Cheap flights from London Heathrow Airport to Fremont from £436

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
19 Jun — 26 Jun1
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 74 days in advance, depart on a Wednesday or Thursday 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 20 May 2026.

Sat 5/912:45
LHR
-
SFO
Nonstop11h 00m
Delta
Sat 12/909:00
SFO
-
LHR
1 stop15h 50m
Delta
Deal found 17/5£497
Wed 2/908:40
LHR
-
SFO
2 stops19h 39m
Delta
Mon 7/906:00
SFO
-
LHR
1 stop16h 25m
Delta
Deal found 16/5£498
Thu 30/716:20
LHR
-
SFO
1 stop16h 33m
Multiple Airlines
Thu 13/817:55
SFO
-
LHR
Nonstop10h 20m
Multiple Airlines
Deal found 17/5£498
Wed 2/907:30
LHR
-
SFO
1 stop15h 45m
Lufthansa
Wed 16/912:24
SFO
-
LHR
1 stop15h 11m
Lufthansa
Deal found 18/5£499
Wed 2/909:55
LHR
-
SFO
1 stop33h 50m
Virgin Atlantic
Sat 19/923:15
SFO
-
LHR
Nonstop10h 15m
Virgin Atlantic
Deal found 15/5£501
Wed 2/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Wed 16/916:35
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 15/5£501
Wed 29/706:45
LHR
-
SFO
2 stops26h 14m
British Airways
Wed 12/816:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/5£502
Sat 5/918:30
LHR
-
SFO
Nonstop10h 55m
KLM
Sat 12/917:55
SFO
-
LHR
Nonstop10h 20m
KLM
Deal found 17/5£503
Fri 21/806:30
LHR
-
SFO
1 stop13h 15m
Virgin Atlantic
Mon 14/917:55
SFO
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 16/5£504
Tue 22/908:45
LHR
-
SFO
1 stop15h 30m
SWISS
Tue 29/919:35
SFO
-
LHR
1 stop14h 15m
SWISS
Deal found 18/5£504
Wed 2/906:30
LHR
-
SFO
1 stop13h 15m
Delta
Sat 19/913:05
SFO
-
LHR
1 stop15h 05m
Delta
Deal found 15/5£505

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 20 May 2026.

Round-trip from

£497

One-way from

£436

Popular in

December

Cheapest in

February

Average price

£563
Delta
  • Delta
  • 5/9-12/9
  • 1 total stop
  • 26h 50m total
  • London to Fremont
29/5
  • 29/5
  • 2 total stops
  • 25h 00m total
  • London to Fremont
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 20 May 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

Fri 17/7

17:45-09:38

1 stop23h 53m

San Francisco

Mon 27/7

12:20-10:40

1 stop14h 20m

£518

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 22/8

12:45-15:45

Nonstop11h 00m

San Francisco

Thu 17/9

23:15-17:30

Nonstop10h 15m

£523
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 12/9

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 19/9

23:15-17:30

Nonstop10h 15m

£527

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 25/8

12:45-15:45

Nonstop11h 00m

San Francisco

Fri 11/9

23:15-17:30

Nonstop10h 15m

£577

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 19/6

06:30-11:45

1 stop13h 15m

San Francisco

Sat 27/6

05:50-10:00

1 stop20h 10m

£579

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/6

16:20-00:59

1 stop16h 39m

San Francisco

Thu 9/7

17:55-12:15

Nonstop10h 20m

£583

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 20/6

12:25-21:00

1 stop16h 35m

San Francisco

Sat 27/6

05:50-10:00

1 stop20h 10m

£630

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 29/6

08:40-16:35

1 stop15h 55m

San Francisco

Mon 6/7

16:50-11:10

Nonstop10h 20m

£648

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 30/6

10:35-13:35

Nonstop11h 00m

San Francisco

Tue 25/8

19:50-14:10

Nonstop10h 20m

£651

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/7

15:15-23:59

1 stop16h 44m

San Francisco

Sat 1/8

15:38-14:25

1 stop14h 47m

£653

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 23 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

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 20 May 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 20 May 2026.

The most flights from LHR to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (17 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 20 May 2026.
Get a feel of what it's like to fly with Austrian Airlines,United Airlines, andVirgin Atlantic 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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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.

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

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

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?

    Delta, Virgin Atlantic, and KLM can get you from London Heathrow Airport to Fremont in just under 11h. Your travel time can differ by up to 12h 53m. 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 £273. Virgin Atlantic flights start at £325 while deals on Iberia start at £326 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 (88%), Austrian Airlines (88%), United Airlines (88%).

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

    On average you can expect to pay £1,217 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £449 while the most popular route, (London Heathrow - San Francisco) is currently priced at £448.

  • 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

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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.

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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£321Average£670FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£336Average£419FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£352Average£429FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£353Average£566FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£355Average£481FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£360Average£469FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£368Average£539FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£372Average£510FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£376Average£496FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£377Average£532FlexibilityNo 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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