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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 26/11. 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
17:30 - 00:25LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
€176British Airways
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Thu, 20 Nov - Mon, 24 Nov
British Airways Logo
17:55 - 00:50LHR-IST
3h 55mdirect
British Airways Logo
07:35 - 09:05IST-LHR
4h 30mdirect
€177British Airways
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Mon, 23 Feb - Wed, 4 Mar
British Airways Logo
06:55 - 13:50LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
€178British Airways
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Tue, 2 Dec - Mon, 8 Dec
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 08:00IST-LHR
6h 10m1 stop
€180Multiple Airlines
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Thu, 29 Jan - Wed, 18 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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Fri, 5 Dec - Sun, 7 Dec
Turkish Airlines Logo
16:35 - 23:25LHR-IST
3h 50mdirect
Turkish Airlines Logo
21:25 - 22:25IST-LHR
4h 00mdirect
€187Turkish Airlines
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Thu, 13 Nov - Tue, 18 Nov
Turkish Airlines Logo
16:35 - 23:25LHR-IST
3h 50mdirect
Turkish Airlines Logo
21:25 - 22:25IST-LHR
4h 00mdirect
€188Turkish Airlines
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Thu, 13 Nov - Tue, 18 Nov
Air Serbia Logo
13:30 - 03:35LHR-IST
12h 05m1 stop
Air Serbia Logo
04:20 - 18:45IST-LHR
16h 25m1 stop
€192Air Serbia
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Sat, 18 Apr - Sun, 26 Apr
Air Serbia Logo
19:55 - 03:35LHR-IST
5h 40m1 stop
Air Serbia Logo
16:35 - 18:45IST-LHR
28h 10m1 stop
€193Air Serbia
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Sat, 18 Apr - Sat, 23 May
Aegean Airlines Logo
22:15 - 10:35LHR-IST
9h 20m1 stop
Aegean Airlines Logo
16:50 - 21:15IST-LHR
7h 25m1 stop
€209Aegean Airlines
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Sun, 23 Nov - Sat, 29 Nov

British Airways flights from London Heathrow Airport to Istanbul Airport

Our best British Airways deals on London Heathrow Airport to Istanbul Airport flight tickets
British Airways
20 Nov
LHR17:30London Heathrow
3h 55m
IST00:25Istanbul
24 Nov
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
€176
Find similar
British Airways
23 Feb
LHR17:55London Heathrow
3h 55m
IST00:50Istanbul
4 Mar
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
€177
Find similar
British Airways
2 Dec
LHR06:55London Heathrow
3h 55m
IST13:50Istanbul
8 Dec
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
€178
Find similar

Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul Airport flight tickets
Turkish Airlines
13 Nov
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
18 Nov
IST21:25Istanbul
4h 00m
LHR22:25London Heathrow
€187
Find similar
Turkish Airlines
13 Nov
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
18 Nov
IST21:25Istanbul
4h 00m
LHR22:25London Heathrow
€188
Find similar
Turkish Airlines
24 Nov
LHR15:05London Heathrow
4h 00m
IST22:05Istanbul
1 Dec
IST21:25Istanbul
4h 00m
LHR22:25London Heathrow
€215
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Istanbul Airport 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 31 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 20/11

17:30-00:25

Nonstop3h 55m

Istanbul

Mon 24/11

18:40-19:55

Nonstop4h 15m

€176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 23/2

17:55-00:50

Nonstop3h 55m

Istanbul

Wed 4/3

07:35-09:05

Nonstop4h 30m

€177

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/12

06:55-13:50

Nonstop3h 55m

Istanbul

Mon 8/12

18:40-19:55

Nonstop4h 15m

€178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 29/1

06:30-16:55

1 stop7h 25m

Istanbul

Wed 18/2

04:50-08:00

1 stop6h 10m

€180

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Sun 7/12

04:50-07:55

1 stop6h 05m

€181

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 13/11

16:35-23:25

Nonstop3h 50m

Istanbul

Tue 18/11

21:25-22:25

Nonstop4h 00m

€187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 13/11

16:35-23:25

Nonstop3h 50m

Istanbul

Tue 18/11

21:25-22:25

Nonstop4h 00m

€188

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

€192

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 18/4

19:55-03:35

1 stop5h 40m

Istanbul

Sat 23/5

16:35-18:45

1 stop28h 10m

€193

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 23/11

22:15-10:35

1 stop9h 20m

Istanbul

Sat 29/11

16:50-21:15

1 stop7h 25m

€209

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 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 Heathrow Airport 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 January, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around €185.

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

The cheapest day to depart from London Heathrow Airport to Istanbul Airport is on a Monday when prices can be found for as low as €97. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Friday is €994.

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 evening. Flights from London Heathrow Airport to Istanbul Airport during this time can be as low as €260. Try not to purchase tickets in the afternoon because they tend to be around €605. 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 Airport?

You are more likely to see cheaper flights to Istanbul Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around €256 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from London Heathrow Airport for as low as €230 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.

Can stopping save me money on London Heathrow Airport to Istanbul Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a London Heathrow Airport to Istanbul Airport flight.

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

As of October 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 47% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Istanbul Airport

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

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

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

Fastest flight time

3h 50m

Direct flights

Every day
The fastest flight from London Heathrow Airport to Istanbul Airport takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul Airport every day.
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    London Heathrow and Istanbul are 2486.0 km apart from one another. A reasonable flight in good conditions will take 3h 50m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to Istanbul Airport?

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Istanbul. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Istanbul from London which offer a flexible booking policy as well as other useful filters and features.

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?

If you are not ready to book a flight from London to Istanbul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Istanbul and let you know when they change.

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