Cheap Flights from Istanbul to London Heathrow

Compare Istanbul 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 Istanbul to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Istanbul to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Istanbul to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to London Heathrow flights are currently cheapest in July.

Direct flights from Istanbul to London Heathrow

Istanbul to London Heathrow: Alternative routes

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

Istanbul to London: Flight information

The things to know before you go.
Cheapest flight foundR 1,247
Cheapest month to flyJuly
Average flight time4 hrs, 7 mins
Most popular airlineSichuan Airlines
Average flights per week368

Finding cheap flights from Istanbul to London Heathrow: Frequently asked questions

The best price we found for a return flight from Istanbul to London Heathrow is R 3,505. 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.
4 hours and 7 minutes is the average flight time from Istanbul to London Heathrow.
Sichuan Airlines, Turkish Airlines and PIA fly direct from Istanbul to London Heathrow.
As of September 2025, there are 368 flights per week flying from Istanbul to London Heathrow.
The cheapest month to fly from Istanbul to London Heathrow is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Istanbul Airport to London Heathrow Airport on Friday, 13 March 2026.
Yes – the average flight time is 4 hours and 7 minutes.
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, British Airways offers the cheapest flight tickets to London Heathrow.

Flying from Istanbul Ataturk Airport (IST) to London Heathrow Airport (LHR): what you need to know

  • Hop on a direct flight from Istanbul Ataturk Airport to London Heathrow Airport and you'll be in the air for an average of 4 hours 5 minutes.

  • London's timezone is UTC+0, which makes London three hours behind Istanbul.

  • Flights from IST to LHR start at 07:50 — the earliest with Turkish Airlines. The last departure is at 21:05 with Turkish Airlines. Overall, there are 82 weekly Istanbul Ataturk Airport to London Heathrow Airport flights.

  • Your IST to LHR flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months like April, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during peak periods in general.

  • British Airways offers direct flights from Istanbul Ataturk Airport to London Heathrow Airport. Book with this popular carrier, then get ready to discover the sights in London — and maybe even more of United Kingdom if you have time.

  • Most passengers choose to travel with British Airways on this route.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Istanbul Ataturk Airport to London Heathrow Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour the city of your choice. Popular stopovers between IST and LHR include:

    • Berlin Brandenburg Airport

    • Sofia Airport

    • Zurich Airport

How to find the cheapest flights from Istanbul Ataturk Airport (IST) to London Heathrow Airport (LHR)

  • R 1,247 is the best price for a one-way Istanbul Ataturk Airport to London Heathrow Airport flight. Return flights start at R 3,505. These fares can change depending on demand.

  • Score cheap tickets from IST to LHR by booking at least one month ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for flights from Istanbul Ataturk Airport to London Heathrow Airport is December. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Save time searching for cheap flights from IST to LHR by creating a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.

  • Lock in the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Istanbul Ataturk Airport to London Heathrow Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Istanbul Ataturk Airport (IST)

  • To get to Istanbul Ataturk Airport from central Istanbul, it'll take about 50 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 48 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 1 hour 45 minutes.

  • Catching an early flight from Istanbul Ataturk Airport to London Heathrow Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels near IST:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to the centre of London has a drive time of around 55 minutes. It's approximately 31 kilometres away.

  • Travelling to the centre by public transport will take you around 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Istanbul Ataturk Airport to London Heathrow Airport is February, while July is the most popular. Pick the ideal time to go to London based on whether you prefer a more fast-paced or easygoing experience.

  • Book your flight from Istanbul Ataturk Airport to London Heathrow Airport for July if you'd like to visit London during its warmest month. You can expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from IST to LHR around that time if you want to travel when it's cooler.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered after you've seen London. Around 161 kilometres away to the north-west, popular attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Start your sightseeing at Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.