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San Jose

$445+ Cheap flights from London (LON) to San Jose, CA (SJC)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJC
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from London to San Jose with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from London to San Jose are usually found in February or September, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Find flight deals from London to San Jose

Cheapest flights from London to San Jose
Explore the most affordable flight options available from London to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:30 amLHR - SJC
2 stops20h 23mUnited Airlines
Wed 11/196:30 amSJC - LHR
2 stops16h 10mUnited Airlines
Deal found 10/29$648
This British Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:30 pmLHR - SJC
1 stop28h 47mBritish Airways
Fri 11/146:00 amSJC - LHR
1 stop16h 50mBritish Airways
Deal found 10/30$653
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:20 amLHR - SJC
1 stop20h 16mMultiple Airlines
Wed 1/76:00 amSJC - LHR
1 stop20h 00mMultiple Airlines
Deal found 10/30$656
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:05 amLHR - SJC
1 stop18h 44mAmerican Airlines
Fri 11/282:07 pmSJC - LHR
1 stop13h 33mAmerican Airlines
Deal found 10/29$657
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:55 pmLHR - SJC
1 stop25h 14mMultiple Airlines
Wed 11/2611:49 amSJC - LHR
1 stop15h 31mMultiple Airlines
Deal found 10/30$658
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:20 amLHR - SJC
1 stop20h 28mMultiple Airlines
Tue 11/186:00 amSJC - LHR
1 stop16h 50mMultiple Airlines
Deal found 10/29$661
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2211:55 amLHR - SJC
1 stop16h 54mFinnair
Tue 12/26:00 amSJC - LHR
1 stop16h 50mFinnair
Deal found 10/29$666
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:15 amLHR - SJC
2 stops18h 51mAmerican Airlines
Fri 11/1411:06 amSJC - LHR
1 stop13h 29mAmerican Airlines
Deal found 10/30$667
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:20 amLHR - SJC
1 stop20h 29mMultiple Airlines
Sun 11/912:22 pmSJC - LHR
1 stop34h 28mMultiple Airlines
Deal found 10/30$668
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 pmLHR - SJC
2 stops51h 32mUnited Airlines
Mon 12/88:45 amSJC - LHR
1 stop16h 55mUnited Airlines
Deal found 10/30$670
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 amLHR - SJC
2 stops22h 05mDelta
Fri 11/286:25 amSJC - LHR
1 stop17h 25mDelta
Deal found 10/28$676
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:10 pmLCY - SJC
3 stops34h 17mMultiple Airlines
Mon 12/88:45 amSJC - LCY
3 stops20h 10mMultiple Airlines
Deal found 10/30$708

Cheap flight deals from London to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$607
(TravelUp)

One-way from

$445
(oojo)

Popular in

July

Cheapest in

February

Average price

$670
Provider with most accurate pricing for London (LON)-San Jose flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-San Jose flights.
Search Deals
From London (LON) to San Jose
Search Deals
One-way flight from London (LON) to San Jose
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to San Jose 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from London to San Jose that are best for you.

Fly from

London

Fly to

San Jose

Route

Depart

Return

Price

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Thu 2/19

12:30 pm-1:22 pm

2 stops32h 52m

San Jose

Mon 2/23

7:20 pm-7:30 am

2 stops52h 10m

$614

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 2/20

8:40 am-9:06 pm

2 stops20h 26m

San Jose

Mon 2/23

5:45 am-10:00 am

1 stop20h 15m

$640

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 11/12

8:30 am-8:53 pm

2 stops20h 23m

San Jose

Wed 11/19

6:30 am-6:40 am

2 stops16h 10m

$648

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 12/15

8:20 am-8:36 pm

1 stop20h 16m

San Jose

Wed 1/7

6:00 am-10:00 am

1 stop20h 00m

$656

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 2/20

11:05 am-9:06 pm

1 stop18h 01m

San Jose

Mon 2/23

10:10 am-10:00 am

1 stop15h 50m

$657

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 1/6

9:40 am-10:55 pm

2 stops21h 15m

San Jose

Wed 6/24

11:33 am-9:00 am

1 stop13h 27m

$657

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Sat 3/28

1:00 pm-8:20 am

2 stops26h 20m

San Jose

Sun 4/12

10:10 am-8:55 am

2 stops14h 45m

$657

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 1/6

2:45 pm-10:07 pm

1 stop15h 22m

San Jose

Wed 6/24

9:05 am-10:30 am

1 stop17h 25m

$667

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 12/1

6:00 pm-1:32 pm

2 stops51h 32m

San Jose

Mon 12/8

8:45 am-9:40 am

1 stop16h 55m

$670

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 3/11

6:30 am-10:30 pm

2 stops23h 00m

San Jose

Thu 3/26

3:35 pm-6:40 am

2 stops32h 05m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 57 results
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Compare providers for flights from London to San Jose

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to San Jose in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-San Jose, California flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-San Jose, California flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London-San Jose, California flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-San Jose, California flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-San Jose, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from London with our price prediction graph.
Estimated round-trip 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 San Jose

How far ahead should I book a flight from London to San Jose, California?

Use this chart to determine the optimal time to book a round-trip flight from London to San Jose. Price data was last updated on October 24, 2025.

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to San Jose, California. 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 to San Jose, California?

Currently, December is the cheapest month in which you can book a flight from London to San Jose, California (average of $453). Flying from London to San Jose, California in July is currently the most expensive (average of $613). 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 SJC?

Find hourly flight availability from London to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from London to San Jose, California by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from London to San Jose, California?

Related info for your journey

Find useful and relevant information for your journey from London to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Jose from London?

    San Jose (SJC), located 2.9 mi from the city center, is the airport you fly into when you book flights from London to San Jose. 0 airlines have flights to San Jose from London on a regular basis. Booking flights from London to San Jose should not be difficult; the airport handles an average of 0 inbound flights from London per day.

  • How long is the flight from London to San Jose, California?

    For as low as $648, American Airlines can have you in San Jose, California from London in 20h 23m. London and San Jose, California are separated by a distance of 5352 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to San Jose, California one-way?

    The cheapest airlines for a one-way flight from London to San Jose, California are British Airways ($453), United Airlines ($457), and Finnair ($503).

  • What are the most popular routes from London to San Jose, California?

    Most travelers choose London Heathrow - San Jose, London Gatwick - San Jose or London City - San Jose when deciding on the best route from London to San Jose, California.

  • Can I find deals for flights from London to San Jose that include hotel bookings?

    Yes. In addition to deals on London to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to San Jose?

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

  • Can I find deals for business class flights from London to San Jose?

    Yes. Cheapflights offers flight deals from London to San Jose 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 San Jose, California?

    Currently, December is the cheapest month in which you can book a flight from London to San Jose, California (average of $453). Flying from London to San Jose, California in July is currently the most expensive (average of $613). 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

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