Cheap flights from London Heathrow Airport to Fremont from £389
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
18 May — 25 May1
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 60 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Heathrow to Fremont
Enter your travel dates to find the best prices.
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One-way
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 18 April 2026.
Fri 1/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Mon 11/516:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 14/4£398
Wed 29/417:45
LHR
-
SFO
1 stop13h 52m
Delta
Fri 8/517:37
SFO
-
LHR
1 stop13h 58m
Delta
Deal found 14/4£403
Thu 1/1014:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Sat 10/1019:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£404
Tue 28/417:45
LHR
-
SFO
1 stop13h 52m
Delta
Sun 10/507:00
SFO
-
LHR
1 stop17h 50m
Delta
Deal found 14/4£408
Fri 1/516:20
LHR
-
SFO
1 stop17h 03m
Delta
Sat 9/513:35
SFO
-
LHR
1 stop18h 00m
Delta
Deal found 14/4£413
Tue 22/906:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sat 26/916:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 16/4£415
Mon 1/606:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Wed 2/916:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 17/4£416
Wed 8/717:45
LHR
-
SFO
1 stop14h 13m
Delta
Fri 17/717:30
SFO
-
LHR
1 stop14h 05m
Delta
Deal found 14/4£420
Wed 24/612:25
LHR
-
SFO
1 stop16h 17m
Delta
Thu 6/813:38
SFO
-
LHR
1 stop17h 57m
Delta
Deal found 16/4£421
Fri 1/514:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£422
Thu 1/1013:05
LHR
-
SFO
1 stop16h 42m
United Airlines
Tue 13/1019:55
SFO
-
LHR
Nonstop10h 15m
United Airlines
Deal found 17/4£423
Thu 4/606:00
LHR
-
SFO
1 stop18h 35m
TAP AIR PORTUGAL
Thu 3/916:30
SFO
-
LHR
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 17/4£430
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 18 April 2026.
Thu 17/919:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Sun 20/916:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Deal found 13/4£546
Tue 28/418:30
LHR
-
SFO
Nonstop10h 55m
KLM
Tue 5/517:55
SFO
-
LHR
Nonstop10h 20m
KLM
Deal found 13/4£560
Sun 10/512:45
LHR
-
SFO
Nonstop11h 00m
Delta
Tue 2/611:55
SFO
-
LHR
1 stop14h 20m
Delta
Deal found 13/4£562
Wed 6/510:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Sun 10/513:40
SFO
-
LHR
1 stop15h 05m
British Airways
Deal found 14/4£623
Mon 11/507:00
LHR
-
SFO
2 stops17h 15m
SWISS
Wed 27/519:35
SFO
-
LHR
1 stop14h 15m
SWISS
Deal found 17/4£655
Mon 13/708:30
LHR
-
SFO
2 stops25h 27m
United Airlines
Mon 20/723:59
SFO
-
LHR
1 stop13h 26m
United Airlines
Deal found 13/4£663
Mon 18/506:30
LHR
-
SFO
1 stop13h 15m
Delta
Mon 25/518:20
SFO
-
LHR
1 stop12h 40m
Delta
Deal found 17/4£562
Thu 13/806:30
LHR
-
SFO
1 stop13h 15m
KLM
Wed 19/815:00
SFO
-
LHR
1 stop14h 05m
KLM
Deal found 15/4£569
Thu 27/806:30
LHR
-
SFO
1 stop13h 15m
Delta
Mon 7/923:15
SFO
-
LHR
Nonstop10h 15m
Delta
Deal found 14/4£565
Tue 12/506:30
LHR
-
SFO
1 stop13h 15m
KLM
Sun 12/717:55
SFO
-
LHR
Nonstop10h 20m
KLM
Deal found 13/4£601
Mon 8/607:30
LHR
-
SFO
2 stops23h 32m
United Airlines
Thu 18/616:30
SFO
-
LHR
1 stop12h 50m
United Airlines
Deal found 15/4£669
Fri 29/506:30
LHR
-
SFO
1 stop13h 15m
Delta
Fri 5/623:55
SFO
-
LHR
1 stop22h 25m
Delta
Deal found 14/4£659
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 18 April 2026.
Thu 1/1014:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Sat 10/1019:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£404
Thu 4/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Tue 8/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£415
Fri 1/514:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£422
Mon 8/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Tue 7/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£432
Tue 9/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 6/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 15/4£433
Wed 3/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 7/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£434
Sun 16/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Thu 10/1220:40
SFO
-
LHR
Nonstop10h 30m
British Airways
Deal found 16/4£436
Tue 28/414:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/519:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£437
Mon 8/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Wed 8/719:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£444
Fri 26/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Fri 3/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£446
Wed 24/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 10/819:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 16/4£446
Mon 8/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 6/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 15/4£449
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 18 April 2026 and is based on user searches.
Tue 28/417:45
LHR
-
SFO
1 stop13h 52m
Delta
Sun 10/507:00
SFO
-
LHR
1 stop17h 50m
Delta
Deal found 14/4£408
Tue 28/414:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/519:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£437
Tue 28/409:30
LHR
-
SFO
1 stop17h 48m
United Airlines
Fri 8/506:30
SFO
-
LHR
1 stop16h 25m
United Airlines
Deal found 14/4£466
Tue 28/414:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Thu 7/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£475
Wed 29/417:45
LHR
-
SFO
1 stop13h 52m
Delta
Fri 8/517:37
SFO
-
LHR
1 stop13h 58m
Delta
Deal found 14/4£403
Wed 29/410:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Thu 7/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£456
Thu 30/410:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Thu 7/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£460
Fri 1/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sun 10/516:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 14/4£398
Fri 1/516:20
LHR
-
SFO
1 stop17h 03m
Delta
Sat 9/513:35
SFO
-
LHR
1 stop18h 00m
Delta
Deal found 14/4£413
Fri 1/514:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 11/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 14/4£422
Fri 8/514:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 19/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/4£470
Sun 31/508:20
LHR
-
SFO
1 stop17h 16m
American Airlines
Tue 8/906:00
SFO
-
LHR
1 stop17h 50m
American Airlines
Deal found 17/4£432
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 18 April 2026.
Mon 5/1007:00
LHR
-
SFO
2 stops17h 15m
SWISS
Deal found 13/4£389
Sun 14/620:50
LHR
-
SFO
3 stops52h 15m
Multiple Airlines
Deal found 13/4£389
Tue 6/1013:00
LHR
-
SFO
Nonstop11h 05m
United Airlines
Deal found 14/4£390
Wed 2/916:15
LHR
-
SFO
Nonstop11h 00m
United Airlines
Deal found 13/4£391
Mon 4/521:10
LHR
-
SFO
2 stops46h 50m
Multiple Airlines
Deal found 16/4£392
Wed 30/914:20
LHR
-
SFO
Nonstop11h 10m
British Airways
Deal found 15/4£393
Tue 29/910:15
LHR
-
SFO
2 stops31h 02m
Air Canada
Deal found 16/4£394
Tue 5/515:00
LHR
-
SFO
1 stop37h 50m
Multiple Airlines
Deal found 14/4£395
Sun 3/522:00
LHR
-
SFO
2 stops46h 23m
Multiple Airlines
Deal found 16/4£395
Mon 11/520:10
LHR
-
SFO
2 stops48h 13m
Multiple Airlines
Deal found 13/4£397
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 18 April 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 18 April 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
Thu 17/9
19:50-14:40
2 stops26h 50m
San Francisco
Sun 20/9
16:45-16:25
2 stops15h 40m
£546
Fastest return journey
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 28/4
18:30-21:25
Nonstop10h 55m
San Francisco
Tue 5/5
17:55-12:15
Nonstop10h 20m
£560
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 10/5
12:45-15:45
Nonstop11h 00m
San Francisco
Tue 2/6
11:55-10:15
1 stop14h 20m
£562
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 18/5
06:30-11:45
1 stop13h 15m
San Francisco
Mon 25/5
18:20-15:00
1 stop12h 40m
£562
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 27/8
06:30-11:45
1 stop13h 15m
San Francisco
Mon 7/9
23:15-17:30
Nonstop10h 15m
£565
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 13/8
06:30-11:45
1 stop13h 15m
San Francisco
Wed 19/8
15:00-13:05
1 stop14h 05m
£569
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 12/5
06:30-11:45
1 stop13h 15m
San Francisco
Sun 12/7
17:55-12:15
Nonstop10h 20m
£601
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 6/5
10:45-13:50
Nonstop11h 05m
San Francisco
Sun 10/5
13:40-12:45
1 stop15h 05m
£623
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 11/5
07:00-16:15
2 stops17h 15m
San Francisco
Wed 27/5
19:35-17:50
1 stop14h 15m
£655
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 29/5
06:30-11:45
1 stop13h 15m
San Francisco
Fri 5/6
23:55-06:20
1 stop22h 25m
£659
Flights are sorted by cheapest return flights first.
Deals found on 13/4
Showing 1-10 of 24 resultsSorted by cheapest first
1
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
How far ahead should I book a flight from London Heathrow Airport to Fremont?
Use this chart to determine the optimal time to book a return flight from Heathrow to Fremont. Price data was last updated on 17 April 2026.
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 18 April 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 18 April 2026.
The most flights from LHR to FR8 are scheduled on a Monday (37 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (31 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 18 April 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?
Scandinavian Airlines, KLM, and Delta can get you from London Heathrow Airport to Fremont in just under 10h 55m. Your travel time can differ by up to 15h 55m. 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 £268. WestJet flights start at £298 while deals on Virgin Atlantic start at £322 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 £1,144 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £428 while the most popular route, (London Heathrow - San Francisco) is currently priced at £404.
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 18 April 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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