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Cheap flights from London Heathrow Airport to Fremont from £443

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
26 Jun — 3 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Fremont are usually found in February or September, booked 81 days in advance, depart on a Wednesday or Thursday 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 27 May 2026.

Tue 1/910:50
LHR
-
SFO
1 stop16h 10m
Lufthansa
Wed 30/913:55
SFO
-
LHR
1 stop24h 15m
Lufthansa
Deal found 25/5£508
Sat 3/1006:30
LHR
-
SFO
1 stop16h 50m
Lufthansa
Sun 18/1016:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 26/5£509
Wed 4/1109:00
LHR
-
SFO
1 stop15h 30m
United Airlines
Wed 11/1108:35
SFO
-
LHR
1 stop17h 05m
United Airlines
Deal found 23/5£509
Thu 24/908:45
LHR
-
SFO
1 stop15h 30m
United Airlines
Sat 3/1019:45
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 22/5£510
Sat 21/1109:00
LHR
-
SFO
1 stop15h 30m
United Airlines
Sat 28/1105:00
SFO
-
LHR
1 stop20h 40m
United Airlines
Deal found 24/5£511
Sun 11/1019:30
LHR
-
SFO
1 stop27h 10m
Scandinavian Airlines
Tue 20/1016:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 25/5£512
Tue 22/908:45
LHR
-
SFO
2 stops17h 56m
Air Canada
Tue 29/911:10
SFO
-
LHR
1 stop14h 50m
Air Canada
Deal found 25/5£512
Mon 7/910:35
LHR
-
SFO
Nonstop11h 00m
Multiple Airlines
Sun 27/916:30
SFO
-
LHR
1 stop35h 20m
Multiple Airlines
Deal found 26/5£513
Sun 6/1207:40
LHR
-
SFO
1 stop15h 10m
Lufthansa
Fri 5/216:40
SFO
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 23/5£514
Fri 4/1206:30
LHR
-
SFO
1 stop14h 05m
Multiple Airlines
Fri 5/212:50
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 23/5£515
Thu 1/1008:45
LHR
-
SFO
1 stop15h 30m
SWISS
Thu 15/1019:35
SFO
-
LHR
1 stop14h 15m
SWISS
Deal found 22/5£515
Wed 23/908:40
LHR
-
SFO
2 stops18h 01m
Air Canada
Thu 8/1011:35
SFO
-
LHR
1 stop16h 15m
Air Canada
Deal found 24/5£516

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 27 May 2026.

Round-trip from

£508

One-way from

£443

Popular in

December

Cheapest in

February

Average price

£568
Lufthansa
  • Lufthansa
  • 1/9-30/9
  • 2 total stops
  • 40h 25m total
  • London to Fremont
Search Deals
Air Canada
  • Air Canada
  • 7/7
  • 1 total stop
  • 33h 51m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
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 27 May 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 - SFO

LHRSFO

London Heathrow

Fri 13/11

13:45-16:55

Nonstop11h 10m

San Francisco

Mon 23/11

12:50-07:25

Nonstop10h 35m

£538

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 23/11

10:05-13:20

Nonstop11h 15m

San Francisco

Mon 30/11

16:40-11:15

Nonstop10h 35m

£539

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 27/9

09:30-20:47

1 stop19h 17m

San Francisco

Sun 4/10

05:00-12:35

1 stop23h 35m

£541

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 24/6

11:45-11:45

1 stop32h 00m

San Francisco

Mon 13/7

08:55-06:45

1 stop13h 50m

£557

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 22/6

17:45-00:06

1 stop14h 21m

San Francisco

Mon 6/7

23:15-17:30

Nonstop10h 15m

£571

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 20/10

06:30-11:45

1 stop13h 15m

San Francisco

Tue 27/10

17:45-10:55

Nonstop10h 10m

£574
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

12:45-15:45

Nonstop11h 00m

San Francisco

Thu 2/7

23:15-17:30

Nonstop10h 15m

£577

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 25/8

12:45-15:45

Nonstop11h 00m

San Francisco

Tue 1/9

23:15-17:30

Nonstop10h 15m

£583

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 6/8

20:05-10:15

1 stop22h 10m

San Francisco

Sat 22/8

11:54-13:05

2 stops17h 11m

£612

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 20/8

06:30-11:45

1 stop13h 15m

San Francisco

Sat 5/9

17:55-12:15

Nonstop10h 20m

£621

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

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 27 May 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 27 May 2026.

The most flights from LHR to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 on average).

How much does it cost for a return flight from London Heathrow Airport to Fremont?

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 27 May 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.
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
921 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.5
Good
689 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,753 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
8,033 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
8,007 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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?

    Lufthansa, United Airlines, and Delta can get you from London Heathrow Airport to Fremont in just under 11h 10m. Your travel time can differ by up to 20h 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £272. Virgin Atlantic flights start at £323 while deals on Iberia start at £325 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 £1,189 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £426 while the most popular route, (London Heathrow - San Francisco) is currently priced at £403.

  • Can I find deals for flights from Heathrow to Fremont that include hotel bookings?

    Yes. In addition to deals on Heathrow to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Fremont.

  • 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.

See more FAQs

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Alternative routes for Heathrow to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Heathrow to Fremont

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 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£320Average£626FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£334Average£417FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£349Average£427FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£351Average£577FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£354Average£480FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£359Average£467FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£366Average£540FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£371Average£509FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£375Average£499FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£378Average£537FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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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