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Cheap flights from London Heathrow Airport to Fremont from £360

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
10 Apr — 17 Apr1
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 11 March 2026.

Fri 13/309:00
LHR
-
SFO
1 stop15h 30m
Multiple Airlines
Sun 29/308:30
SFO
-
LHR
1 stop16h 05m
Multiple Airlines
Deal found 6/3£379
Wed 17/615:05
LHR
-
SFO
1 stop16h 01m
Air Canada
Sun 28/608:10
SFO
-
LHR
1 stop14h 20m
Air Canada
Deal found 10/3£381
Sun 23/810:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 14/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 7/3£382
Wed 17/607:45
LHR
-
SFO
1 stop16h 33m
United Airlines
Sat 27/616:45
SFO
-
LHR
Nonstop10h 25m
United Airlines
Deal found 10/3£382
Wed 25/307:40
LHR
-
SFO
1 stop16h 51m
United Airlines
Wed 8/408:45
SFO
-
LHR
1 stop14h 30m
United Airlines
Deal found 7/3£383
Tue 16/615:05
LHR
-
SFO
1 stop16h 01m
Air Canada
Thu 2/708:30
SFO
-
LHR
1 stop17h 05m
Air Canada
Deal found 10/3£384
Fri 19/609:30
LHR
-
SFO
1 stop19h 21m
Air Canada
Wed 1/713:25
SFO
-
LHR
1 stop14h 25m
Air Canada
Deal found 10/3£385
Thu 23/419:30
LHR
-
SFO
1 stop27h 10m
Scandinavian Airlines
Sun 3/516:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 6/3£387
Fri 19/612:05
LHR
-
SFO
1 stop16h 57m
Air Canada
Sun 28/608:30
SFO
-
LHR
1 stop16h 05m
Air Canada
Deal found 10/3£388
Thu 19/309:00
LHR
-
SFO
1 stop15h 30m
Multiple Airlines
Wed 13/516:35
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 6/3£392
Sun 15/306:00
LHR
-
SFO
1 stop18h 30m
Multiple Airlines
Sun 29/316:35
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 7/3£393
Mon 16/308:45
LHR
-
SFO
1 stop18h 50m
Lufthansa
Sun 29/312:50
SFO
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 7/3£394

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 11 March 2026.

Round-trip from

£381

One-way from

£360

Popular in

December

Cheapest in

February

Average price

£487
Air Canada
  • Air Canada
  • 17/6-28/6
  • 2 total stops
  • 30h 21m total
  • London to Fremont
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 46h 20m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 11 March 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

Mon 23/3

07:40-20:35

1 stop19h 55m

San Francisco

Mon 30/3

19:30-14:10

Nonstop10h 40m

£413

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 16/4

08:45-16:15

1 stop15h 30m

San Francisco

Mon 20/4

19:30-14:10

Nonstop10h 40m

£416

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 6/9

07:25-19:00

1 stop19h 35m

San Francisco

Sun 13/9

19:55-14:10

Nonstop10h 15m

£417

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 30/4

07:25-14:30

1 stop15h 05m

San Francisco

Wed 6/5

08:55-07:40

1 stop14h 45m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 18/4

07:25-14:30

1 stop15h 05m

San Francisco

Sat 25/4

14:10-11:55

1 stop13h 45m

£420

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

07:30-20:00

1 stop20h 30m

San Francisco

Fri 8/5

19:40-14:10

Nonstop10h 30m

£420

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/6

09:30-23:02

2 stops21h 32m

San Francisco

Fri 26/6

17:30-09:40

1 stop32h 10m

£435
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 15/5

13:00-16:10

Nonstop11h 10m

San Francisco

Wed 20/5

12:50-07:25

Nonstop10h 35m

£440

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 23/6

08:15-15:55

1 stop15h 40m

San Francisco

Tue 14/7

22:03-19:45

1 stop13h 42m

£444

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 31/3

16:40-01:17

1 stop16h 37m

San Francisco

Tue 7/4

12:00-10:10

1 stop14h 10m

£447

Flights are sorted by cheapest return flights first.

Deals found on 9/3

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 6 March 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 £436). 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 11 March 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 11 March 2026.

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).

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 11 March 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
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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
Austrian Airlines
7.6
Good
901 reviews
Austrian Airlines
7.6
Good
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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
Virgin Atlantic
7.5
Good
680 reviews
Austrian Airlines
7.6
Good
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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
United Airlines
7.4
Good
9,413 reviews
Austrian Airlines
7.6
Good
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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
Lufthansa
6.8
Okay
7,843 reviews
Austrian Airlines
7.6
Good
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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
British Airways
6.7
Okay
7,781 reviews
Austrian Airlines
7.6
Good
901 reviews
Check prices

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

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?

    United Airlines can get you from London Heathrow Airport to Fremont in just under 19h 55m. 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 £270. WestJet flights start at £300 while deals on Scandinavian Airlines start at £303 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: KLM (84%), Air France (84%), Delta (84%).

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

    On average you can expect to pay £1,781 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £376 while the most popular route, (London Heathrow - San Francisco) is currently priced at £338.

  • 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 £436). 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£320Average£573FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£338Average£547FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£350Average£506FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
SWISSCheapest£351Average£428FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£358Average£556FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£359Average£455FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£360Average£473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£367Average£518FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£372Average£485FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Virgin AtlanticCheapest£375Average£507FlexibilityNo 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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