How often are flights from London to Istanbul delayed?

Historically, on average around 10% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

What is the most punctual flight time for London to Istanbul flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Istanbul flights?

According to our data, Turkish Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from London Heathrow to Istanbul?

Air Serbia is the most popular carrier operating from London Heathrow to Istanbul

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.

€103 Cheap Flights from London Heathrow Airport to Istanbul in 2026

Q: How many flights depart from London Heathrow Airport to Istanbul on average per day?

The number of flights available between London Heathrow Airport and Istanbul is 29 per day as of January 2026. The most frequent departure time is 22:00, with 40% of daily flights leaving in the afternoon.

1 adult

0 bags

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Istanbul

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

10:30 - 17:25

LHR

IST

3h 55mdirect

07:35 - 09:05

IST

LHR

4h 30mdirect

€159British Airways

Mon, 2 Mar - Tue, 3 Mar

07:00 - 13:55

LHR

IST

3h 55mdirect

08:15 - 10:30

IST

LHR

4h 15mdirect

€160British Airways

Sat, 21 Mar - Sun, 29 Mar

18:50 - 00:40

LHR

IST

3h 50mdirect

18:30 - 20:30

IST

LHR

4h 00mdirect

€161British Airways

Fri, 8 May - Sat, 9 May

07:40 - 13:35

LHR

IST

3h 55mdirect

19:25 - 21:25

IST

LHR

4h 00mdirect

€162British Airways

Tue, 21 Apr - Wed, 6 May

18:35 - 00:25

LHR

IST

3h 50mdirect

14:35 - 16:45

IST

LHR

4h 10mdirect

€162British Airways

Mon, 27 Apr - Tue, 12 May

17:30 - 00:25

LHR

IST

3h 55mdirect

07:35 - 09:05

IST

LHR

4h 30mdirect

€167British Airways

Thu, 5 Mar - Wed, 11 Mar

18:15 - 01:10

LHR

IST

3h 55mdirect

08:15 - 09:45

IST

LHR

4h 30mdirect

€167British Airways

Fri, 6 Mar - Mon, 9 Mar

17:45 - 00:35

LHR

IST

3h 50mdirect

14:50 - 16:00

IST

LHR

4h 10mdirect

€171Turkish Airlines

Thu, 19 Feb - Mon, 2 Mar

22:35 - 05:25

LHR

IST

3h 50mdirect

12:15 - 13:30

IST

LHR

4h 15mdirect

€172Turkish Airlines

Thu, 5 Feb - Mon, 9 Feb

20:50 - 18:20

LHR

SAW

18h 30m

1 stop

09:20 - 14:45

SAW

LHR

8h 25m

1 stop

€223Multiple Airlines

Thu, 19 Feb - Mon, 2 Mar

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets

British Airways

2 Mar

LHR10:30London Heathrow

3h 55m

IST17:25Istanbul

3 Mar

IST07:35Istanbul

4h 30m

LHR09:05London Heathrow

€159

British Airways

21 Mar

LHR07:00London Heathrow

3h 55m

IST13:55Istanbul

28 Mar

IST18:40Istanbul

4h 15m

LHR19:55London Heathrow

€160

British Airways

8 May

LHR18:50London Heathrow

3h 50m

IST00:40Istanbul

9 May

IST18:30Istanbul

4h 00m

LHR20:30London Heathrow

€161

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets

Air Serbia

24 Feb

LHR13:20London Heathrow

23h 35m

1 stop

IST15:55Istanbul

26 Feb

IST05:20Istanbul

10h 00m

1 stop

LHR12:20London Heathrow

€188

Air Serbia

11 Feb

LHR13:20London Heathrow

11h 50m

1 stop

IST04:10Istanbul

19 Feb

IST05:20Istanbul

10h 00m

1 stop

LHR12:20London Heathrow

€189

Air Serbia

25 May

LHR13:30London Heathrow

12h 10m

1 stop

IST03:40Istanbul

7 Jun

IST04:30Istanbul

10h 00m

1 stop

LHR12:30London Heathrow

€191

momondo Fare Finder

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 2/3

10:30-17:25

Nonstop3h 55m

Istanbul

Tue 3/3

07:35-09:05

Nonstop4h 30m

€159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 21/3

07:00-13:55

Nonstop3h 55m

Istanbul

Sun 29/3

08:15-10:30

Nonstop4h 15m

€160

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 8/5

18:50-00:40

Nonstop3h 50m

Istanbul

Sat 9/5

18:30-20:30

Nonstop4h 00m

€161

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 21/4

07:40-13:35

Nonstop3h 55m

Istanbul

Wed 6/5

19:25-21:25

Nonstop4h 00m

€162

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 27/4

18:35-00:25

Nonstop3h 50m

Istanbul

Tue 12/5

14:35-16:45

Nonstop4h 10m

€162

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/3

17:30-00:25

Nonstop3h 55m

Istanbul

Wed 11/3

07:35-09:05

Nonstop4h 30m

€167

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/3

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 9/3

08:15-09:45

Nonstop4h 30m

€167

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 19/2

17:45-00:35

Nonstop3h 50m

Istanbul

Mon 2/3

14:50-16:00

Nonstop4h 10m

€171

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

22:35-05:25

Nonstop3h 50m

Istanbul

Mon 9/2

12:15-13:30

Nonstop4h 15m

€172

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Thu 19/2

20:50-18:20

1 stop18h 30m

Istanbul Sabiha Gokcen

Mon 2/3

09:20-14:45

1 stop8h 25m

€223

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Istanbul?

The month of January is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €192.

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 €96. 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 €984.

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 €257. Try not to purchase tickets in the afternoon because they tend to be around €600. 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 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 €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 from London Heathrow Airport for as low as €232 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	6h 40m
Direct flights	Every day
Airports in Istanbul	2 airports

The fastest flight from London Heathrow Airport to Istanbul takes 6h 40m

Direct flights go from London Heathrow Airport to Istanbul every day.

There are 2 airports in Istanbul. From London Heathrow Airport there are direct flights to 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. 6h 40m 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.

An easier way to manage your Istanbul trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 20/2

Fri 27/2

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Istanbul Airport

Istanbul Sabiha Gokcen Airport

Cheap flights from London Heathrow Airport to Istanbul from €103

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Istanbul that are best for you.

See travel insights to Istanbul from

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

What is the cheapest month to fly to Istanbul?

The month of January is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €192.

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

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

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?

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.

What is the cheapest airline that flies from London Heathrow to Istanbul?

Air Serbia is the most popular carrier operating from London Heathrow to Istanbul

How often are flights from London to Istanbul delayed?

Historically, on average around 10% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

What is the most punctual flight time for London to Istanbul flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Istanbul flights?

According to our data, Turkish Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Istanbul on average per day?

The number of flights available between London Heathrow Airport and Istanbul is 29 per day as of January 2026. The most frequent departure time is 22:00, with 40% of daily flights leaving in the afternoon.

How many flights depart from London Heathrow Airport to Istanbul on average per week?

As of January 2026, 209 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

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

Direct flights

Airports in Istanbul

How far is London Heathrow to Istanbul by plane?

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

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Istanbul trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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