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Cheap flights from San Jose, California to London Heathrow Airport from £237

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LHR
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Jose to London Heathrow are usually found in February or April, booked 68 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 25 November 2025.

Round-trip from

£448

One-way from

£237

Popular in

November

Cheapest in

February

Average price

£909
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/2-27/2
  • 4 total stops
  • 45h 20m total
  • San Jose to London
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28/1
  • 28/1
  • 3 total stops
  • 46h 35m total
  • San Jose to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
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 25 November 2025.

Tue 25/1112:30SJC - LHR
1 stop13h 10mUnited Airlines
Wed 3/1206:35LHR - SJC
2 stops19h 16mUnited Airlines
Deal found 23/11£470
Tue 25/1112:30SJC - LHR
1 stop13h 10mLufthansa
Thu 11/1206:35LHR - SJC
2 stops22h 52mLufthansa
Deal found 23/11£485
Wed 26/1108:45SJC - LHR
1 stop16h 55mLufthansa
Thu 11/1206:35LHR - SJC
2 stops22h 52mLufthansa
Deal found 23/11£489
Fri 28/1108:45SJC - LHR
1 stop16h 55mLufthansa
Fri 5/1206:30LHR - SJC
2 stops19h 21mLufthansa
Deal found 24/11£490
Sun 23/1119:04SJC - LHR
1 stop30h 56mDelta
Fri 12/1211:20LHR - SJC
1 stop14h 58mDelta
Deal found 23/11£492
Mon 8/1208:45SJC - LHR
2 stops15h 10mUnited Airlines
Thu 25/1211:35LHR - SJC
1 stop17h 41mUnited Airlines
Deal found 23/11£496
Fri 28/1105:45SJC - LHR
2 stops16h 40mDelta
Fri 5/1206:30LHR - SJC
2 stops16h 33mDelta
Deal found 23/11£498
Mon 1/1206:00SJC - LHR
1 stop20h 00mBritish Airways
Wed 10/1210:15LHR - SJC
1 stop18h 21mBritish Airways
Deal found 24/11£506
Sun 7/1208:45SJC - LHR
2 stops38h 25mAir Canada
Sun 14/1218:00LHR - SJC
2 stops35h 27mAir Canada
Deal found 24/11£507
Wed 3/1211:13SJC - LHR
1 stop13h 22mBritish Airways
Tue 9/1211:55LHR - SJC
1 stop16h 41mBritish Airways
Deal found 22/11£508

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 25 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

Thu 12/2

13:55-17:40

2 stops19h 45m

London Heathrow

Fri 20/2

06:40-20:19

2 stops21h 39m

£456

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 23/2

15:40-21:35

3 stops21h 55m

London Heathrow

Fri 27/2

07:05-20:19

3 stops21h 14m

£476

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Thu 8/1

08:40-09:40

1 stop17h 00m

London Heathrow

Thu 15/1

11:10-20:56

2 stops41h 46m

£485

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 10/12

12:40-09:40

1 stop13h 00m

London Heathrow

Thu 25/12

11:35-21:16

1 stop17h 41m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 8/12

08:45-09:40

1 stop16h 55m

London Heathrow

Tue 23/12

07:25-22:34

1 stop23h 09m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 8/12

12:40-09:40

1 stop13h 00m

London Heathrow

Wed 24/12

11:35-21:16

1 stop17h 41m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 10/12

12:40-09:40

1 stop13h 00m

London Heathrow

Tue 23/12

10:25-22:34

1 stop20h 09m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 9/12

08:45-09:40

1 stop16h 55m

London Heathrow

Tue 23/12

10:25-22:34

1 stop20h 09m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 8/12

12:40-09:40

1 stop13h 00m

London Heathrow

Thu 25/12

11:35-21:16

1 stop17h 41m

£492

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 7/12

16:00-07:10

2 stops31h 10m

£296

Flights are sorted by cheapest return flights first.

Deals found on 23/11

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, 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 21 November 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 68 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 £379). Flying from San Jose, California to London Heathrow Airport in June is currently the most expensive (average of £616). 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 25 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 Scandinavian Airlines and United Airlines fly from San Jose, California to London Heathrow Airport in about 17h. The time it takes to get you to your destination can typically vary by up to 2h 45m. Airlines will cover a distance of 5352 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    £296 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from £297 and £297, 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 £379). Flying from San Jose, California to London Heathrow Airport in June is currently the most expensive (average of £616). 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
Swindon
Crawley
Brentford
Romford
Chichester
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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