Cheap flights from London Heathrow Airport to Fremont from £366
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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
9 Jan — 16 Jan1
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 45 days in advance, depart on a Thursday or Tuesday and return on a Wednesday
Cheap flight deals from Heathrow to Fremont
Enter your travel dates to find the best prices.
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 10 December 2025.
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Fri 16/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 8/12£471
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 9/12£473
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Thu 22/119:25SFO - LHR
1 stop14h 25mSWISS
Deal found 9/12£475
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Mon 19/119:25SFO - LHR
1 stop15h 50mSWISS
Deal found 8/12£476
Thu 11/1208:20LHR - SFO
1 stop17h 00mAmerican Airlines
Thu 18/1210:22SFO - LHR
1 stop17h 58mAmerican Airlines
Deal found 8/12£478
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 9/12£481
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 8/12£488
Mon 15/1206:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Mon 29/1216:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 8/12£489
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Tue 20/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 9/12£490
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 12/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 8/12£496
Wed 24/1210:20LHR - SFO
1 stop36h 15mScandinavian Airlines
Mon 19/116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 8/12£499
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 10 December 2025.
Tue 10/315:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 17/321:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 9/12£475
Mon 12/116:40LHR - SFO
1 stop30h 10mUnited Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 9/12£478
Thu 22/107:25LHR - SFO
1 stop23h 24mJetBlue
Sat 24/122:37SFO - LHR
1 stop14h 08mJetBlue
Deal found 9/12£490
Wed 14/114:25LHR - SFO
2 stops34h 05mSWISS
Wed 21/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 9/12£491
Tue 20/113:40LHR - SFO
1 stop32h 50mTAP AIR PORTUGAL
Sat 24/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 8/12£491
Mon 12/113:45LHR - SFO
Nonstop11h 15mMultiple Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 9/12£494
Mon 12/110:05LHR - SFO
Nonstop11h 15mLufthansa
Mon 26/117:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 9/12£494
Fri 20/306:30LHR - SFO
1 stop13h 20mDelta
Tue 7/415:55SFO - LHR
Nonstop10h 45mDelta
Deal found 9/12£497
Tue 20/114:25LHR - SFO
2 stops34h 05mSWISS
Wed 28/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 8/12£492
Tue 20/110:05LHR - SFO
Nonstop11h 15mLufthansa
Tue 10/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 8/12£495
Sat 24/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Wed 28/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 9/12£496
Wed 14/107:00LHR - SFO
2 stops17h 30mSWISS
Wed 28/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 8/12£492
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 10 December 2025.
Wed 4/217:00LHR - SFO
Nonstop11h 20mLufthansa
Wed 18/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 9/12£473
Tue 20/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 27/117:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 8/12£474
Wed 11/211:45LHR - SFO
Nonstop11h 15mBritish Airways
Wed 25/217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 9/12£475
Wed 21/113:45LHR - SFO
Nonstop11h 15mLufthansa
Tue 10/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 8/12£478
Mon 23/311:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 31/316:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 8/12£483
Mon 23/215:25LHR - SFO
Nonstop11h 20mBritish Airways
Sun 1/320:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 9/12£484
Thu 12/311:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 17/321:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 9/12£485
Mon 4/513:00LHR - SFO
Nonstop11h 10mLufthansa
Mon 11/519:40SFO - LHR
Nonstop10h 30mLufthansa
Deal found 8/12£486
Wed 28/110:05LHR - SFO
Nonstop11h 15mLufthansa
Mon 9/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 9/12£486
Mon 27/410:45LHR - SFO
Nonstop11h 05mBritish Airways
Wed 20/516:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 9/12£487
Tue 17/215:25LHR - SFO
Nonstop11h 20mBritish Airways
Fri 27/220:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 9/12£488
Mon 19/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Sun 25/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 8/12£489
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 10 December 2025 and is based on user searches.
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Wed 21/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 9/12£475
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 9/12£473
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Fri 16/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 8/12£471
Fri 9/108:05LHR - SFO
1 stop22h 54mJetBlue
Sun 25/120:37SFO - LHR
1 stop16h 08mJetBlue
Deal found 9/12£472
Fri 9/108:05LHR - SFO
1 stop17h 04mJetBlue
Wed 14/115:05SFO - LHR
1 stop22h 35mJetBlue
Deal found 9/12£474
Mon 12/116:40LHR - SFO
1 stop30h 10mUnited Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 9/12£478
Sat 17/106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 26/116:40SFO - LHR
2 stops15h 45mScandinavian Airlines
Deal found 8/12£469
Sat 17/117:30LHR - SFO
2 stops29h 05mScandinavian Airlines
Sun 25/116:40SFO - LHR
2 stops15h 45mScandinavian Airlines
Deal found 7/12£477
Mon 19/111:10LHR - SFO
1 stop16h 25mUnited Airlines
Mon 26/117:25SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 8/12£470
Mon 19/113:45LHR - SFO
Nonstop11h 15mLufthansa
Sun 25/123:15SFO - LHR
1 stop22h 40mLufthansa
Deal found 8/12£474
Sat 24/106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Sat 14/216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 8/12£471
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 10 December 2025.
Wed 25/306:00LHR - SFO
2 stops22h 22mAir Canada
Deal found 8/12£366
Wed 25/313:45LHR - SFO
Nonstop11h 15mLufthansa
Deal found 8/12£367
Thu 30/411:30LHR - SFO
2 stops20h 51mAmerican Airlines
Deal found 9/12£369
Fri 8/508:30LHR - SFO
1 stop15h 35mUnited Airlines
Deal found 9/12£372
Sun 18/110:05LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 9/12£374
Sat 24/113:45LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 8/12£375
Fri 8/510:45LHR - SFO
Nonstop11h 05mBritish Airways
Deal found 9/12£376
Fri 23/110:05LHR - SFO
Nonstop11h 15mLufthansa
Deal found 8/12£377
Sun 5/419:30LHR - SFO
1 stop25h 10mLufthansa
Deal found 9/12£378
Tue 13/113:40LHR - SFO
3 stops31h 44mMultiple Airlines
Deal found 9/12£379
Wed 25/313:45LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 9/12£381
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 10 December 2025.
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 10 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Fremont that are best for you.
Fly from
Heathrow
Fly to
Fremont
Route
Depart
Return
Price
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 10/3
15:25-19:45
Nonstop11h 20m
San Francisco
Tue 17/3
21:40-15:10
Nonstop10h 30m
£475
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 12/1
16:40-14:50
1 stop30h 10m
San Francisco
Mon 26/1
12:50-07:25
Nonstop10h 35m
£478
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 22/1
07:25-22:49
1 stop23h 24m
San Francisco
Sat 24/1
22:37-20:45
1 stop14h 08m
£490
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 14/1
14:25-16:30
2 stops34h 05m
San Francisco
Wed 21/1
11:45-16:20
2 stops20h 35m
£491
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 20/1
13:40-14:30
1 stop32h 50m
San Francisco
Sat 24/1
16:35-18:55
1 stop18h 20m
£491
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 20/1
14:25-16:30
2 stops34h 05m
San Francisco
Wed 28/1
11:45-16:20
2 stops20h 35m
£492
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 14/1
07:00-16:30
2 stops17h 30m
San Francisco
Wed 28/1
11:45-16:20
2 stops20h 35m
£492
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 12/1
13:45-17:00
Nonstop11h 15m
San Francisco
Mon 26/1
12:50-07:25
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 12/1
10:05-13:20
Nonstop11h 15m
San Francisco
Mon 26/1
17:25-12:00
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 20/1
10:05-13:20
Nonstop11h 15m
San Francisco
Tue 10/2
17:25-12:00
Nonstop10h 35m
£495
Flights are sorted by cheapest return flights first.
Deals found on 8/12
Showing 1-10 of 22 results
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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.
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
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 5 December 2025.
Booking 45 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 month to book a flight from London Heathrow Airport to Fremont?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Fremont (average of £357). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £457). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 10 December 2025.
It’s typically best to fly out from London Heathrow Airport to Fremont in the evening. Doing so could potentially save you 35% on the flight price compared to flying at midday, which is usually more expensive.
What is the cheapest day to fly from London Heathrow Airport to Fremont?
Use this chart to determine the cheapest time to fly return from Heathrow to Fremont. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London Heathrow Airport to Fremont flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 10 December 2025.
The most flights from LHR to FR8 are scheduled on a Monday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).
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 10 December 2025.
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 was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
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, United Airlines, and JetBlue can get you from London Heathrow Airport to Fremont in just under 11h 20m. Your travel time can differ by up to 18h 50m. 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at £251. TAP AIR PORTUGAL flights start at £272 while deals on WestJet start at £303 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 New Zealand (85%), KLM (84%), Air France (83%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,941 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £339 while the most popular route, (London Heathrow - San Francisco) is currently priced at £330.
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.
What is the cheapest month to book a flight from London Heathrow Airport to Fremont?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Fremont (average of £357). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £457). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
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 10 December 2025.
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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