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Cheap flights from San Jose, California to London from £229

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LON
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Jose to London

Enter your travel dates to find the best prices.

Cheapest flights from San Jose to London
Explore the most affordable flight options available from San Jose to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Tue 3/1106:30
SJC
-
LHR
1 stop21h 30m
United Airlines
Thu 5/1111:10
LHR
-
SJC
2 stops41h 58m
United Airlines
Deal found 28/7£548
Sun 15/1106:30
SJC
-
LHR
1 stop17h 25m
United Airlines
Tue 17/1106:35
LHR
-
SJC
2 stops22h 33m
United Airlines
Deal found 29/7£549
Tue 3/1106:00
SJC
-
LHR
1 stop18h 15m
Multiple Airlines
Tue 10/1114:45
LHR
-
SJC
1 stop13h 58m
Multiple Airlines
Deal found 1/8£613
Thu 1/1006:40
SJC
-
LHR
1 stop15h 45m
Virgin Atlantic
Tue 24/1106:30
LHR
-
SJC
2 stops20h 07m
Virgin Atlantic
Deal found 29/7£619
Mon 21/906:00
SJC
-
LHR
1 stop19h 05m
Finnair
Tue 6/1011:00
LHR
-
SJC
1 stop19h 08m
Finnair
Deal found 30/7£626
Sun 13/906:00
SJC
-
LGW
2 stops20h 40m
American Airlines
Wed 23/914:30
LGW
-
SJC
2 stops31h 08m
American Airlines
Deal found 28/7£689
Mon 14/906:00
SJC
-
LGW
2 stops18h 40m
American Airlines
Tue 13/1014:30
LGW
-
SJC
2 stops28h 34m
American Airlines
Deal found 31/7£694
Tue 15/906:00
SJC
-
LGW
2 stops20h 40m
American Airlines
Tue 22/910:30
LGW
-
SJC
2 stops32h 23m
American Airlines
Deal found 1/8£698
Tue 8/906:00
SJC
-
LGW
2 stops20h 40m
American Airlines
Tue 29/910:30
LGW
-
SJC
2 stops35h 08m
American Airlines
Deal found 31/7£703
Tue 15/914:56
SJC
-
LGW
2 stops17h 04m
Delta
Tue 22/910:35
LGW
-
SJC
2 stops19h 31m
Delta
Deal found 29/7£706
Sun 13/906:00
SJC
-
LGW
2 stops20h 40m
American Airlines
Sun 20/910:45
LGW
-
SJC
2 stops32h 08m
American Airlines
Deal found 30/7£731
Sun 13/906:40
SJC
-
LGW
2 stops18h 45m
Air France
Wed 23/910:25
LGW
-
SJC
2 stops18h 57m
Air France
Deal found 29/7£742

Find flight deals from San Jose to London

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to London (LON). 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 1 August 2026.

Round-trip from

£548

One-way from

£229

Popular in

July

Cheapest in

August

Average price

£450
United Airlines
  • United Airlines
  • 3/11-5/11
  • 3 total stops
  • 63h 28m total
  • San Jose to London
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 27h 21m total
  • San Jose to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose to London 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 1 August 2026.
Use the filters below to find and compare flights from San Jose to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 15/11

06:30-07:55

1 stop17h 25m

London Heathrow

Tue 17/11

06:35-21:08

2 stops22h 33m

£548

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 29/10

07:00-07:45

2 stops17h 45m

London Heathrow

Wed 4/11

06:30-21:25

2 stops22h 55m

£683

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 29/10

10:37-12:20

1 stop18h 43m

London Heathrow

Wed 4/11

14:45-20:43

1 stop13h 58m

£688

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 13/9

12:51-13:15

1 stop16h 24m

London Heathrow

Wed 23/9

11:45-20:10

2 stops16h 25m

£691

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 15/9

07:25-11:20

1 stop19h 55m

London Heathrow

Tue 22/9

06:30-17:24

2 stops18h 54m

£698

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 13/9

08:45-11:55

2 stops19h 10m

London Heathrow

Wed 23/9

06:55-17:31

2 stops18h 36m

£701

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 10/9

07:00-08:50

2 stops17h 50m

London Heathrow

Thu 17/9

06:30-16:13

2 stops17h 43m

£739

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 14/9

12:51-09:40

1 stop12h 49m

London Heathrow

Mon 21/9

12:05-11:45

2 stops31h 40m

£745

San JoseLondon

SJC - LCY

SJCLCY

San Jose

Tue 15/9

12:51-17:55

2 stops21h 04m

London City

Tue 22/9

09:15-20:57

2 stops19h 42m

£765

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 12/9

09:42-13:05

2 stops19h 23m

London Heathrow

Sat 19/9

06:30-18:24

2 stops19h 54m

£775

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Jose to London

Have a flexible travel schedule? Discover the best time to fly to London from San Jose 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 San Jose to London

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

Currently, February is the cheapest month in which you can book a flight from San Jose, California to London (average of £486). Flying from San Jose, California to London in June is currently the most expensive (average of £973). 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 San Jose, California to London?

Airfare is above average for this route at the moment.
San Jose, California to London flights typically cost between £395 and £519 in November.
The cheapest return price found within the last 5 days was £548 on United Airlines (3 Nov–5 Nov).

Related info for your journey

Find useful and relevant information for your journey from San Jose to London. 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 from for flights from San Jose to London?

    For a flight from San Jose to London, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city. San Jose is the only San Jose airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from San Jose on a regular basis.

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

    A quick flight from San Jose, California to London can take about 14h 56m. Alaska Airlines provides one of the quickest options available for as low as £651. The distance from San Jose, California to London is about 5352 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from San Jose, California to London are San Jose - London Heathrow, San Jose - London Gatwick and San Jose - London Stansted.

  • Can I find deals for flights from San Jose to London that include hotel bookings?

    Yes. In addition to deals on San Jose to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Jose to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to London.

  • Can I find deals for business class flights from San Jose to London?

    Yes. Cheapflights offers flight deals from San Jose to London 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 San Jose, California to London?

    Currently, February is the cheapest month in which you can book a flight from San Jose, California to London (average of £486). Flying from San Jose, California to London in June is currently the most expensive (average of £973). 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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Can Cheapflights find flights from San Jose to London with no change fees?

Yes, we can. To see specific flights from San Jose to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from San Jose today and book when prices fit your budget.

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