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Cheap flights from London Heathrow Airport to Fremont from £384

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
14 May — 21 May1
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 Monday

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 14 April 2026.

Tue 27/1015:25
LHR
-
SFO
Nonstop11h 20m
British Airways
Tue 3/1117:30
SFO
-
LHR
Nonstop10h 30m
British Airways
Deal found 11/4£417
Wed 29/712:50
LHR
-
SFO
1 stop17h 48m
Delta
Mon 17/811:30
SFO
-
LHR
1 stop14h 50m
Delta
Deal found 11/4£443
Wed 27/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Tue 2/616:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 11/4£457
Sat 29/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 8/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 9/4£463
Fri 24/410:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Wed 29/416:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 10/4£469
Sat 25/411:30
LHR
-
SFO
1 stop14h 30m
Virgin Atlantic
Sat 9/509:43
SFO
-
LHR
1 stop16h 17m
Virgin Atlantic
Deal found 11/4£480
Tue 28/714:10
LHR
-
SFO
1 stop18h 22m
United Airlines
Thu 13/812:15
SFO
-
LHR
1 stop15h 20m
United Airlines
Deal found 11/4£485
Fri 30/1013:45
LHR
-
SFO
Nonstop11h 15m
United Airlines
Sun 15/1117:25
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 13/4£488
Mon 27/708:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Thu 13/811:10
SFO
-
LHR
1 stop14h 50m
Air Canada
Deal found 11/4£489
Wed 27/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Wed 3/616:45
SFO
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 11/4£490
Mon 22/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Wed 1/708:30
SFO
-
LHR
1 stop17h 05m
Air Canada
Deal found 11/4£491

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 14 April 2026.

Round-trip from

£443

One-way from

£384

Popular in

December

Cheapest in

February

Average price

£490
Delta
  • Delta
  • 29/7-17/8
  • 2 total stops
  • 32h 38m total
  • London to Fremont
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 38h 45m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 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 14 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

Wed 26/8

19:50-14:40

2 stops26h 50m

San Francisco

Thu 10/9

16:45-18:50

2 stops18h 05m

£549

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 7/5

06:30-11:45

1 stop13h 15m

San Francisco

Fri 15/5

13:25-10:00

1 stop12h 35m

£552

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 9/9

19:50-14:40

2 stops26h 50m

San Francisco

Tue 15/9

16:45-17:00

2 stops16h 15m

£552
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 29/4

18:30-21:25

Nonstop10h 55m

San Francisco

Thu 7/5

23:15-17:30

Nonstop10h 15m

£570

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 11/9

16:15-19:15

Nonstop11h 00m

San Francisco

Fri 18/9

23:46-06:30

1 stop22h 44m

£572

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 25/4

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 2/5

17:55-12:15

Nonstop10h 20m

£575

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 16/7

11:40-23:58

1 stop20h 18m

San Francisco

Thu 23/7

14:30-17:35

1 stop19h 05m

£580

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

11:40-23:59

1 stop20h 19m

San Francisco

Sun 5/7

23:15-17:30

Nonstop10h 15m

£590

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 2/9

12:45-15:45

Nonstop11h 00m

San Francisco

Mon 21/9

23:15-17:30

Nonstop10h 15m

£593

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/7

18:30-21:25

Nonstop10h 55m

San Francisco

Thu 6/8

20:10-18:35

1 stop14h 25m

£601

Flights are sorted by cheapest return flights first.

Deals found on 12/4

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

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 10 April 2026.

Booking 60 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 £353). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £434). 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 14 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 14 April 2026.

The most flights from LHR to FR8 are scheduled on a Monday (37 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (31 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 14 April 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
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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
904 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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
687 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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
9,581 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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
7,921 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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
7,884 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

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?

    Scandinavian Airlines, KLM, and Delta can get you from London Heathrow Airport to Fremont in just under 10h 55m. Your travel time can differ by up to 15h 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £270. WestJet flights start at £300 while deals on Virgin Atlantic start at £324 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 (83%), Air Canada (79%), Austrian Airlines (79%).

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

    On average you can expect to pay £1,151 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £431 while the most popular route, (London Heathrow - San Francisco) is currently priced at £488.

  • 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.

  • 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 £353). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £434). 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.

See more FAQs

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Alternative routes for Heathrow to Fremont

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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 14 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£320Average£572FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£335Average£414FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£337Average£551FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SWISSCheapest£351Average£428FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£352Average£548FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£357Average£521FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£359Average£466FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£367Average£531FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£371Average£509FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Virgin AtlanticCheapest£376Average£514FlexibilityNo 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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