Cheap flights from London Heathrow Airport to Fremont from £361
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
11 Sep — 18 Sep1
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 Thursday or Wednesday 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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Best
Direct
Last-minute
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 12 August 2026.
Sun 20/1207:40 -
1 stop25h 17m
Mon 28/1206:00 -
1 stop23h 30m
Deal found 11/8£441
Fri 18/1211:35 -
1 stop16h 10m
Fri 1/105:00 -
1 stop18h 40m
Deal found 10/8£441
Wed 30/909:50 -
1 stop14h 05m
Wed 7/1010:33 -
1 stop13h 22m
Deal found 11/8£442
Thu 10/916:15 -
Nonstop11h 00m
Wed 23/912:50 -
Nonstop10h 35m
Deal found 11/8£443
Thu 10/916:15 -
Nonstop11h 00m
Sat 19/923:59 -
1 stop13h 21m
Deal found 7/8£444
Sat 5/916:15 -
Nonstop10h 55m
Fri 18/916:45 -
Nonstop10h 25m
Deal found 8/8£445
Sun 6/913:00 -
Nonstop11h 00m
Sat 19/912:50 -
Nonstop10h 35m
Deal found 9/8£446
Thu 10/906:30 -
2 stops17h 24m
Wed 23/906:00 -
1 stop16h 25m
Deal found 11/8£446
Sat 19/914:05 -
1 stop15h 43m
Sat 3/1012:35 -
1 stop13h 05m
Deal found 10/8£448
Fri 4/911:25 -
1 stop14h 11m
Thu 17/912:50 -
Nonstop10h 35m
Deal found 7/8£449
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 12 August 2026.
Tue 6/1010:35 -
Nonstop11h 00m
Wed 21/1016:45 -
Nonstop10h 25m
Deal found 10/8£443
Fri 4/910:35 -
Nonstop11h 00m
Thu 17/912:50 -
Nonstop10h 35m
Deal found 7/8£444
Thu 8/1017:00 -
1 stop13h 49m
Sat 17/1011:00 -
1 stop20h 05m
Deal found 10/8£472
Sat 19/1212:20 -
1 stop19h 19m
Sun 3/113:50 -
1 stop18h 15m
Deal found 7/8£499
Fri 4/907:00 -
2 stops17h 15m
Thu 17/919:35 -
2 stops17h 55m
Deal found 7/8£596
Wed 2/908:40 -
1 stop15h 35m
Wed 9/919:45 -
Nonstop10h 25m
Deal found 11/8£491
Sun 30/806:50 -
2 stops18h 33m
Sun 30/822:50 -
1 stop27h 20m
Deal found 7/8£493
Sun 23/807:30 -
1 stop15h 45m
Sun 30/808:47 -
1 stop14h 58m
Deal found 8/8£510
Mon 31/814:50 -
2 stops16h 05m
Mon 7/914:20 -
1 stop14h 05m
Deal found 11/8£526
Sat 22/810:35 -
Nonstop11h 00m
Fri 2/1016:45 -
Nonstop10h 25m
Deal found 8/8£533
Fri 28/810:35 -
Nonstop11h 00m
Fri 4/908:15 -
1 stop14h 30m
Deal found 8/8£560
Sun 23/810:35 -
Nonstop11h 00m
Sat 5/916:50 -
Nonstop10h 20m
Deal found 8/8£589
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 12 August 2026.
Sun 4/1013:00 -
Nonstop11h 00m
Sun 18/1019:45 -
Nonstop10h 25m
Deal found 11/8£441
Fri 11/916:15 -
Nonstop11h 00m
Fri 18/912:50 -
Nonstop10h 35m
Deal found 10/8£442
Thu 10/916:15 -
Nonstop11h 00m
Wed 23/912:50 -
Nonstop10h 35m
Deal found 11/8£443
Fri 4/913:00 -
Nonstop11h 00m
Thu 17/912:50 -
Nonstop10h 35m
Deal found 7/8£444
Sat 5/916:15 -
Nonstop10h 55m
Sat 17/1016:45 -
Nonstop10h 25m
Deal found 8/8£445
Sun 6/916:15 -
Nonstop10h 55m
Sat 19/912:50 -
Nonstop10h 35m
Deal found 9/8£446
Fri 4/913:00 -
Nonstop11h 00m
Thu 17/912:50 -
Nonstop10h 35m
Deal found 7/8£448
Tue 22/912:45 -
Nonstop11h 00m
Thu 1/1017:50 -
Nonstop10h 20m
Deal found 7/8£451
Thu 17/913:00 -
Nonstop11h 00m
Tue 29/919:45 -
Nonstop10h 25m
Deal found 11/8£452
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 12 August 2026 and is based on user searches.
Fri 4/911:25 -
1 stop14h 11m
Thu 17/912:50 -
Nonstop10h 35m
Deal found 7/8£449
Sat 5/910:35 -
Nonstop11h 00m
Mon 14/919:45 -
Nonstop10h 25m
Deal found 8/8£445
Sun 6/916:15 -
Nonstop10h 55m
Sat 19/912:50 -
Nonstop10h 35m
Deal found 9/8£446
Thu 10/916:15 -
Nonstop11h 00m
Wed 23/912:50 -
Nonstop10h 35m
Deal found 11/8£443
Thu 10/916:15 -
Nonstop11h 00m
Sat 19/923:59 -
1 stop13h 21m
Deal found 7/8£444
Thu 10/906:30 -
2 stops17h 24m
Wed 23/906:00 -
1 stop16h 25m
Deal found 11/8£446
Fri 11/906:50 -
2 stops18h 33m
Thu 17/900:45 -
1 stop23h 10m
Deal found 11/8£441
Mon 14/912:45 -
Nonstop11h 00m
Fri 25/914:15 -
1 stop17h 20m
Deal found 10/8£441
Sat 19/914:05 -
1 stop15h 43m
Sat 3/1012:35 -
1 stop13h 05m
Deal found 10/8£448
Wed 30/909:50 -
1 stop14h 05m
Wed 7/1010:33 -
1 stop13h 22m
Deal found 11/8£442
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 12 August 2026.
Thu 8/1008:15 -
2 stops19h 10m
Deal found 12/8£361
Tue 6/1016:15 -
Nonstop11h 00m
Deal found 10/8£361
Tue 8/1214:30 -
1 stop14h 02m
Deal found 11/8£362
Mon 28/916:15 -
Nonstop11h 00m
Deal found 12/8£363
Tue 15/916:50 -
3 stops53h 40m
Deal found 8/8£364
Tue 22/909:30 -
1 stop19h 17m
Deal found 7/8£364
Mon 26/1017:25 -
2 stops55h 05m
Deal found 12/8£365
Sat 10/1013:10 -
1 stop18h 49m
Deal found 12/8£366
Thu 24/908:45 -
1 stop15h 30m
Deal found 11/8£366
Sat 6/214:45 -
1 stop17h 14m
Deal found 9/8£368
Wed 6/114:30 -
1 stop16h 27m
Deal found 10/8£369
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 12 August 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 12 August 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 London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Tue 6/10
10:35-13:35
Nonstop11h 00m
San Francisco
Wed 21/10
16:45-11:10
Nonstop10h 25m
£443
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Fri 4/9
10:35-13:35
Nonstop11h 00m
San Francisco
Thu 17/9
12:50-07:25
Nonstop10h 35m
£444
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Thu 8/10
17:00-22:49
1 stop13h 49m
San Francisco
Sat 17/10
11:00-15:05
1 stop20h 05m
£472
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Wed 2/9
08:40-16:15
1 stop15h 35m
San Francisco
Wed 9/9
19:45-14:10
Nonstop10h 25m
£491
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 30/8
06:50-17:23
2 stops18h 33m
San Francisco
Sun 30/8
22:50-10:10
1 stop27h 20m
£493
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 19/12
12:20-23:39
1 stop19h 19m
San Francisco
Sun 3/1
13:50-16:05
1 stop18h 15m
£499
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 23/8
07:30-15:15
1 stop15h 45m
San Francisco
Sun 30/8
08:47-07:45
1 stop14h 58m
£510
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Mon 31/8
14:50-22:55
2 stops16h 05m
San Francisco
Mon 7/9
14:20-12:25
1 stop14h 05m
£526
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 22/8
10:35-13:35
Nonstop11h 00m
San Francisco
Fri 2/10
16:45-11:10
Nonstop10h 25m
£533
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Fri 28/8
10:35-13:35
Nonstop11h 00m
San Francisco
Fri 4/9
08:15-06:45
1 stop14h 30m
£560
Flights are sorted by cheapest return flights first.
Deals found on 11/8
Showing 1-10 of 23 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 12 August 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 12 August 2026.
The most flights from LHR to FR8 are scheduled on a Monday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (32 on average).
How much does it cost for a return flight from London Heathrow Airport to Fremont?
Airfare is below average for this route at the moment.
London Heathrow Airport to Fremont flights typically cost between £521 and £698 in December.The cheapest return price found within the last 5 days was £441 on United Airlines (20 Dec–28 Dec).
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 12 August 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.
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 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?
Lufthansa, United Airlines, and Alaska Airlines can get you from London Heathrow Airport to Fremont in just under 11h. Your travel time can differ by up to 2h 49m. 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 £269. Virgin Atlantic flights start at £298 while deals on Iberia start at £324 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 (74%), Austrian Airlines (74%), United Airlines (74%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,391 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £323 while the most popular route, (London Heathrow - San Francisco) is currently priced at £381.
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 12 August 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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