How long is the flight from London Heathrow Airport to Fremont?

United Airlines, KLM, and SWISS can get you from London Heathrow Airport to Fremont in just under 13h 15m. Your travel time can differ by up to 4h 43m. 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 £274. Virgin Atlantic flights start at £326 while deals on Iberia start at £328 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 £1,260 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £430 while the most popular route, (London Heathrow - San Francisco) is currently priced at £413.

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 (89%), Austrian Airlines (89%), United Airlines (89%).

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.

£451+ 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 £618 and £445 in June. The cheapest return flight price found within the last 3 days was £536 on Virgin Atlantic (30 Jun-7 Jul).

Cheapflights Tip: The best prices from London Heathrow to Fremont are usually found in February or September, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 7 June 2026.

Tue 25/811:30

LHR

SFO

2 stops18h 29m

Delta

Thu 3/907:53

SFO

LHR

1 stop21h 22m

Delta

Deal found 4/6£537

Sun 23/810:35

LHR

SFO

Nonstop11h 00m

United Airlines

Fri 4/912:29

SFO

LHR

1 stop13h 41m

United Airlines

Deal found 4/6£537

Mon 2/1113:25

LHR

SFO

2 stops17h 32m

Air Canada

Tue 10/1117:35

SFO

LHR

1 stop34h 15m

Air Canada

Deal found 4/6£538

Thu 8/1010:45

LHR

SFO

Nonstop11h 05m

Finnair

Tue 13/1008:49

SFO

LHR

1 stop16h 11m

Finnair

Deal found 4/6£539

Sun 4/1008:20

LHR

SFO

1 stop20h 56m

Finnair

Mon 9/1120:40

SFO

LHR

Nonstop10h 30m

Finnair

Deal found 7/6£540

Sat 3/1010:45

LHR

SFO

Nonstop11h 05m

American Airlines

Tue 3/1117:30

SFO

LHR

Nonstop10h 30m

American Airlines

Deal found 7/6£540

Fri 26/606:50

LHR

SFO

2 stops23h 01m

Air Canada

Fri 3/723:38

SFO

LHR

1 stop26h 22m

Air Canada

Deal found 6/6£541

Sun 11/1011:40

LHR

SFO

1 stop17h 15m

American Airlines

Sat 17/1019:30

SFO

LHR

Nonstop10h 25m

American Airlines

Deal found 5/6£542

Sun 13/909:30

LHR

SFO

1 stop19h 17m

Air Canada

Fri 2/1008:10

SFO

LHR

1 stop14h 20m

Air Canada

Deal found 5/6£543

Sun 4/1008:20

LHR

SFO

1 stop20h 56m

Finnair

Mon 12/1016:35

SFO

LHR

Nonstop10h 25m

Finnair

Deal found 4/6£543

Wed 5/812:25

LHR

SFO

1 stop16h 37m

Delta

Thu 27/806:20

SFO

LHR

1 stop25h 15m

Delta

Deal found 6/6£544

Mon 10/817:45

LHR

SFO

1 stop23h 51m

Delta

Thu 27/814:00

SFO

LHR

1 stop17h 35m

Delta

Deal found 5/6£545

Find flight deals from Heathrow to Fremont

Round-trip from	£536
One-way from	£451
Popular in	December
Cheapest in	February
Average price	£522

Virgin Atlantic
30/6-7/7
2 total stops
42h 27m total
London to Fremont

Search Deals

Iberia
18/10
2 total stops
21h 13m total
London to Fremont

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£9 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 June 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

Sat 4/7

09:30-19:40

2 stops18h 10m

San Francisco

Tue 7/7

07:00-05:55

1 stop14h 55m

£542

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 3/7

09:30-19:28

1 stop17h 58m

San Francisco

Thu 21/1

16:40-11:15

Nonstop10h 35m

£543

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 29/6

17:45-00:06

1 stop14h 21m

San Francisco

Mon 6/7

13:38-12:05

1 stop14h 27m

£579

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 27/7

14:05-20:51

1 stop14h 46m

San Francisco

Mon 3/8

07:05-11:35

1 stop20h 30m

£598

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 28/7

09:30-20:51

1 stop19h 21m

San Francisco

Mon 3/8

23:59-21:25

1 stop13h 26m

£598

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/6

13:00-16:00

Nonstop11h 00m

San Francisco

Tue 4/8

13:05-07:25

Nonstop10h 20m

£600

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 4/10

19:15-16:15

2 stops29h 00m

San Francisco

Sat 10/10

19:35-21:30

2 stops17h 55m

£618

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 17/10

10:45-13:50

Nonstop11h 05m

San Francisco

Sat 31/10

18:30-12:00

Nonstop10h 30m

£662

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 11/8

20:05-16:35

1 stop28h 30m

San Francisco

Wed 26/8

19:35-21:30

2 stops17h 55m

£676

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 16/7

10:35-13:35

Nonstop11h 00m

San Francisco

Wed 26/8

23:59-07:15

1 stop23h 16m

£683

Flights are sorted by cheapest return flights first.

Deals found on 4/6

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

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 (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 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

923 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

923 reviews

Austrian Airlines

7.6

Good

923 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

689 reviews

Austrian Airlines

7.6

Good

923 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

9,781 reviews

Austrian Airlines

7.6

Good

923 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

8,044 reviews

Austrian Airlines

7.6

Good

923 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

8,028 reviews

Austrian Airlines

7.6

Good

923 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?
United Airlines, KLM, and SWISS can get you from London Heathrow Airport to Fremont in just under 13h 15m. Your travel time can differ by up to 4h 43m. 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 £274. Virgin Atlantic flights start at £326 while deals on Iberia start at £328 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 (89%), Austrian Airlines (89%), United Airlines (89%).
What are the cheapest flights from London Heathrow Airport to Fremont?
On average you can expect to pay £1,260 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £430 while the most popular route, (London Heathrow - San Francisco) is currently priced at £413.
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

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Other flights from Heathrow

Popular flights

Top destinations

Alternative routes for Heathrow to Fremont

Heathrow to Los Angeles flights

Heathrow to San Francisco flights

Gatwick to Los Angeles flights

Heathrow to Las Vegas flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Gatwick to San Francisco flights

London City to San Francisco flights

Heathrow to Ontario flights

Stansted to San Francisco flights

Gatwick to Las Vegas flights

Luton to Los Angeles flights

London City to Las Vegas flights

Luton to San Francisco flights

Stansted to Las Vegas flights

Heathrow to Santa Ana flights

Heathrow to San Diego flights

Heathrow to San Jose flights

Heathrow to Oakland flights

Luton to Las Vegas flights

Gatwick to San Diego flights

Gatwick to Burbank flights

London City to San Diego flights

Gatwick to Oakland flights

Heathrow to Burbank flights

Stansted to San Diego flights

Gatwick to Ontario flights

Gatwick to San Jose flights

Southend to Los Angeles flights

Heathrow to Long Beach flights

Heathrow to Sacramento flights

London City to San Jose flights

Gatwick to Santa Ana flights

London City to Santa Ana flights

Gatwick to Sacramento flights

London City to Sacramento flights

Heathrow to Palm Springs flights

Heathrow to Santa Rosa flights

Stansted to San Jose flights

Heathrow to Reno flights

Gatwick to Tijuana flights

Southend to San Francisco flights

Southend to Las Vegas flights

London City to Ontario flights

Heathrow to Fresno flights

Stansted to Santa Ana flights

Gatwick to Reno flights

Heathrow to San Luis Obispo flights

London City to Tijuana flights

Southend to San Diego flights

Top 10 airlines flying from Heathrow to Fremont

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£323	Average£663	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest£337	Average£421	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	Cheapest£352	Average£431	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£355	Average£587	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£359	Average£491	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£362	Average£472	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	Cheapest£370	Average£549	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Brussels Airlines	Cheapest£374	Average£520	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£377	Average£505	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Virgin Atlantic	Cheapest£382	Average£543	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Fremont from £451

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 18/10. 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 7 June 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 7 June 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 7 June 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 7 June 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 7 June 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 7 June 2026.

Last-minute flights from Heathrow to FremontDiscover last-minute flight deals from Heathrow to Fremont. Data last updated 7 June 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Fremont. Data last updated 7 June 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 7 June 2026.

Search for one-way flight options from Heathrow to Fremont. Find affordable one-way fares based on user searches. Data last updated 7 June 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 7 June 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

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 7 June 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 7 June 2026.

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 7 June 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.

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

Book a non-stop flight to one of these other cities located in California.

Search flights from Heathrow to Fremont by cabin class

Find flights from Heathrow to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Fremont flights

Browse other Heathrow and Fremont flight options. Last updated on 7 June 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 7 June 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Fremont flights

Consider these flights travelling from Heathrow to Fremont.

Top 10 airlines flying from Heathrow to Fremont

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?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Fremont?

Can Cheapflights find flights from Heathrow to Fremont with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 7 June 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 7 June 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 7 June 2026.

Last-minute flights from Heathrow to Fremont
Discover last-minute flight deals from Heathrow to Fremont. Data last updated 7 June 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 7 June 2026.