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San Jose

$431+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJC
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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

Cheap 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 December 21, 2025.

This Kissandfly.com deal was found by Cheapflights users on 12/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:05 amLHR - SJC
1 stop17h 59mKLM
Sun 1/112:06 pmSJC - LHR
1 stop13h 34mKLM
Deal found 12/19$788
This oojo deal was found by Cheapflights users on 12/21. 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.
Tue 12/3012:45 pmLHR - SJC
2 stops56h 26mBritish Airways
Thu 1/811:51 amSJC - LHR
1 stop15h 49mBritish Airways
Deal found 12/21$850
This Expedia deal was found by Cheapflights users on 12/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amLHR - SJC
1 stop19h 08mMultiple Airlines
Mon 1/58:00 pmSJC - LHR
2 stops18h 10mMultiple Airlines
Deal found 12/19$854
This oojo deal was found by Cheapflights users on 12/19. 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 12/297:15 pmLHR - SJC
2 stops33h 58mBritish Airways
Tue 1/132:32 pmSJC - LHR
1 stop13h 43mBritish Airways
Deal found 12/19$861
This Ovago deal was found by Cheapflights users on 12/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:05 amLHR - SJC
1 stop19h 08mBritish Airways
Tue 12/3010:53 amSJC - LHR
1 stop13h 42mBritish Airways
Deal found 12/18$892
This Ovago deal was found by Cheapflights users on 12/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - SJC
1 stop25h 33mMultiple Airlines
Mon 1/1211:51 amSJC - LHR
1 stop14h 09mMultiple Airlines
Deal found 12/19$968
This Delta deal was found by Cheapflights users on 12/21. 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.
Fri 12/2612:20 pmLHR - SJC
1 stop17h 32mDelta
Thu 1/82:30 pmSJC - LHR
1 stop13h 25mDelta
Deal found 12/21$1,038
This oojo deal was found by Cheapflights users on 12/19. 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.
Wed 12/244:30 pmLHR - SJC
1 stop28h 41mBritish Airways
Wed 12/3110:53 amSJC - LHR
1 stop16h 47mBritish Airways
Deal found 12/19$1,051
This Expedia deal was found by Cheapflights users on 12/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:30 pmLHR - SJC
2 stops38h 47mAir Canada
Mon 1/54:10 pmSJC - LHR
2 stops31h 00mAir Canada
Deal found 12/19$1,079
This Ovago deal was found by Cheapflights users on 12/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:35 amLHR - SJC
1 stop17h 41mLufthansa
Mon 1/510:30 pmSJC - LHR
1 stop23h 25mLufthansa
Deal found 12/19$1,112
This ChecknFly deal was found by Cheapflights users on 12/20. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:35 amLHR - SJC
1 stop17h 42mLufthansa
Mon 1/54:10 pmSJC - LHR
2 stops20h 25mLufthansa
Deal found 12/20$1,142
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/2411:35 amLHR - SJC
1 stop17h 41mUnited Airlines
Mon 1/510:30 pmSJC - LHR
2 stops27h 55mUnited Airlines
Deal found 12/19$1,166

Find 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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$635
(United Airlines)

One-way from

$431
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$818
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. 15% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 21, 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

LHR - SJC

LHRSJC

London Heathrow

Tue 2/3

7:30 am-8:56 pm

2 stops21h 26m

San Jose

Tue 2/10

8:40 am-7:55 am

2 stops15h 15m

$636

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 2/2

6:30 am-1:39 pm

2 stops39h 09m

San Jose

Mon 2/9

4:00 pm-9:40 am

1 stop33h 40m

$636

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 1/21

6:35 am-8:56 pm

2 stops22h 21m

San Jose

Sun 2/1

4:00 pm-8:35 pm

2 stops20h 35m

$644

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Sat 1/17

6:30 am-5:40 pm

2 stops19h 10m

San Jose

Sun 1/25

9:15 am-10:30 am

2 stops17h 15m

$652

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 2/9

3:00 pm-1:39 pm

2 stops30h 39m

San Jose

Wed 2/18

3:55 pm-11:50 am

2 stops35h 55m

$666

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 2/9

7:55 am-8:56 pm

2 stops21h 01m

San Jose

Thu 2/19

3:55 pm-5:55 am

2 stops30h 00m

$666

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 1/7

11:05 am-9:28 pm

1 stop18h 23m

San Jose

Wed 1/14

1:50 pm-10:55 am

1 stop13h 05m

$670

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 4/6

3:15 pm-12:08 pm

1 stop28h 53m

San Jose

Fri 4/10

1:51 pm-1:50 pm

2 stops15h 59m

$684

LondonSan Jose

LCY - SJC

LCYSJC

London City

Tue 2/3

6:15 pm-8:56 pm

2 stops34h 41m

San Jose

Tue 2/10

8:40 am-5:35 pm

2 stops24h 55m

$696

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Sat 1/10

10:45 am-7:12 pm

2 stops16h 27m

San Jose

Wed 1/14

5:54 am-10:00 am

1 stop20h 06m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 60 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 December.
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 December 12, 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, February is the cheapest month in which you can book a flight from London to San Jose, California (average of $475). Flying from London to San Jose, California in July is currently the most expensive (average of $604). 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 December 21, 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 $652, United Airlines can have you in San Jose, California from London in 19h 10m. London and San Jose, California are separated by a distance of 5352 mi. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from London to San Jose, California (average of $475). Flying from London to San Jose, California in July is currently the most expensive (average of $604). 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.

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