Cheap flights from London Heathrow Airport to Fremont from £365
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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
3 Feb — 10 Feb1
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 Wednesday 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 4 January 2026.
Thu 26/210:20LHR - SFO
2 stops21h 33mFinnair
Thu 12/311:30SFO - LHR
1 stop19h 30mFinnair
Deal found 4/1£426
Sat 29/814:30LHR - SFO
Nonstop11h 10mBritish Airways
Sun 13/919:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 2/1£426
Thu 18/619:15LHR - SFO
1 stop24h 30mVirgin Atlantic
Thu 2/723:15SFO - LHR
Nonstop10h 15mVirgin Atlantic
Deal found 3/1£427
Tue 14/409:30LHR - SFO
2 stops17h 08mMultiple Airlines
Tue 21/408:23SFO - LHR
2 stops17h 37mMultiple Airlines
Deal found 4/1£428
Sat 11/410:05LHR - SFO
1 stop16h 24mFinnair
Wed 22/410:19SFO - LHR
1 stop13h 46mFinnair
Deal found 4/1£429
Sat 10/115:00LHR - SFO
2 stops26h 38mAir Canada
Fri 20/208:30SFO - LHR
1 stop14h 00mAir Canada
Deal found 2/1£429
Sun 18/113:45LHR - SFO
1 stop13h 58mMultiple Airlines
Fri 25/910:25SFO - LHR
1 stop14h 05mMultiple Airlines
Deal found 2/1£430
Mon 12/118:00LHR - SFO
1 stop24h 54mAir Canada
Sun 25/107:30SFO - LHR
2 stops19h 50mAir Canada
Deal found 3/1£431
Mon 12/114:25LHR - SFO
2 stops34h 05mSWISS
Sun 25/119:25SFO - LHR
1 stop18h 15mSWISS
Deal found 3/1£432
Tue 5/506:30LHR - SFO
1 stop13h 15mDelta
Tue 12/506:00SFO - LHR
1 stop16h 25mDelta
Deal found 2/1£433
Thu 15/111:10LHR - SFO
2 stops19h 49mMultiple Airlines
Wed 4/308:31SFO - LHR
2 stops18h 49mMultiple Airlines
Deal found 2/1£434
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 4 January 2026.
Sat 28/218:10LHR - SFO
2 stops34h 32mFinnair
Tue 10/312:47SFO - LHR
1 stop18h 13mFinnair
Deal found 4/1£432
Sun 1/209:20LHR - SFO
1 stop21h 39mJetBlue
Tue 3/220:37SFO - LHR
1 stop17h 03mJetBlue
Deal found 4/1£432
Tue 5/506:30LHR - SFO
1 stop13h 15mDelta
Fri 15/523:15SFO - LHR
Nonstop10h 15mDelta
Deal found 2/1£433
Fri 5/616:15LHR - SFO
Nonstop11h 00mUnited Airlines
Mon 8/623:30SFO - LHR
1 stop23h 15mUnited Airlines
Deal found 2/1£437
Fri 3/716:10LHR - SFO
1 stop14h 26mBritish Airways
Fri 10/716:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 3/1£449
Mon 20/419:50LHR - SFO
2 stops26h 50mScandinavian Airlines
Thu 30/416:45SFO - LHR
2 stops15h 40mScandinavian Airlines
Deal found 4/1£457
Wed 1/410:45LHR - SFO
Nonstop11h 05mMultiple Airlines
Tue 14/416:35SFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 2/1£469
Tue 5/506:30LHR - SFO
1 stop13h 15mDelta
Wed 13/523:15SFO - LHR
Nonstop10h 15mDelta
Deal found 2/1£433
Wed 1/709:30LHR - SFO
2 stops18h 37mUnited Airlines
Fri 31/720:52SFO - LHR
1 stop28h 48mUnited Airlines
Deal found 3/1£438
Sat 23/510:45LHR - SFO
Nonstop11h 05mBritish Airways
Fri 5/622:03SFO - LHR
1 stop13h 42mBritish Airways
Deal found 3/1£465
Thu 12/219:50LHR - SFO
2 stops26h 45mScandinavian Airlines
Thu 19/216:40SFO - LHR
2 stops18h 10mScandinavian Airlines
Deal found 4/1£467
Wed 1/713:00LHR - SFO
Nonstop11h 05mUnited Airlines
Sat 18/716:45SFO - LHR
Nonstop10h 25mUnited Airlines
Deal found 4/1£452
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 4 January 2026.
Sun 18/111:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Fri 25/919:30SFO - LHR
Nonstop10h 25mAmerican Airlines
Deal found 2/1£426
Sun 3/510:45LHR - SFO
Nonstop11h 05mBritish Airways
Sat 9/516:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 4/1£427
Tue 24/311:45LHR - SFO
Nonstop11h 15mBritish Airways
Sat 11/419:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 4/1£431
Tue 14/410:35LHR - SFO
Nonstop11h 05mBrussels Airlines
Wed 22/416:35SFO - LHR
Nonstop10h 35mBrussels Airlines
Deal found 3/1£432
Fri 27/315:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 7/416:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 4/1£432
Wed 14/111:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Sun 5/419:30SFO - LHR
Nonstop10h 25mAmerican Airlines
Deal found 3/1£434
Mon 30/314:30LHR - SFO
Nonstop11h 10mBritish Airways
Mon 13/419:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 4/1£435
Wed 1/713:00LHR - SFO
Nonstop11h 05mLufthansa
Mon 20/719:45SFO - LHR
Nonstop10h 25mLufthansa
Deal found 4/1£436
Wed 1/713:00LHR - SFO
Nonstop11h 05mMultiple Airlines
Thu 23/713:00SFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 2/1£437
Sat 6/610:45LHR - SFO
Nonstop11h 05mBritish Airways
Sun 14/616:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 4/1£439
Mon 8/610:45LHR - SFO
Nonstop11h 05mFinnair
Sun 14/616:35SFO - LHR
Nonstop10h 25mFinnair
Deal found 4/1£440
Wed 10/613:00LHR - SFO
Nonstop11h 05mLufthansa
Tue 23/616:45SFO - LHR
Nonstop10h 25mLufthansa
Deal found 3/1£441
Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 4 January 2026 and is based on user searches.
Fri 9/115:00LHR - SFO
2 stops26h 38mAir Canada
Fri 20/208:30SFO - LHR
1 stop14h 00mAir Canada
Deal found 2/1£428
Sat 10/115:00LHR - SFO
2 stops26h 38mAir Canada
Fri 20/208:30SFO - LHR
1 stop14h 00mAir Canada
Deal found 2/1£429
Sun 11/115:00LHR - SFO
2 stops27h 34mMultiple Airlines
Sun 18/114:40SFO - LHR
2 stops22h 40mMultiple Airlines
Deal found 4/1£429
Mon 12/118:00LHR - SFO
1 stop24h 54mAir Canada
Sun 25/107:30SFO - LHR
2 stops19h 50mAir Canada
Deal found 3/1£431
Mon 12/114:25LHR - SFO
2 stops34h 05mSWISS
Sun 25/119:25SFO - LHR
1 stop18h 15mSWISS
Deal found 3/1£432
Thu 15/111:10LHR - SFO
2 stops19h 49mMultiple Airlines
Wed 4/308:31SFO - LHR
2 stops18h 49mMultiple Airlines
Deal found 2/1£434
Sun 18/113:45LHR - SFO
1 stop13h 58mMultiple Airlines
Fri 25/910:25SFO - LHR
1 stop14h 05mMultiple Airlines
Deal found 2/1£430
Mon 19/119:30LHR - SFO
2 stops53h 00mSWISS
Mon 26/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 1/1£433
Mon 26/106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Fri 30/116:40SFO - LHR
2 stops17h 50mScandinavian Airlines
Deal found 4/1£427
Mon 9/218:10LHR - SFO
2 stops35h 15mFinnair
Tue 17/210:06SFO - LHR
1 stop15h 54mFinnair
Deal found 2/1£426
Thu 26/210:20LHR - SFO
2 stops21h 33mFinnair
Thu 12/311:30SFO - LHR
1 stop19h 30mFinnair
Deal found 4/1£426
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 4 January 2026.
Wed 20/506:55LHR - SFO
1 stop15h 40mLufthansa
Deal found 3/1£365
Sun 25/114:50LHR - SFO
3 stops33h 00mMultiple Airlines
Deal found 4/1£366
Wed 10/609:50LHR - SFO
1 stop14h 00mAer Lingus
Deal found 2/1£367
Mon 25/510:20LHR - SFO
2 stops19h 51mMultiple Airlines
Deal found 4/1£368
Tue 31/314:45LHR - SFO
1 stop29h 00mVirgin Atlantic
Deal found 2/1£368
Tue 13/109:50LHR - SFO
1 stop13h 45mAer Lingus
Deal found 4/1£369
Sat 24/114:50LHR - SFO
2 stops26h 40mMultiple Airlines
Deal found 4/1£370
Thu 12/213:45LHR - SFO
Nonstop11h 15mLufthansa
Deal found 2/1£371
Sun 1/310:05LHR - SFO
Nonstop11h 15mAustrian Airlines
Deal found 2/1£373
Sat 28/211:45LHR - SFO
Nonstop11h 15mBritish Airways
Deal found 4/1£374
Sat 14/317:30LHR - SFO
3 stops45h 01mMultiple Airlines
Deal found 1/1£374
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 4 January 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 858,174 searches. Data last updated 4 January 2026.
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
Sat 28/2
18:10-20:42
2 stops34h 32m
San Francisco
Tue 10/3
12:47-14:00
1 stop18h 13m
£432
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 1/2
09:20-22:59
1 stop21h 39m
San Francisco
Tue 3/2
20:37-21:40
1 stop17h 03m
£432
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 5/5
06:30-11:45
1 stop13h 15m
San Francisco
Fri 15/5
23:15-17:30
Nonstop10h 15m
£433
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 5/5
06:30-11:45
1 stop13h 15m
San Francisco
Wed 13/5
23:15-17:30
Nonstop10h 15m
£433
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 5/6
16:15-19:15
Nonstop11h 00m
San Francisco
Mon 8/6
23:30-06:45
1 stop23h 15m
£437
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 1/7
09:30-20:07
2 stops18h 37m
San Francisco
Fri 31/7
20:52-09:40
1 stop28h 48m
£438
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 3/7
16:10-22:36
1 stop14h 26m
San Francisco
Fri 10/7
16:35-11:00
Nonstop10h 25m
£449
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 1/7
13:00-16:05
Nonstop11h 05m
San Francisco
Sat 18/7
16:45-11:10
Nonstop10h 25m
£452
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 20/4
19:50-14:40
2 stops26h 50m
San Francisco
Thu 30/4
16:45-16:25
2 stops15h 40m
£457
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 23/5
10:45-13:50
Nonstop11h 05m
San Francisco
Fri 5/6
22:03-19:45
1 stop13h 42m
£465
Flights are sorted by cheapest return flights first.
Deals found on 2/1
Showing 1-10 of 24 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 26 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 £354). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £448). 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 4 January 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 4 January 2026.
The most flights from LHR to FR8 are scheduled on a Monday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 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 4 January 2026.
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.
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
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, JetBlue, and Delta can get you from London Heathrow Airport to Fremont in just under 13h 15m. Your travel time can differ by up to 21h 17m. 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 £249. TAP AIR PORTUGAL flights start at £270 while deals on WestJet start at £300 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 (88%), Austrian Airlines (88%), United Airlines (88%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £2,005 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £380 while the most popular route, (London Heathrow - San Francisco) is currently priced at £308.
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 £354). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £448). 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.
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 4 January 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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