Cheap flights from San Jose to London Heathrow Airport from £204

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Jose to London Heathrow are usually found in October or February, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from San Jose to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Heathrow (LHR). 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 18 September 2025.

Round-trip from

£397

One-way from

£204

Popular in

June

Cheapest in

October

Average price

£533
Virgin Atlantic
  • Virgin Atlantic
  • 28/9-14/10
  • 3 total stops
  • 36h 36m total
  • San Jose to London
20/10
  • 20/10
  • 2 total stops
  • 37h 30m total
  • San Jose to London
Highest demand for flights based on searches. 14% potential increase in price (£70 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from San Jose to Heathrow

Cheapest flights from San Jose to Heathrow
Explore the most affordable flight options available from San Jose to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sun 28/911:35SJC - LHR
1 stop15h 45mVirgin Atlantic
Tue 14/1006:30LHR - SJC
2 stops20h 51mVirgin Atlantic
Deal found 16/9£397
Sun 28/915:55SJC - LHR
1 stop12h 25mUnited Airlines
Tue 14/1011:25LHR - SJC
1 stop17h 41mUnited Airlines
Deal found 17/9£410
Tue 11/1106:30SJC - LHR
1 stop15h 25mUnited Airlines
Tue 18/1113:25LHR - SJC
2 stops37h 23mUnited Airlines
Deal found 16/9£424
Mon 29/915:55SJC - LHR
1 stop12h 25mUnited Airlines
Wed 15/1014:50LHR - SJC
1 stop14h 16mUnited Airlines
Deal found 17/9£428
Tue 23/915:45SJC - LHR
1 stop12h 35mUnited Airlines
Tue 30/915:50LHR - SJC
2 stops37h 16mUnited Airlines
Deal found 16/9£429
Tue 11/1108:45SJC - LHR
2 stops38h 25mAir Canada
Tue 18/1111:10LHR - SJC
2 stops38h 28mAir Canada
Deal found 16/9£434
Mon 6/1009:00SJC - LHR
1 stop17h 00mDelta
Wed 15/1006:15LHR - SJC
2 stops17h 49mDelta
Deal found 16/9£435

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Jose to Heathrow 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 18 September 2025.
Use the filters below to find and compare flights from San Jose to London Heathrow Airport that are best for you.

Fly from

San Jose

Fly to

Heathrow

Route

Depart

Return

Price

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 11/11

06:30-07:55

1 stop17h 25m

London Heathrow

Thu 20/11

11:35-17:38

1 stop14h 03m

£442

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 1/10

09:44-09:50

1 stop16h 06m

London Heathrow

Wed 8/10

11:00-18:26

1 stop15h 26m

£442

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 1/10

06:30-11:35

2 stops21h 05m

London Heathrow

Wed 8/10

09:30-21:06

2 stops19h 36m

£445

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 13/10

06:00-06:25

1 stop16h 25m

London Heathrow

Tue 28/10

08:20-16:53

1 stop15h 33m

£454

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 13/1

08:40-09:40

1 stop17h 00m

London Heathrow

Sat 31/1

11:35-20:56

1 stop17h 21m

£471

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 19/10

11:35-14:15

1 stop18h 40m

London Heathrow

Sat 1/11

06:20-21:31

2 stops22h 11m

£472

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 3/12

05:45-07:05

2 stops17h 20m

London Heathrow

Sat 13/12

08:40-20:39

2 stops19h 59m

£476

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 13/1

06:30-07:05

1 stop16h 35m

London Heathrow

Sat 7/2

11:05-21:06

1 stop18h 01m

£478

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Fri 17/10

16:37-14:15

1 stop13h 38m

London Heathrow

Fri 24/10

13:25-18:55

1 stop13h 30m

£478

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 30/9

11:15-09:50

2 stops14h 35m

London Heathrow

Mon 6/10

13:25-22:59

2 stops17h 34m

£481

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Jose to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from San Jose to Heathrow. Price data was last updated on 12 September 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Jose to London Heathrow Airport (average of £112). Flying from San Jose to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from SJC to LHR?

Find hourly flight availability from San Jose to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

It’s optimal to fly from San Jose to London Heathrow Airport in the morning. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from San Jose to London Heathrow Airport?

Related info for your journey

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

    San Jose (SJC), located 2.9 mi from the city center, is the airport you fly out of when you book flights from San Jose to London Heathrow. 0 airlines have flights from San Jose to London Heathrow on a regular basis. Booking flights from San Jose to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    A quick flight from San Jose to London Heathrow Airport can take about 16h 06m. United Airlines provides one of the quickest options available for as low as £442. Airlines will cover a distance of 5352 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Jose to London Heathrow Airport one-way?

    £238 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on United Airlines and British Airways, with prices starting from £270 and £275, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Jose to London Heathrow Airport (average of £112). Flying from San Jose to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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