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Cheap flights from London Heathrow Airport to San Jose, California from £349

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJC
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to San Jose

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to San Jose
Explore the most affordable flight options available from Heathrow to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Mon 14/1208:55 -
1 stop18h 16m
Tue 12/106:30 -
1 stop16h 35m
Deal found 14/8£349
Mon 14/1209:50 -
1 stop18h 47m
Mon 4/111:33 -
1 stop15h 07m
Deal found 14/8£361
Mon 16/1117:50 -
2 stops34h 47m
Thu 31/1206:30 -
1 stop16h 35m
Deal found 14/8£430
Sat 7/1117:50 -
2 stops37h 10m
Tue 17/1113:35 -
1 stop12h 25m
Deal found 14/8£434
Mon 9/1120:25 -
2 stops28h 50m
Mon 23/1111:35 -
1 stop15h 05m
Deal found 13/8£436
Fri 6/1110:00 -
2 stops40h 20m
Sun 8/1118:34 -
1 stop33h 01m
Deal found 13/8£438
Fri 6/1117:50 -
2 stops31h 25m
Wed 2/1211:30 -
1 stop15h 10m
Deal found 11/8£441
Wed 21/1017:10 -
2 stops32h 28m
Sat 31/1014:37 -
1 stop13h 03m
Deal found 11/8£445
Tue 24/1117:50 -
2 stops31h 25m
Fri 15/107:00 -
1 stop20h 40m
Deal found 12/8£446

Find flight deals from Heathrow to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 16 August 2026.

Round-trip from

£349

One-way from

£349

Popular in

June

Cheapest in

October

Average price

£561
Delta
  • Delta
  • 14/12-12/1
  • 2 total stops
  • 34h 51m total
  • London to San Jose
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 7/10
  • 1 total stop
  • 13h 59m total
  • London to San Jose
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 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 Heathrow 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 16 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Thu 24/12

10:45-19:56

2 stops17h 11m

San Jose

Thu 31/12

07:15-10:40

1 stop19h 25m

£460

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Wed 14/10

17:00-13:18

1 stop28h 18m

San Jose

Sun 18/10

08:02-15:05

1 stop23h 03m

£464

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Wed 2/12

14:45-22:12

1 stop15h 27m

San Jose

Wed 9/12

07:03-12:20

1 stop21h 17m

£465

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Fri 11/9

06:30-17:46

2 stops19h 16m

San Jose

Sat 26/9

11:41-12:05

2 stops16h 24m

£512

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Fri 11/9

08:40-20:10

2 stops19h 30m

San Jose

Sat 19/9

11:41-13:05

2 stops17h 24m

£525

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Thu 17/9

11:45-22:45

2 stops19h 00m

San Jose

Mon 21/9

09:52-10:20

2 stops16h 28m

£525

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Sat 26/9

06:30-19:51

2 stops21h 21m

San Jose

Sat 3/10

14:41-15:35

1 stop16h 54m

£585

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Sat 26/9

06:40-22:06

3 stops23h 26m

San Jose

Sat 3/10

11:32-21:40

2 stops26h 08m

£589
Fastest return journey

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Tue 15/9

14:50-20:57

1 stop14h 07m

San Jose

Wed 30/9

13:00-09:40

1 stop12h 40m

£609
Cheapest one-way
Fastest single journey

LondonSan Jose

LHR London Heathrow - SJC San Jose

LHRSJC

London Heathrow

Wed 21/10

17:00-22:59

1 stop13h 59m

£368

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to San Jose

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

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Jose, California, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to San Jose, California (average of £443). Flying from London Heathrow Airport to San Jose, California in June is currently the most expensive (average of £697). 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 Heathrow Airport to San Jose, California?

Airfare is below average for this route at the moment.

London Heathrow Airport to San Jose, California flights typically cost between £480 and £689 in December.
The cheapest return price found within the last 5 days was £349 on Delta (14 Dec–12 Jan).

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 16 August 2026.
Check out reviews from past customers who have flown with Virgin Atlantic and British Airways from London Heathrow Airport to San Jose to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Overall

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Overall

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,166 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Overall

7.5

Food

6.9

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    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 Heathrow. Booking flights from London Heathrow to San Jose (SJC) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.

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

    Virgin Atlantic, Alaska Airlines, and Delta can get you from London Heathrow Airport to San Jose, California in just under 17h 11m. Your travel time can differ by up to 11h 07m. London Heathrow Airport and San Jose, California are separated by a distance of 5352 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from London Heathrow Airport to San Jose, California is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £417 on this airline. An additional option worth looking into is British Airways, starting at £420. These flights start at 27% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to San Jose, California (average of £443). Flying from London Heathrow Airport to San Jose, California in June is currently the most expensive (average of £697). 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 Heathrow to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Heathrow to San Jose

Discover the top 2 airlines that operate flights from Heathrow 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 16 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£419Average£539FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£420Average£585FlexibilityNo 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 Heathrow to San Jose?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to San Jose. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to San Jose for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Heathrow to San Jose 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 Heathrow to San Jose become cheaper?

Of course! You can now track prices for flights from Heathrow to San Jose and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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