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Cheap Flights from London Heathrow to Istanbul

Travellers 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 return flight from London Heathrow to Istanbul? Find the lowest prices on one-way and return tickets right here.
Istanbul.SAR 427 per passenger.Departing Tue, 3 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 3 Feb, arriving in Istanbul.Price includes taxes and charges.From SAR 427, select.
Istanbul.SAR 428 per passenger.Departing Tue, 13 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 13 Jan, arriving in Istanbul.Price includes taxes and charges.From SAR 428, select.
Istanbul.SAR 441 per passenger.Departing Wed, 26 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 26 Nov, arriving in Istanbul.Price includes taxes and charges.From SAR 441, select.
Istanbul.SAR 442 per passenger.Departing Thu, 30 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 30 Oct, arriving in Istanbul.Price includes taxes and charges.From SAR 442, select.
Istanbul.SAR 446 per passenger.Departing Wed, 4 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 4 Mar, arriving in Istanbul.Price includes taxes and charges.From SAR 446, select.
Istanbul.SAR 446 per passenger.Departing Mon, 1 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 1 Dec, arriving in Istanbul.Price includes taxes and charges.From SAR 446, select.
Istanbul.SAR 446 per passenger.Departing Sat, 20 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sat, 20 Sep, arriving in Istanbul.Price includes taxes and charges.From SAR 446, select.
Istanbul.SAR 448 per passenger.Departing Fri, 31 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Fri, 31 Oct, arriving in Istanbul.Price includes taxes and charges.From SAR 448, select.

Find the cheapest month 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.
Mar
from SAR 797
Apr
from SAR 464
May
from SAR 472
Jun
from SAR 477
Jul
from SAR 542
Aug
from SAR 463
Sep
from SAR 446
Oct
from SAR 442
Nov
from SAR 441
Dec
from SAR 446
Jan
from SAR 428
Feb
from SAR 427

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 foundSAR 427
Cheapest month to flyFebruary
Average flight time3 hrs, 55 mins
Most popular airlineIndiGo
Average flights per week394

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

The best price we found for a return flight from London Heathrow to Istanbul is SAR 623. 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.
IndiGo, Air Canada and Turkish Airlines fly direct from London Heathrow to Istanbul.
As of March 2025, there are 394 flights per week flying from London Heathrow to Istanbul.
The cheapest month to fly from London Heathrow to Istanbul is usually March 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 Tuesday, 20 January 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.

How to find cheap flights to Istanbul from London Heathrow

Looking for cheap tickets from London Heathrow to Istanbul? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London Heathrow to Istanbul. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Istanbul from London Heathrow from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London Heathrow-Istanbul ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Istanbul from London Heathrow.
  • Set up a Price Alert. You can easily track the fare of your cheap London Heathrow-Istanbul flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London Heathrow and Istanbul? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from London Heathrow and Istanbul. We scour the internet for the best Business, Premium Economy and First Class flight fares to Istanbul, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London Heathrow to Istanbul flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Istanbul from London Heathrow with hotels and car hire

    Once you've secured your cheap flight ticket from London Heathrow to Istanbul, discover the best prices and exclusive rates for hotels in Istanbul or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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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.