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Cheap flights from San Jose to London from £149

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LON
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from San Jose to London are usually found in October or August, booked 13 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 13 June 2025.

Round-trip from

£385

One-way from

£149

Popular in

June

Cheapest in

October

Average price

£820
Delta
  • Delta
  • 12/8-19/8
  • 3 total stops
  • 40h 52m total
  • San Jose to London
16/7
  • 16/7
  • 2 total stops
  • 34h 33m total
  • San Jose to London
Highest demand for flights based on searches. 18% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from San Jose to London

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 13 June 2025.

Mon 8/917:44SJC - LHR
1 stop15h 31mDelta
Thu 2/1011:30LHR - SJC
2 stops18h 16mDelta
Deal found 12/6£385
Tue 8/714:31SJC - LHR
1 stop13h 49mUnited Airlines
Fri 8/814:50LHR - SJC
1 stop14h 12mUnited Airlines
Deal found 11/6£428
Tue 16/915:45SJC - LHR
2 stops33h 50mAir Canada
Tue 23/917:40LHR - SJC
2 stops31h 37mAir Canada
Deal found 12/6£446
Sun 17/806:30SJC - LGW
2 stops19h 30mDelta
Tue 26/812:00LGW - SJC
2 stops31h 10mDelta
Deal found 11/6£452
Mon 21/713:30SJC - LHR
1 stop12h 20mVirgin Atlantic
Tue 5/810:55LHR - SJC
1 stop20h 41mVirgin Atlantic
Deal found 11/6£454
Sat 23/813:09SJC - LHR
1 stop33h 16mIberia
Wed 17/906:30LHR - SJC
2 stops22h 38mIberia
Deal found 12/6£456
Tue 12/813:09SJC - LHR
1 stop13h 41mBritish Airways
Tue 19/808:20LHR - SJC
1 stop16h 16mBritish Airways
Deal found 12/6£460
Wed 3/906:15SJC - LGW
1 stop20h 40mMultiple Airlines
Thu 11/910:45LGW - SJC
1 stop15h 40mMultiple Airlines
Deal found 13/6£461
Sun 27/714:32SJC - LHR
1 stop12h 48mMultiple Airlines
Sun 3/809:55LHR - SJC
1 stop14h 58mMultiple Airlines
Deal found 12/6£466
Tue 16/906:00SJC - LGW
2 stops18h 10mAmerican Airlines
Tue 23/914:30LGW - SJC
2 stops30h 09mAmerican Airlines
Deal found 13/6£474
Thu 31/713:34SJC - LHR
1 stop15h 36mKLM
Thu 7/813:05LHR - SJC
1 stop17h 45mKLM
Deal found 11/6£476
Tue 11/1112:30SJC - LHR
2 stops22h 20mLufthansa
Wed 19/1107:40LHR - SJC
2 stops21h 13mLufthansa
Deal found 12/6£487

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 13 June 2025.
Use the filters below to find and compare flights from San Jose to London that are best for you.

Fly from

San Jose

Fly to

London

Route

Depart

Return

Price

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 12/8

06:30-13:30

1 stop23h 00m

London Heathrow

Tue 19/8

06:15-16:07

2 stops17h 52m

£385

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 2/9

14:31-14:15

1 stop15h 44m

London Heathrow

Thu 11/9

12:25-21:00

1 stop16h 35m

£392

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 16/7

14:31-12:20

1 stop13h 49m

London Heathrow

Wed 23/7

08:30-22:35

1 stop22h 05m

£428

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 16/9

15:45-09:35

2 stops33h 50m

London Heathrow

Tue 23/9

17:40-17:17

2 stops31h 37m

£446

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 28/7

14:32-14:15

1 stop15h 43m

London Heathrow

Mon 4/8

12:25-20:26

1 stop16h 01m

£452

San JoseLondon

SJC - LGW

SJCLGW

San Jose

Sun 17/8

06:30-10:00

2 stops19h 30m

London Gatwick

Tue 26/8

12:00-11:10

2 stops31h 10m

£452

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 21/7

13:30-09:50

1 stop12h 20m

London Heathrow

Tue 5/8

10:55-23:36

1 stop20h 41m

£454

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 23/8

13:09-06:25

1 stop33h 16m

London Heathrow

Wed 17/9

06:30-21:08

2 stops22h 38m

£456

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 12/8

13:09-10:50

1 stop13h 41m

London Heathrow

Tue 19/8

08:20-16:36

1 stop16h 16m

£460

San JoseLondon

SJC - LGW

SJCLGW

San Jose

Tue 7/10

19:53-10:55

1 stop31h 02m

London Gatwick

Fri 24/10

10:55-22:46

1 stop19h 51m

£467

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 48 results
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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

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

Use this chart to determine the optimal time to book a return flight from San Jose to London. Price data was last updated on 9 June 2025.

The best time to book flights from San Jose to London is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Jose to London (average of £112). Flying from San Jose to London 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 LON?

Find hourly flight availability from San Jose to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from San Jose to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 5% versus a flight at midday.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from San Jose to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 1 airline has flights to London from San Jose on a regular basis.

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

    Flying on Delta is currently your cheapest option to London, with prices starting at £385. Additional return tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at £392 and £428, respectively. These flights start at 32% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as £283. However, be on the lookout for offers from Delta and British Airways, as they are both options that can get you from San Jose to London for a low price.

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

  • 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 to London?

    Currently, January is the cheapest month in which you can book a flight from San Jose to London (average of £112). Flying from San Jose to London 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 San Jose?

Book flights to San Jose if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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Top airline flying from San Jose to London

Discover the top airline that operate flights from San Jose to London. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£419Average£468FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

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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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