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Cheap flights from San Jose, California to London from $309

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 3/5. 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 San Jose, California to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:07 pm - 12:15 pm
SJC
-
LHR
14h 08m
1 stop
Multiple Airlines Logo
4:15 pm - 9:21 pm
LHR
-
SJC
36h 06m
2 stops
$632Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
Delta Logo
10:35 pm - 6:25 am
SJC
-
LHR
23h 50m
1 stop
Delta Logo
6:30 am - 5:31 pm
LHR
-
SJC
18h 01m
2 stops
$634Delta
Mon, Feb 16 - Tue, Mar 17
Iberia Logo
11:01 am - 11:40 am
SJC
-
LHR
16h 39m
1 stop
Iberia Logo
7:40 pm - 10:11 am
LHR
-
SJC
22h 31m
2 stops
$635Iberia
Wed, Feb 18 - Wed, Feb 25
Delta Logo
9:15 am - 10:55 am
SJC
-
LHR
17h 40m
1 stop
Delta Logo
6:30 am - 5:25 pm
LHR
-
SJC
17h 55m
2 stops
$636Delta
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
3:55 pm - 10:15 am
SJC
-
LHR
34h 20m
2 stops
United Airlines Logo
6:35 am - 9:16 pm
LHR
-
SJC
21h 41m
2 stops
$638United Airlines
Mon, Feb 16 - Tue, Mar 17
Delta Logo
5:45 am - 7:05 am
SJC
-
LHR
17h 20m
2 stops
Delta Logo
8:40 am - 9:33 pm
LHR
-
SJC
19h 53m
2 stops
$639Delta
Thu, Mar 5 - Mon, Mar 9
Delta Logo
6:45 am - 8:45 am
SJC
-
LHR
18h 00m
2 stops
Delta Logo
6:30 am - 7:41 pm
LHR
-
SJC
20h 11m
2 stops
$640Delta
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
3:55 pm - 8:35 pm
SJC
-
LHR
20h 40m
2 stops
United Airlines Logo
6:35 am - 1:41 pm
LHR
-
SJC
39h 06m
2 stops
$643United Airlines
Sat, Feb 14 - Tue, Feb 24
United Airlines Logo
3:55 pm - 9:40 am
SJC
-
LHR
33h 45m
1 stop
United Airlines Logo
11:10 am - 1:41 pm
LHR
-
SJC
34h 31m
2 stops
$644United Airlines
Sat, Feb 14 - Tue, Feb 24
United Airlines Logo
3:55 pm - 9:40 am
SJC
-
LHR
33h 45m
1 stop
United Airlines Logo
11:10 am - 1:41 pm
LHR
-
SJC
34h 31m
2 stops
$645United Airlines
Sat, Feb 14 - Tue, Feb 24

Iberia flights from San Jose, California to London Heathrow Airport

Our best Iberia deals on San Jose, California to London Heathrow Airport flight tickets
Iberia
Feb 18
SJC11:01 amSan Jose
16h 39m
1 stop
LHR11:40 amLondon Heathrow
Feb 25
LHR7:40 pmLondon Heathrow
22h 31m
2 stops
SJC10:11 amSan Jose
$635
Iberia
Feb 18
SJC6:00 amSan Jose
21h 40m
1 stop
LHR11:40 amLondon Heathrow
Mar 2
LHR7:40 pmLondon Heathrow
22h 31m
2 stops
SJC10:11 amSan Jose
$636
Iberia
Mar 4
SJC6:00 amSan Jose
20h 00m
1 stop
LHR10:00 amLondon Heathrow
Mar 11
LHR10:15 amLondon Heathrow
18h 06m
1 stop
SJC9:21 pmSan Jose
$648

Finnair flights from San Jose, California to London Heathrow Airport

Our best Finnair deals on San Jose, California to London Heathrow Airport flight tickets
Finnair
Feb 25
SJC6:00 amSan Jose
21h 40m
1 stop
LHR11:40 amLondon Heathrow
Mar 6
LHR4:15 pmLondon Heathrow
37h 15m
2 stops
SJC9:30 pmSan Jose
$667
Finnair
Feb 18
SJC6:00 amSan Jose
21h 40m
1 stop
LHR11:40 amLondon Heathrow
Feb 26
LHR4:15 pmLondon Heathrow
37h 15m
2 stops
SJC9:30 pmSan Jose
$675

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 February 4, 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

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 2/23

2:07 pm-12:15 pm

1 stop14h 08m

London Heathrow

Mon 3/9

4:15 pm-9:21 pm

2 stops36h 06m

$632

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 2/16

10:35 pm-6:25 am

1 stop23h 50m

London Heathrow

Tue 3/17

6:30 am-5:31 pm

2 stops18h 01m

$634

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 2/18

11:01 am-11:40 am

1 stop16h 39m

London Heathrow

Wed 2/25

7:40 pm-10:11 am

2 stops22h 31m

$635

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 3/5

9:15 am-10:55 am

1 stop17h 40m

London Heathrow

Mon 3/9

6:30 am-5:25 pm

2 stops17h 55m

$636

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 2/16

3:55 pm-10:15 am

2 stops34h 20m

London Heathrow

Tue 3/17

6:35 am-9:16 pm

2 stops21h 41m

$638

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 3/5

5:45 am-7:05 am

2 stops17h 20m

London Heathrow

Mon 3/9

8:40 am-9:33 pm

2 stops19h 53m

$639

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 3/5

6:45 am-8:45 am

2 stops18h 00m

London Heathrow

Mon 3/9

6:30 am-7:41 pm

2 stops20h 11m

$640

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 2/14

3:55 pm-8:35 pm

2 stops20h 40m

London Heathrow

Tue 2/24

6:35 am-1:41 pm

2 stops39h 06m

$643

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 2/14

3:55 pm-9:40 am

1 stop33h 45m

London Heathrow

Tue 2/24

11:10 am-1:41 pm

2 stops34h 31m

$644

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 2/14

3:55 pm-9:40 am

1 stop33h 45m

London Heathrow

Tue 2/24

11:10 am-1:41 pm

2 stops34h 31m

$645

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 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 cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from San Jose, California, with most prices found around $631. If you’re not able to fly to London Heathrow Airport in February, then April is your next best option. Flight prices from San Jose, California to London Heathrow Airport during April average around $672.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $785 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Jose, California for as low as $627 on momondo.

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

13h 46m

Direct flights

None
The fastest flight from San Jose, California to London Heathrow Airport takes 13h 46m
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

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

    London Heathrow is 5352.0 mi away from San Jose. 13h 46m 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
DeltaPriceFrom $564Free CancellationRating
7.9
8,141 reviews
Search Delta flights
Virgin AtlanticPriceFrom $581Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $619Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,714 reviews
Search British Airways flights

Traveling to a place near London?

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

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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