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Cheap flights from London Heathrow Airport to Istanbul from €104

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 12/11. 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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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
07:00 - 13:55LHR-IST
3h 55mdirect
British Airways Logo
15:15 - 16:40IST-LHR
4h 25mdirect
€176British Airways
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Fri, 21 Nov - Mon, 8 Dec
British Airways Logo
18:15 - 01:10LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
€177British Airways
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Fri, 16 Jan - Mon, 26 Jan
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
€180Multiple Airlines
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Thu, 26 Feb - Sat, 28 Feb
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
€181Multiple Airlines
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Tue, 27 Jan - Mon, 9 Feb
Turkish Airlines Logo
11:30 - 18:25LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:55 - 16:05IST-LHR
4h 10mdirect
€186Turkish Airlines
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Wed, 26 Nov - Wed, 3 Dec
Air Serbia Logo
19:25 - 15:55LHR-IST
18h 30m1 stop
Air Serbia Logo
15:40 - 12:35IST-LHR
22h 55m1 stop
€189Air Serbia
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Sun, 29 Mar - Fri, 3 Apr
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€190KLM
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Wed, 26 Nov - Thu, 4 Dec
Air Serbia Logo
13:30 - 03:35LHR-IST
12h 05m1 stop
Air Serbia Logo
04:20 - 18:45IST-LHR
16h 25m1 stop
€191Air Serbia
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Sat, 18 Apr - Sun, 26 Apr
Turkish Airlines Logo
06:35 - 13:35LHR-IST
4h 00mdirect
Turkish Airlines Logo
21:25 - 22:25IST-LHR
4h 00mdirect
€197Turkish Airlines
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Thu, 13 Nov - Tue, 18 Nov
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€218KLM
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Fri, 13 Feb - Sun, 15 Feb

Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets
Turkish Airlines
26 Nov
LHR11:30London Heathrow
3h 55m
IST18:25Istanbul
3 Dec
IST14:55Istanbul
4h 10m
LHR16:05London Heathrow
€186
Find similar
Turkish Airlines
13 Nov
LHR06:35London Heathrow
4h 00m
IST13:35Istanbul
18 Nov
IST21:25Istanbul
4h 00m
LHR22:25London Heathrow
€197
Find similar
Turkish Airlines
24 Nov
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
2 Dec
IST15:45Istanbul
4h 10m
LHR16:55London Heathrow
€198
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Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets
Air Serbia
29 Mar
LHR19:25London Heathrow
18h 30m
1 stop
IST15:55Istanbul
3 Apr
IST15:40Istanbul
22h 55m
1 stop
LHR12:35London Heathrow
€189
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Air Serbia
18 Apr
LHR13:30London Heathrow
12h 05m
1 stop
IST03:35Istanbul
26 Apr
IST04:20Istanbul
16h 25m
1 stop
LHR18:45London Heathrow
€191
Find similar
Air Serbia
1 Feb
LHR13:20London Heathrow
23h 35m
1 stop
IST15:55Istanbul
6 Feb
IST16:40Istanbul
22h 40m
1 stop
LHR12:20London Heathrow
€223
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 13,528 searches. Data last updated 29 October 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

Fri 21/11

07:00-13:55

Nonstop3h 55m

Istanbul

Mon 8/12

15:15-16:40

Nonstop4h 25m

€176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 16/1

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 26/1

18:40-19:55

Nonstop4h 15m

€177

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 26/2

06:30-16:55

1 stop7h 25m

Istanbul

Sat 28/2

04:50-07:55

1 stop6h 05m

€180

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 27/1

06:30-16:55

1 stop7h 25m

Istanbul

Mon 9/2

04:50-07:55

1 stop6h 05m

€181

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 26/11

11:30-18:25

Nonstop3h 55m

Istanbul

Wed 3/12

14:55-16:05

Nonstop4h 10m

€186

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 29/3

19:25-15:55

1 stop18h 30m

Istanbul

Fri 3/4

15:40-12:35

1 stop22h 55m

€189

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 26/11

06:30-16:55

1 stop7h 25m

Istanbul

Thu 4/12

17:55-20:50

1 stop5h 55m

€190

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 18/4

13:30-03:35

1 stop12h 05m

Istanbul

Sun 26/4

04:20-18:45

1 stop16h 25m

€191

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 13/11

06:35-13:35

Nonstop4h 00m

Istanbul

Tue 18/11

21:25-22:25

Nonstop4h 00m

€197

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 13/2

06:30-16:55

1 stop7h 25m

Istanbul

Sun 15/2

17:55-20:50

1 stop5h 55m

€218

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 month of March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €184.

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

The cheapest day to depart from London Heathrow Airport to Istanbul is on a Monday. Travellers who choose to depart for Istanbul on a Monday will often find tickets for as low as €97. 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 €988.

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

Our most recent data shows that the best time of day to fly to Istanbul is in the evening. Flights from London Heathrow Airport to Istanbul during this time can be as low as €258. Try not to purchase tickets in the afternoon because they tend to be around €602. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Istanbul flight route?

Fly from London Heathrow to Istanbul 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 €254 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 €229 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 40m

Direct flights

Every day

Airports in Istanbul

1 airport
The fastest flight from London Heathrow Airport to Istanbul takes 3h 40m
Direct flights go from London Heathrow Airport to Istanbul every day.
There is 1 airport near Istanbul: Istanbul (IST)
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    A flight from London Heathrow to Istanbul will travel around 2518.1 km. 3h 50m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Istanbul are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Istanbul.

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

    The travel and health documents you'll need for your trip to Istanbul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Istanbul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Istanbul . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Istanbul.

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

Of course. momondo tracks the price of London to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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