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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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
24 Apr — 1 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 25 March 2026.

Wed 8/414:20
LHR
-
SFO
Nonstop11h 10m
British Airways
Fri 24/416:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 24/3£395
Wed 26/806:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Thu 3/916:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 20/3£398
Thu 25/610:00
LHR
-
SFO
1 stop19h 44m
United Airlines
Wed 22/706:10
SFO
-
LHR
1 stop15h 45m
United Airlines
Deal found 24/3£399
Wed 26/814:20
LHR
-
SFO
Nonstop11h 10m
British Airways
Thu 3/916:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 20/3£402
Fri 26/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Tue 21/711:40
SFO
-
LHR
1 stop13h 55m
Air Canada
Deal found 24/3£405
Tue 21/406:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sat 25/416:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 23/3£413
Mon 22/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Mon 20/711:40
SFO
-
LHR
1 stop13h 55m
Air Canada
Deal found 24/3£428
Mon 4/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Mon 11/516:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 20/3£435
Thu 21/519:50
LHR
-
SFO
2 stops26h 50m
Scandinavian Airlines
Thu 28/516:45
SFO
-
LHR
1 stop20h 55m
Scandinavian Airlines
Deal found 20/3£436

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 25 March 2026.

Round-trip from

£386

One-way from

£360

Popular in

December

Cheapest in

February

Average price

£490
Delta
  • Delta
  • 23/4-27/5
  • 2 total stops
  • 31h 22m total
  • London to Fremont
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 42h 10m 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 25 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

Sun 3/5

06:00-16:15

1 stop18h 15m

San Francisco

Sun 10/5

19:35-07:55

1 stop28h 20m

£446

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 11/5

08:40-16:15

1 stop15h 35m

San Francisco

Mon 18/5

21:05-19:40

1 stop14h 35m

£458

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 16/4

13:30-20:00

1 stop14h 30m

San Francisco

Wed 29/4

12:45-10:40

1 stop13h 55m

£460

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/4

08:40-16:15

1 stop15h 35m

San Francisco

Fri 24/4

05:00-12:25

1 stop23h 25m

£462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/4

08:45-16:15

1 stop15h 30m

San Francisco

Sat 25/4

08:20-09:40

1 stop17h 20m

£462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 6/4

06:55-14:30

1 stop15h 35m

San Francisco

Fri 24/4

16:35-11:10

Nonstop10h 35m

£466

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 7/4

20:05-16:15

1 stop28h 10m

San Francisco

Tue 14/4

13:00-17:50

2 stops20h 50m

£468

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 19/9

09:50-15:55

1 stop14h 05m

San Francisco

Sat 26/9

10:25-08:30

1 stop14h 05m

£472

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 25/4

08:50-15:55

1 stop15h 05m

San Francisco

Tue 5/5

19:30-13:55

Nonstop10h 25m

£472

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 3/5

13:00-16:10

Nonstop11h 10m

San Francisco

Sun 10/5

16:35-11:10

Nonstop10h 35m

£482

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13 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 £355). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £437). 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 25 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.

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 25 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
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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
902 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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
685 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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
9,476 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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
7,867 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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
7,818 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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?

    SWISS, United Airlines, and Lufthansa can get you from London Heathrow Airport to Fremont in just under 14h 30m. Your travel time can differ by up to 3h 45m. 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 £271. WestJet flights start at £301 while deals on Scandinavian Airlines start at £304 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 (93%), Air France (93%), Delta (93%).

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

    On average you can expect to pay £2,055 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 £366.

  • 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 £355). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £437). 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

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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£321Average£586FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£336Average£466FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£339Average£548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£351Average£504FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
SWISSCheapest£352Average£429FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£359Average£550FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£361Average£454FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£368Average£532FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£373Average£488FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Virgin AtlanticCheapest£377Average£512FlexibilityNo 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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