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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 7/10. 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
07:25 - 14:20LHR-IST
3h 55mdirect
British Airways Logo
08:10 - 09:40IST-LHR
4h 30mdirect
€160British Airways
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Mon, 9 Mar - Fri, 13 Mar
British Airways Logo
17:10 - 00:05LHR-IST
3h 55mdirect
British Airways Logo
08:20 - 09:50IST-LHR
4h 30mdirect
€172British Airways
Find Deal
Tue, 24 Feb - Sun, 1 Mar
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, 18 Nov - Mon, 24 Nov
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 08:00IST-LHR
6h 10m1 stop
€182Multiple Airlines
Find Deal
Thu, 6 Nov - Tue, 18 Nov
Air Serbia Logo
13:20 - 04:25LHR-IST
12h 05m1 stop
Air Serbia Logo
17:35 - 12:20IST-LHR
21h 45m1 stop
€189Air Serbia
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Fri, 7 Nov - Sat, 15 Nov
Air Serbia Logo
13:30 - 14:55LHR-IST
23h 25m1 stop
Air Serbia Logo
05:20 - 12:20IST-LHR
10h 00m1 stop
€190Air Serbia
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Tue, 14 Oct - Tue, 4 Nov
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€192KLM
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Fri, 5 Dec - Sat, 13 Dec
Turkish Airlines Logo
22:25 - 04:15LHR-IST
3h 50mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
€196Turkish Airlines
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Tue, 7 Oct - Tue, 14 Oct
Turkish Airlines Logo
16:40 - 22:40LHR-IST
4h 00mdirect
Turkish Airlines Logo
14:45 - 16:40IST-LHR
3h 55mdirect
€197Turkish Airlines
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Thu, 2 Oct - Wed, 8 Oct
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€198KLM
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Wed, 12 Nov - Sat, 15 Nov

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
9 Mar
LHR07:25London Heathrow
3h 55m
IST14:20Istanbul
13 Mar
IST08:10Istanbul
4h 30m
LHR09:40London Heathrow
€160
Find similar
British Airways
24 Feb
LHR17:10London Heathrow
3h 55m
IST00:05Istanbul
1 Mar
IST08:20Istanbul
4h 30m
LHR09:50London Heathrow
€172
Find similar
British Airways
22 Nov
LHR07:00London Heathrow
3h 55m
IST13:55Istanbul
30 Nov
IST21:20Istanbul
4h 15m
LHR22:35London Heathrow
€173
Find similar

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets
Air Serbia
7 Nov
LHR13:20London Heathrow
12h 05m
1 stop
IST04:25Istanbul
15 Nov
IST17:35Istanbul
21h 45m
1 stop
LHR12:20London Heathrow
€189
Find similar
Air Serbia
14 Oct
LHR13:30London Heathrow
23h 25m
1 stop
IST14:55Istanbul
4 Nov
IST05:20Istanbul
10h 00m
1 stop
LHR12:20London Heathrow
€190
Find similar
Air Serbia
9 Nov
LHR13:20London Heathrow
12h 05m
1 stop
IST04:25Istanbul
14 Nov
IST05:20Istanbul
10h 00m
1 stop
LHR12:20London Heathrow
€191
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 18 September 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

Mon 9/3

07:25-14:20

Nonstop3h 55m

Istanbul

Fri 13/3

08:10-09:40

Nonstop4h 30m

€160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

17:10-00:05

Nonstop3h 55m

Istanbul

Sun 1/3

08:20-09:50

Nonstop4h 30m

€172

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 18/11

06:30-16:55

1 stop7h 25m

Istanbul

Mon 24/11

04:50-07:55

1 stop6h 05m

€181

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/11

06:30-16:55

1 stop7h 25m

Istanbul

Tue 18/11

04:50-08:00

1 stop6h 10m

€182

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 7/11

13:20-04:25

1 stop12h 05m

Istanbul

Sat 15/11

17:35-12:20

1 stop21h 45m

€189

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 14/10

13:30-14:55

1 stop23h 25m

Istanbul

Tue 4/11

05:20-12:20

1 stop10h 00m

€190

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Sat 13/12

17:55-20:50

1 stop5h 55m

€192

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

22:25-04:15

Nonstop3h 50m

Istanbul

Tue 14/10

20:30-22:25

Nonstop3h 55m

€196

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/10

16:40-22:40

Nonstop4h 00m

Istanbul

Wed 8/10

14:45-16:40

Nonstop3h 55m

€197

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 12/11

06:30-16:55

1 stop7h 25m

Istanbul

Sat 15/11

17:55-20:50

1 stop5h 55m

€198

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 €182.

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 €123. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Istanbul for around €806.

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 afternoon. Flights from London Heathrow Airport to Istanbul during this time can be as low as €180. Try not to purchase tickets in the morning because they tend to be around €545. 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 €248 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 €225 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 45m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London Heathrow Airport to Istanbul takes 3h 45m
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?

    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