Cheap Flights from Istanbul (IST) to London (LHR)

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

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Flight deals from Istanbul to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Istanbul Airport to London Heathrow Airport? If you want to travel next month, return fares start from $303. Find the lowest prices on one-way and return tickets right here.

London.$300 per passenger.Departing Thu, 1 Oct, returning Wed, 7 Oct.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Thu, 1 Oct, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 7 Oct, arriving in Istanbul.Price includes taxes and charges.From $300, select.

London.$303 per passenger.Departing Thu, 17 Sep, returning Mon, 28 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Thu, 17 Sep, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Mon, 28 Sep, arriving in Istanbul.Price includes taxes and charges.From $303, select.

London.$304 per passenger.Departing Thu, 25 Feb, returning Mon, 1 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Thu, 25 Feb, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Mon, 1 Mar, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Tue, 8 Dec, returning Tue, 8 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Tue, 8 Dec, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Tue, 8 Dec, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Fri, 15 Jan, returning Wed, 20 Jan.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Fri, 15 Jan, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 20 Jan, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Wed, 3 Feb, returning Wed, 3 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Wed, 3 Feb, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 3 Feb, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Sat, 30 Jan, returning Thu, 4 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Sat, 30 Jan, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 4 Feb, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Thu, 17 Sep, returning Thu, 8 Oct.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Thu, 17 Sep, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 8 Oct, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Mon, 15 Mar, returning Wed, 17 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Mon, 15 Mar, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 17 Mar, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$304 per passenger.Departing Wed, 9 Dec, returning Wed, 10 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Wed, 9 Dec, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 10 Feb, arriving in Istanbul.Price includes taxes and charges.From $304, select.

London.$305 per passenger.Departing Mon, 25 Jan, returning Mon, 1 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Mon, 25 Jan, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Mon, 1 Mar, arriving in Istanbul.Price includes taxes and charges.From $305, select.

London.$305 per passenger.Departing Thu, 22 Apr, returning Wed, 28 Apr.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Thu, 22 Apr, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Wed, 28 Apr, arriving in Istanbul.Price includes taxes and charges.From $305, select.

London.$305 per passenger.Departing Mon, 16 Nov, returning Mon, 23 Nov.Return flight with Air Serbia.Outbound indirect flight with Air Serbia, departs from Istanbul on Mon, 16 Nov, arriving in London Heathrow.Inbound indirect flight with Air Serbia, departs from London Heathrow on Mon, 23 Nov, arriving in Istanbul.Price includes taxes and charges.From $305, select.

London.$306 per passenger.Departing Sat, 28 Nov, returning Tue, 1 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Sat, 28 Nov, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Tue, 1 Dec, arriving in Istanbul.Price includes taxes and charges.From $306, select.

London.$306 per passenger.Departing Sat, 17 Oct, returning Sun, 1 Nov.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Istanbul on Sat, 17 Oct, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Sun, 1 Nov, arriving in Istanbul.Price includes taxes and charges.From $306, select.

London.$306 per passenger.Departing Mon, 21 Dec, returning Sun, 3 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Istanbul on Mon, 21 Dec, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 3 Jan, arriving in Istanbul.Price includes taxes and charges.From $306, select.

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 October.

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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 found	$300
Cheapest month to fly	October
Average flight time	4 hrs, 6 mins
Most popular airline	Turkish Airlines
Average flights per week	253

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

How much are return flights from Istanbul to London Heathrow?

The best price we found for a return flight from Istanbul to London Heathrow is $300. 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.

How long does it take to fly from Istanbul to London Heathrow?

4 hours and 6 minutes is the average flight time from Istanbul to London Heathrow.

Which airlines fly direct from Istanbul to London Heathrow?

Turkish Airlines, British Airways and Sichuan Airlines fly direct from Istanbul to London Heathrow.

How many flights are there a week from Istanbul to London Heathrow?

As of August 2026, there are 306 flights per week flying from Istanbul to London Heathrow.

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

The cheapest month to fly from Istanbul to London Heathrow is usually October.

Which upcoming date is cheapest to fly from Istanbul Airport to London Heathrow Airport on?

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 Thursday, 1 October 2026.

Can I get a direct flight from Istanbul Airport to London Heathrow Airport?

Yes – the average flight time is 4 hours and 6 minutes.

How can I find the best flight deal to London Heathrow?

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.

When is the best time to book flights to London?

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.

Which is the cheapest airline to fly from Istanbul Airport to London Heathrow with?

Currently, Lufthansa and British Airways offer the cheapest flight tickets to London Heathrow.

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

Jump on a direct flight from Istanbul Airport to London Heathrow Airport and you'll be travelling for an average of 4 hours 5 minutes.
London is three hours behind Istanbul and observes the UTC+0 timezone.
Each week, there are 60 Istanbul Airport to London Heathrow Airport flights. If you prefer to jet off as soon as possible, pick the 07:35 British Airways flight. If you're eager to make the most of your time before flying, the last flight is at 21:10 with Turkish Airlines.
Arrive at the airport on time so you don't miss your IST to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
Travelling during a peak month like August? Public holidays and other high seasons can lead to longer lines and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.
Turkish Airlines offers direct flights from Istanbul Airport to London Heathrow Airport. Book with this popular carrier, then get ready to tick off the sights in London — and maybe even more of the United Kingdom if time allows.
Turkish Airlines is the top choice for travellers on this route.
We make it easy to book a flight with a stopover. To see your options for tickets from Istanbul Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Worthwhile stopovers between IST and LHR include:
- Munich Airport
- Zurich Airport
- Berlin Brandenburg Airport

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

The lowest price we've seen for a one-way Istanbul Airport to London Heathrow Airport flight is $118. A round-trip fare right now is $300. Depending on the availability when you book, these fares could change.
Book seven months before flying. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from IST to LHR.
The cheapest month for flights from Istanbul Airport to London Heathrow Airport is December. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.
Finding cheap flights from IST to LHR is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a better deal.
Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Istanbul Airport to London Heathrow Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Istanbul Airport (IST)

To reach Istanbul Airport from central Istanbul, it takes around 45 minutes if you're planning to drive. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.
The journey on public transport will take about 1 hour 10 minutes.
Searching for a convenient hotel near IST? If you're catching an early flight from Istanbul Airport to London Heathrow Airport, these stays will put you moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

The last thing you want is a lengthy trip to your hotel if you're getting in late on a Istanbul Airport to London Heathrow Airport flight. Stay at one of these accommodation options near LHR instead:
Explore without limits with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and find adventure across London and beyond.
Get the best deal by reserving your ride from London Heathrow Airport around one week in advance of your trip.

When to fly to London Heathrow Airport (LHR)

July is the busiest month for flights from Istanbul Airport to London Heathrow Airport. To escape the crowds, go to London in March.
Before locking in your flight from Istanbul Airport to London Heathrow Airport, consider the kind of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).
Search for cheap tickets from IST to LHR in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

London has plenty going for it, but there are so many other corners of the United Kingdom waiting to be discovered. Around 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.
If you want to check out another great destination in the United Kingdom, consider Birmingham, roughly 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among the biggest draws.