stop15h 20m
Deal found 9/9£406
Fri 25/909:30 -
2 stops19h 29m
Fri 2/1008:10 -
1 stop14h 25m
Deal found 10/9£417
Thu 19/1110:00 -
2 stops30h 58m
Wed 2/1210:38 -
2 stops21h 07m
Deal found 7/9£460
Wed 7/1006:30 -
1 stop14h 10m
Fri 16/1012:55 -
Nonstop10h 30m
Deal found 8/9£460
Fri 18/1214:45 -
1 stop17h 14m
Mon 4/114:37 -
1 stop13h 43m
Deal found 7/9£491
Wed 23/909:25 -
2 stops17h 06m
Thu 12/1114:20 -
2 stops19h 30m
Deal found 8/9£494
Mon 21/1210:00 -
1 stop33h 45m
Sat 2/113:50 -
1 stop35h 00m
Deal found 9/9£536
Wed 7/1008:00 -
2 stops20h 59m
Wed 14/1008:30 -
2 stops26h 30m
Deal found 9/9£564
Sat 9/110:10 -
2 stops60h 35m
Fri 22/119:15 -
2 stops29h 05m
Deal found 6/9£593
Thu 29/1018:05 -
1 stop29h 30m
Tue 3/1117:20 -
1 stop16h 10m
Deal found 9/9£658
Mon 2/1110:55 -
1 stop38h 35m
Mon 16/1118:35 -
1 stop31h 20m
Deal found 6/9£737
Tue 1/1216:45 -
2 stops30h 05m
Sun 6/1210:38 -
2 stops21h 07m
Deal found 6/9£460
Mon 21/909:15 -
1 stop18h 35m
Mon 28/913:55 -
1 stop20h 00m
Deal found 10/9£465
Tue 22/1210:05 -
Nonstop11h 15m
Tue 29/1206:34 -
1 stop17h 21m
Deal found 7/9£512
Tue 24/1117:50 -
1 stop25h 55m
Thu 3/1206:00 -
2 stops17h 15m
Deal found 7/9£470
Thu 14/109:50 -
1 stop14h 15m
Sat 30/118:50 -
1 stop13h 50m
Deal found 8/9£498
Tue 22/1210:05 -
Nonstop11h 15m
Tue 5/123:59 -
1 stop23h 41m
Deal found 6/9£512
Mon 2/1116:45 -
1 stop28h 10m
Mon 9/1115:10 -
1 stop16h 35m
Deal found 9/9£471
Mon 21/916:25 -
1 stop29h 10m
Mon 28/916:30 -
1 stop33h 15m
Deal found 10/9£595
Mon 21/905:55 -
2 stops23h 04m
Mon 28/908:30 -
2 stops23h 00m
Deal found 10/9£607
Mon 5/1007:00 -
2 stops17h 15m
Tue 20/1014:25 -
2 stops20h 05m
Deal found 6/9£608
Wed 14/1009:20 -
2 stops18h 46m
Thu 22/1013:45 -
1 stop20h 45m
Deal found 8/9£483
Thu 14/114:45 -
1 stop14h 55m
Fri 15/106:18 -
2 stops22h 02m
Deal found 8/9£667
Fri 25/907:00 -
2 stops17h 15m
Fri 2/1014:25 -
2 stops20h 05m
Deal found 10/9£629
Tue 3/1121:30 -
2 stops25h 15m
Thu 12/1106:30 -
3 stops25h 45m
Deal found 5/9£632
Sat 24/1021:15 -
2 stops50h 30m
Sat 31/1017:35 -
2 stops33h 30m
Deal found 9/9£649
Sun 31/117:20 -
1 stop31h 10m
Sun 14/218:35 -
1 stop37h 45m
Deal found 7/9£757
Fri 9/1019:15 -
1 stop29h 20m
Wed 14/1014:25 -
1 stop14h 10m
Deal found 8/9£633
Wed 23/921:50 -
1 stop23h 25m
Wed 30/915:15 -
1 stop21h 50m
Deal found 5/9£638
Mon 2/1110:00 -
2 stops23h 15m
Fri 6/1110:35 -
2 stops21h 10m
Deal found 7/9£538
Direct flights from London to Fremont
Explore direct flight options from London to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.
Mon 11/110:05 -
Nonstop11h 15m
Mon 25/112:50 -
Nonstop10h 35m
Deal found 10/9£404
Wed 13/115:20 -
Nonstop11h 25m
Tue 26/117:25 -
Nonstop10h 25m
Deal found 9/9£406
Sat 9/111:45 -
Nonstop11h 10m
Fri 22/117:25 -
Nonstop10h 25m
Deal found 9/9£407
Sun 10/111:45 -
Nonstop11h 10m
Sun 17/120:35 -
Nonstop10h 35m
Deal found 8/9£409
Sun 24/111:45 -
Nonstop11h 10m
Sun 7/220:35 -
Nonstop10h 35m
Deal found 10/9£409
Thu 8/1016:15 -
Nonstop11h 00m
Thu 15/1016:45 -
Nonstop10h 25m
Deal found 10/9£416
Thu 19/1111:45 -
Nonstop11h 10m
Tue 24/1117:25 -
Nonstop10h 25m
Deal found 10/9£418
Tue 3/1111:45 -
Nonstop11h 10m
Sun 22/1117:25 -
Nonstop10h 25m
Deal found 10/9£419
Mon 21/913:00 -
Nonstop11h 05m
Mon 5/1016:45 -
Nonstop10h 25m
Deal found 8/9£420
Thu 24/916:15 -
Nonstop11h 00m
Mon 5/1019:45 -
Nonstop10h 25m
Deal found 8/9£423
Wed 7/1010:35 -
Nonstop11h 00m
Thu 15/1012:55 -
Nonstop10h 30m
Deal found 8/9£425
Tue 9/211:45 -
Nonstop11h 10m
Fri 26/220:35 -
Nonstop10h 35m
Deal found 8/9£426
Last-minute flights from London to Fremont
Discover last-minute flight deals from London to Fremont. Data last updated 11 September 2026 and is based on user searches.
Sun 20/913:05 -
1 stop15h 12m
Sat 26/912:35 -
1 stop13h 05m
Deal found 9/9£406
Sun 20/913:05 -
1 stop16h 42m
Wed 30/906:15 -
1 stop19h 25m
Deal found 10/9£406
Sun 20/909:30 -
1 stop33h 47m
Fri 9/1021:05 -
1 stop15h 40m
Deal found 10/9£409
Mon 28/909:25 -
1 stop15h 10m
Mon 5/1019:35 -
1 stop28h 50m
Deal found 10/9£406
Wed 30/915:05 -
1 stop16h 15m
Fri 6/1108:25 -
2 stops18h 55m
Deal found 10/9£410
Fri 2/1009:30 -
1 stop19h 17m
Sun 18/1023:39 -
1 stop26h 21m
Deal found 10/9£407
Sat 3/1009:30 -
1 stop19h 17m
Mon 5/1016:45 -
Nonstop10h 25m
Deal found 10/9£405
Tue 6/1019:15 -
1 stop29h 00m
Thu 22/1019:35 -
1 stop28h 50m
Deal found 10/9£404
Wed 7/1009:15 -
1 stop15h 00m
Wed 14/1019:35 -
1 stop13h 50m
Deal found 10/9£407
Wed 7/1012:05 -
2 stops19h 15m
Tue 20/1010:47 -
1 stop18h 33m
Deal found 10/9£408
Sat 10/1009:30 -
1 stop19h 17m
Sat 17/1019:45 -
Nonstop10h 25m
Deal found 10/9£404
Fri 23/1009:30 -
2 stops17h 24m
Fri 30/1010:15 -
1 stop18h 35m
Deal found 8/9£409
One-way flights from London to Fremont
Search for one-way flight options from London to Fremont. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.
Thu 4/315:35 -
1 stop17h 08m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£364
Tue 27/1017:45 -
1 stop30h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£364
Sun 15/1114:25 -
2 stops34h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£365
Wed 16/1208:40 -
1 stop15h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£365
Thu 17/1206:30 -
1 stop14h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£366
Sun 15/1108:40 -
1 stop15h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£366
Tue 27/1020:45 -
2 stops23h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£366
Wed 3/311:45 -
Nonstop11h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£368
Sun 15/1107:00 -
3 stops39h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£369
Sun 27/1216:55 -
1 stop15h 04m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£369
Fri 25/911:35 -
2 stops32h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£369
Wed 6/114:30 -
1 stop31h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£369
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 11 September 2026.
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 7,457,451 searches. Data last updated 11 September 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
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 15/11
14:25-16:30
2 stops34h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£366
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Fri 5/3
15:20-18:45
Nonstop11h 25m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£368
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 6/3
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£368
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Thu 4/3
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£368
LondonSan Francisco
LTN London Luton - SFO San Francisco
LTNSFO
London Luton
Mon 12/10
20:35-14:35
3 stops50h 00m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£386
LondonSan Francisco
SEN London Southend - SFO San Francisco
SENSFO
London Southend
Mon 1/2
07:05-11:45
3 stops36h 40m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£387
LondonSan Francisco
SEN London Southend - SFO San Francisco
SENSFO
London Southend
Sat 14/11
17:00-20:10
2 stops35h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£392
LondonSan Francisco
LGW London Gatwick - SFO San Francisco
LGWSFO
London Gatwick
Thu 22/10
09:25-16:35
1 stop15h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£397
LondonSan Francisco
LTN London Luton - SFO San Francisco
LTNSFO
London Luton
Mon 21/12
17:00-14:45
2 stops53h 45m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£397
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Fri 30/10
14:25-17:30
2 stops34h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£399
Flights are sorted by cheapest return flights first.
Deals found on 8/9
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.
LHR-SFO
LGW-SFO
LCY-SFO
LTN-SFO
STN-SFO
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
LON-FR8
LHR-SFO
LGW-SFO
LCY-SFO
LTN-SFO
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 11 September 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 11 September 2026.
The most flights from LON to FR8 are scheduled on a Monday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (38 on average).
How much does it cost for a return flight from London to Fremont?
Airfare is below average for this route at the moment.
London to Fremont flights typically cost between £435 and £573 in September.The cheapest return price found within the last 5 days was £404 on Air Canada (29 Sept–4 Oct).
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 11 September 2026.
See what other customers who have flown with Austrian Airlines,United Airlines, andVirgin Atlantic 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.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
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 £406, United Airlines can have you in Fremont from London in 16h 35m. 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 £294. However, be on the lookout for offers from Virgin Atlantic and British Airways, 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 (73%), Austrian Airlines (73%), United Airlines (73%).
What are the cheapest flights from London to Fremont?
Looking at all options, your cheapest flight can be booked for £354. While the most popular route (London Heathrow - San Francisco) can be booked for £298 on average, our data indicates £2,023 when flying 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.
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2026.
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 7,457,451 searches. Data last updated 11 September 2026.
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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