Cheap flights from London Heathrow Airport to Fremont from £364
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
9 Oct — 16 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.
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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 9 September 2026.
Wed 7/1012:05 -
2 stops19h 15m
Sun 11/1016:30 -
1 stop12h 50m
Deal found 9/9£408
Fri 23/1009:30 -
2 stops17h 24m
Fri 30/1010:15 -
1 stop18h 35m
Deal found 8/9£408
Wed 23/914:50 -
2 stops16h 05m
Fri 9/1021:05 -
1 stop14h 35m
Deal found 9/9£409
Sat 19/914:05 -
1 stop15h 43m
Fri 2/1008:10 -
1 stop19h 40m
Deal found 9/9£411
Wed 23/919:10 -
1 stop29h 10m
Fri 9/1009:27 -
1 stop17h 38m
Deal found 8/9£411
Sat 19/909:30 -
1 stop19h 17m
Wed 23/908:30 -
2 stops17h 30m
Deal found 8/9£412
Tue 22/909:30 -
2 stops19h 29m
Sun 27/908:10 -
1 stop14h 20m
Deal found 9/9£413
Wed 4/1111:10 -
2 stops19h 47m
Sun 8/1106:30 -
2 stops18h 00m
Deal found 8/9£414
Thu 17/912:05 -
2 stops17h 42m
Wed 30/911:10 -
1 stop14h 50m
Deal found 9/9£414
Sat 19/909:30 -
2 stops18h 22m
Sat 26/913:35 -
1 stop14h 15m
Deal found 9/9£416
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 9 September 2026.
Tue 23/216:40 -
1 stop16h 03m
Thu 4/317:25 -
Nonstop10h 25m
Deal found 5/9£455
Tue 22/1217:05 -
1 stop14h 10m
Fri 1/105:45 -
1 stop17h 20m
Deal found 8/9£459
Wed 7/1006:30 -
1 stop14h 10m
Fri 16/1012:55 -
Nonstop10h 30m
Deal found 8/9£460
Fri 18/1214:45 -
1 stop17h 14m
Mon 4/114:37 -
1 stop13h 43m
Deal found 7/9£490
Wed 7/1007:00 -
2 stops17h 15m
Wed 14/1019:35 -
2 stops17h 55m
Deal found 4/9£513
Sat 3/1012:45 -
Nonstop11h 10m
Sat 10/1017:55 -
Nonstop10h 20m
Deal found 7/9£612
Fri 18/1213:45 -
Nonstop11h 10m
Mon 28/1207:00 -
1 stop15h 40m
Deal found 8/9£663
Sun 25/1014:45 -
1 stop14h 04m
Thu 29/1013:51 -
1 stop15h 29m
Deal found 4/9£563
Thu 22/1017:00 -
1 stop14h 52m
Thu 29/1008:47 -
2 stops20h 33m
Deal found 7/9£615
Sat 19/913:00 -
Nonstop11h 05m
Sat 26/919:45 -
Nonstop10h 25m
Deal found 8/9£681
Sat 12/1214:25 -
2 stops34h 05m
Mon 21/1219:25 -
2 stops18h 00m
Deal found 5/9£741
Sat 19/1216:40 -
1 stop34h 55m
Fri 1/110:50 -
1 stop14h 50m
Deal found 4/9£682
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 9 September 2026.
Sun 10/111:45 -
Nonstop11h 10m
Sun 17/120:35 -
Nonstop10h 35m
Deal found 8/9£408
Tue 3/1111:45 -
Nonstop11h 10m
Wed 18/1117:25 -
Nonstop10h 25m
Deal found 8/9£419
Mon 21/913:00 -
Nonstop11h 05m
Mon 5/1016:45 -
Nonstop10h 25m
Deal found 8/9£419
Thu 24/910:35 -
Nonstop11h 00m
Wed 7/1016:45 -
Nonstop10h 25m
Deal found 8/9£423
Wed 7/1010:35 -
Nonstop11h 00m
Thu 15/1012:55 -
Nonstop10h 30m
Deal found 8/9£425
Tue 9/211:45 -
Nonstop11h 10m
Fri 26/220:35 -
Nonstop10h 35m
Deal found 8/9£425
Sat 13/213:45 -
Nonstop11h 10m
Sat 20/212:50 -
Nonstop10h 35m
Deal found 8/9£434
Fri 25/910:35 -
Nonstop11h 00m
Tue 6/1019:45 -
Nonstop10h 25m
Deal found 8/9£435
Tue 29/913:00 -
Nonstop11h 05m
Sat 17/1019:45 -
Nonstop10h 25m
Deal found 5/9£436
Thu 24/913:00 -
Nonstop11h 05m
Sat 10/1019:45 -
Nonstop10h 25m
Deal found 8/9£437
Fri 11/1211:50 -
Nonstop11h 00m
Sat 16/116:40 -
Nonstop10h 15m
Deal found 6/9£439
Wed 23/910:35 -
Nonstop11h 00m
Sat 10/1012:55 -
Nonstop10h 30m
Deal found 8/9£439
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 9 September 2026 and is based on user searches.
Thu 17/912:05 -
2 stops17h 42m
Wed 30/911:10 -
1 stop14h 50m
Deal found 9/9£414
Sat 19/914:05 -
1 stop15h 43m
Fri 2/1008:10 -
1 stop19h 40m
Deal found 9/9£411
Sat 19/909:30 -
1 stop19h 17m
Wed 23/908:30 -
2 stops17h 30m
Deal found 8/9£412
Sat 19/909:30 -
2 stops18h 22m
Sat 26/913:35 -
1 stop14h 15m
Deal found 9/9£416
Tue 22/909:30 -
2 stops19h 29m
Sun 27/908:10 -
1 stop14h 20m
Deal found 9/9£413
Tue 22/907:50 -
1 stop16h 30m
Fri 9/1013:28 -
1 stop15h 17m
Deal found 8/9£414
Wed 23/914:50 -
2 stops16h 05m
Fri 9/1021:05 -
1 stop14h 35m
Deal found 9/9£409
Wed 23/919:10 -
1 stop29h 10m
Fri 9/1009:27 -
1 stop17h 38m
Deal found 8/9£411
Wed 7/1012:05 -
2 stops19h 15m
Sun 11/1016:30 -
1 stop12h 50m
Deal found 9/9£408
Fri 23/1009:30 -
2 stops17h 24m
Fri 30/1010:15 -
1 stop18h 35m
Deal found 8/9£408
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 9 September 2026.
Thu 4/315:35 -
1 stop17h 08m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£364
Thu 17/1208:00 -
2 stops22h 11m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£365
Mon 14/1211:00 -
1 stop20h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£366
Thu 17/1206:30 -
1 stop14h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£366
Wed 16/1209:00 -
1 stop15h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£367
Wed 3/311:45 -
Nonstop11h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£368
Sun 27/1216:55 -
1 stop15h 04m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£369
Wed 6/114:30 -
1 stop31h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£369
Sun 1/1111:45 -
Nonstop11h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£370
Wed 4/1106:50 -
2 stops22h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£371
Sat 14/1108:20 -
2 stops20h 07m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£371
Fri 23/1014:10 -
1 stop29h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£373
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 9 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 9 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
Mon 30/11
19:30-16:30
2 stops29h 00m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£365
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 15/11
14:25-16:30
2 stops34h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£366
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Thu 4/3
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£368
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sat 6/3
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£368
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 27/12
16:55-23:59
1 stop15h 04m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£369
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Mon 19/10
07:00-16:15
2 stops17h 15m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£394
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Sun 15/11
11:45-14:55
Nonstop11h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£396
Fastest return journey
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Tue 20/10
10:35-13:35
Nonstop11h 00m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£411
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Fri 16/10
13:00-16:00
Nonstop11h 00m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£453
LondonSan Francisco
LHR London Heathrow - SFO San Francisco
LHRSFO
London Heathrow
Tue 23/2
16:40-00:43
1 stop16h 03m
San Francisco
Thu 4/3
17:25-11:50
Nonstop10h 25m
£455
Flights are sorted by cheapest return flights first.
Deals found on 6/9
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 9 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 9 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 (19 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 £431 and £566 in October.The cheapest return price found within the last 5 days was £408 on Air Canada (7 Oct–11 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 9 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?
Finnair, Delta, and Lufthansa can get you from London Heathrow Airport to Fremont in just under 14h 10m. Your travel time can differ by up to 1h 53m. 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 £293. Virgin Atlantic flights start at £298 while deals on British Airways start at £321 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 £2,022 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £354 while the most popular route, (London Heathrow - San Francisco) is currently priced at £276.
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 9 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 9 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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