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Cheap flights from San Jose, California to London from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to London departing on 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Jose, California to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:59 pm - 5:35 pm
SJC
-
LHR
18h 36m
1 stop
Delta Logo
11:45 am - 10:50 pm
LHR
-
SJC
19h 05m
2 stops
$865Delta
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:45 am - 11:55 am
SJC
-
LHR
19h 10m
2 stops
United Airlines Logo
6:55 am - 5:31 pm
LHR
-
SJC
18h 36m
2 stops
$870United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
1:10 pm - 7:45 am
SJC
-
LHR
34h 35m
1 stop
United Airlines Logo
6:55 am - 5:31 pm
LHR
-
SJC
18h 36m
2 stops
$871United Airlines
Sat, Jul 18 - Thu, Sep 17
United Airlines Logo
1:10 pm - 7:45 am
SJC
-
LHR
34h 35m
1 stop
United Airlines Logo
2:05 pm - 11:45 am
LHR
-
SJC
29h 40m
2 stops
$879United Airlines
Sat, Jul 18 - Fri, Sep 18
United Airlines Logo
1:10 pm - 7:45 am
SJC
-
LHR
34h 35m
1 stop
United Airlines Logo
4:25 pm - 5:31 pm
LHR
-
SJC
33h 06m
2 stops
$881United Airlines
Sat, Jul 18 - Tue, Sep 15
Air Canada Logo
4:00 pm - 6:30 am
SJC
-
LHR
30h 30m
2 stops
Air Canada Logo
2:05 pm - 8:57 pm
LHR
-
SJC
38h 52m
2 stops
$882Air Canada
Sat, Jul 18 - Wed, Sep 16
Air Canada Logo
4:00 pm - 6:30 am
SJC
-
LHR
30h 30m
2 stops
Air Canada Logo
2:10 pm - 8:57 pm
LHR
-
SJC
38h 47m
2 stops
$887Air Canada
Sat, Jul 18 - Thu, Sep 17
Iberia Logo
6:00 am - 6:20 am
SJC
-
LHR
16h 20m
1 stop
Iberia Logo
2:25 pm - 10:32 pm
LHR
-
SJC
16h 07m
1 stop
$893Iberia
Wed, Aug 19 - Wed, Sep 2
KLM Logo
6:30 am - 6:25 am
SJC
-
LHR
15h 55m
1 stop
KLM Logo
10:55 am - 4:15 pm
LHR
-
SJC
13h 20m
1 stop
$894KLM
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
12:51 pm - 9:40 am
SJC
-
LHR
12h 49m
1 stop
United Airlines Logo
2:50 pm - 8:57 pm
LHR
-
SJC
14h 07m
1 stop
$895United Airlines
Wed, Aug 19 - Thu, Aug 27

United Airlines flights from San Jose, California to London Heathrow Airport

Our best United Airlines deals on San Jose, California to London Heathrow Airport flight tickets
United Airlines
Aug 12
SJC8:45 amSan Jose
19h 10m
2 stops
LHR11:55 amLondon Heathrow
Aug 19
LHR6:55 amLondon Heathrow
18h 36m
2 stops
SJC5:31 pmSan Jose
$870
United Airlines
Jul 18
SJC1:10 pmSan Jose
34h 35m
1 stop
LHR7:45 amLondon Heathrow
Sep 17
LHR6:55 amLondon Heathrow
18h 36m
2 stops
SJC5:31 pmSan Jose
$871
United Airlines
Oct 25
SJC6:40 amSan Jose
22h 20m
1 stop
LHR12:00 pmLondon Heathrow
Nov 4
LHR7:30 amLondon Heathrow
18h 13m
2 stops
SJC5:43 pmSan Jose
$875

Alaska Airlines flights from San Jose, California to London Heathrow Airport

Our best Alaska Airlines deals on San Jose, California to London Heathrow Airport flight tickets
Alaska Airlines
Aug 4
SJC8:20 amSan Jose
22h 45m
1 stop
LHR3:05 pmLondon Heathrow
Aug 21
LHR5:00 pmLondon Heathrow
24h 25m
1 stop
SJC9:25 amSan Jose
$899
Alaska Airlines
May 25
SJC8:00 amSan Jose
23h 05m
1 stop
LHR3:05 pmLondon Heathrow
Nov 3
LHR2:45 pmLondon Heathrow
13h 58m
1 stop
SJC8:43 pmSan Jose
$1,092
Alaska Airlines
Jun 2
SJC2:34 pmSan Jose
16h 31m
1 stop
LHR3:05 pmLondon Heathrow
Jun 9
LHR5:00 pmLondon Heathrow
14h 31m
1 stop
SJC11:31 pmSan Jose
$1,123

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to London Heathrow Airport 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 May 22, 2026.
Use the filters below to find and compare flights from San Jose, California to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/12

2:59 pm-5:35 pm

1 stop18h 36m

London Heathrow

Wed 8/19

11:45 am-10:50 pm

2 stops19h 05m

$865

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/12

8:45 am-11:55 am

2 stops19h 10m

London Heathrow

Wed 8/19

6:55 am-5:31 pm

2 stops18h 36m

$870

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 7/18

1:10 pm-7:45 am

1 stop34h 35m

London Heathrow

Thu 9/17

6:55 am-5:31 pm

2 stops18h 36m

$871

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 7/18

1:10 pm-7:45 am

1 stop34h 35m

London Heathrow

Fri 9/18

2:05 pm-11:45 am

2 stops29h 40m

$879

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 7/18

1:10 pm-7:45 am

1 stop34h 35m

London Heathrow

Tue 9/15

4:25 pm-5:31 pm

2 stops33h 06m

$881

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 7/18

4:00 pm-6:30 am

2 stops30h 30m

London Heathrow

Wed 9/16

2:05 pm-8:57 pm

2 stops38h 52m

$882

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 7/18

4:00 pm-6:30 am

2 stops30h 30m

London Heathrow

Thu 9/17

2:10 pm-8:57 pm

2 stops38h 47m

$887

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/19

6:00 am-6:20 am

1 stop16h 20m

London Heathrow

Wed 9/2

2:25 pm-10:32 pm

1 stop16h 07m

$893

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/12

6:30 am-6:25 am

1 stop15h 55m

London Heathrow

Wed 8/19

10:55 am-4:15 pm

1 stop13h 20m

$894
Quickest round-trip

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/19

12:51 pm-9:40 am

1 stop12h 49m

London Heathrow

Thu 8/27

2:50 pm-8:57 pm

1 stop14h 07m

$895

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to London from

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

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 San Jose, California and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of August is, on average, the cheapest month to fly to London Heathrow Airport from San Jose, California, with most prices found around $619. If you’re not able to fly to London Heathrow Airport in August, then February is your next best option. Flight prices from San Jose, California to London Heathrow Airport during February average around $631.

When to book flights from San Jose, California to London Heathrow Airport

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

Cheap San Jose, California to London Heathrow Airport (SJC to LHR) flight deals and tips

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

Fastest flight time

12h 49m

Direct flights

None
The fastest flight from San Jose, California to London Heathrow Airport takes 12h 49m
There are no direct flights from San Jose, California to London Heathrow Airport. There are no popular flight routes from San Jose, California to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from San Jose, California to London Heathrow Airport

  • How far is San Jose to London Heathrow by plane?

    London Heathrow is 5352.0 mi away from San Jose. 12h 49m is a normal flight duration for this route.

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

    Prices for flights from San Jose Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from San Jose Airport to London Heathrow Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Jose, California to London Heathrow Airport?

Best airlines flying from San Jose, California to London Heathrow Airport

Compare and see reviews for airlines that fly from San Jose, California to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $530Free CancellationRating
7.5
689 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $560Free CancellationRating
7.9
8,449 reviews
Search Delta flights
United AirlinesPriceFrom $562Free CancellationRating
7.4
9,748 reviews
Search United Airlines flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,991 reviews
Search British Airways flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Wembley
Stratford-upon-Avon
Slough
Croydon
Stansted
Watford
Harrow
Brentwood
Dartford
Ilford
Cobham
Folkestone
Uxbridge

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Jose.

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

Yes. All flights to London from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between San Jose and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from San Jose. 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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