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Cheap flights from London to San Jose from $449

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Jose departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:20 am - 9:30 pm
LHR
-
SJC
21h 10m
1 stop
British Airways Logo
11:02 am - 8:15 am
SJC
-
LHR
14h 13m
1 stop
$564British Airways
Fri, Mar 6 - Tue, Mar 17
British Airways Logo
8:55 am - 9:21 pm
LHR
-
SJC
20h 26m
1 stop
British Airways Logo
12:46 pm - 10:50 am
SJC
-
LHR
14h 04m
1 stop
$565British Airways
Mon, Apr 6 - Sun, Apr 19
American Airlines Logo
10:05 am - 9:30 pm
LHR
-
SJC
19h 25m
2 stops
American Airlines Logo
2:07 pm - 11:40 am
SJC
-
LHR
13h 33m
1 stop
$567American Airlines
Thu, Feb 19 - Wed, Mar 4
Iberia Logo
8:20 am - 9:30 pm
LHR
-
SJC
21h 10m
1 stop
Iberia Logo
11:01 am - 11:40 am
SJC
-
LHR
16h 39m
1 stop
$573Iberia
Thu, Feb 19 - Wed, Mar 4
Finnair Logo
8:55 am - 9:21 pm
LHR
-
SJC
20h 26m
1 stop
Finnair Logo
6:00 am - 9:00 am
SJC
-
LHR
19h 00m
2 stops
$574Finnair
Mon, Apr 6 - Sun, Apr 19
British Airways Logo
4:30 pm - 10:11 am
LHR
-
SJC
25h 41m
1 stop
British Airways Logo
2:26 pm - 11:40 am
SJC
-
LHR
14h 14m
1 stop
$576British Airways
Tue, Mar 3 - Tue, Mar 10
British Airways Logo
10:15 am - 9:21 pm
LHR
-
SJC
18h 06m
1 stop
British Airways Logo
2:26 pm - 11:40 am
SJC
-
LHR
14h 14m
1 stop
$577British Airways
Thu, Mar 12 - Tue, Mar 24
Multiple Airlines Logo
9:55 am - 10:31 pm
LHR
-
SJC
20h 36m
2 stops
Multiple Airlines Logo
11:01 am - 10:00 am
SJC
-
LHR
14h 59m
1 stop
$579Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
Iberia Logo
8:20 am - 9:30 pm
LHR
-
SJC
21h 10m
1 stop
Iberia Logo
11:01 am - 11:40 am
SJC
-
LHR
16h 39m
1 stop
$581Iberia
Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
11:55 am - 10:59 pm
LGW
-
SJC
19h 04m
2 stops
Multiple Airlines Logo
10:16 am - 10:55 am
SJC
-
LGW
16h 39m
2 stops
$971Multiple Airlines
Thu, Feb 19 - Wed, Mar 4

Delta flights from London to San Jose, California

Our best Delta deals on London to San Jose, California flight tickets
Delta
May 10
LHR6:30 amLondon Heathrow
18h 45m
2 stops
SJC5:15 pmSan Jose
May 23
SJC11:41 amSan Jose
17h 24m
2 stops
LHR1:05 pmLondon Heathrow
$585
Delta
Jul 20
LHR6:30 amLondon Heathrow
18h 44m
2 stops
SJC5:14 pmSan Jose
Jul 29
SJC11:30 amSan Jose
17h 45m
2 stops
LHR1:15 pmLondon Heathrow
$615
Delta
May 10
LHR6:30 amLondon Heathrow
18h 45m
2 stops
SJC5:15 pmSan Jose
May 23
SJC11:41 amSan Jose
17h 24m
2 stops
LHR1:05 pmLondon Heathrow
$655

Icelandair flights from London to San Jose, California

Our best Icelandair deals on London to San Jose, California flight tickets
Icelandair
Mar 17
LGW11:55 amLondon Gatwick
19h 04m
2 stops
SJC11:59 pmSan Jose
Mar 31
SJC10:22 amSan Jose
20h 18m
2 stops
LGW2:40 pmLondon Gatwick
$918
Icelandair
May 12
LGW1:00 pmLondon Gatwick
17h 35m
2 stops
SJC10:35 pmSan Jose
May 19
SJC2:28 pmSan Jose
16h 12m
2 stops
LGW2:40 pmLondon Gatwick
$925
Icelandair
Feb 18
LHR8:35 pmLondon Heathrow
34h 24m
2 stops
SJC10:59 pmSan Jose
Feb 25
SJC10:16 amSan Jose
16h 34m
2 stops
LHR10:50 amLondon Heathrow
$947

momondo Fare Finder

 
Customize your flight search to find flights from London to San Jose, California 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, momondo users made 832,500 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from London to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 3/6

8:20 am-9:30 pm

1 stop21h 10m

San Jose

Tue 3/17

11:02 am-8:15 am

1 stop14h 13m

$564

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 4/6

8:55 am-9:21 pm

1 stop20h 26m

San Jose

Sun 4/19

12:46 pm-10:50 am

1 stop14h 04m

$565

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 2/19

10:05 am-9:30 pm

2 stops19h 25m

San Jose

Wed 3/4

2:07 pm-11:40 am

1 stop13h 33m

$567

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 2/19

8:20 am-9:30 pm

1 stop21h 10m

San Jose

Wed 3/4

11:01 am-11:40 am

1 stop16h 39m

$573

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 4/6

8:55 am-9:21 pm

1 stop20h 26m

San Jose

Sun 4/19

6:00 am-9:00 am

2 stops19h 00m

$574

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 3/3

4:30 pm-10:11 am

1 stop25h 41m

San Jose

Tue 3/10

2:26 pm-11:40 am

1 stop14h 14m

$576

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 3/12

10:15 am-9:21 pm

1 stop18h 06m

San Jose

Tue 3/24

2:26 pm-11:40 am

1 stop14h 14m

$577

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 2/19

9:55 am-10:31 pm

2 stops20h 36m

San Jose

Wed 3/4

11:01 am-10:00 am

1 stop14h 59m

$579

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 2/19

8:20 am-9:30 pm

1 stop21h 10m

San Jose

Wed 3/4

11:01 am-11:40 am

1 stop16h 39m

$581

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Thu 2/19

11:55 am-10:59 pm

2 stops19h 04m

San Jose

Wed 3/4

10:16 am-10:55 am

2 stops16h 39m

$971

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Jose from

How to get the cheapest flight ticket from London to San Jose, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and San Jose, California?

What is the cheapest month to fly to San Jose, California?

The month of January is, on average, the cheapest month to fly to San Jose, California from London, with most prices found around $577. If you are unable to visit San Jose, California during the month of January, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $578.

How far in advance should I book a flight to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $689 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from London for as low as $599 on momondo.

When to book flights from London to San Jose, California

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Jose, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to San Jose, California (LON to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Jose, California

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from London to San Jose, California takes 14h 15m
There are no direct flights from London to San Jose, California. There are no popular flight routes from London to San Jose, California.
Search flight deals

  • How far is London to San Jose by plane?

    The straight-line distance from London to San Jose is 5360.5 mi. Flights usually cover this in 14h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to San Jose Airport?

    Prices for flights from London to San Jose Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to San Jose Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to San Jose?

Finding the right flight to San Jose from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Jose quick and easy, saving you time and money.

Can I find flights from London to San Jose with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to San Jose flights to just show those with flexible booking policies.

How can momondo help me find flights from London to San Jose?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Jose.

I’m not ready to book a flight from London to San Jose right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Jose from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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