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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
11 Jan — 18 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 12 December 2025.
Tue 23/1208:15LHR - SFO
1 stop38h 15mTAP AIR PORTUGAL
Mon 19/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 10/12£473
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 12/116:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 11/12£476
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 29/1216:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 10/12£482
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 11/12£484
Wed 24/1215:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 6/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£486
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop19h 30mTAP AIR PORTUGAL
Deal found 12/12£495
Wed 24/1217:00LHR - SFO
1 stop29h 35mScandinavian Airlines
Sat 17/116:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 10/12£497
Thu 25/1219:55LHR - SFO
1 stop28h 10mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 12/12£497
Thu 25/1219:55LHR - SFO
1 stop28h 10mTAP AIR PORTUGAL
Mon 29/1216:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 10/12£498
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 December 2025.
Mon 12/116:40LHR - SFO
1 stop30h 10mUnited Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£476
Tue 27/113:45LHR - SFO
Nonstop11h 15mLufthansa
Thu 19/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 11/12£491
Thu 5/309:00LHR - SFO
1 stop15h 30mSWISS
Mon 16/320:25SFO - LHR
1 stop14h 25mSWISS
Deal found 11/12£494
Wed 28/113:45LHR - SFO
Nonstop11h 15mUnited Airlines
Mon 16/212:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£491
Wed 28/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Sat 21/216:15SFO - LHR
1 stop13h 15mUnited Airlines
Deal found 11/12£494
Sun 25/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Thu 5/312:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Sat 31/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Tue 17/212:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Sat 31/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Wed 18/212:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Fri 30/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Thu 19/217:25SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Thu 29/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Mon 16/217:25SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Fri 16/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Wed 21/117:25SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
Sat 24/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Thu 5/312:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 11/12£494
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 December 2025.
Wed 21/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Wed 28/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£470
Wed 11/315:25LHR - SFO
Nonstop11h 20mBritish Airways
Mon 30/316:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 11/12£473
Sat 7/315:25LHR - SFO
Nonstop11h 20mBritish Airways
Thu 26/321:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 11/12£478
Wed 21/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Sun 15/217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 11/12£482
Wed 21/110:05LHR - SFO
Nonstop11h 15mLufthansa
Tue 10/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 10/12£483
Wed 28/110:05LHR - SFO
Nonstop11h 15mLufthansa
Tue 3/217:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 11/12£484
Mon 27/410:45LHR - SFO
Nonstop11h 05mBritish Airways
Wed 20/516:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 11/12£485
Wed 24/1215:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 6/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£486
Mon 12/110:05LHR - SFO
Nonstop11h 15mAustrian Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mAustrian Airlines
Deal found 10/12£487
Tue 10/213:45LHR - SFO
Nonstop11h 15mAustrian Airlines
Tue 17/212:50SFO - LHR
Nonstop10h 35mAustrian Airlines
Deal found 11/12£488
Fri 30/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Thu 5/217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 11/12£488
Mon 12/110:05LHR - SFO
Nonstop11h 15mLufthansa
Mon 26/112:50SFO - LHR
Nonstop10h 35mLufthansa
Deal found 11/12£489
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 12 December 2025 and is based on user searches.
Fri 9/108:05LHR - SFO
1 stop22h 54mJetBlue
Sat 17/122:37SFO - LHR
1 stop14h 08mJetBlue
Deal found 11/12£470
Fri 9/108:05LHR - SFO
1 stop17h 04mJetBlue
Wed 14/115:05SFO - LHR
1 stop22h 35mJetBlue
Deal found 9/12£472
Mon 12/120:05LHR - SFO
1 stop28h 25mSWISS
Wed 11/219:25SFO - LHR
1 stop14h 25mSWISS
Deal found 10/12£474
Mon 12/116:40LHR - SFO
1 stop30h 10mUnited Airlines
Mon 26/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 10/12£476
Mon 12/113:45LHR - SFO
1 stop34h 45mSWISS
Mon 26/119:25SFO - LHR
1 stop14h 25mSWISS
Deal found 11/12£476
Mon 12/119:30LHR - SFO
2 stops35h 34mScandinavian Airlines
Mon 19/116:40SFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 11/12£480
Tue 13/117:30LHR - SFO
2 stops53h 05mScandinavian Airlines
Fri 16/116:40SFO - LHR
1 stop32h 40mScandinavian Airlines
Deal found 10/12£471
Tue 13/109:00LHR - SFO
1 stop15h 30mMultiple Airlines
Sun 18/112:50SFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 11/12£479
Sat 17/107:40LHR - SFO
1 stop19h 55mLufthansa
Mon 26/112:50SFO - LHR
Nonstop10h 35mLufthansa
Deal found 10/12£479
Wed 21/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Thu 29/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 11/12£470
Wed 21/109:00LHR - SFO
1 stop15h 30mMultiple Airlines
Sun 15/212:50SFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 11/12£478
Wed 28/109:00LHR - SFO
2 stops19h 53mAir Canada
Tue 3/208:25SFO - LHR
2 stops18h 55mAir Canada
Deal found 11/12£473
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 December 2025.
Thu 19/311:45LHR - SFO
Nonstop11h 15mFinnair
Deal found 11/12£366
Mon 12/118:50LHR - SFO
2 stops51h 40mMultiple Airlines
Deal found 10/12£367
Sat 10/114:50LHR - SFO
3 stops26h 40mMultiple Airlines
Deal found 10/12£367
Fri 9/114:50LHR - SFO
3 stops26h 40mMultiple Airlines
Deal found 11/12£368
Fri 8/509:30LHR - SFO
1 stop14h 35mUnited Airlines
Deal found 11/12£370
Sun 18/107:00LHR - SFO
2 stops17h 30mSWISS
Deal found 10/12£371
Sat 24/110:05LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 11/12£372
Mon 2/214:50LHR - SFO
2 stops16h 13mMultiple Airlines
Deal found 11/12£373
Fri 8/510:45LHR - SFO
Nonstop11h 05mBritish Airways
Deal found 11/12£374
Sun 5/419:30LHR - SFO
1 stop25h 10mLufthansa
Deal found 11/12£375
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 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 12 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
Mon 12/1
16:40-14:50
1 stop30h 10m
San Francisco
Mon 26/1
12:50-07:25
Nonstop10h 35m
£476
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 27/1
13:45-17:00
Nonstop11h 15m
San Francisco
Thu 19/2
17:25-12:00
Nonstop10h 35m
£491
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 28/1
13:45-17:00
Nonstop11h 15m
San Francisco
Mon 16/2
12:50-07:25
Nonstop10h 35m
£491
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 5/3
09:00-16:30
1 stop15h 30m
San Francisco
Mon 16/3
20:25-17:50
1 stop14h 25m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 28/1
09:00-16:30
1 stop15h 30m
San Francisco
Sat 21/2
16:15-13:30
1 stop13h 15m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 25/1
09:00-16:30
1 stop15h 30m
San Francisco
Thu 5/3
12:50-07:25
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 31/1
09:00-16:30
1 stop15h 30m
San Francisco
Tue 17/2
12:50-07:25
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 31/1
09:00-16:30
1 stop15h 30m
San Francisco
Wed 18/2
12:50-07:25
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 30/1
09:00-16:30
1 stop15h 30m
San Francisco
Thu 19/2
17:25-12:00
Nonstop10h 35m
£494
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 29/1
09:00-16:30
1 stop15h 30m
San Francisco
Mon 16/2
17:25-12:00
Nonstop10h 35m
£494
Flights are sorted by cheapest return flights first.
Deals found on 11/12
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 £355). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £455). 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 12 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 12 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 12 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?
United Airlines, Lufthansa, and SWISS can get you from London Heathrow Airport to Fremont in just under 11h 15m. Your travel time can differ by up to 18h 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at £250. TAP AIR PORTUGAL flights start at £271 while deals on WestJet start at £301 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 £1,931 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £337 while the most popular route, (London Heathrow - San Francisco) is currently priced at £336.
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 £355). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £455). 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 12 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 12 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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