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Cheap Flights from San Jose International to London Heathrow

Compare San Jose International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from San Jose International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from San Jose International Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 15,505. Find the lowest prices on one-way and return tickets right here.
London.R 4,380 per passenger.Departing Tue, 2 Feb.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Tue, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 4,380, select.
London.R 4,639 per passenger.Departing Tue, 20 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Tue, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 4,639, select.
London.R 5,099 per passenger.Departing Wed, 30 Dec.One-way flight with KLM.Outbound indirect flight with KLM, departs from San Jose International on Wed, 30 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 5,099, select.
London.R 5,282 per passenger.Departing Wed, 18 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Wed, 18 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 5,282, select.
London.R 5,347 per passenger.Departing Sat, 23 Jan.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Sat, 23 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,347, select.
London.R 5,390 per passenger.Departing Mon, 5 Apr.One-way flight with United.Outbound indirect flight with United, departs from San Jose International on Mon, 5 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,390, select.
London.R 5,484 per passenger.Departing Tue, 23 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Jose International on Tue, 23 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,484, select.
London.R 6,537 per passenger.Departing Wed, 16 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Wed, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 6,537, select.
London.R 6,984 per passenger.Departing Fri, 14 May.One-way flight with Air France.Outbound indirect flight with Air France, departs from San Jose International on Fri, 14 May, arriving in London Heathrow.Price includes taxes and charges.From R 6,984, select.
London.R 7,012 per passenger.Departing Tue, 25 Aug.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Tue, 25 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 7,012, select.
London.R 7,556 per passenger.Departing Tue, 15 Jun.One-way flight with Air France.Outbound indirect flight with Air France, departs from San Jose International on Tue, 15 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 7,556, select.
London.R 10,112 per passenger.Departing Wed, 29 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Jose International on Wed, 29 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 10,112, select.

Find the cheapest month to fly from San Jose International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Jose International to London Heathrow flights are currently cheapest in February.
Jul
from R 10,112
Aug
from R 7,012
Sep
from R 6,537
Oct
from R 4,639
Nov
from R 5,282
Dec
from R 5,099
Jan
from R 5,347
Feb
from R 4,380
Mar
from R 5,484
Apr
from R 5,390
May
from R 6,984
Jun
from R 7,556

San Jose International to London Heathrow: Alternative routes

Compare routes from San Jose International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

London City

12km from central London
Closest
from R 5,755
Search flights

London Heathrow

23km from central London
Cheapest
from R 4,372
Search flights

London Gatwick

40km from central London
from R 4,672
Search flights

London Luton

45km from central London
from R 6,033
Search flights

London Stansted

49km from central London
from R 5,498
Search flights

London Southend

57km from central London
from R 6,818
Search flights

San Jose to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,380
Cheapest month to flyFebruary

Finding cheap flights from San Jose International to London Heathrow: Frequently asked questions

The best price we found for a return flight from San Jose International to London Heathrow is R 12,402. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Jose International to London Heathrow. But we found flights with one or more stops from R 12,402.
As of July 2026, there are no flights flying from San Jose International to London Heathrow.
The cheapest month to fly from San Jose International to London Heathrow is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Jose International Airport to London Heathrow Airport on Monday, 28 September 2026.
No airlines currently offer direct flights between San Jose International Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Alaska Airlines offers the cheapest flight tickets to London Heathrow.

Travelling from San Jose International Airport (SJC) to London Heathrow Airport (LHR): what you need to know

  • The timezone in London is UTC+0, which is eight hours ahead of San Jose.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to board your SJC to LHR flight.

  • During popular months like July, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a peak period in general.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from San Jose International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Popular stopovers between SJC and LHR include:

    • Denver International Airport

    • Los Angeles International Airport

    • Seattle / Tacoma International Airport

How to find the cheapest flights from San Jose International Airport (SJC) to London Heathrow Airport (LHR)

  • Currently, R 4,380 is the lowest price we've seen for a one-way San Jose International Airport to London Heathrow Airport flight. The best price for a return plane ticket is R 12,402. Keep in mind that fares may change due to demand when booking.

  • It's usually best to book early if you're looking for cheap tickets from SJC to LHR. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' tool. It'll show you the cheapest price across each month when searching for a flight from San Jose International Airport to London Heathrow Airport.

  • Finding cheap flights from SJC to LHR is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a new discounted fare appears.

  • Tailor your trip with filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from San Jose International Airport to London Heathrow Airport.

Handy information about San Jose International Airport (SJC)

  • You'll find SJC at 1701 Airport Boulevard, Suite B-1130.

  • San Jose International Airport scores top marks for on-time performance. 83% of flights that take off from SJC land on time.

  • To reach San Jose International Airport from central San Jose, it'll take around 10 minutes by car. Of course, this depends on traffic. It's approximately 6 kilometres from the airport to the city centre.

  • The trip when using public transport will take about 30 minutes.

  • Get your travels off to a stress-free start by staying near SJC. Whether you're catching an early flight from San Jose International Airport to London Heathrow Airport or just don't like being rushed, these hotels are perfect:

Arriving at London Heathrow Airport (LHR)

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from San Jose International Airport to London Heathrow Airport is March, while July is the busiest. Pick the best time to go to London based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from San Jose International Airport to London Heathrow Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from SJC to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

  • London is always a good idea, but there are so many other corners of the United Kingdom just waiting to be explored. About 257 kilometres north-west of London, a trip to Manchester will keep you on the go. Start with attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

  • Birmingham is another essential stop in the United Kingdom and is around 161 kilometres north-west of London. No journey is complete without seeing Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

Plan the rest of your trip from San Jose to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.