Cheap flights from London Heathrow Airport to Fremont from £369
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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
2 Jan — 9 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 82 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 3 December 2025.
Sun 14/1207:50LHR - SFO
1 stop16h 45mBritish Airways
Sun 28/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 1/12£464
Tue 16/1211:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 23/1217:20SFO - LHR
1 stop14h 15mBritish Airways
Deal found 30/11£466
Sun 7/1207:50LHR - SFO
1 stop16h 45mBritish Airways
Mon 29/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 30/11£466
Wed 10/1215:00LHR - SFO
2 stops37h 34mAir Canada
Mon 5/111:20SFO - LHR
2 stops35h 50mAir Canada
Deal found 30/11£467
Sun 7/1208:55LHR - SFO
2 stops21h 55mDelta
Sun 28/1216:30SFO - LHR
Nonstop10h 10mDelta
Deal found 30/11£469
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Wed 21/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£470
Mon 15/1214:30LHR - SFO
1 stop29h 50mAir Canada
Sat 24/111:20SFO - LHR
1 stop16h 30mAir Canada
Deal found 1/12£471
Thu 11/1215:25LHR - SFO
Nonstop11h 20mAmerican Airlines
Sat 27/1220:40SFO - LHR
Nonstop10h 30mAmerican Airlines
Deal found 2/12£472
Mon 8/1206:30LHR - SFO
1 stop13h 20mDelta
Mon 29/1213:55SFO - LHR
1 stop12h 50mDelta
Deal found 30/11£472
Thu 25/1215:00LHR - SFO
2 stops27h 34mAir Canada
Tue 6/123:56SFO - LHR
2 stops23h 14mAir Canada
Deal found 30/11£473
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Fri 23/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£474
Wed 17/1217:20LHR - SFO
1 stop22h 10mDelta
Mon 12/122:55SFO - LHR
1 stop13h 15mDelta
Deal found 1/12£475
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 3 December 2025.
Mon 13/416:15LHR - SFO
Nonstop11h 05mUnited Airlines
Wed 29/400:45SFO - LHR
1 stop22h 55mUnited Airlines
Deal found 30/11£464
Sun 22/216:15LHR - SFO
2 stops40h 44mFinnair
Wed 4/312:05SFO - LHR
1 stop13h 35mFinnair
Deal found 1/12£467
Thu 25/1210:45LHR - SFO
2 stops20h 05mDelta
Mon 29/1213:55SFO - LHR
1 stop15h 55mDelta
Deal found 2/12£478
Wed 7/119:05LHR - SFO
1 stop22h 39mBritish Airways
Thu 15/115:35SFO - LHR
1 stop14h 25mBritish Airways
Deal found 30/11£479
Fri 20/207:30LHR - SFO
2 stops25h 29mFinnair
Sun 8/311:30SFO - LHR
1 stop17h 50mFinnair
Deal found 1/12£467
Sat 10/116:10LHR - SFO
1 stop16h 59mDelta
Mon 26/113:35SFO - LHR
1 stop13h 20mDelta
Deal found 1/12£481
Fri 20/209:00LHR - SFO
1 stop15h 30mUnited Airlines
Mon 9/313:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 1/12£497
Mon 16/215:00LHR - SFO
1 stop15h 58mBritish Airways
Tue 10/317:00SFO - LHR
1 stop14h 00mBritish Airways
Deal found 1/12£500
Thu 19/210:20LHR - SFO
2 stops22h 39mFinnair
Wed 4/320:40SFO - LHR
Nonstop10h 30mFinnair
Deal found 1/12£467
Fri 9/109:40LHR - SFO
1 stop20h 02mDelta
Wed 28/116:03SFO - LHR
1 stop16h 47mDelta
Deal found 1/12£481
Tue 17/207:30LHR - SFO
2 stops25h 29mFinnair
Wed 4/312:05SFO - LHR
1 stop26h 05mFinnair
Deal found 1/12£467
Sat 21/210:35LHR - SFO
1 stop17h 13mFinnair
Wed 4/312:05SFO - LHR
1 stop13h 35mFinnair
Deal found 1/12£487
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 3 December 2025.
Thu 19/211:40LHR - SFO
Nonstop11h 00mMultiple Airlines
Sat 7/316:30SFO - LHR
Nonstop10h 10mMultiple Airlines
Deal found 1/12£466
Fri 12/1211:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Sat 27/1220:40SFO - LHR
Nonstop10h 30mAmerican Airlines
Deal found 2/12£469
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Tue 13/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£470
Thu 8/115:25LHR - SFO
Nonstop11h 20mBritish Airways
Sat 17/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 2/12£471
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Sun 18/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£474
Thu 28/517:20LHR - SFO
Nonstop11h 00mDelta
Thu 11/622:30SFO - LHR
Nonstop10h 20mDelta
Deal found 2/12£475
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Sat 10/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£477
Sat 13/1211:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Wed 5/822:30SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 2/12£481
Wed 25/311:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 7/415:55SFO - LHR
Nonstop10h 45mVirgin Atlantic
Deal found 1/12£482
Fri 9/111:40LHR - SFO
Nonstop11h 00mMultiple Airlines
Mon 16/216:30SFO - LHR
Nonstop10h 10mMultiple Airlines
Deal found 2/12£483
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 3 December 2025 and is based on user searches.
Wed 10/1213:45LHR - SFO
Nonstop11h 15mMultiple Airlines
Mon 5/112:00SFO - LHR
1 stop34h 30mMultiple Airlines
Deal found 2/12£472
Thu 11/1215:25LHR - SFO
Nonstop11h 20mAmerican Airlines
Sat 27/1220:40SFO - LHR
Nonstop10h 30mAmerican Airlines
Deal found 2/12£472
Fri 12/1211:50LHR - SFO
1 stop16h 33mAmerican Airlines
Sat 27/1220:40SFO - LHR
Nonstop10h 30mAmerican Airlines
Deal found 1/12£466
Sun 14/1207:50LHR - SFO
1 stop16h 45mBritish Airways
Sun 28/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 1/12£464
Wed 17/1211:40LHR - SFO
Nonstop11h 00mDelta
Wed 21/116:30SFO - LHR
Nonstop10h 10mDelta
Deal found 1/12£470
Wed 7/118:00LHR - SFO
1 stop24h 54mMultiple Airlines
Fri 16/111:20SFO - LHR
2 stops14h 50mMultiple Airlines
Deal found 2/12£469
Thu 8/110:25LHR - SFO
1 stop16h 44mBrussels Airlines
Fri 30/112:50SFO - LHR
Nonstop10h 35mBrussels Airlines
Deal found 1/12£466
Thu 8/113:25LHR - SFO
1 stop15h 57mAir Canada
Wed 28/108:33SFO - LHR
2 stops18h 47mAir Canada
Deal found 1/12£468
Sat 10/111:10LHR - SFO
1 stop18h 29mAir Canada
Sat 24/107:30SFO - LHR
2 stops18h 40mAir Canada
Deal found 1/12£465
Sat 10/113:00LHR - SFO
1 stop16h 39mAir Canada
Sun 25/107:30SFO - LHR
2 stops19h 50mAir Canada
Deal found 2/12£469
Tue 13/107:30LHR - SFO
1 stop16h 25mUnited Airlines
Wed 28/112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 1/12£471
Wed 14/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Wed 28/106:45SFO - LHR
1 stop15h 10mUnited Airlines
Deal found 1/12£467
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 3 December 2025.
Fri 27/211:45LHR - SFO
Nonstop11h 15mFinnair
Deal found 2/12£369
Sat 11/414:10LHR - SFO
2 stops27h 20mMultiple Airlines
Deal found 1/12£371
Thu 23/406:00LHR - SFO
2 stops23h 21mAir Canada
Deal found 2/12£372
Thu 23/413:00LHR - SFO
Nonstop11h 10mLufthansa
Deal found 2/12£372
Sun 15/314:30LHR - SFO
2 stops32h 04mAir Canada
Deal found 2/12£373
Sat 14/311:45LHR - SFO
Nonstop11h 15mFinnair
Deal found 2/12£374
Sat 17/110:05LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 1/12£375
Wed 10/1208:50LHR - SFO
1 stop14h 45mAer Lingus
Deal found 2/12£376
Fri 8/510:45LHR - SFO
Nonstop11h 05mBritish Airways
Deal found 2/12£377
Thu 11/1220:45LHR - SFO
1 stop26h 50mAer Lingus
Deal found 1/12£378
Sat 28/211:45LHR - SFO
Nonstop11h 15mBritish Airways
Deal found 2/12£379
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 3 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 3 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 13/4
16:15-19:20
Nonstop11h 05m
San Francisco
Wed 29/4
00:45-07:40
1 stop22h 55m
£464
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 22/2
16:15-00:59
2 stops40h 44m
San Francisco
Wed 4/3
12:05-09:40
1 stop13h 35m
£467
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 20/2
07:30-00:59
2 stops25h 29m
San Francisco
Sun 8/3
11:30-12:20
1 stop17h 50m
£467
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 19/2
10:20-00:59
2 stops22h 39m
San Francisco
Wed 4/3
20:40-15:10
Nonstop10h 30m
£467
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 17/2
07:30-00:59
2 stops25h 29m
San Francisco
Wed 4/3
12:05-22:10
1 stop26h 05m
£467
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 25/12
10:45-22:50
2 stops20h 05m
San Francisco
Mon 29/12
13:55-13:50
1 stop15h 55m
£478
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 7/1
19:05-09:44
1 stop22h 39m
San Francisco
Thu 15/1
15:35-14:00
1 stop14h 25m
£479
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 10/1
16:10-01:09
1 stop16h 59m
San Francisco
Mon 26/1
13:35-10:55
1 stop13h 20m
£481
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 9/1
09:40-21:42
1 stop20h 02m
San Francisco
Wed 28/1
16:03-16:50
1 stop16h 47m
£481
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 21/2
10:35-19:48
1 stop17h 13m
San Francisco
Wed 4/3
12:05-09:40
1 stop13h 35m
£487
Flights are sorted by cheapest return flights first.
Deals found on 1/12
Showing 1-10 of 22 results
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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 28 November 2025.
Booking 82 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 £352). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £464). 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 3 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 3 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 3 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 and Finnair can get you from London Heathrow Airport to Fremont in just under 11h 05m. Your travel time can differ by up to 29h 39m. 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 £253. TAP AIR PORTUGAL flights start at £275 while deals on WestJet start at £306 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 (84%), Air France (82%), Delta (82%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,969 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 £323.
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 £352). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £464). 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 3 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 3 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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