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 £268. WestJet flights start at £298 while deals on Virgin Atlantic start at £322 one-way.

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Fremont when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

On average you can expect to pay £1,144 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £428 while the most popular route, (London Heathrow - San Francisco) is currently priced at £404.

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 most popular airlines that fly from London Heathrow Airport to Fremont?

Virgin Atlantic, British Airways and Lufthansa are the most popular airlines when flying from London Heathrow Airport to Fremont.

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.

£389+ Cheap Flights from London Heathrow Airport to Fremont

Q: How much does it cost for a return flight from London Heathrow Airport to Fremont?

Airfare is below average for this route at the moment. London Heathrow Airport to Fremont flights typically cost between £590 and £424 in May. The cheapest return flight price found within the last 3 days was £398 on Scandinavian Airlines (1 May-11 May).

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

Best

Direct

Last-minute

One-way

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 18 April 2026.

Fri 1/506:40

LHR

SFO

1 stop16h 00m

Scandinavian Airlines

Mon 11/516:45

SFO

LHR

1 stop15h 15m

Scandinavian Airlines

Deal found 14/4£398

Wed 29/417:45

LHR

SFO

1 stop13h 52m

Delta

Fri 8/517:37

SFO

LHR

1 stop13h 58m

Delta

Deal found 14/4£403

Thu 1/1014:30

LHR

SFO

Nonstop11h 10m

British Airways

Sat 10/1019:30

SFO

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£404

Tue 28/417:45

LHR

SFO

1 stop13h 52m

Delta

Sun 10/507:00

SFO

LHR

1 stop17h 50m

Delta

Deal found 14/4£408

Fri 1/516:20

LHR

SFO

1 stop17h 03m

Delta

Sat 9/513:35

SFO

LHR

1 stop18h 00m

Delta

Deal found 14/4£413

Tue 22/906:40

LHR

SFO

1 stop16h 00m

Scandinavian Airlines

Sat 26/916:45

SFO

LHR

1 stop17h 45m

Scandinavian Airlines

Deal found 16/4£415

Mon 1/606:40

LHR

SFO

1 stop16h 00m

Scandinavian Airlines

Wed 2/916:45

SFO

LHR

1 stop15h 15m

Scandinavian Airlines

Deal found 17/4£416

Wed 8/717:45

LHR

SFO

1 stop14h 13m

Delta

Fri 17/717:30

SFO

LHR

1 stop14h 05m

Delta

Deal found 14/4£420

Wed 24/612:25

LHR

SFO

1 stop16h 17m

Delta

Thu 6/813:38

SFO

LHR

1 stop17h 57m

Delta

Deal found 16/4£421

Fri 1/514:30

LHR

SFO

Nonstop11h 10m

British Airways

Mon 11/516:35

SFO

LHR

Nonstop10h 25m

British Airways

Deal found 14/4£422

Thu 1/1013:05

LHR

SFO

1 stop16h 42m

United Airlines

Tue 13/1019:55

SFO

LHR

Nonstop10h 15m

United Airlines

Deal found 17/4£423

Thu 4/606:00

LHR

SFO

1 stop18h 35m

TAP AIR PORTUGAL

Thu 3/916:30

SFO

LHR

1 stop17h 15m

TAP AIR PORTUGAL

Deal found 17/4£430

Find flight deals from Heathrow to Fremont

Round-trip from	£398
One-way from	£389
Popular in	December
Cheapest in	February
Average price	£489

Scandinavian Airlines
1/5-11/5
2 total stops
31h 15m total
London to Fremont

Search Deals

SWISS
5/10
2 total stops
17h 15m 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

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 17/9

19:50-14:40

2 stops26h 50m

San Francisco

Sun 20/9

16:45-16:25

2 stops15h 40m

£546

Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 28/4

18:30-21:25

Nonstop10h 55m

San Francisco

Tue 5/5

17:55-12:15

Nonstop10h 20m

£560

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 10/5

12:45-15:45

Nonstop11h 00m

San Francisco

Tue 2/6

11:55-10:15

1 stop14h 20m

£562

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 18/5

06:30-11:45

1 stop13h 15m

San Francisco

Mon 25/5

18:20-15:00

1 stop12h 40m

£562

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

06:30-11:45

1 stop13h 15m

San Francisco

Mon 7/9

23:15-17:30

Nonstop10h 15m

£565

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 13/8

06:30-11:45

1 stop13h 15m

San Francisco

Wed 19/8

15:00-13:05

1 stop14h 05m

£569

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 12/5

06:30-11:45

1 stop13h 15m

San Francisco

Sun 12/7

17:55-12:15

Nonstop10h 20m

£601

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 6/5

10:45-13:50

Nonstop11h 05m

San Francisco

Sun 10/5

13:40-12:45

1 stop15h 05m

£623

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 11/5

07:00-16:15

2 stops17h 15m

San Francisco

Wed 27/5

19:35-17:50

1 stop14h 15m

£655

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 29/5

06:30-11:45

1 stop13h 15m

San Francisco

Fri 5/6

23:55-06:20

1 stop22h 25m

£659

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 24 resultsSorted by cheapest first

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.

LHR-SFO

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

LHR-FR8

LHR-SFO

How far ahead should I book a flight from London Heathrow Airport to Fremont?

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 time of day to fly from LHR to FR8?

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

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 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

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

902 reviews

Austrian Airlines

7.6

Good

902 reviews

Check prices

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

902 reviews

Check prices

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

9,604 reviews

Austrian Airlines

7.6

Good

902 reviews

Check prices

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

7,930 reviews

Austrian Airlines

7.6

Good

902 reviews

Check prices

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

7,891 reviews

Austrian Airlines

7.6

Good

902 reviews

Check prices

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

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 £268. WestJet flights start at £298 while deals on Virgin Atlantic start at £322 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 £1,144 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £428 while the most popular route, (London Heathrow - San Francisco) is currently priced at £404.
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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Stansted to Santa Ana flights

Top 10 airlines flying from Heathrow to Fremont

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£318	Average£569	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest£333	Average£411	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£335	Average£547	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
SWISS	Cheapest£349	Average£425	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£350	Average£545	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£355	Average£518	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£357	Average£463	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	Cheapest£365	Average£527	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Brussels Airlines	Cheapest£369	Average£505	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Virgin Atlantic	Cheapest£373	Average£511	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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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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Cheap flights from London Heathrow Airport to Fremont from £389

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Fremont

Cheapest flights from Heathrow to FremontExplore 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 18 April 2026.

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 18 April 2026.

Best flights from Heathrow to FremontDiscover carefully curated flight deals from Heathrow to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2026.

Discover carefully curated flight deals from Heathrow to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2026.

Direct flights from Heathrow to FremontExplore direct flight options from Heathrow to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 April 2026.

Explore direct flight options from Heathrow to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 April 2026.

Last-minute flights from Heathrow to FremontDiscover last-minute flight deals from Heathrow to Fremont. Data last updated 18 April 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Fremont. Data last updated 18 April 2026 and is based on user searches.

One-way flights from Heathrow to FremontSearch for one-way flight options from Heathrow to Fremont. Find affordable one-way fares based on user searches. Data last updated 18 April 2026.

Search for one-way flight options from Heathrow to Fremont. Find affordable one-way fares based on user searches. Data last updated 18 April 2026.

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 18 April 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Fremont that are best for you.

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.

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 17 April 2026.

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 18 April 2026.

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 18 April 2026.

How much does it cost for a return flight from London Heathrow Airport to Fremont?

Reviews of airlines servicing Fremont

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.

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?

What are the cheapest airlines to fly from London Heathrow Airport to Fremont one-way?

What are the most reliable airlines from London Heathrow Airport to Fremont?

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

Can I find deals for flights from Heathrow to Fremont that include hotel bookings?

How can I find direct flights from Heathrow to Fremont?

Can I find deals for business class flights from Heathrow to Fremont?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Fremont

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Fremont by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

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Search flights from Heathrow to Fremont by cabin class

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Heathrow and Fremont flights

Browse other Heathrow and Fremont flight options. Last updated on 18 April 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 April 2026.

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Heathrow to Fremont flights

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Top 10 airlines flying from Heathrow to Fremont

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Can Cheapflights notify me if prices for flights from Heathrow to Fremont become cheaper?

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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 18 April 2026.

Best flights from Heathrow to Fremont
Discover carefully curated flight deals from Heathrow to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2026.

Direct flights from Heathrow to Fremont
Explore direct flight options from Heathrow to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 April 2026.

Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 18 April 2026 and is based on user searches.

One-way flights from Heathrow to Fremont
Search for one-way flight options from Heathrow to Fremont. Find affordable one-way fares based on user searches. Data last updated 18 April 2026.