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$302+ Cheap flights from San Jose (SJC) to Heathrow (LHR)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LHR
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to London Heathrow are usually found in October or August, booked 77 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 July 25, 2025.

Round-trip from

$508
(United Airlines)

One-way from

$302
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$804
From San Jose to London Heathrow
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One-way flight from San Jose to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 25, 2025.

This lol.travel deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:20 amSJC - LHR
1 stop21h 25mUnited Airlines
Tue 8/1911:25 amLHR - SJC
1 stop30h 26mUnited Airlines
Deal found 7/24$491
This Air Canada deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:20 pmSJC - LHR
2 stops33h 30mAir Canada
Thu 10/23:50 pmLHR - SJC
2 stops37h 16mAir Canada
Deal found 7/23$521
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:30 pmSJC - LHR
1 stop17h 00mDelta
Thu 10/211:30 amLHR - SJC
2 stops19h 25mDelta
Deal found 7/23$522
This Virgin Atlantic deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:14 amSJC - LHR
2 stops14h 36mVirgin Atlantic
Tue 8/266:30 amLHR - SJC
2 stops18h 34mVirgin Atlantic
Deal found 7/25$529
This KLM deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/62:32 pmSJC - LHR
1 stop15h 43mKLM
Tue 8/1910:55 amLHR - SJC
1 stop15h 34mKLM
Deal found 7/24$531

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 25, 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

Sun 9/21

8:45 am-9:40 am

1 stop16h 55m

London Heathrow

Wed 10/1

2:05 pm-10:24 pm

2 stops40h 19m

$508

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 9/8

6:20 pm-11:50 am

2 stops33h 30m

London Heathrow

Thu 10/2

3:50 pm-9:06 pm

2 stops37h 16m

$521

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 9/8

12:30 pm-1:30 pm

1 stop17h 00m

London Heathrow

Thu 10/2

11:30 am-10:55 pm

2 stops19h 25m

$522

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 8/12

11:14 am-9:50 am

2 stops14h 36m

London Heathrow

Tue 8/26

6:30 am-5:04 pm

2 stops18h 34m

$529

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/6

2:32 pm-2:15 pm

1 stop15h 43m

London Heathrow

Tue 8/19

10:55 am-6:29 pm

1 stop15h 34m

$531

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 9/17

6:00 am-10:00 pm

3 stops32h 00m

$302

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 9/22

6:00 am-10:50 am

1 stop20h 50m

$373

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 1/13

5:53 am-6:50 am

1 stop16h 57m

$384

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sat 8/16

7:00 am-10:00 am

2 stops43h 00m

$395

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Wed 8/27

6:30 am-6:55 am

2 stops16h 25m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 15 results
1
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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 round-trip 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 round-trip flight from San Jose to Heathrow. Price data was last updated on July 18, 2025.

To ensure you get the cheapest price possible for a flight from San Jose to London Heathrow Airport, you should look to book at least 77 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 to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from San Jose to London Heathrow Airport (average of $661). Flying from San Jose to London Heathrow Airport in June is currently the most expensive (average of $1,096). 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 July 25, 2025.

It’s typically best to fly out from San Jose to London Heathrow Airport in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Jose to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Jose to London Heathrow Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated July 25, 2025.
See what other customers who have flown with Delta, KLM, and Finnair from San Jose to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Delta
8.0
Very good
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
KLM
7.8
Good
1,375 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
United Airlines
7.4
Good
8,880 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,967 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 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?

    For a flight from San Jose to London Heathrow, 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 Heathrow per day. 6 airlines have flights to London Heathrow from San Jose on a regular basis.

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

    According to our current data, United Airlines ($508), Air Canada ($521), and Delta ($522) offers the cheapest pricing from San Jose to London Heathrow Airport. United Airlines is currently priced 33% below the average price you’ll pay for this route.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $373. Users have also found prices from $384 and $395 on Iberia and Air Canada, 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 vacation 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, November is the cheapest month in which you can book a flight from San Jose to London Heathrow Airport (average of $661). Flying from San Jose to London Heathrow Airport in June is currently the most expensive (average of $1,096). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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Top 6 airlines flying from San Jose to Heathrow

Discover the top 6 airlines that operate flights from San Jose to Heathrow. 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 2,558,603 searches. Data last updated July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$588Average$845FlexibilityNo cancel feeOn-time77%
DeltaCheapest$588Average$804FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$618Average$757FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$834FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$640Average$805FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$669Average$1,128FlexibilityNo cancel feeOn-time71%

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