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Cheap flights from San Jose, California to London Heathrow Airport from £234

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LHR
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Jose to London Heathrow are usually found in February or October, 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 4 November 2025.

Round-trip from

£401

One-way from

£234

Popular in

June

Cheapest in

February

Average price

£619
Scandinavian Airlines
  • Scandinavian Airlines
  • 12/1-2/2
  • 4 total stops
  • 52h 34m total
  • San Jose to London
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3/2
  • 3/2
  • 2 total stops
  • 32h 56m total
  • San Jose to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from San Jose to Heathrow

Enter your travel dates to find the best prices.

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 4 November 2025.

Tue 2/1209:50SJC - LHR
1 stop16h 10mMultiple Airlines
Tue 9/1206:20LHR - SJC
2 stops17h 34mMultiple Airlines
Deal found 2/11£443
Mon 10/1111:06SJC - LHR
1 stop13h 29mBritish Airways
Tue 18/1108:20LHR - SJC
1 stop20h 28mBritish Airways
Deal found 2/11£446
Tue 2/1209:50SJC - LHR
1 stop16h 10mKLM
Tue 9/1212:30LHR - SJC
1 stop18h 25mKLM
Deal found 2/11£448
Wed 5/1111:15SJC - LHR
1 stop15h 40mDelta
Wed 12/1106:20LHR - SJC
2 stops20h 04mDelta
Deal found 2/11£449
Wed 5/1111:35SJC - LHR
1 stop14h 55mKLM
Thu 13/1106:30LHR - SJC
2 stops17h 25mKLM
Deal found 2/11£450
Tue 2/1206:20SJC - LHR
2 stops16h 30mVirgin Atlantic
Tue 9/1206:20LHR - SJC
2 stops20h 36mVirgin Atlantic
Deal found 2/11£453
Wed 5/1111:15SJC - LHR
2 stops16h 25mDelta
Thu 13/1108:40LHR - SJC
2 stops19h 55mDelta
Deal found 2/11£454
Wed 10/1207:15SJC - LHR
1 stop19h 15mVirgin Atlantic
Wed 17/1209:40LHR - SJC
2 stops18h 56mVirgin Atlantic
Deal found 3/11£458
Wed 5/1108:45SJC - LHR
2 stops20h 15mLufthansa
Thu 13/1107:40LHR - SJC
2 stops21h 13mLufthansa
Deal found 2/11£465
Tue 2/1209:50SJC - LHR
1 stop16h 10mKLM
Mon 15/1212:30LHR - SJC
1 stop18h 25mKLM
Deal found 1/11£467

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 4 November 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

Sat 14/2

15:36-10:55

1 stop35h 19m

London Heathrow

Sun 22/2

11:45-23:58

2 stops44h 13m

£458

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 12/1

14:06-11:40

1 stop13h 34m

London Heathrow

Thu 22/1

12:30-21:20

1 stop16h 50m

£461

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 12/1

06:15-07:05

1 stop16h 50m

London Heathrow

Tue 20/1

11:05-21:28

1 stop18h 23m

£461

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 12/1

11:40-10:30

1 stop14h 50m

London Heathrow

Wed 21/1

12:20-22:07

1 stop17h 47m

£461

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 13/1

09:50-10:00

1 stop16h 10m

London Heathrow

Sat 31/1

11:20-19:12

1 stop15h 52m

£473

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 3/12

06:35-08:45

2 stops18h 10m

London Heathrow

Sat 13/12

12:20-18:56

1 stop14h 36m

£477

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 12/2

06:15-07:05

1 stop16h 50m

London Heathrow

Thu 19/2

11:05-20:53

1 stop17h 48m

£480

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 15/1

20:05-16:50

1 stop12h 45m

London Heathrow

Fri 23/1

11:20-19:12

1 stop15h 52m

£480

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 11/2

06:15-07:05

1 stop16h 50m

London Heathrow

Mon 16/2

11:05-20:53

1 stop17h 48m

£480

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 3/12

12:40-21:20

2 stops24h 40m

London Heathrow

Sat 13/12

07:40-17:52

2 stops18h 12m

£496

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 22 results
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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, California 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 31 October 2025.

To ensure you get the cheapest price possible for a flight from San Jose, California to London Heathrow Airport, you should look to book at least 49 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 San Jose, California to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from San Jose, California to London Heathrow Airport (average of £387). Flying from San Jose, California to London Heathrow Airport in June is currently the most expensive (average of £611). 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 4 November 2025.

It’s optimal to fly from San Jose, California to London Heathrow Airport in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at midday.

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, California to London Heathrow Airport?

    Airlines like Delta fly from San Jose, California to London Heathrow Airport in about 35h 19m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5352 mi.

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

    £295 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on KLM and United Airlines, with prices starting from £296 and £296, 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, California to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from San Jose, California to London Heathrow Airport (average of £387). Flying from San Jose, California to London Heathrow Airport in June is currently the most expensive (average of £611). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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Fly with Cheapflights

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How does Cheapflights help users find flights from San Jose to Heathrow?

When you search for this flight from San Jose to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from San Jose.

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

Certainly. Search results for flights to Heathrow from San Jose shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from San Jose to Heathrow 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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