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Cheap flights from London Heathrow Airport to Istanbul from ₹ 10,660

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 Heathrow Airport to Istanbul departing on 31/10. 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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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

British Airways Logo
18:35 - 00:30LHR-IST
3h 55mdirect
British Airways Logo
19:55 - 21:55IST-LHR
4h 00mdirect
₹ 18,087British Airways
Find Deal
Tue, 7 Oct - Tue, 14 Oct
British Airways Logo
18:30 - 00:20LHR-IST
3h 50mdirect
British Airways Logo
17:35 - 19:35IST-LHR
4h 00mdirect
₹ 18,174British Airways
Find Deal
Sat, 27 Sep - Fri, 3 Oct
British Airways Logo
18:35 - 00:25LHR-IST
3h 50mdirect
British Airways Logo
17:35 - 19:35IST-LHR
4h 00mdirect
₹ 18,262British Airways
Find Deal
Mon, 13 Oct - Wed, 22 Oct
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
₹ 18,961
Find Deal
Fri, 6 Feb - Sun, 8 Feb
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
₹ 19,398KLM
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Tue, 16 Sep - Mon, 22 Sep
Air Serbia Logo
13:30 - 14:55LHR-IST
23h 25m1 stop
Air Serbia Logo
16:35 - 12:30IST-LHR
21h 55m1 stop
₹ 19,485Air Serbia
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Sat, 4 Oct - Thu, 9 Oct
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
₹ 19,747KLM
Find Deal
Wed, 10 Sep - Thu, 25 Sep
Turkish Airlines Logo
22:25 - 04:15LHR-IST
3h 50mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
₹ 22,456Turkish Airlines
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Fri, 5 Sep - Wed, 17 Sep
Air Serbia Logo
19:25 - 03:30LHR-IST
6h 05m1 stop
Air Serbia Logo
16:35 - 12:30IST-LHR
21h 55m1 stop
₹ 22,980Air Serbia
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Sun, 21 Sep - Thu, 9 Oct
Logo
15:15 - 13:30LHR-SAW
19h 15m1 stop
Logo
08:55 - 14:25SAW-LHR
8h 30m1 stop
₹ 25,252
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Mon, 12 Jan - Fri, 16 Jan

Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets
Turkish Airlines
5 Sept
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
12 Sept
IST20:25Istanbul
4h 00m
LHR22:25London Heathrow
₹ 22,456
Find similar
Turkish Airlines
4 Sept
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
11 Sept
IST20:30Istanbul
3h 55m
LHR22:25London Heathrow
₹ 22,543
Find similar
Turkish Airlines
4 Sept
LHR16:40London Heathrow
4h 00m
IST22:40Istanbul
21 Sept
IST09:45Istanbul
4h 00m
LHR11:45London Heathrow
₹ 23,592
Find similar

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
7 Oct
LHR18:35London Heathrow
3h 55m
IST00:30Istanbul
14 Oct
IST19:55Istanbul
4h 00m
LHR21:55London Heathrow
₹ 18,087
Find similar
British Airways
27 Sept
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
3 Oct
IST17:35Istanbul
4h 00m
LHR19:35London Heathrow
₹ 18,174
Find similar
British Airways
13 Oct
LHR18:35London Heathrow
3h 50m
IST00:25Istanbul
22 Oct
IST17:35Istanbul
4h 00m
LHR19:35London Heathrow
₹ 18,262
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 23 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

18:35-00:30

Nonstop3h 55m

Istanbul

Tue 14/10

19:55-21:55

Nonstop4h 00m

₹ 18,087

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 27/9

18:30-00:20

Nonstop3h 50m

Istanbul

Fri 3/10

17:35-19:35

Nonstop4h 00m

₹ 18,174

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 13/10

18:35-00:25

Nonstop3h 50m

Istanbul

Wed 22/10

17:35-19:35

Nonstop4h 00m

₹ 18,262

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/2

06:30-16:55

1 stop7h 25m

Istanbul

Sun 8/2

04:50-07:55

1 stop6h 05m

₹ 18,961

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 16/9

17:10-01:20

1 stop6h 10m

Istanbul

Mon 22/9

06:10-10:45

1 stop6h 35m

₹ 19,398

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

13:30-14:55

1 stop23h 25m

Istanbul

Thu 9/10

16:35-12:30

1 stop21h 55m

₹ 19,485

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 10/9

17:10-01:20

1 stop6h 10m

Istanbul

Thu 25/9

06:10-10:45

1 stop6h 35m

₹ 19,747

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/9

22:25-04:15

Nonstop3h 50m

Istanbul

Wed 17/9

20:30-22:25

Nonstop3h 55m

₹ 22,456

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 21/9

19:25-03:30

1 stop6h 05m

Istanbul

Thu 9/10

16:35-12:30

1 stop21h 55m

₹ 22,980

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Mon 12/1

15:15-13:30

1 stop19h 15m

Istanbul Sabiha Gokcen

Fri 16/1

08:55-14:25

1 stop8h 30m

₹ 25,252

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

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

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 cheapest month to fly to Istanbul?

The cheapest month to fly to Istanbul from London Heathrow Airport is in January. Flight prices, which tend to average around ₹ 18,087, are often lower during this time because this is during the off-season. If you don’t want to visit Istanbul in January, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of ₹ 18,699.

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

Our data shows that Tuesday is the least expensive day to fly to Istanbul. Tickets to fly out on this day can be as low as ₹ 57,856. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Istanbul for around ₹ 72,240.

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

The cheapest time of day to fly to Istanbul is at midday when flights can be purchased for as low as ₹ 20,835. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around ₹ 68,356.

What is the cheapest London Heathrow to Istanbul flight route?

Fly from London Heathrow to Istanbul Sabiha Gokcen for the best London Heathrow - Istanbul flight prices

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

You are more likely to see cheaper flights to Istanbul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around ₹ 25,718 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London Heathrow Airport for as low as ₹ 23,330 on momondo.

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

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

Cheap London Heathrow Airport to Istanbul flight deals and tips

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

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London Heathrow Airport to Istanbul takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul every day.
There are 2 airports near Istanbul: Istanbul Sabiha Gokcen (SAW), Istanbul (IST)
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  • How far is London Heathrow to Istanbul by plane?

    The distance between London Heathrow and Istanbul is about 2518.1 km. A reasonable flight in good conditions will take 3h 50m.

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

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

  • How many operators does momondo search for flights from London Heathrow Airport to Istanbul?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Istanbul.

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

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Istanbul

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom ₹ 15,647Free CancellationRating
6.7
7,297 reviews
Search British Airways flights
Turkish AirlinesPriceFrom ₹ 19,044Free CancellationRating
7.3
3,952 reviews
Search Turkish Airlines flights

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?

Flights from London to Istanbul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from London.

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

Price alerts on flights to Istanbul from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 33.6 km from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport