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Cheap flights from London Heathrow Airport to Fremont from £364

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
11 mars — 18 mars1
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 23 days in advance, depart on a Thursday or Wednesday 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 9 février 2026.

ven. 1/507:30
LHR
-
SFO
1 stop20h 30m
United Airlines
lun. 18/512:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 8/2£370
mer. 14/1008:40
LHR
-
SFO
1 stop15h 35m
United Airlines
mar. 20/1016:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 7/2£371
sam. 14/213:30
LHR
-
SFO
1 stop34h 25m
United Airlines
lun. 30/316:35
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 6/2£372
lun. 9/313:30
LHR
-
SFO
1 stop14h 40m
Multiple Airlines
sam. 21/318:25
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 8/2£372
sam. 14/210:25
LHR
-
SFO
1 stop16h 54m
Lufthansa
sam. 7/312:50
SFO
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 7/2£373
jeu. 2/406:55
LHR
-
SFO
1 stop15h 35m
United Airlines
lun. 20/412:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 6/2£374
lun. 6/407:30
LHR
-
SFO
1 stop15h 55m
United Airlines
lun. 20/419:30
SFO
-
LHR
Nonstop10h 40m
United Airlines
Deal found 6/2£375
mar. 25/806:55
LHR
-
SFO
1 stop15h 25m
United Airlines
dim. 13/906:30
SFO
-
LHR
1 stop19h 10m
United Airlines
Deal found 8/2£375
mar. 21/413:30
LHR
-
SFO
1 stop14h 30m
Lufthansa
mer. 27/519:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 8/2£376
sam. 14/212:05
LHR
-
SFO
1 stop17h 17m
Lufthansa
sam. 14/316:00
SFO
-
LHR
1 stop14h 30m
Lufthansa
Deal found 7/2£377
mer. 8/408:40
LHR
-
SFO
1 stop15h 35m
United Airlines
mer. 15/411:15
SFO
-
LHR
1 stop15h 10m
United Airlines
Deal found 6/2£377
mer. 18/218:40
LHR
-
SFO
1 stop29h 50m
SWISS
mar. 24/219:25
SFO
-
LHR
2 stops18h 00m
SWISS
Deal found 6/2£378

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 9 février 2026.

Round-trip from

£369

One-way from

£364

Popular in

December

Cheapest in

February

Average price

£408
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 2/3-7/3
  • 2 total stops
  • 34h 55m total
  • London to Fremont
Search Deals
19/2
  • 19/2
  • 2 total stops
  • 37h 20m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 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 February 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 9 février 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Fremont that are best for you.

Fly from

Heathrow

Fly to

Fremont

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

ven. 1/5

07:30-20:00

1 stop20h 30m

San Francisco

lun. 18/5

12:50-07:25

Nonstop10h 35m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jeu. 7/5

08:40-16:15

1 stop15h 35m

San Francisco

dim. 24/5

13:00-07:25

Nonstop10h 25m

£372

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

lun. 20/4

06:55-14:30

1 stop15h 35m

San Francisco

mer. 27/5

19:45-14:10

Nonstop10h 25m

£375

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mar. 21/4

13:30-20:00

1 stop14h 30m

San Francisco

mer. 27/5

19:45-14:10

Nonstop10h 25m

£376

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sam. 16/5

08:45-16:15

1 stop15h 30m

San Francisco

sam. 30/5

06:15-12:20

1 stop22h 05m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sam. 14/3

13:45-18:00

Nonstop11h 15m

San Francisco

sam. 21/3

13:50-07:25

Nonstop10h 35m

£380

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jeu. 19/3

13:45-18:00

Nonstop11h 15m

San Francisco

mar. 31/3

12:50-07:25

Nonstop10h 35m

£380

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mer. 18/2

13:45-17:00

Nonstop11h 15m

San Francisco

mer. 25/2

17:25-12:00

Nonstop10h 35m

£380

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mer. 25/2

13:45-17:00

Nonstop11h 15m

San Francisco

mer. 18/3

13:50-07:25

Nonstop10h 35m

£381

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jeu. 26/2

10:05-13:20

Nonstop11h 15m

San Francisco

mer. 18/3

13:50-07:25

Nonstop10h 35m

£381

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 23 results
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 30 January 2026.

Booking 23 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 £347). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £438). 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 9 février 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 9 février 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).

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 9 février 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
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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
7.5
Good
896 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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
678 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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
9,256 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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
7,775 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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
7,720 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.3

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 and Lufthansa can get you from London Heathrow Airport to Fremont in just under 14h 30m. Your travel time can differ by up to 6h. 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 £267. WestJet flights start at £296 while deals on Scandinavian Airlines start at £299 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 (82%), Air France (82%), Delta (82%).

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

    On average you can expect to pay £1,940 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £338 while the most popular route, (London Heathrow - San Francisco) is currently priced at £311.

  • 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 £347). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £438). 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 9 février 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£234Average£563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£331Average£473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£333Average£559FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SWISSCheapest£346Average£402FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£347Average£547FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£353Average£527FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£354Average£451FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£362Average£514FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£367Average£467FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£367Average£477FlexibilityNo cancel feeOn-time76%
Search Finnair 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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