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Cheap flights from London Heathrow Airport to Fremont from £374

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
6 jul — 13 jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Fremont are usually found in February or November, booked 82 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Fremont

Keep the following information in mind while searching for Heathrow to Fremont flight deals. Data was last updated 1 julho 2025.

Round-trip from

£390

One-way from

£374

Popular in

August

Cheapest in

February

Average price

£664
SWISS
  • SWISS
  • 24/8-9/9
  • 2 total stops
  • 32h 30m total
  • London to Fremont
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 11/12
  • 1 total stop
  • 15h 55m total
  • London to Fremont
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Heathrow to Fremont

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 1 julho 2025.

dom 24/806:00LHR - SFO
1 stop18h 10mSWISS
ter 9/919:30SFO - LHR
1 stop14h 20mSWISS
Deal found 30/6£390
qua 3/907:25LHR - SFO
1 stop19h 35mLufthansa
ter 23/920:52SFO - LHR
2 stops25h 03mLufthansa
Deal found 30/6£391
qua 8/1008:40LHR - SFO
1 stop15h 55mUnited Airlines
qua 5/1112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 30/6£392
sáb 23/816:55LHR - SFO
1 stop14h 12mBritish Airways
qui 11/916:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 29/6£393
dom 24/806:00LHR - SFO
1 stop18h 10mMultiple Airlines
ter 9/913:05SFO - LHR
Nonstop10h 20mMultiple Airlines
Deal found 30/6£396
ter 25/1108:55LHR - SFO
2 stops19h 55mAir Canada
ter 2/1208:40SFO - LHR
2 stops18h 40mAir Canada
Deal found 28/6£402
sex 29/816:15LHR - SFO
Nonstop10h 55mBrussels Airlines
sex 12/913:05SFO - LHR
Nonstop10h 20mBrussels Airlines
Deal found 29/6£407
seg 8/919:50LHR - SFO
2 stops28h 55mTAP AIR PORTUGAL
seg 22/916:20SFO - LHR
1 stop21h 40mTAP AIR PORTUGAL
Deal found 29/6£412
seg 1/916:25LHR - SFO
Nonstop11h 05mVirgin Atlantic
sáb 13/1222:20SFO - LHR
Nonstop11h 25mVirgin Atlantic
Deal found 29/6£416
sex 29/815:05LHR - SFO
2 stops35h 55mAustrian Airlines
sáb 27/907:00SFO - LHR
1 stop15h 45mAustrian Airlines
Deal found 30/6£421
sáb 30/806:30LHR - SFO
1 stop13h 15mDelta
dom 28/921:20SFO - LHR
Nonstop10h 20mDelta
Deal found 30/6£422

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 1 julho 2025.
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

dom 24/8

06:00-16:10

1 stop18h 10m

San Francisco

ter 9/9

19:30-17:50

1 stop14h 20m

£390

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

qua 3/9

07:25-19:00

1 stop19h 35m

San Francisco

ter 23/9

20:52-05:55

2 stops25h 03m

£391

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

qua 8/10

08:40-16:35

1 stop15h 55m

San Francisco

qua 5/11

12:50-07:25

Nonstop10h 35m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sáb 23/8

16:55-23:07

1 stop14h 12m

San Francisco

qui 11/9

16:30-10:55

Nonstop10h 25m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

dom 24/8

06:00-16:10

1 stop18h 10m

San Francisco

ter 9/9

13:05-07:25

Nonstop10h 20m

£396

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

ter 25/11

08:55-20:50

2 stops19h 55m

San Francisco

ter 2/12

08:40-11:20

2 stops18h 40m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

sex 29/8

16:15-19:10

Nonstop10h 55m

San Francisco

sex 12/9

13:05-07:25

Nonstop10h 20m

£407

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

seg 15/9

12:20-15:25

Nonstop11h 05m

San Francisco

seg 29/9

19:50-14:10

Nonstop10h 20m

£409

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

seg 8/9

19:50-16:45

2 stops28h 55m

San Francisco

seg 22/9

16:20-22:00

1 stop21h 40m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

seg 1/9

16:25-19:30

Nonstop11h 05m

San Francisco

sáb 13/12

22:20-17:45

Nonstop11h 25m

£416

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 17 results
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 27 June 2025.

Booking 82 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 £538). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £803). 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 1 julho 2025.

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.

What is the cheapest day to fly from London Heathrow Airport to Fremont?

Use this chart to determine the cheapest time to fly return from Heathrow to Fremont. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Fremont flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 1 julho 2025.

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 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 1 julho 2025.
Get a feel of what it's like to fly with Delta, Austrian Airlines, andSWISS 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.
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,973 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
807 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at £374. Aer Lingus flights start at £376 while deals on Iberia start at £383 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 £1,908 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £369 while the most popular route, (London Heathrow - San Francisco) is currently priced at £343.

  • 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 £538). Flying from London Heathrow Airport to Fremont in July is currently the most expensive (average of £803). 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

Browse thousands of different options on Cheapflights for your next trip

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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 1 julho 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£233Average£476FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£309Average£421FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£340Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£344Average£379FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£344Average£568FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£350Average£558FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£353Average£517FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£357Average£595FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£357Average£475FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£360Average£449FlexibilityNo cancel feeOn-time75%
Search KLM 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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