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Cheap flights from London Heathrow Airport to Fremont from £393

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
27 May — 3 Jun1
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 60 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 April 2026.

Fri 28/806:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Fri 11/916:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 24/4£428
Thu 2/714:10
LHR
-
SFO
1 stop18h 48m
American Airlines
Tue 21/710:17
SFO
-
LHR
1 stop13h 48m
American Airlines
Deal found 23/4£428
Thu 2/714:10
LHR
-
SFO
1 stop18h 48m
American Airlines
Wed 22/706:10
SFO
-
LHR
1 stop16h 15m
American Airlines
Deal found 23/4£430
Fri 29/508:55
LHR
-
SFO
1 stop17h 05m
American Airlines
Thu 11/607:44
SFO
-
LHR
1 stop18h 36m
American Airlines
Deal found 23/4£440
Fri 8/513:05
LHR
-
SFO
1 stop15h 28m
United Airlines
Mon 18/507:15
SFO
-
LHR
1 stop14h 40m
United Airlines
Deal found 23/4£444
Mon 11/510:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Tue 19/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 23/4£457
Wed 1/710:55
LHR
-
SFO
1 stop13h 28m
Delta
Sat 18/712:42
SFO
-
LHR
1 stop16h 23m
Delta
Deal found 23/4£470
Sat 2/506:55
LHR
-
SFO
1 stop15h 35m
Lufthansa
Sat 16/519:30
SFO
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 25/4£473
Tue 30/617:45
LHR
-
SFO
1 stop14h 14m
Delta
Tue 21/711:38
SFO
-
LHR
1 stop17h 37m
Delta
Deal found 23/4£476
Wed 6/506:55
LHR
-
SFO
1 stop15h 35m
Lufthansa
Wed 13/516:35
SFO
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 25/4£478
Tue 5/507:25
LHR
-
SFO
1 stop15h 05m
Lufthansa
Tue 12/519:30
SFO
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 26/4£479

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 April 2026.

Round-trip from

£428

One-way from

£393

Popular in

December

Cheapest in

February

Average price

£492
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/8-11/9
  • 2 total stops
  • 31h 15m total
  • London to Fremont
Search Deals
12/6
  • 12/6
  • 1 total stop
  • 30h 50m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 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 April 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 April 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

Thu 24/9

08:45-16:15

1 stop15h 30m

San Francisco

Thu 1/10

12:35-09:40

1 stop13h 05m

£509

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 15/5

08:40-16:15

1 stop15h 35m

San Francisco

Fri 22/5

06:00-10:10

1 stop20h 10m

£511

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 12/5

08:45-16:25

1 stop15h 40m

San Francisco

Fri 22/5

12:15-10:10

1 stop13h 55m

£511

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/5

13:00-16:10

Nonstop11h 10m

San Francisco

Mon 18/5

12:50-07:25

Nonstop10h 35m

£538

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 9/9

19:50-14:40

2 stops26h 50m

San Francisco

Tue 15/9

16:45-18:50

2 stops18h 05m

£548

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 16/10

12:25-20:22

1 stop15h 57m

San Francisco

Wed 4/11

13:35-10:00

1 stop12h 25m

£555

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/5

12:45-15:45

Nonstop11h 00m

San Francisco

Sun 10/5

17:55-12:15

Nonstop10h 20m

£560

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/6

18:25-21:20

Nonstop10h 55m

San Francisco

Wed 10/6

13:20-10:00

1 stop12h 40m

£599

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 17/6

18:30-21:25

Nonstop10h 55m

San Francisco

Wed 24/6

17:45-12:05

Nonstop10h 20m

£603
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 20/9

12:45-15:45

Nonstop11h 00m

San Francisco

Fri 25/9

23:15-17:30

Nonstop10h 15m

£615

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 21 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 April 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 April 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 April 2026.
Get a feel of what it's like to fly with Austrian Airlines,United Airlines, andVirgin Atlantic 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
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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
911 reviews
Austrian Airlines
7.6
Good
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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
9,672 reviews
Austrian Airlines
7.6
Good
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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
7.4
Good
688 reviews
Austrian Airlines
7.6
Good
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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
7,956 reviews
Austrian Airlines
7.6
Good
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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
7,927 reviews
Austrian Airlines
7.6
Good
911 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Overall

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?

    United Airlines can get you from London Heathrow Airport to Fremont in just under 15h 30m. Your travel time can differ by up to . Airlines will cover a distance of 5350 mi.

  • 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 £268. Virgin Atlantic flights start at £321 while deals on JetBlue start at £336 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 (87%), Austrian Airlines (87%), United Airlines (87%).

  • What are the cheapest flights from London Heathrow Airport to Fremont?

    On average you can expect to pay £1,156 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £390 while the most popular route, (London Heathrow - San Francisco) is currently priced at £423.

  • 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£318Average£663FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£332Average£411FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£348Average£425FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£349Average£556FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£353Average£487FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£357Average£463FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£364Average£529FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£369Average£507FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£373Average£494FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£374Average£524FlexibilityNo 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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