Cheap flights from London Heathrow Airport to Fremont from £431
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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
31 Jul — 7 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 81 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Heathrow to Fremont
Enter your travel dates to find the best prices.
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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 1 July 2026.
Tue 24/1106:30
LHR
-
SFO
1 stop13h 15m
KLM
Tue 1/1216:45
SFO
-
LHR
Nonstop10h 10m
KLM
Deal found 27/6£454
Mon 14/920:55
LHR
-
SFO
1 stop22h 50m
Virgin Atlantic
Mon 21/923:50
SFO
-
LHR
2 stops22h 55m
Virgin Atlantic
Deal found 26/6£455
Tue 20/1020:55
LHR
-
SFO
1 stop22h 50m
Virgin Atlantic
Tue 24/1106:00
SFO
-
LHR
1 stop20h 00m
Virgin Atlantic
Deal found 28/6£456
Tue 8/919:15
LHR
-
SFO
1 stop24h 30m
Virgin Atlantic
Tue 29/913:20
SFO
-
LHR
1 stop13h 40m
Virgin Atlantic
Deal found 26/6£458
Fri 20/1111:40
LHR
-
SFO
Nonstop11h 00m
Virgin Atlantic
Sat 12/1210:31
SFO
-
LHR
1 stop15h 59m
Virgin Atlantic
Deal found 27/6£460
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Sun 6/914:05
SFO
-
LHR
1 stop13h 50m
Lufthansa
Deal found 1/7£461
Wed 2/920:55
LHR
-
SFO
1 stop22h 50m
Virgin Atlantic
Tue 15/917:38
SFO
-
LHR
1 stop13h 57m
Virgin Atlantic
Deal found 1/7£462
Mon 9/1106:30
LHR
-
SFO
1 stop13h 15m
Virgin Atlantic
Sun 15/1111:35
SFO
-
LHR
1 stop13h 10m
Virgin Atlantic
Deal found 28/6£463
Thu 27/807:25
LHR
-
SFO
1 stop14h 55m
Lufthansa
Tue 8/921:05
SFO
-
LHR
1 stop17h 35m
Lufthansa
Deal found 30/6£464
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Mon 7/921:05
SFO
-
LHR
1 stop17h 35m
Lufthansa
Deal found 1/7£465
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 1 July 2026.
Tue 29/906:30
LHR
-
SFO
1 stop13h 15m
Delta
Tue 6/1010:35
SFO
-
LHR
1 stop17h 35m
Delta
Deal found 27/6£494
Wed 21/1008:40
LHR
-
SFO
1 stop15h 35m
United Airlines
Wed 2/1212:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 26/6£505
Mon 13/707:00
LHR
-
SFO
2 stops17h 15m
SWISS
Thu 6/819:35
SFO
-
LHR
1 stop14h 15m
SWISS
Deal found 29/6£618
Sun 16/821:05
LHR
-
SFO
2 stops25h 35m
Scandinavian Airlines
Thu 10/1216:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Deal found 1/7£660
Wed 4/1109:00
LHR
-
SFO
1 stop15h 30m
United Airlines
Sun 8/1116:40
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 30/6£507
Fri 25/1211:40
LHR
-
SFO
Nonstop11h 00m
Delta
Fri 1/106:05
SFO
-
LHR
1 stop20h 25m
Delta
Deal found 27/6£544
Mon 19/1013:00
LHR
-
SFO
Nonstop11h 00m
United Airlines
Fri 4/1216:40
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 26/6£533
Fri 21/810:35
LHR
-
SFO
Nonstop11h 00m
United Airlines
Sat 5/908:45
SFO
-
LHR
1 stop16h 55m
United Airlines
Deal found 26/6£533
Wed 15/707:00
LHR
-
SFO
2 stops17h 15m
SWISS
Tue 21/714:20
SFO
-
LHR
2 stops18h 15m
SWISS
Deal found 28/6£667
Mon 28/1215:20
LHR
-
SFO
1 stop16h 47m
United Airlines
Mon 4/114:45
SFO
-
LHR
1 stop13h 05m
United Airlines
Deal found 30/6£596
Wed 15/711:25
LHR
-
SFO
1 stop19h 31m
United Airlines
Tue 21/716:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 29/6£626
Wed 22/713:40
LHR
-
SFO
1 stop18h 25m
United Airlines
Wed 12/819:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 26/6£651
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 1 July 2026.
Tue 24/1111:40
LHR
-
SFO
Nonstop11h 00m
KLM
Tue 1/1216:45
SFO
-
LHR
Nonstop10h 10m
KLM
Deal found 27/6£467
Tue 8/912:45
LHR
-
SFO
Nonstop11h 00m
Virgin Atlantic
Tue 29/923:15
SFO
-
LHR
Nonstop10h 15m
Virgin Atlantic
Deal found 26/6£470
Mon 19/1010:35
LHR
-
SFO
Nonstop11h 00m
Austrian Airlines
Mon 30/1112:50
SFO
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 26/6£475
Fri 18/913:00
LHR
-
SFO
Nonstop11h 00m
Austrian Airlines
Tue 22/919:45
SFO
-
LHR
Nonstop10h 25m
Austrian Airlines
Deal found 26/6£479
Thu 17/913:00
LHR
-
SFO
Nonstop11h 00m
Austrian Airlines
Wed 23/919:45
SFO
-
LHR
Nonstop10h 25m
Austrian Airlines
Deal found 26/6£480
Mon 14/912:45
LHR
-
SFO
Nonstop11h 00m
Virgin Atlantic
Mon 21/917:55
SFO
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 26/6£481
Fri 20/1111:40
LHR
-
SFO
Nonstop11h 00m
Air France
Sun 29/1116:45
SFO
-
LHR
Nonstop10h 10m
Air France
Deal found 28/6£482
Tue 6/1012:45
LHR
-
SFO
Nonstop11h 00m
Air France
Thu 22/1017:55
SFO
-
LHR
Nonstop10h 20m
Air France
Deal found 27/6£482
Wed 16/912:45
LHR
-
SFO
Nonstop11h 00m
Air France
Fri 16/1017:55
SFO
-
LHR
Nonstop10h 20m
Air France
Deal found 27/6£484
Wed 9/918:30
LHR
-
SFO
Nonstop10h 55m
Virgin Atlantic
Tue 15/917:55
SFO
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 28/6£485
Mon 14/910:35
LHR
-
SFO
Nonstop11h 00m
Brussels Airlines
Mon 21/912:55
SFO
-
LHR
Nonstop10h 30m
Brussels Airlines
Deal found 30/6£486
Thu 27/810:35
LHR
-
SFO
Nonstop11h 00m
Brussels Airlines
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Brussels Airlines
Deal found 1/7£486
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 1 July 2026 and is based on user searches.
Fri 3/714:45
LHR
-
SFO
1 stop17h 13m
Finnair
Fri 10/713:39
SFO
-
LHR
1 stop13h 11m
Finnair
Deal found 26/6£512
Fri 10/708:40
LHR
-
SFO
1 stop15h 35m
Multiple Airlines
Tue 14/719:50
SFO
-
LHR
Nonstop10h 20m
Multiple Airlines
Deal found 26/6£516
Fri 10/708:40
LHR
-
SFO
1 stop15h 35m
SWISS
Mon 13/719:35
SFO
-
LHR
1 stop15h 45m
SWISS
Deal found 26/6£522
Fri 10/708:40
LHR
-
SFO
1 stop15h 35m
SWISS
Tue 14/714:20
SFO
-
LHR
1 stop19h 30m
SWISS
Deal found 26/6£526
Tue 14/710:25
LHR
-
SFO
1 stop17h 03m
United Airlines
Wed 12/806:00
SFO
-
LHR
1 stop17h 15m
United Airlines
Deal found 27/6£473
Tue 14/710:25
LHR
-
SFO
1 stop20h 34m
United Airlines
Thu 6/814:20
SFO
-
LHR
1 stop14h 05m
United Airlines
Deal found 28/6£476
Tue 14/710:25
LHR
-
SFO
1 stop18h 12m
United Airlines
Sat 8/812:15
SFO
-
LHR
1 stop15h 20m
United Airlines
Deal found 28/6£495
Tue 14/708:00
LHR
-
SFO
1 stop18h 49m
United Airlines
Fri 14/812:24
SFO
-
LHR
1 stop15h 11m
United Airlines
Deal found 30/6£518
Tue 14/710:25
LHR
-
SFO
1 stop19h 03m
United Airlines
Sun 9/812:43
SFO
-
LHR
1 stop12h 57m
United Airlines
Deal found 28/6£525
Wed 15/711:05
LHR
-
SFO
1 stop18h 13m
United Airlines
Mon 10/808:31
SFO
-
LHR
1 stop17h 09m
United Airlines
Deal found 28/6£493
Wed 15/711:25
LHR
-
SFO
1 stop14h 05m
United Airlines
Sun 9/821:15
SFO
-
LHR
1 stop16h 20m
United Airlines
Deal found 28/6£516
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 1 July 2026.
Mon 24/821:10
LHR
-
SFO
3 stops31h 30m
Multiple Airlines
Deal found 30/6£431
Wed 19/815:00
LHR
-
SFO
1 stop30h 50m
Multiple Airlines
Deal found 30/6£432
Sat 12/909:55
LHR
-
SFO
3 stops43h 23m
Multiple Airlines
Deal found 26/6£433
Sun 27/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Deal found 28/6£433
Fri 10/719:35
LHR
-
SFO
2 stops37h 24m
Aer Lingus
Deal found 30/6£434
Mon 6/719:35
LHR
-
SFO
2 stops37h 24m
Aer Lingus
Deal found 30/6£435
Mon 17/815:00
LHR
-
SFO
2 stops32h 55m
Multiple Airlines
Deal found 29/6£436
Thu 20/820:25
LHR
-
SFO
2 stops24h 15m
Lufthansa
Deal found 30/6£437
Mon 12/1020:10
LHR
-
SFO
2 stops45h 12m
Aer Lingus
Deal found 28/6£439
Sun 30/817:50
LHR
-
SFO
3 stops28h 15m
Multiple Airlines
Deal found 1/7£439
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 1 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 1 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 29/9
06:30-11:45
1 stop13h 15m
San Francisco
Tue 6/10
10:35-12:10
1 stop17h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 21/10
08:40-16:15
1 stop15h 35m
San Francisco
Wed 2/12
12:50-07:25
Nonstop10h 35m
£505
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 4/11
09:00-16:30
1 stop15h 30m
San Francisco
Sun 8/11
16:40-11:15
Nonstop10h 35m
£507
Fastest return journey
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 19/10
13:00-16:00
Nonstop11h 00m
San Francisco
Fri 4/12
16:40-11:15
Nonstop10h 35m
£533
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 21/8
10:35-13:35
Nonstop11h 00m
San Francisco
Sat 5/9
08:45-09:40
1 stop16h 55m
£533
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 25/12
11:40-14:40
Nonstop11h 00m
San Francisco
Fri 1/1
06:05-10:30
1 stop20h 25m
£544
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 28/12
15:20-00:07
1 stop16h 47m
San Francisco
Mon 4/1
14:45-11:50
1 stop13h 05m
£596
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 13/7
07:00-16:15
2 stops17h 15m
San Francisco
Thu 6/8
19:35-17:50
1 stop14h 15m
£618
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 15/7
11:25-22:56
1 stop19h 31m
San Francisco
Tue 21/7
16:50-11:10
Nonstop10h 20m
£626
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 22/7
13:40-00:05
1 stop18h 25m
San Francisco
Wed 12/8
19:50-14:10
Nonstop10h 20m
£651
Flights are sorted by cheapest return flights first.
Deals found on 30/6
Showing 1-10 of 23 resultsSorted by cheapest first
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2
3
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 1 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 1 July 2026.
The most flights from LHR 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 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 1 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.
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 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?
Delta and United Airlines can get you from London Heathrow Airport to Fremont in just under 13h 15m. Your travel time can differ by up to 2h 20m. 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 £276. Virgin Atlantic flights start at £329 while deals on Iberia start at £330 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 (87%), Austrian Airlines (87%), United Airlines (87%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,729 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £359 while the most popular route, (London Heathrow - San Francisco) is currently priced at £461.
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 1 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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