Cheap flights from London Heathrow Airport to Istanbul from €105

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 4/3. 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.
Turkish Airlines Logo
16:35 - 23:25
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
13:50 - 14:55
IST
-
LHR
4h 05mdirect
€172Turkish Airlines
Fri, 6 Mar - Mon, 9 Mar
Turkish Airlines Logo
17:45 - 00:35
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
15:10 - 16:10
IST
-
LHR
4h 00mdirect
€173Turkish Airlines
Tue, 24 Feb - Thu, 5 Mar
Turkish Airlines Logo
20:00 - 02:55
LHR
-
IST
3h 55mdirect
Turkish Airlines Logo
21:25 - 22:25
IST
-
LHR
4h 00mdirect
€174Turkish Airlines
Tue, 3 Mar - Mon, 9 Mar
Turkish Airlines Logo
22:35 - 04:15
LHR
-
IST
3h 40mdirect
Turkish Airlines Logo
15:00 - 16:50
IST
-
LHR
3h 50mdirect
€175Turkish Airlines
Fri, 8 May - Wed, 13 May
Turkish Airlines Logo
22:35 - 04:15
LHR
-
IST
3h 40mdirect
Turkish Airlines Logo
09:40 - 11:40
IST
-
LHR
4h 00mdirect
€176Turkish Airlines
Tue, 21 Apr - Mon, 27 Apr
Turkish Airlines Logo
18:25 - 00:10
LHR
-
IST
3h 45mdirect
Turkish Airlines Logo
09:40 - 11:40
IST
-
LHR
4h 00mdirect
€176Turkish Airlines
Tue, 21 Apr - Mon, 27 Apr
British Airways Logo
10:30 - 17:25
LHR
-
IST
3h 55mdirect
British Airways Logo
14:55 - 16:20
IST
-
LHR
4h 25mdirect
€177British Airways
Sat, 21 Feb - Tue, 24 Feb
British Airways Logo
10:30 - 17:25
LHR
-
IST
3h 55mdirect
British Airways Logo
08:15 - 09:45
IST
-
LHR
4h 30mdirect
€178British Airways
Sat, 21 Feb - Mon, 2 Mar
British Airways Logo
07:00 - 13:55
LHR
-
IST
3h 55mdirect
British Airways Logo
08:15 - 09:45
IST
-
LHR
4h 30mdirect
€179British Airways
Sat, 21 Feb - Mon, 2 Mar
Multiple Airlines Logo
06:30 - 16:55
LHR
-
IST
7h 25m
1 stop
Multiple Airlines Logo
04:50 - 07:55
IST
-
LHR
6h 05m
1 stop
€180Multiple Airlines
Sun, 1 Mar - Tue, 3 Mar

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
6 Mar
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
9 Mar
IST13:50Istanbul
4h 05m
LHR14:55London Heathrow
€172
Turkish Airlines
24 Feb
LHR17:45London Heathrow
3h 50m
IST00:35Istanbul
5 Mar
IST15:10Istanbul
4h 00m
LHR16:10London Heathrow
€173
Turkish Airlines
3 Mar
LHR20:00London Heathrow
3h 55m
IST02:55Istanbul
9 Mar
IST21:25Istanbul
4h 00m
LHR22:25London Heathrow
€174

Scandinavian Airlines flights from London Heathrow Airport to Istanbul Airport

Our best Scandinavian Airlines deals on London Heathrow Airport to Istanbul Airport flight tickets
Scandinavian Airlines
21 May
LHR18:40London Heathrow
7h 00m
1 stop
IST03:40Istanbul
27 May
IST04:30Istanbul
16h 00m
1 stop
LHR18:30London Heathrow
€197
Scandinavian Airlines
7 May
LHR18:40London Heathrow
7h 00m
1 stop
IST03:40Istanbul
21 May
IST04:30Istanbul
6h 50m
1 stop
LHR09:20London Heathrow
€213
Scandinavian Airlines
21 May
LHR18:40London Heathrow
7h 00m
1 stop
IST03:40Istanbul
26 May
IST04:30Istanbul
13h 30m
1 stop
LHR16:00London Heathrow
€214

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 1 February 2026.
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

Fri 6/3

16:35-23:25

Nonstop3h 50m

Istanbul

Mon 9/3

13:50-14:55

Nonstop4h 05m

€172

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

17:45-00:35

Nonstop3h 50m

Istanbul

Thu 5/3

15:10-16:10

Nonstop4h 00m

€173

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 3/3

20:00-02:55

Nonstop3h 55m

Istanbul

Mon 9/3

21:25-22:25

Nonstop4h 00m

€174

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 8/5

22:35-04:15

Nonstop3h 40m

Istanbul

Wed 13/5

15:00-16:50

Nonstop3h 50m

€175

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 21/4

22:35-04:15

Nonstop3h 40m

Istanbul

Mon 27/4

09:40-11:40

Nonstop4h 00m

€176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 21/4

18:25-00:10

Nonstop3h 45m

Istanbul

Mon 27/4

09:40-11:40

Nonstop4h 00m

€176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 21/2

10:30-17:25

Nonstop3h 55m

Istanbul

Tue 24/2

14:55-16:20

Nonstop4h 25m

€177

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 21/2

10:30-17:25

Nonstop3h 55m

Istanbul

Mon 2/3

08:15-09:45

Nonstop4h 30m

€178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 21/2

07:00-13:55

Nonstop3h 55m

Istanbul

Mon 2/3

08:15-09:45

Nonstop4h 30m

€179

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/3

06:30-16:55

1 stop7h 25m

Istanbul

Tue 3/3

04:50-07:55

1 stop6h 05m

€180

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 March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around €195.

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 €95. 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 €1,001.

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 €321. Try not to purchase tickets in the morning because they tend to be around €650. 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 €253 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 21% 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 February 2026, prices for London Heathrow Airport to Istanbul Airport flights are approximately 31% 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

21h 30m

Direct flights

Every day
The fastest flight from London Heathrow Airport to Istanbul Airport takes 21h 30m
Direct flights go from London Heathrow Airport to Istanbul Airport every day.
  • 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 21h 30m.

  • 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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Tue 3/3
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