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Cheap flights from London Heathrow to Istanbul

Travelers and cabin class

Compare London Heathrow to Istanbul flight deals

Find the cheapest month or even day of the year to fly to Istanbul

Book the best Istanbul fare with no extra fees

Flight deals from London Heathrow to Istanbul

Looking for a cheap last-minute deal or the best round-trip flight from London Heathrow to Istanbul? Find the lowest prices on one-way and round-trip tickets right here.
Istanbul.C$236 per passenger.Departing Fri, Feb 20, returning Wed, Feb 25.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Feb 20, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Wed, Feb 25, arriving in London Heathrow.Price includes taxes and charges.From C$236, select.
Istanbul.C$237 per passenger.Departing Fri, Feb 27, returning Wed, Mar 4.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Feb 27, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Wed, Mar 4, arriving in London Heathrow.Price includes taxes and charges.From C$237, select.
Istanbul.C$238 per passenger.Departing Thu, Mar 12, returning Wed, Mar 18.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Thu, Mar 12, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Wed, Mar 18, arriving in London Heathrow.Price includes taxes and charges.From C$238, select.
Istanbul.C$242 per passenger.Departing Fri, Jan 9, returning Fri, Mar 13.Round-trip flight with Aegean Airlines and British Airways.Outbound indirect flight with Aegean Airlines, departing from London Heathrow on Fri, Jan 9, arriving in Istanbul.Inbound indirect flight with British Airways, departing from Istanbul on Fri, Mar 13, arriving in London Heathrow.Price includes taxes and charges.From C$242, select.
Istanbul.C$242 per passenger.Departing Mon, Jan 26, returning Mon, Feb 9.Round-trip flight with Aegean Airlines and British Airways.Outbound indirect flight with Aegean Airlines, departing from London Heathrow on Mon, Jan 26, arriving in Istanbul.Inbound indirect flight with British Airways, departing from Istanbul on Mon, Feb 9, arriving in London Heathrow.Price includes taxes and charges.From C$242, select.
Istanbul.C$243 per passenger.Departing Tue, Nov 18, returning Tue, Nov 25.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Tue, Nov 18, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Tue, Nov 25, arriving in London Heathrow.Price includes taxes and charges.From C$243, select.
Istanbul.C$243 per passenger.Departing Mon, Dec 29, returning Tue, Feb 3.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Mon, Dec 29, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Tue, Feb 3, arriving in London Heathrow.Price includes taxes and charges.From C$243, select.
Istanbul.C$243 per passenger.Departing Tue, Jan 27, returning Tue, Mar 3.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Tue, Jan 27, arriving in Istanbul.Inbound direct flight with British Airways departing from Istanbul on Tue, Mar 3, arriving in London Heathrow.Price includes taxes and charges.From C$243, select.

When is the cheapest time to fly from London Heathrow to Istanbul?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Istanbul flights are currently cheapest in February.
Apr
from C$392
May
from C$277
Jun
from C$280
Jul
from C$313
Aug
from C$447
Sep
from C$265
Oct
from C$252
Nov
from C$243
Dec
from C$243
Jan
from C$243
Feb
from C$236
Mar
from C$238

Direct flights from London Heathrow to Istanbul

London Heathrow to Istanbul: Alternative routes

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

London to Istanbul: Flight information

The things to know before you go.
Cheapest flight foundC$236
Cheapest month to flyFebruary
Average flight time3 hrs, 55 mins
Most popular airlineAir Canada
Average flights per week338

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

The best price we found for a round-trip flight from London Heathrow to Istanbul is C$236. 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.
3 hours and 55 minutes is the average flight time from London Heathrow to Istanbul.
Air Canada, IndiGo and Sichuan Airlines fly direct from London Heathrow to Istanbul.
There are 289 flights per week flying from London Heathrow to Istanbul, as of April 2025.
The cheapest month to fly from London Heathrow to Istanbul is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Istanbul Airport on Friday, February 20, 2026.
Yes – the average flight time is 3 hours and 55 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 Istanbul 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 Istanbul 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 Istanbul.

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

  • Book a direct flight from London Heathrow Airport to Istanbul Ataturk Airport and you'll be in the air for an average of 3 hours 55 minutes.

  • Istanbul is three hours ahead of London and observes the UTC+3 timezone.

  • Flights from LHR to IST start at 06:15 — the earliest with British Airways. The latest departure is at 22:35 with Turkish Airlines. Overall, you can choose from 240 weekly London Heathrow Airport to Istanbul Ataturk Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your LHR to IST flight.

  • During popular months such as July, it's best to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during peak periods in general.

  • British Airways is your gateway to discovering Istanbul (and perhaps some other exciting parts of Türkiye (Turkey)!). Browse the direct flights from London Heathrow Airport to Istanbul Ataturk Airport offered by this popular airline.

  • The airline most travellers fly with on this route is British Airways.

  • If you'd like to split up your journey, just deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Istanbul Ataturk Airport. These are the most popular stopovers between LHR and IST:

    • Bucharest Henri Coanda International Airport

    • Dusseldorf International Airport

    • Franz Josef Strauss Airport

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

  • C$157 is currently the best price for a one-way London Heathrow Airport to Istanbul Ataturk Airport flight. Return flights start at C$236. These prices can change based on demand.

  • Score cheap tickets from LHR to IST by booking two months ahead. According to our research, that's the sweet spot for finding a bargain.

  • January is the cheapest month for flights from London Heathrow Airport to Istanbul Ataturk Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Save time searching for cheap flights from LHR to IST by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

  • Tailor your flights using filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from London Heathrow Airport to Istanbul Ataturk Airport.

Handy information about London Heathrow Airport (LHR)

  • Of all flights leaving London Heathrow Airport, 68.18% land on time at their destination.

  • Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take you about 55 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The trip when using public transport typically takes 1 hour.

  • Need a convenient hotel near LHR? If you're boarding an early flight from London Heathrow Airport to Istanbul Ataturk Airport, these stays will put you moments from your departure gate:

Arriving at Istanbul Ataturk Airport (IST)

  • If you have a late London Heathrow Airport to Istanbul Ataturk Airport flight, nothing tops the convenience of being near the terminal. Grab your luggage from the carousel and then be showered and sleeping shortly after at one of these accommodation options near IST:

  • Grab an Istanbul Ataturk Airport rental car and explore Istanbul and beyond with your own wheels. Hit, Avec car rentals and Eren Rent a Car are popular providers you can book with here.

  • To secure the lowest price, reserve your ride from Istanbul Ataturk Airport about two weeks ahead.

Getting from Istanbul Ataturk Airport (IST) to central Istanbul

  • Istanbul Ataturk Airport is roughly 48 kilometres from central Istanbul. The drive time takes about 50 minutes.

  • If you're taking public transport, expect a journey of roughly 1 hour 45 minutes.

When to fly to Istanbul Ataturk Airport (IST)

  • April is the busiest month for flights from London Heathrow Airport to Istanbul Ataturk Airport. To skip the crowds, travel to Istanbul in February.

  • The warmest month in Istanbul is August, with the temperature ranging between 20ºC (68ºF) and 30ºC (86ºF). Book your flights from London Heathrow Airport to Istanbul Ataturk Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from LHR to IST in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 2ºC (36ºF) and 11ºC (52ºF) on average.

Explore more of Türkiye (Turkey)

  • Istanbul has loads to offer, but there are so many other corners of Türkiye (Turkey) just waiting to be explored. Around 354 kilometres east of Istanbul, a visit to Ankara will keep you on the move. Check out popular attractions like Museum of Anatolian Civilizations, Kocatepe Mosque (Kocatepe Camii) and Genclik Park.

  • Around 322 kilometres south-west of Istanbul, Izmir is another favourite stop in Türkiye (Turkey). Get a taste of what this destination has to offer at Kordonboyu, Kadifekale Castle and Konak Square.

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Plan the rest of your trip from London to Istanbul

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