Cheap flights from London Heathrow Airport to Fremont from £447
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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
17 Jul — 24 Jul1
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
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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 17 June 2026.
Thu 20/806:30
LHR
-
SFO
1 stop13h 15m
Multiple Airlines
Tue 8/920:10
SFO
-
LHR
1 stop14h 25m
Multiple Airlines
Deal found 16/6£499
Tue 25/812:45
LHR
-
SFO
Nonstop11h 00m
Delta
Fri 11/923:15
SFO
-
LHR
Nonstop10h 15m
Delta
Deal found 16/6£500
Thu 20/812:45
LHR
-
SFO
Nonstop11h 00m
KLM
Mon 7/923:15
SFO
-
LHR
Nonstop10h 15m
KLM
Deal found 16/6£501
Thu 20/812:45
LHR
-
SFO
Nonstop11h 00m
Delta
Sun 6/914:00
SFO
-
LHR
1 stop14h 10m
Delta
Deal found 16/6£502
Mon 17/817:45
LHR
-
SFO
1 stop23h 51m
Delta
Tue 1/916:05
SFO
-
LHR
1 stop30h 15m
Delta
Deal found 16/6£503
Tue 30/608:45
LHR
-
SFO
1 stop15h 30m
United Airlines
Tue 21/716:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 16/6£504
Mon 24/820:35
LHR
-
SFO
2 stops36h 24m
Finnair
Wed 9/916:35
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 16/6£506
Tue 25/808:45
LHR
-
SFO
1 stop15h 30m
United Airlines
Mon 14/923:59
SFO
-
LHR
1 stop13h 26m
United Airlines
Deal found 16/6£507
Mon 19/1020:35
LHR
-
SFO
2 stops36h 08m
Finnair
Sat 24/1013:19
SFO
-
LHR
2 stops36h 11m
Finnair
Deal found 16/6£509
Mon 19/1006:55
LHR
-
SFO
1 stop15h 35m
United Airlines
Tue 27/1017:40
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 16/6£511
Sun 23/807:30
LHR
-
SFO
1 stop20h 15m
United Airlines
Thu 3/907:00
SFO
-
LHR
1 stop19h 10m
United Airlines
Deal found 16/6£511
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 17 June 2026.
Wed 9/1208:10
LHR
-
SFO
1 stop15h 25m
British Airways
Fri 11/1221:23
SFO
-
LHR
1 stop14h 37m
British Airways
Deal found 14/6£520
Wed 26/820:10
LHR
-
SFO
2 stops36h 49m
Finnair
Tue 8/908:45
SFO
-
LHR
1 stop16h 15m
Finnair
Deal found 15/6£530
Tue 7/711:25
LHR
-
SFO
1 stop16h 15m
United Airlines
Tue 14/713:00
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 15/6£536
Sun 6/906:15
LHR
-
SFO
1 stop14h 35m
Virgin Atlantic
Fri 11/914:15
SFO
-
LHR
1 stop13h 55m
Virgin Atlantic
Deal found 16/6£552
Sat 5/1215:35
LHR
-
SFO
2 stops31h 15m
Scandinavian Airlines
Fri 11/1216:45
SFO
-
LHR
2 stops32h 50m
Scandinavian Airlines
Deal found 12/6£557
Mon 7/919:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Sun 27/916:45
SFO
-
LHR
2 stops18h 05m
Scandinavian Airlines
Deal found 13/6£558
Fri 26/616:15
LHR
-
SFO
Nonstop10h 55m
United Airlines
Thu 13/812:35
SFO
-
LHR
1 stop13h 05m
United Airlines
Deal found 13/6£558
Fri 26/616:15
LHR
-
SFO
Nonstop10h 55m
United Airlines
Wed 12/816:45
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 13/6£558
Thu 17/919:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Wed 23/916:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Deal found 16/6£559
Tue 21/707:45
LHR
-
SFO
1 stop19h 43m
United Airlines
Sun 26/719:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 12/6£561
Wed 22/707:45
LHR
-
SFO
2 stops19h 10m
United Airlines
Wed 5/812:15
SFO
-
LHR
1 stop13h 55m
United Airlines
Deal found 15/6£563
Tue 14/707:30
LHR
-
SFO
2 stops23h 32m
United Airlines
Thu 13/808:10
SFO
-
LHR
1 stop14h 45m
United Airlines
Deal found 12/6£601
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 17 June 2026.
Tue 25/812:45
LHR
-
SFO
Nonstop11h 00m
Delta
Fri 11/923:15
SFO
-
LHR
Nonstop10h 15m
Delta
Deal found 16/6£500
Thu 20/812:45
LHR
-
SFO
Nonstop11h 00m
KLM
Mon 7/923:15
SFO
-
LHR
Nonstop10h 15m
KLM
Deal found 16/6£501
Thu 20/812:45
LHR
-
SFO
Nonstop11h 00m
Delta
Sat 5/923:15
SFO
-
LHR
Nonstop10h 15m
Delta
Deal found 16/6£517
Sat 10/1012:45
LHR
-
SFO
Nonstop11h 00m
Delta
Sat 17/1017:55
SFO
-
LHR
Nonstop10h 20m
Delta
Deal found 16/6£521
Tue 30/616:15
LHR
-
SFO
Nonstop10h 55m
Lufthansa
Tue 7/713:00
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 13/6£522
Fri 23/1010:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Sat 31/1018:30
SFO
-
LHR
Nonstop10h 30m
British Airways
Deal found 12/6£523
Sat 24/1012:45
LHR
-
SFO
Nonstop11h 00m
KLM
Fri 6/1116:45
SFO
-
LHR
Nonstop10h 10m
KLM
Deal found 15/6£526
Wed 16/912:45
LHR
-
SFO
Nonstop11h 00m
Delta
Thu 8/1017:55
SFO
-
LHR
Nonstop10h 20m
Delta
Deal found 15/6£528
Thu 2/716:15
LHR
-
SFO
Nonstop10h 55m
United Airlines
Wed 15/713:00
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 15/6£530
Sun 27/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Fri 2/1019:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 12/6£531
Sat 19/913:00
LHR
-
SFO
Nonstop11h 00m
United Airlines
Thu 8/1012:55
SFO
-
LHR
Nonstop10h 30m
United Airlines
Deal found 15/6£531
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 17 June 2026 and is based on user searches.
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
Tue 23/616:55
LHR
-
SFO
1 stop15h 14m
Iberia
Sun 5/706:04
SFO
-
LHR
2 stops24h 51m
Iberia
Deal found 12/6£525
Sat 27/608:20
LHR
-
SFO
1 stop21h 46m
Iberia
Tue 21/714:36
SFO
-
LHR
2 stops17h 44m
Iberia
Deal found 16/6£527
Sun 28/616:15
LHR
-
SFO
Nonstop10h 55m
Multiple Airlines
Sat 11/719:35
SFO
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 14/6£525
Mon 29/612:15
LHR
-
SFO
1 stop21h 00m
Lufthansa
Sun 5/722:59
SFO
-
LHR
2 stops24h 16m
Lufthansa
Deal found 14/6£528
Tue 30/608:45
LHR
-
SFO
1 stop15h 30m
United Airlines
Tue 21/716:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 16/6£504
Tue 30/615:05
LHR
-
SFO
1 stop16h 02m
Lufthansa
Tue 7/719:37
SFO
-
LHR
2 stops17h 48m
Lufthansa
Deal found 14/6£524
Mon 6/715:00
LHR
-
SFO
1 stop31h 37m
Finnair
Sun 12/719:30
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 12/6£520
Mon 6/715:00
LHR
-
SFO
1 stop31h 37m
Finnair
Sun 26/716:35
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 15/6£522
Mon 6/708:40
LHR
-
SFO
1 stop15h 55m
Lufthansa
Wed 15/719:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 15/6£526
Fri 10/706:30
LHR
-
SFO
1 stop14h 10m
Lufthansa
Mon 13/713:00
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 13/6£522
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 17 June 2026.
Mon 22/615:00
LHR
-
SFO
1 stop30h 50m
Multiple Airlines
Deal found 12/6£447
Wed 24/615:00
LHR
-
SFO
1 stop30h 50m
Multiple Airlines
Deal found 16/6£448
Fri 10/713:25
LHR
-
SFO
2 stops18h 33m
Aer Lingus
Deal found 12/6£449
Sun 21/620:50
LHR
-
SFO
3 stops52h 15m
Multiple Airlines
Deal found 11/6£451
Tue 7/708:40
LHR
-
SFO
1 stop33h 25m
JetBlue
Deal found 16/6£452
Tue 23/620:50
LHR
-
SFO
2 stops49h 40m
Multiple Airlines
Deal found 13/6£453
Tue 7/713:25
LHR
-
SFO
2 stops19h 34m
Aer Lingus
Deal found 13/6£455
Mon 6/713:25
LHR
-
SFO
2 stops19h 34m
Aer Lingus
Deal found 16/6£457
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 17 June 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 17 June 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
Wed 9/12
08:10-15:35
1 stop15h 25m
San Francisco
Fri 11/12
21:23-20:00
1 stop14h 37m
£520
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 26/8
20:10-00:59
2 stops36h 49m
San Francisco
Tue 8/9
08:45-09:00
1 stop16h 15m
£530
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 7/7
11:25-19:40
1 stop16h 15m
San Francisco
Tue 14/7
13:00-07:25
Nonstop10h 25m
£536
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 6/9
06:15-12:50
1 stop14h 35m
San Francisco
Fri 11/9
14:15-12:10
1 stop13h 55m
£552
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 5/12
15:35-14:50
2 stops31h 15m
San Francisco
Fri 11/12
16:45-09:35
2 stops32h 50m
£557
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 7/9
19:50-14:40
2 stops26h 50m
San Francisco
Sun 27/9
16:45-18:50
2 stops18h 05m
£558
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 26/6
16:15-19:10
Nonstop10h 55m
San Francisco
Thu 13/8
12:35-09:40
1 stop13h 05m
£558
Fastest return journey
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 26/6
16:15-19:10
Nonstop10h 55m
San Francisco
Wed 12/8
16:45-11:10
Nonstop10h 25m
£558
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 17/9
19:50-14:40
2 stops26h 50m
San Francisco
Wed 23/9
16:45-16:25
2 stops15h 40m
£559
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
Flights are sorted by cheapest return flights first.
Deals found on 15/6
Showing 1-10 of 24 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 17 June 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 17 June 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 17 June 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?
British Airways, Finnair, and United Airlines can get you from London Heathrow Airport to Fremont in just under 15h 25m. Your travel time can differ by up to 21h 24m. 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 £273. Virgin Atlantic flights start at £324 while deals on Iberia start at £326 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 £1,180 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £429 while the most popular route, (London Heathrow - San Francisco) is currently priced at £353.
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 17 June 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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