Cheap flights from London Heathrow Airport to Fremont from £373
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
14 Oct — 21 Oct1
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.
Cheapest
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 14 September 2026.
Fri 23/1008:40 -
1 stop15h 55m
Mon 26/1017:40 -
Nonstop10h 35m
Deal found 12/9£373
Mon 26/1006:35 -
1 stop21h 00m
Sat 7/1116:25 -
1 stop13h 05m
Deal found 12/9£377
Fri 23/1013:00 -
Nonstop11h 00m
Mon 26/1017:40 -
Nonstop10h 35m
Deal found 12/9£393
Wed 4/1119:30 -
2 stops29h 00m
Mon 9/1119:25 -
1 stop18h 15m
Deal found 14/9£397
Tue 22/907:00 -
2 stops17h 15m
Mon 28/919:35 -
1 stop14h 15m
Deal found 14/9£398
Wed 18/1109:00 -
1 stop15h 30m
Tue 24/1119:25 -
1 stop14h 25m
Deal found 14/9£398
Sat 14/1106:50 -
2 stops22h 43m
Fri 20/1111:25 -
1 stop16h 25m
Deal found 14/9£399
Thu 29/1013:45 -
Nonstop11h 10m
Thu 5/1116:40 -
Nonstop10h 35m
Deal found 14/9£400
Thu 24/913:00 -
Nonstop11h 05m
Wed 7/1016:45 -
Nonstop10h 25m
Deal found 14/9£401
Tue 6/1015:05 -
1 stop16h 15m
Fri 23/1014:25 -
1 stop18h 00m
Deal found 14/9£401
Sat 14/1114:30 -
1 stop15h 12m
Thu 19/1114:45 -
1 stop13h 05m
Deal found 14/9£402
Sun 20/914:05 -
1 stop29h 12m
Sun 27/912:55 -
Nonstop10h 30m
Deal found 13/9£403
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 14 September 2026.
Sun 20/914:05 -
1 stop29h 12m
Sat 10/1016:45 -
Nonstop10h 25m
Deal found 12/9£404
Sat 26/917:00 -
1 stop13h 50m
Thu 8/1013:51 -
1 stop17h 14m
Deal found 11/9£435
Fri 9/1007:00 -
2 stops17h 15m
Mon 12/1019:35 -
2 stops17h 55m
Deal found 12/9£536
Thu 1/1013:00 -
Nonstop11h 05m
Thu 8/1012:28 -
1 stop13h 42m
Deal found 13/9£405
Thu 5/1109:00 -
1 stop15h 30m
Mon 9/1116:40 -
Nonstop10h 35m
Deal found 10/9£466
Sun 25/1019:30 -
2 stops29h 00m
Sat 7/1119:25 -
1 stop14h 25m
Deal found 13/9£578
Sun 13/1210:05 -
Nonstop11h 15m
Mon 11/116:40 -
Nonstop10h 35m
Deal found 14/9£525
Fri 16/1007:00 -
2 stops17h 15m
Sun 1/1119:25 -
2 stops18h 00m
Deal found 11/9£590
Sat 26/917:00 -
1 stop13h 50m
Sat 3/1013:25 -
2 stops17h 40m
Deal found 14/9£686
Thu 22/1007:00 -
2 stops17h 15m
Fri 30/1020:25 -
2 stops18h 00m
Deal found 13/9£620
Sat 10/1016:15 -
Nonstop11h 00m
Sat 17/1016:45 -
Nonstop10h 25m
Deal found 9/9£622
Thu 17/907:00 -
2 stops17h 15m
Wed 30/914:25 -
2 stops18h 10m
Deal found 9/9£718
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 14 September 2026.
Fri 23/1013:00 -
Nonstop11h 00m
Mon 26/1017:40 -
Nonstop10h 35m
Deal found 12/9£393
Fri 25/913:00 -
Nonstop11h 05m
Sat 10/1012:55 -
Nonstop10h 30m
Deal found 14/9£401
Mon 26/1010:05 -
Nonstop11h 15m
Mon 2/1112:50 -
Nonstop10h 35m
Deal found 11/9£409
Tue 20/1010:35 -
Nonstop11h 00m
Mon 26/1013:50 -
Nonstop10h 35m
Deal found 12/9£415
Thu 8/1016:15 -
Nonstop11h 00m
Thu 15/1016:45 -
Nonstop10h 25m
Deal found 10/9£416
Fri 30/1011:45 -
Nonstop11h 10m
Sun 22/1117:25 -
Nonstop10h 25m
Deal found 13/9£418
Sun 1/1111:45 -
Nonstop11h 10m
Wed 18/1117:25 -
Nonstop10h 25m
Deal found 11/9£419
Thu 24/910:35 -
Nonstop11h 00m
Wed 7/1019:45 -
Nonstop10h 25m
Deal found 13/9£423
Thu 17/910:35 -
Nonstop11h 00m
Thu 1/1012:55 -
Nonstop10h 30m
Deal found 11/9£424
Mon 26/1013:45 -
Nonstop11h 10m
Fri 6/1112:50 -
Nonstop10h 35m
Deal found 13/9£425
Sat 19/913:00 -
Nonstop11h 05m
Sat 26/912:55 -
Nonstop10h 30m
Deal found 11/9£426
Thu 15/1010:35 -
Nonstop11h 00m
Thu 22/1019:45 -
Nonstop10h 25m
Deal found 10/9£427
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 14 September 2026 and is based on user searches.
Sun 20/914:05 -
1 stop29h 12m
Sun 27/912:55 -
Nonstop10h 30m
Deal found 13/9£403
Tue 22/907:00 -
2 stops17h 15m
Mon 28/919:35 -
1 stop14h 15m
Deal found 14/9£398
Thu 24/913:00 -
Nonstop11h 05m
Wed 7/1016:45 -
Nonstop10h 25m
Deal found 14/9£401
Thu 24/916:15 -
Nonstop11h 00m
Wed 7/1019:45 -
Nonstop10h 25m
Deal found 14/9£402
Sat 26/910:15 -
2 stops21h 05m
Sat 10/1011:10 -
1 stop14h 50m
Deal found 14/9£399
Sun 27/909:30 -
1 stop19h 17m
Sun 4/1012:28 -
1 stop13h 42m
Deal found 12/9£404
Tue 6/1015:05 -
1 stop16h 15m
Fri 23/1014:25 -
1 stop18h 00m
Deal found 14/9£401
Thu 8/1010:15 -
2 stops16h 16m
Thu 22/1016:30 -
1 stop12h 50m
Deal found 14/9£398
Fri 23/1008:40 -
1 stop15h 55m
Mon 26/1014:45 -
1 stop14h 05m
Deal found 12/9£373
Fri 23/1013:00 -
Nonstop11h 00m
Mon 26/1017:40 -
Nonstop10h 35m
Deal found 12/9£393
Mon 26/1006:35 -
1 stop21h 00m
Sat 7/1116:25 -
1 stop13h 05m
Deal found 12/9£377
Thu 29/1013:45 -
Nonstop11h 10m
Thu 5/1116:40 -
Nonstop10h 35m
Deal found 14/9£400
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 14 September 2026.
Thu 12/1115:30 -
3 stops32h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£376
Thu 24/906:00 -
1 stop16h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£377
Mon 9/1109:55 -
3 stops42h 37m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£381
Wed 21/1008:40 -
1 stop15h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£384
Wed 21/1008:40 -
2 stops17h 51m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£384
Mon 26/1014:50 -
3 stops53h 01m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£385
Wed 11/1114:50 -
3 stops30h 56m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£386
Thu 10/1214:50 -
3 stops32h 26m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£387
Tue 20/1014:10 -
2 stops17h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£389
Mon 19/1009:55 -
2 stops35h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£390
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 14 September 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 7,457,451 searches. Data last updated 14 September 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
Wed 21/10
08:40-16:15
1 stop15h 35m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£384
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 7/11
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£397
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 20/9
14:05-11:17
1 stop29h 12m
San Francisco
Sat 10/10
16:45-11:10
Nonstop10h 25m
£404
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Thu 24/9
07:30-15:20
1 stop15h 50m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£405
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Thu 1/10
13:00-16:05
Nonstop11h 05m
San Francisco
Thu 8/10
12:28-10:10
1 stop13h 42m
£405
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Mon 26/10
10:05-14:20
Nonstop11h 15m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£412
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 29/11
09:30-12:35
1 stop35h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£432
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Wed 30/9
11:05-18:24
1 stop15h 19m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£432
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 26/9
17:00-22:50
1 stop13h 50m
San Francisco
Thu 8/10
13:51-15:05
1 stop17h 14m
£435
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 28/11
09:00-16:30
1 stop15h 30m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£454
Flights are sorted by cheapest return flights first.
Deals found on 11/9
Showing 1-10 of 24 resultsSorted by cheapest first
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2
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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 14 September 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 14 September 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 £433 and £571 in October.The cheapest return price found within the last 5 days was £373 on United Airlines (23 Oct–26 Oct).
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 14 September 2026.
Get a feel of what it's like to fly with Austrian Airlines,United Airlines, andVirgin Atlantic 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?
United Airlines and Alaska Airlines can get you from London Heathrow Airport to Fremont in just under 13h 50m. Your travel time can differ by up to 15h 22m. 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 £294. Virgin Atlantic flights start at £298 while deals on British Airways 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 (73%), Austrian Airlines (73%), United Airlines (73%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,401 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £358 while the most popular route, (London Heathrow - San Francisco) is currently priced at £355.
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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2026.
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 7,457,451 searches. Data last updated 14 September 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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