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Cheap flights from London Heathrow Airport to Fremont from £400

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Fremont are usually found in February or November, booked 83 days in advance, depart on a Tuesday or Friday 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 30 April 2025.

Round-trip from

£400

Popular in

July

Cheapest in

February

Average price

£474
Lufthansa
  • Lufthansa
  • 14/5-23/5
  • 1 total stop
  • 25h 55m total
  • London to Fremont
Highest demand for flights based on searches. 19% potential increase in price (£91 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 30 April 2025.

Wed 26/1106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 29/4£400
Tue 6/507:25LHR - SFO
1 stop15h 10mMultiple Airlines
Wed 14/511:25SFO - LHR
1 stop14h 35mMultiple Airlines
Deal found 29/4£401
Thu 8/507:25LHR - SFO
1 stop15h 10mLufthansa
Mon 19/515:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 29/4£403
Thu 8/508:40LHR - SFO
2 stops19h 30mAir Canada
Wed 21/514:15SFO - LHR
1 stop13h 35mAir Canada
Deal found 29/4£406
Sat 10/506:00LHR - SFO
1 stop18h 25mSWISS
Sat 17/516:10SFO - LHR
2 stops17h 40mSWISS
Deal found 29/4£410
Mon 6/1007:05LHR - SFO
2 stops17h 25mScandinavian Airlines
Mon 13/1019:40SFO - LHR
2 stops17h 40mScandinavian Airlines
Deal found 29/4£413
Tue 6/511:15LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 13/516:05SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 29/4£414
Thu 8/506:30LHR - SFO
1 stop14h 10mUnited Airlines
Wed 21/514:15SFO - LHR
1 stop13h 35mUnited Airlines
Deal found 29/4£418
Mon 5/507:40LHR - SFO
1 stop16h 15mBritish Airways
Mon 12/519:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 29/4£422
Thu 8/512:20LHR - SFO
Nonstop11h 05mAustrian Airlines
Wed 21/512:55SFO - LHR
Nonstop10h 30mAustrian Airlines
Deal found 29/4£434
Thu 8/506:30LHR - SFO
1 stop13h 15mDelta
Wed 21/509:51SFO - LHR
1 stop15h 59mDelta
Deal found 28/4£438
Thu 25/910:20LHR - SFO
2 stops19h 37mFinnair
Sun 5/1009:37SFO - LHR
1 stop14h 23mFinnair
Deal found 29/4£441

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 30 April 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

Wed 1/10

07:05-16:30

2 stops17h 25m

San Francisco

Wed 8/10

19:40-17:40

1 stop14h 00m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 14/5

09:00-19:00

1 stop18h 00m

San Francisco

Tue 20/5

19:30-17:50

1 stop14h 20m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 10/5

09:00-19:00

1 stop18h 00m

San Francisco

Sat 17/5

15:55-10:25

Nonstop10h 30m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 9/5

08:40-20:10

2 stops19h 30m

San Francisco

Sun 18/5

08:15-06:30

1 stop14h 15m

£409

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 10/5

06:00-16:25

1 stop18h 25m

San Francisco

Sat 17/5

16:10-17:50

2 stops17h 40m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 6/9

09:00-19:00

1 stop18h 00m

San Francisco

Mon 15/9

11:50-06:30

1 stop34h 40m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 8/9

10:20-21:57

2 stops19h 37m

San Francisco

Mon 15/9

19:20-19:45

2 stops16h 25m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 11/5

16:25-19:30

Nonstop11h 05m

San Francisco

Tue 20/5

21:20-15:40

Nonstop10h 20m

£421

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 14/5

14:15-17:15

Nonstop11h 00m

San Francisco

Tue 20/5

19:30-13:55

Nonstop10h 25m

£423

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/10

06:00-14:30

1 stop16h 30m

San Francisco

Thu 16/10

16:20-17:45

1 stop17h 25m

£424

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 27 results
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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 25 April 2025.

Booking 83 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 30 April 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 30 April 2025.

The most flights from LHR to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in Fremont by month

Plan your trip to Fremont by taking into account the average rainfall totals by month.

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.

Temperature in Fremont by month

Plan your trip to Fremont by taking into account the average temperature totals by month.

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).

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 30 April 2025.
To help decide which airline to fly from London to Fremont, see what other customers have to say about Delta, Air New Zealand and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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
8.0
Very Good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

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 Lufthansa, which is currently one of the cheapest options available, starting at £444. Brussels Airlines flights start at £444 while deals on British Airways start at £447 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 (92%), Austrian Airlines (92%), United Airlines (92%).

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

    On average you can expect to pay £1,489 for a flight from London Heathrow Airport to Fremont. The cheapest flight overall is £409 while the most popular route, (London Heathrow - San Francisco) is currently priced at £377.

  • 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.

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£238Average£463FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£279Average£464FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£316Average£412FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£347Average£476FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£355Average£578FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£360Average£519FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£367Average£593FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£368Average£573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest£371Average£492FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£372Average£484FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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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