Cheap flights from London Heathrow Airport to Fremont from £416
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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
7 Aug — 14 Aug1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Fremont are usually found in February or September, booked 23 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Heathrow to Fremont
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Cheapest flights from Heathrow to Fremont
Explore the most affordable flight options available from Heathrow to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2026.
Wed 22/708:00
LHR
-
SFO
1 stop18h 49m
United Airlines
Wed 21/1008:55
SFO
-
LHR
1 stop17h 15m
United Airlines
Deal found 7/7£453
Fri 21/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/908:10
SFO
-
LHR
1 stop14h 45m
Lufthansa
Deal found 3/7£455
Thu 27/806:55
LHR
-
SFO
1 stop20h 05m
Lufthansa
Tue 8/916:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 3/7£460
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 4/7£460
Wed 23/911:30
LHR
-
SFO
1 stop16h 20m
Lufthansa
Tue 29/912:55
SFO
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 4/7£461
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Mon 7/921:05
SFO
-
LHR
1 stop17h 35m
Lufthansa
Deal found 3/7£463
Fri 11/909:00
LHR
-
SFO
1 stop18h 00m
Lufthansa
Sun 20/919:25
SFO
-
LHR
1 stop14h 15m
Lufthansa
Deal found 3/7£464
Sun 23/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/919:20
SFO
-
LHR
1 stop17h 20m
Lufthansa
Deal found 3/7£465
Tue 10/1120:25
LHR
-
SFO
1 stop23h 20m
Virgin Atlantic
Tue 24/1106:00
SFO
-
LHR
1 stop20h 00m
Virgin Atlantic
Deal found 6/7£466
Fri 11/909:00
LHR
-
SFO
1 stop18h 00m
Lufthansa
Fri 25/919:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 4/7£469
Best flights from Heathrow to Fremont
Discover carefully curated flight deals from Heathrow to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 July 2026.
Tue 25/808:45
LHR
-
SFO
1 stop15h 50m
United Airlines
Mon 14/919:45
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 3/7£505
Wed 28/1015:10
LHR
-
SFO
1 stop15h 19m
British Airways
Sat 7/1114:06
SFO
-
LHR
1 stop13h 54m
British Airways
Deal found 6/7£521
Wed 26/820:05
LHR
-
SFO
1 stop28h 10m
SWISS
Sun 13/919:35
SFO
-
LHR
2 stops17h 55m
SWISS
Deal found 3/7£531
Mon 4/109:40
LHR
-
SFO
1 stop22h 12m
Delta
Mon 11/106:15
SFO
-
LHR
1 stop16h 50m
Delta
Deal found 7/7£537
Mon 7/919:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Mon 21/916:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 4/7£552
Fri 6/1109:00
LHR
-
SFO
1 stop15h 30m
United Airlines
Tue 10/1112:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 4/7£506
Mon 4/111:45
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/110:29
SFO
-
LHR
1 stop13h 41m
British Airways
Deal found 7/7£524
Tue 6/1020:05
LHR
-
SFO
1 stop28h 30m
SWISS
Tue 13/1014:25
SFO
-
LHR
2 stops18h 10m
SWISS
Deal found 7/7£531
Thu 27/810:35
LHR
-
SFO
Nonstop11h 00m
United Airlines
Wed 9/919:45
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 6/7£534
Fri 11/907:00
LHR
-
SFO
2 stops17h 15m
SWISS
Sun 20/919:35
SFO
-
LHR
2 stops17h 55m
SWISS
Deal found 7/7£556
Thu 27/816:15
LHR
-
SFO
Nonstop10h 55m
United Airlines
Thu 3/913:15
SFO
-
LHR
1 stop13h 25m
United Airlines
Deal found 4/7£537
Direct flights from Heathrow to Fremont
Explore direct flight options from Heathrow to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 July 2026.
Fri 21/816:15
LHR
-
SFO
Nonstop10h 55m
Lufthansa
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 3/7£480
Wed 2/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Tue 15/919:30
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 8/7£481
Wed 2/912:45
LHR
-
SFO
Nonstop11h 00m
Virgin Atlantic
Tue 15/917:55
SFO
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 3/7£484
Thu 27/810:35
LHR
-
SFO
Nonstop11h 00m
Brussels Airlines
Mon 7/919:50
SFO
-
LHR
Nonstop10h 20m
Brussels Airlines
Deal found 3/7£484
Tue 22/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Fri 2/1016:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 4/7£487
Thu 27/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Wed 9/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 6/7£488
Wed 26/810:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Wed 9/916:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 5/7£490
Wed 26/810:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Tue 15/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 6/7£490
Thu 20/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Fri 11/916:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 4/7£493
Fri 11/913:00
LHR
-
SFO
Nonstop11h 00m
Brussels Airlines
Fri 25/919:45
SFO
-
LHR
Nonstop10h 25m
Brussels Airlines
Deal found 4/7£494
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 8 July 2026 and is based on user searches.
Wed 22/708:00
LHR
-
SFO
1 stop18h 49m
United Airlines
Wed 21/1008:55
SFO
-
LHR
1 stop17h 15m
United Airlines
Deal found 7/7£453
Fri 21/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/908:10
SFO
-
LHR
1 stop14h 45m
Lufthansa
Deal found 3/7£455
Sun 23/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 3/7£461
Thu 27/807:25
LHR
-
SFO
1 stop19h 35m
Lufthansa
Tue 8/913:54
SFO
-
LHR
1 stop14h 01m
Lufthansa
Deal found 3/7£460
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 4/7£460
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Mon 7/921:05
SFO
-
LHR
1 stop17h 35m
Lufthansa
Deal found 3/7£463
Thu 27/808:45
LHR
-
SFO
1 stop15h 50m
Multiple Airlines
Wed 9/908:10
SFO
-
LHR
1 stop14h 45m
Multiple Airlines
Deal found 4/7£472
One-way flights from Heathrow to Fremont
Search for one-way flight options from Heathrow to Fremont. Find affordable one-way fares based on user searches. Data last updated 8 July 2026.
Mon 12/1007:40
LHR
-
SFO
2 stops24h 19m
Aer Lingus
Deal found 7/7£416
Wed 7/1021:05
LHR
-
SFO
3 stops32h 13m
Multiple Airlines
Deal found 7/7£419
Fri 1/108:50
LHR
-
SFO
2 stops23h 09m
Aer Lingus
Deal found 7/7£420
Sat 12/919:50
LHR
-
SFO
3 stops48h 10m
Multiple Airlines
Deal found 7/7£421
Tue 18/820:50
LHR
-
SFO
2 stops49h 40m
Multiple Airlines
Deal found 3/7£425
Thu 20/820:05
LHR
-
SFO
1 stop28h 10m
SWISS
Deal found 6/7£426
Wed 19/809:15
LHR
-
SFO
2 stops37h 15m
Multiple Airlines
Deal found 7/7£428
Fri 21/806:55
LHR
-
SFO
1 stop20h 05m
United Airlines
Deal found 3/7£429
Fri 4/917:50
LHR
-
SFO
3 stops31h 45m
Multiple Airlines
Deal found 5/7£430
Find flight deals from Heathrow to Fremont
Keep the following information in mind while searching for Heathrow to Fremont flight deals. Data was last updated 8 July 2026.
Customise your flight search to find flights from Heathrow 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 8 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 25/8
08:45-16:35
1 stop15h 50m
San Francisco
Mon 14/9
19:45-14:10
Nonstop10h 25m
£505
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 6/11
09:00-16:30
1 stop15h 30m
San Francisco
Tue 10/11
12:50-07:25
Nonstop10h 35m
£506
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 28/10
15:10-23:29
1 stop15h 19m
San Francisco
Sat 7/11
14:06-12:00
1 stop13h 54m
£521
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 4/1
11:45-14:55
Nonstop11h 10m
San Francisco
Mon 11/1
10:29-08:10
1 stop13h 41m
£524
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 26/8
20:05-16:15
1 stop28h 10m
San Francisco
Sun 13/9
19:35-21:30
2 stops17h 55m
£531
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 6/10
20:05-16:35
1 stop28h 30m
San Francisco
Tue 13/10
14:25-16:35
2 stops18h 10m
£531
Fastest return journey
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 27/8
10:35-13:35
Nonstop11h 00m
San Francisco
Wed 9/9
19:45-14:10
Nonstop10h 25m
£534
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 4/1
09:40-23:52
1 stop22h 12m
San Francisco
Mon 11/1
06:15-07:05
1 stop16h 50m
£537
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 27/8
16:15-19:10
Nonstop10h 55m
San Francisco
Thu 3/9
13:15-10:40
1 stop13h 25m
£537
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 7/9
19:50-14:40
2 stops26h 50m
San Francisco
Mon 21/9
16:45-17:40
1 stop16h 55m
£552
Flights are sorted by cheapest return flights first.
Deals found on 7/7
Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from Heathrow with our price prediction graph.
LHR-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 Heathrow Airport to Fremont
LHR-FR8
LHR-SFO
What is the cheapest time of day to fly from LHR to FR8?
Find hourly flight availability from Heathrow 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 8 July 2026.
When flying from London Heathrow Airport 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 Heathrow Airport to Fremont
Explore weekly flight availability from Heathrow 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 8 July 2026.
The most flights from LHR to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (37 on average).
How much does it cost for a return flight from London Heathrow Airport 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 8 July 2026.
Get a feel of what it's like to fly with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to Fremont by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Related info for your journey
Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Fremont?
United Airlines, British Airways, and SWISS can get you from London Heathrow Airport to Fremont in just under 15h 19m. Your travel time can differ by up to 12h 51m. Airlines will cover a distance of 5350 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to Fremont one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £271. Virgin Atlantic flights start at £325 while deals on Iberia start at £327 one-way.
What are the most reliable airlines from London Heathrow Airport 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 Heathrow Airport to Fremont on time: Air Canada (83%), Austrian Airlines (83%), United Airlines (83%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,683 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £344 while the most popular route, (London Heathrow - San Francisco) is currently priced at £382.
Can I find deals for business class flights from Heathrow to Fremont?
Yes. Cheapflights offers flight deals from Heathrow 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.
Discover the top 10 airlines that operate flights from Heathrow 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 8 July 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 Heathrow to Fremont?
Deals for Heathrow 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 Heathrow to Fremont?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Fremont from Heathrow.
Can Cheapflights find flights from Heathrow to Fremont with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Fremont with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Fremont become cheaper?
Yes! Start tracking prices for Heathrow to Fremont flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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