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Cheap flights from London to San Jose, California from £305

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJC
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to San Jose

Enter your travel dates to find the best prices.

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 18 July 2026.

Sat 17/1016:10
LHR
-
SJC
2 stops50h 54m
Finnair
Sat 24/1014:41
SJC
-
LHR
2 stops35h 24m
Finnair
Deal found 15/7£493
Mon 9/1120:25
LHR
-
SJC
2 stops30h 23m
Virgin Atlantic
Mon 16/1107:15
SJC
-
LHR
2 stops19h 00m
Virgin Atlantic
Deal found 17/7£497
Mon 9/1112:50
LHR
-
SJC
2 stops32h 27m
Finnair
Mon 16/1114:07
SJC
-
LHR
1 stop13h 53m
Finnair
Deal found 15/7£502
Fri 14/811:40
LHR
-
SJC
1 stop19h 10m
Virgin Atlantic
Fri 21/813:24
SJC
-
LHR
1 stop15h 41m
Virgin Atlantic
Deal found 17/7£507
Thu 5/1111:05
LHR
-
SJC
1 stop14h 38m
Virgin Atlantic
Wed 11/1111:45
SJC
-
LHR
2 stops15h 55m
Virgin Atlantic
Deal found 12/7£514
Fri 14/811:45
LHR
-
SJC
2 stops16h 28m
Delta
Fri 21/822:20
SJC
-
LHR
1 stop24h 05m
Delta
Deal found 17/7£518
Fri 2/1006:30
LHR
-
SJC
2 stops18h 48m
Delta
Sat 10/1016:27
SJC
-
LHR
1 stop14h 33m
Delta
Deal found 14/7£519
Fri 16/1019:50
LHR
-
SJC
2 stops33h 35m
Virgin Atlantic
Sun 25/1020:35
SJC
-
LHR
2 stops30h 55m
Virgin Atlantic
Deal found 14/7£520
Fri 14/810:25
LGW
-
SJC
2 stops19h 48m
Delta
Fri 21/806:10
SJC
-
LGW
2 stops19h 15m
Delta
Deal found 17/7£534
Fri 14/809:20
LCY
-
SJC
2 stops18h 53m
Delta
Fri 21/806:10
SJC
-
LCY
2 stops17h 05m
Delta
Deal found 17/7£548
Sat 17/1017:00
LGW
-
SJC
2 stops38h 00m
Multiple Airlines
Wed 28/1006:05
SJC
-
LGW
2 stops26h 40m
Multiple Airlines
Deal found 14/7£559
Sat 5/908:25
LCY
-
SJC
2 stops21h 48m
Virgin Atlantic
Tue 15/913:23
SJC
-
LCY
2 stops19h 57m
Virgin Atlantic
Deal found 15/7£573

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 18 July 2026.

Round-trip from

£493

One-way from

£305

Popular in

December

Cheapest in

January

Average price

£565
Finnair
  • Finnair
  • 17/10-24/10
  • 4 total stops
  • 86h 18m total
  • London to San Jose
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 54h 07m total
  • London to San Jose
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£3 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from London to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 2/10

06:30-17:18

2 stops18h 48m

San Jose

Sat 10/10

16:27-15:00

1 stop14h 33m

£519

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Fri 14/8

10:25-22:13

2 stops19h 48m

San Jose

Fri 21/8

06:10-09:25

2 stops19h 15m

£534

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 27/8

06:30-15:50

2 stops17h 20m

San Jose

Thu 10/9

14:56-14:55

1 stop15h 59m

£536
Fastest return journey

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 22/9

10:55-18:24

1 stop15h 29m

San Jose

Tue 13/10

20:35-17:35

1 stop13h 00m

£546

LondonSan Jose

LCY - SJC

LCYSJC

London City

Fri 14/8

09:20-20:13

2 stops18h 53m

San Jose

Fri 21/8

06:10-07:15

2 stops17h 05m

£548

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 19/10

11:45-23:00

2 stops19h 15m

San Jose

Mon 26/10

11:38-10:30

2 stops15h 52m

£558

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 16/10

09:55-17:16

1 stop15h 21m

San Jose

Sun 25/10

11:30-10:30

1 stop16h 00m

£562

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 20/10

09:55-17:16

1 stop15h 21m

San Jose

Sun 25/10

20:35-16:50

1 stop13h 15m

£562

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 15/10

17:00-22:53

1 stop13h 53m

San Jose

Sun 18/10

08:00-15:05

1 stop23h 05m

£572

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 14/8

11:40-22:50

1 stop19h 10m

San Jose

Tue 18/8

09:51-11:00

1 stop17h 09m

£574

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 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 San Jose

What is the cheapest month to book a flight from London to San Jose, California?

Currently, January is the cheapest month in which you can book a flight from London to San Jose, California (average of £469). Flying from London to San Jose, California in December is currently the most expensive (average of £636). 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.

How much does it cost for a return flight from London to San Jose, California?

What’s the top stopover airport for flights from London to San Jose, California?

Share of one-stop return flights from London to San Jose, California chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Los Angeles (LAX) – chosen by Cheapflights users on 36% of one-stop itineraries from London to San Jose, California on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Jose, California?

Average return fare for one-stop flights from London to San Jose, California, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Salt Lake City (SLC) is the most affordable one-stop option, with an average return flight price of £480.

What’s the fastest stopover option from London to San Jose, California?

Shortest average travel time for one-stop one-way flights from London to San Jose, California, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 14h 05m.

Which airport typically offers the quickest stopover for flights from London to San Jose, California?

Average stopover duration for one-stop one-way flights from London to San Jose, California, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 14m.

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

Booking 83 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.

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated 18 July 2026.
Get a feel of what it's like to fly with KLM,Delta, andVirgin Atlantic from London to San Jose by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,541 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Delta
7.8
Good
8,476 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
693 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,006 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,122 reviews
KLM
7.8
Good
1,541 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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?

    Located just 2.9 mi from the city center, San Jose is the airport most travelers will use when flying to San Jose from London. Booking flights from London to San Jose (SJC) should be relatively easy as there are 0 daily inbound flights from London from 3 different airlines.

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

    For as low as £546, Delta can have you in San Jose, California from London in 15h 29m. Airlines will cover a distance of 5352 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London to San Jose, California round-trip?

    KLM, at £398, was found to be the cheapest airline from London to San Jose, California.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. KLM is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

    When deciding which route to take from London to San Jose, California consider London Heathrow - San Jose, London Gatwick - San Jose or London Stansted - San Jose as they are the most popular.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to San Jose, California (average of £469). Flying from London to San Jose, California in December is currently the most expensive (average of £636). 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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Alternative routes for London to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to San Jose

Discover the top 3 airlines that operate flights from London to San Jose. 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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£398Average£705FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£412Average£540FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£420Average£590FlexibilityNo cancel feeOn-time70%
Search British Airways 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 London to San Jose?

When you search for this flight from London to San Jose, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to San Jose for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from London to San Jose with no change fees.

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

Yes, Cheapflights offers price alerts on London to San Jose 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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