How long is the flight from London to Fremont?

For as low as £384, United Airlines can have you in Fremont from London in 19h 15m. London and Fremont are separated by a distance of 5350 mi. This flight may include one or multiple stops.

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

The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £336. However, be on the lookout for offers from JetBlue and British Airways, as they are both options that can get you from London to Fremont for a low price.

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 most popular routes from London to Fremont?

The most popular route from London to Fremont is London Heathrow - San Francisco. You may also consider London Gatwick - San Francisco or London City - San Francisco.

What are the cheapest flights from London to Fremont?

Looking at all options, your cheapest flight can be booked for £373. While the most popular route (London Heathrow - San Francisco) can be booked for £344 on average, our data indicates £1,777 when flying from London to Fremont.

What are the most reliable airlines from London 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 to Fremont on time: KLM (86%), Air France (86%), Delta (86%).

What are the most popular airlines that fly from London to Fremont?

Before booking your flight from London to Fremont check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

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

Yes. In addition to deals on London to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Fremont?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Fremont.

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

Yes. Cheapflights offers flight deals from London 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.

£336+ Cheap Flights from London to Fremont

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

Airfare is below average for this route at the moment. London to Fremont flights typically cost between £389 and £470 in October. The cheapest return flight price found within the last 3 days was £383 on SWISS (2 Oct-29 Oct).

Cheapflights Tip: The best prices from London to Fremont are usually found in February or September, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from London to Fremont

Round-trip from	£383
One-way from	£336
Popular in	July
Cheapest in	February
Average price	£422

SWISS
2/10-29/10
2 total stops
33h 45m total
London to Fremont

Search Deals

Aer Lingus
23/9
1 total stop
26h 45m total
London to Fremont

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from London to Fremont

Cheapest flights from London to Fremont
Explore the most affordable flight options available from London to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 2/1008:40LHR - SFO

1 stop15h 30mSWISS

Wed 29/1020:25SFO - LHR

1 stop18h 15mSWISS

Deal found 16/9£383

Wed 1/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Wed 8/1013:25SFO - LHR

1 stop13h 45mUnited Airlines

Deal found 16/9£383

Thu 25/908:40LHR - SFO

1 stop15h 30mSWISS

Wed 8/1019:30SFO - LHR

2 stops28h 45mSWISS

Deal found 16/9£385

Sun 21/906:00LHR - SFO

1 stop18h 35mMultiple Airlines

Sat 13/1208:25SFO - LHR

1 stop14h 15mMultiple Airlines

Deal found 16/9£386

Thu 25/908:30LHR - SFO

2 stops19h 21mAir Canada

Wed 8/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£386

Wed 24/912:20LGW - SFO

2 stops18h 55mMultiple Airlines

Wed 1/1007:00SFO - LGW

1 stop19h 40mMultiple Airlines

Deal found 16/9£386

Wed 24/906:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£387

Tue 18/1118:40LGW - SFO

1 stop29h 50mSWISS

Tue 2/1219:25SFO - LGW

1 stop14h 25mSWISS

Deal found 15/9£387

Tue 7/1006:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£388

Tue 25/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Tue 2/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 15/9£389

Wed 1/1009:30LHR - SFO

1 stop18h 21mAir Canada

Tue 7/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£389

Wed 24/911:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 29/916:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£390

Best flights from London to Fremont
Discover carefully curated flight deals from London to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sat 4/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Sat 11/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 16/9£384

Thu 5/317:45LCY - SFO

1 stop30h 45mSWISS

Mon 9/320:25SFO - LCY

1 stop13h 40mSWISS

Deal found 15/9£386

Sun 15/206:30LHR - SFO

1 stop13h 20mDelta

Fri 6/316:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£394

Wed 8/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Wed 15/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 16/9£394

Wed 1/1017:10LCY - SFO

1 stop26h 35mVirgin Atlantic

Sat 28/213:55SFO - LCY

1 stop15h 20mVirgin Atlantic

Deal found 17/9£422

Thu 30/1009:00STN - SFO

2 stops34h 50mMultiple Airlines

Thu 6/1113:55SFO - STN

2 stops19h 35mMultiple Airlines

Deal found 15/9£423

Mon 20/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Sat 25/1019:35SFO - LGW

1 stop31h 15mTAP AIR PORTUGAL

Deal found 16/9£458

Sat 1/1111:40LGW - SFO

1 stop33h 00mAir Transat

Tue 18/1113:40SFO - LGW

1 stop36h 05mAir Transat

Deal found 15/9£527

Wed 5/1110:05LHR - SFO

Nonstop11h 15mUnited Airlines

Sat 15/1112:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 15/9£392

Sat 4/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Sat 11/1013:02SFO - LHR

1 stop13h 38mLufthansa

Deal found 16/9£394

Tue 17/209:15LCY - SFO

1 stop15h 15mSWISS

Tue 24/219:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Sat 4/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Mon 13/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Thu 30/1010:00LCY - SFO

2 stops19h 35mVirgin Atlantic

Thu 6/1113:55SFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 15/9£433

Thu 5/307:45LCY - SFO

1 stop36h 05mDelta

Mon 9/307:00SFO - LCY

2 stops26h 35mDelta

Deal found 14/9£436

Fri 21/1115:15STN - SFO

3 stops31h 20mMultiple Airlines

Mon 24/1116:40SFO - STN

2 stops20h 40mMultiple Airlines

Deal found 14/9£440

Mon 16/319:10LCY - SFO

1 stop29h 20mSWISS

Mon 23/320:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Fri 12/1216:40LGW - SFO

1 stop30h 05mTAP AIR PORTUGAL

Sat 27/1216:35SFO - LGW

2 stops20h 05mTAP AIR PORTUGAL

Deal found 16/9£459

Sun 28/910:35LHR - SFO

Nonstop11h 05mUnited Airlines

Sun 5/1019:50SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Wed 4/209:50LCY - SFO

1 stop14h 05mLufthansa

Wed 18/214:40SFO - LCY

1 stop19h 00mLufthansa

Deal found 17/9£433

Thu 30/1007:45LCY - SFO

2 stops21h 50mVirgin Atlantic

Mon 3/1113:55SFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 16/9£434

Sat 8/1121:10STN - SFO

2 stops30h 25mMultiple Airlines

Sat 15/1114:40SFO - STN

2 stops21h 25mMultiple Airlines

Deal found 15/9£449

Fri 3/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Sun 12/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Wed 4/209:35LGW - SFO

2 stops62h 30mTAP AIR PORTUGAL

Wed 18/216:35SFO - LGW

1 stop33h 15mTAP AIR PORTUGAL

Deal found 17/9£474

Wed 8/1010:00LCY - SFO

2 stops17h 30mVirgin Atlantic

Mon 13/1013:45SFO - LCY

1 stop20h 45mVirgin Atlantic

Deal found 15/9£442

Tue 7/1014:20STN - SFO

2 stops33h 50mMultiple Airlines

Tue 14/1008:30SFO - STN

2 stops25h 25mMultiple Airlines

Deal found 15/9£450

Tue 17/218:40LGW - SFO

1 stop29h 50mSWISS

Tue 24/219:25SFO - LGW

1 stop14h 25mSWISS

Deal found 16/9£460

Thu 9/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Sun 12/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Mon 24/1121:25LGW - SFO

2 stops49h 05mTAP AIR PORTUGAL

Mon 8/1216:35SFO - LGW

2 stops20h 00mTAP AIR PORTUGAL

Deal found 15/9£495

Thu 20/1114:10LTN - SFO

2 stops32h 25mMultiple Airlines

Sun 23/1116:40SFO - LTN

2 stops21h 20mMultiple Airlines

Deal found 14/9£461

Mon 16/210:05LHR - SFO

Nonstop11h 15mUnited Airlines

Fri 6/312:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 16/9£393

Direct flights from London to Fremont
Explore direct flight options from London to Fremont based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Thu 2/1016:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sun 12/1016:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£383

Tue 30/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 14/1016:30SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 16/9£384

Fri 6/211:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Tue 10/216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 16/9£385

Tue 24/210:05LHR - SFO

Nonstop11h 15mMultiple Airlines

Sun 1/312:50SFO - LHR

Nonstop10h 35mMultiple Airlines

Deal found 15/9£386

Wed 28/111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 9/216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 15/9£387

Tue 7/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Thu 16/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 16/9£388

Tue 25/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Tue 2/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 15/9£389

Thu 2/1016:15LHR - SFO

Nonstop11h 05mUnited Airlines

Wed 15/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 16/9£389

Sat 27/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sat 11/1021:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£391

Fri 3/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Tue 7/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Sat 27/910:35LHR - SFO

Nonstop11h 05mUnited Airlines

Tue 4/1112:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 16/9£392

Tue 30/912:20LHR - SFO

Nonstop11h 05mAustrian Airlines

Tue 7/1013:05SFO - LHR

Nonstop10h 20mAustrian Airlines

Deal found 15/9£393

Last-minute flights from London to Fremont
Discover last-minute flight deals from London to Fremont. Data last updated 17 September 2025 and is based on user searches.

Sun 21/906:00LHR - SFO

1 stop18h 35mMultiple Airlines

Sun 14/1208:25SFO - LHR

1 stop14h 15mMultiple Airlines

Deal found 16/9£386

Mon 22/908:30LHR - SFO

1 stop15h 30mUnited Airlines

Sun 5/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 15/9£389

Wed 24/912:20LGW - SFO

2 stops18h 55mMultiple Airlines

Wed 1/1007:00SFO - LGW

1 stop19h 40mMultiple Airlines

Deal found 16/9£386

Wed 24/906:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£387

Wed 24/911:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 29/916:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£390

Thu 25/908:40LHR - SFO

1 stop15h 30mSWISS

Wed 8/1019:30SFO - LHR

2 stops28h 45mSWISS

Deal found 16/9£385

Thu 25/908:30LHR - SFO

2 stops19h 21mAir Canada

Wed 8/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£386

Wed 1/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Wed 8/1013:25SFO - LHR

1 stop13h 45mUnited Airlines

Deal found 16/9£383

Wed 1/1009:30LHR - SFO

1 stop18h 21mAir Canada

Tue 7/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£389

Thu 2/1008:40LHR - SFO

1 stop15h 30mSWISS

Wed 29/1020:25SFO - LHR

1 stop18h 15mSWISS

Deal found 16/9£383

Fri 3/1011:30LHR - SFO

1 stop14h 45mDelta

Mon 13/1016:05SFO - LHR

Nonstop10h 20mDelta

Deal found 15/9£391

Tue 7/1006:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£388

One-way flights from London to Fremont
Search for one-way flight options from London to Fremont. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Tue 23/921:10LHR - SFO

1 stop26h 45mAer Lingus

Deal found 16/9£336

Mon 29/916:25LGW - SFO

2 stops29h 10mMultiple Airlines

Deal found 15/9£336

Tue 3/209:20LCY - SFO

2 stops21h 27mVirgin Atlantic

Deal found 16/9£336

Tue 28/1021:55LTN - SFO

3 stops31h 32mMultiple Airlines

Deal found 16/9£337

Thu 6/1118:45LHR - SFO

2 stops29h 20mMultiple Airlines

Deal found 15/9£337

Fri 7/1113:00LGW - SFO

1 stop19h 06mMultiple Airlines

Deal found 16/9£337

Mon 22/914:15STN - SFO

2 stops31h 20mMultiple Airlines

Deal found 16/9£337

Fri 17/1010:45LGW - SFO

3 stops32h 10mMultiple Airlines

Deal found 17/9£338

Mon 15/1208:25LHR - SFO

2 stops23h 00mAmerican Airlines

Deal found 16/9£339

Fri 20/213:00LGW - SFO

1 stop32h 10mMultiple Airlines

Deal found 16/9£339

Wed 24/920:50LHR - SFO

2 stops25h 40mMultiple Airlines

Deal found 15/9£339

Fri 10/1010:55LGW - SFO

1 stop21h 24mMultiple Airlines

Deal found 15/9£339

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

06:30-17:45

2 stops19h 15m

San Francisco

Sat 11/10

11:40-09:35

1 stop13h 55m

£384

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Thu 5/3

17:45-16:30

1 stop30h 45m

San Francisco

Mon 9/3

20:25-17:05

1 stop13h 40m

£386

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/11

10:05-13:20

Nonstop11h 15m

San Francisco

Sat 15/11

12:50-07:25

Nonstop10h 35m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

10:35-13:40

Nonstop11h 05m

San Francisco

Mon 13/10

13:05-07:25

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 28/9

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 5/10

19:50-14:10

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 3/10

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 12/10

13:05-07:25

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/10

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 12/10

13:05-07:25

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 16/2

10:05-13:20

Nonstop11h 15m

San Francisco

Fri 6/3

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 15/2

06:30-11:50

1 stop13h 20m

San Francisco

Fri 6/3

16:30-10:40

Nonstop10h 10m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/10

16:15-19:20

Nonstop11h 05m

San Francisco

Wed 15/10

13:05-07:25

Nonstop10h 20m

£394

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

Best time to book a flight from London to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from London 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 to Fremont

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

The price you pay for your flight from London to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Fremont?

Currently, February is the cheapest month in which you can book a flight from London to Fremont (average of £538). Flying from London 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 LON to FR8?

When flying from London 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 to Fremont?

Travellers seeking maximum savings on their London to Fremont flight should consider departing on Tuesday 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 to Fremont

The most flights from LON 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).

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

Reviews of airlines servicing Fremont

See what other customers who have flown with KLM, United Airlines, andVirgin Atlantic from London to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,924 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from London to Fremont?
For as low as £384, United Airlines can have you in Fremont from London in 19h 15m. London and Fremont are separated by a distance of 5350 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from London to Fremont one-way?
The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £336. However, be on the lookout for offers from JetBlue and British Airways, as they are both options that can get you from London to Fremont for a low price.
What are the most popular routes from London to Fremont?
The most popular route from London to Fremont is London Heathrow - San Francisco. You may also consider London Gatwick - San Francisco or London City - San Francisco.
What are the most reliable airlines from London 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 to Fremont on time: KLM (86%), Air France (86%), Delta (86%).
What are the cheapest flights from London to Fremont?
Looking at all options, your cheapest flight can be booked for £373. While the most popular route (London Heathrow - San Francisco) can be booked for £344 on average, our data indicates £1,777 when flying from London to Fremont.
Can I find deals for flights from London to Fremont that include hotel bookings?
Yes. In addition to deals on London to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Fremont?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Fremont.
Can I find deals for business class flights from London to Fremont?
Yes. Cheapflights offers flight deals from London 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 to Fremont?
Currently, February is the cheapest month in which you can book a flight from London to Fremont (average of £538). Flying from London 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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Top 10 airlines flying from London to Fremont

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£234	Average£483	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest£333	Average£554	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
TAP AIR PORTUGAL	Cheapest£345	Average£461	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£347	Average£432	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£348	Average£552	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£349	Average£540	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Brussels Airlines	Cheapest£353	Average£470	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Air Canada	Cheapest£354	Average£483	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£359	Average£498	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£362	Average£581	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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Deals for London 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.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Fremont.

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

Yes, Cheapflights offers price alerts on London to Fremont flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London to Fremont from £336

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Fremont are usually found in February or September, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from London to Fremont

Keep the following information in mind while searching for London to Fremont flight deals. Data was last updated 17 September 2025.

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Find flight deals from London to Fremont

Cheapest flights from London to FremontExplore the most affordable flight options available from London to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from London to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

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

Best time to book a flight from London to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from London with our price prediction graph.

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Everything you need to know about your flight from London to Fremont

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

Use this chart to determine the optimal time to book a return flight from London to Fremont. Price data was last updated on 12 September 2025.

What is the cheapest month to book a flight from London to Fremont?

What is the cheapest time of day to fly from LON to FR8?

Find hourly flight availability from London 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 17 September 2025.

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

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

Weekly flight availability from London to Fremont

Explore weekly flight availability from London 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 17 September 2025.

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

Reviews of airlines servicing Fremont

See what other customers who have flown with KLM, United Airlines, andVirgin Atlantic from London to Fremont have to say. You can also see how each airline compares 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 London to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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Alternative routes for London to Fremont

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Top 10 airlines flying from London to Fremont

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

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

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

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Cheapest flights from London to Fremont
Explore the most affordable flight options available from London to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.