Cheap flights from San Jose to London Heathrow Airport from £203
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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 15 August 2025.
Find flight deals from San Jose to Heathrow
Cheapest flights from San Jose to HeathrowExplore 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 15 August 2025.
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 15 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Jose to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Wed 29/10
08:00-06:50
1 stop15h 50m
London Heathrow
Wed 26/11
08:20-20:49
1 stop20h 29m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Tue 14/10
08:00-09:00
1 stop17h 00m
London Heathrow
Thu 6/11
14:20-22:16
1 stop15h 56m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Tue 30/9
08:00-06:25
1 stop14h 25m
London Heathrow
Thu 9/10
08:20-16:54
1 stop16h 34m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Wed 12/11
06:30-05:55
1 stop15h 25m
London Heathrow
Tue 18/11
13:25-18:48
2 stops37h 23m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Tue 11/11
06:30-11:15
1 stop20h 45m
London Heathrow
Tue 18/11
13:25-18:48
2 stops37h 23m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Mon 12/1
05:53-10:00
1 stop20h 07m
London Heathrow
Mon 2/2
19:05-10:05
2 stops23h 00m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Mon 22/9
06:00-06:25
1 stop16h 25m
London Heathrow
Wed 1/10
10:30-21:08
1 stop18h 38m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Wed 17/9
06:35-11:00
3 stops44h 25m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Fri 26/9
18:45-10:20
3 stops55h 35m
San JoseLondon
SJC - LHR
SJCLHR
San Jose
Wed 15/10
10:53-14:15
2 stops43h 22m
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.
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 8 August 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 15 August 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.
What’s the top stopover airport for flights from San Jose to London Heathrow Airport?
Share of one-stop return flights from San Jose to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Denver (DEN) – chosen by Cheapflights users on 75% of one-stop itineraries from San Jose to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from San Jose to London Heathrow Airport?
Average return fare for one-stop flights from San Jose to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Denver (DEN) is the most affordable one-stop option, with an average return flight price of £462.
What’s the fastest stopover option from San Jose to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from San Jose to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 12h 30m.
Which airport typically offers the quickest stopover for flights from San Jose to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from San Jose to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 0h 53m.
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.
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Alternative routes for San Jose to Heathrow
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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.