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Cheap flights from London to Istanbul Airport from €112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Istanbul Airport departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Istanbul.
British Airways Logo
18:35 - 00:30LHR-IST
3h 55mdirect
British Airways Logo
20:25 - 22:25IST-LHR
4h 00mdirect
€166British Airways
Find Deal
Tue, 30 Sep - Fri, 3 Oct
British Airways Logo
18:35 - 00:25LHR-IST
3h 50mdirect
British Airways Logo
17:35 - 19:35IST-LHR
4h 00mdirect
€185British Airways
Find Deal
Mon, 5 May - Mon, 12 May
KLM Logo
06:30 - 16:20LHR-IST
7h 50m1 stop
KLM Logo
17:05 - 20:55IST-LHR
5h 50m1 stop
€190KLM
Find Deal
Fri, 9 May - Wed, 14 May
Turkish Airlines Logo
16:40 - 22:40LHR-IST
4h 00mdirect
Turkish Airlines Logo
13:45 - 15:55IST-LHR
4h 10mdirect
€194Turkish Airlines
Find Deal
Tue, 3 Jun - Wed, 11 Jun
KLM Logo
06:30 - 16:20LHR-IST
7h 50m1 stop
KLM Logo
17:05 - 20:55IST-LHR
5h 50m1 stop
€197KLM
Find Deal
Sat, 10 May - Wed, 21 May
Turkish Airlines Logo
19:05 - 01:00LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:45 - 16:40IST-LHR
3h 55mdirect
€200Turkish Airlines
Find Deal
Fri, 9 May - Wed, 14 May
Air Serbia Logo
13:30 - 15:50LHR-IST
24h 20m1 stop
Air Serbia Logo
15:40 - 12:30IST-LHR
22h 50m1 stop
€211Air Serbia
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Mon, 20 Oct - Wed, 22 Oct
Air Serbia Logo
19:25 - 15:50LHR-IST
18h 25m1 stop
Air Serbia Logo
04:30 - 12:30IST-LHR
10h 00m1 stop
€212Air Serbia
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Sun, 11 May - Mon, 19 May
 Logo
15:00 - 03:25LHR-IST
10h 25m1 stop
 Logo
19:50 - 21:50IST-LHR
4h 00mdirect
€214
Find Deal
Thu, 8 May - Sat, 17 May
 Logo
15:00 - 03:25LHR-IST
10h 25m1 stop
 Logo
17:05 - 07:40IST-LHR
16h 35m1 stop
€266
Find Deal
Thu, 8 May - Sat, 17 May

KLM flights from London to Istanbul Airport

Our best KLM deals on London to Istanbul Airport flight tickets
KLM
9 May
LHR06:30London Heathrow
7h 50m
1 stop
IST16:20Istanbul
14 May
IST17:05Istanbul
5h 50m
1 stop
LHR20:55London Heathrow
KLM
10 May
LHR06:30London Heathrow
7h 50m
1 stop
IST16:20Istanbul
21 May
IST17:05Istanbul
5h 50m
1 stop
LHR20:55London Heathrow
KLM
9 May
LHR08:40London Heathrow
5h 40m
1 stop
IST16:20Istanbul
14 May
IST17:05Istanbul
5h 50m
1 stop
LHR20:55London Heathrow

Turkish Airlines flights from London to Istanbul Airport

Our best Turkish Airlines deals on London to Istanbul Airport flight tickets
Turkish Airlines
3 Jun
LHR16:40London Heathrow
4h 00m
IST22:40Istanbul
11 Jun
IST13:45Istanbul
4h 10m
LHR15:55London Heathrow
Turkish Airlines
9 May
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
14 May
IST14:45Istanbul
3h 55m
LHR16:40London Heathrow
Turkish Airlines
9 May
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
14 May
IST20:30Istanbul
3h 55m
LHR22:25London Heathrow

See travel insights to Istanbul from

How to get the cheapest flight ticket from London to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Istanbul Airport?

What is the cheapest month to fly to Istanbul Airport?

If you are unable to visit Istanbul Airport during the month of March, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around €90.

What is the cheapest day to depart on your flight to Istanbul Airport?

The cheapest day to depart from London to Istanbul Airport is on a Wednesday when prices can be found for as low as €141. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Sunday is €683.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

Our most recent data shows that the best time of day to fly to Istanbul Airport is in the afternoon. Flights from London to Istanbul Airport during this time can be as low as €223. Try not to purchase tickets at midday because they tend to be around €614. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Istanbul flight route?

Fly from London Gatwick to Istanbul for the best London - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from London when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around €255 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from London for as low as €237 on momondo.

What cabin class options are available on London to Istanbul flights?

There are 2 cabin classes available to choose from on London to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Istanbul Airport flight prices changed over time?

As of April 2025, prices for London to Istanbul Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from London to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Istanbul Airport (LON to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Istanbul Airport

Best price found

€112

Fastest flight time

3h 50m

Direct flights

Every day
The best one-way flight to Istanbul Airport from London in the past 72 hours is €112. The best return flight deal from London to Istanbul Airport found on momondo in the last 72 hours is €166.
The fastest flight from London to Istanbul Airport takes 3h 50m
Direct flights go from London to Istanbul Airport every day.

  • How far is London to Istanbul by plane?

    London and Istanbul are 2464.8 km apart from one another. Typically, this will take 3h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from London to Istanbul Airport?

    Prices for flights from London to Istanbul Airport were last updated today.

  • How old do you have to be to fly from London to Istanbul Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Istanbul Airport?

  • What is the most popular airline from London to Istanbul Airport?


Why use momondo?

Why should I use momondo to find a flight deal from London to Istanbul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Istanbul from London.

Can I find flights from London to Istanbul with flexible booking policies on momondo?

Yes. All flights to Istanbul from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Istanbul?

momondo provides multiple filters to help you find the best flight to Istanbul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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