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

Air Serbia, KLM, and Turkish Airlines are the most popular carriers operating from London Heathrow to Istanbul

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.

How often are flights from London to Istanbul delayed?

Historically, on average around 11% 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 128 minutes.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

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.

€104 Cheap Flights from London Heathrow Airport to Istanbul in 2025/26

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

As of December 2025, 250 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 18% of weekly flights taking off on this day.

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 35 per day as of December 2025. The most frequent departure time is 16:00, with 39% of daily flights leaving at midday.

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Find the cheapest flights from London Heathrow Airport to Istanbul

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Enter your travel dates to find the best prices.

07:00 - 13:55

LHR

IST

3h 55mdirect

15:15 - 16:40

IST

LHR

4h 25mdirect

€176British Airways

Fri, 30 Jan - Mon, 2 Feb

06:30 - 16:55

LHR

IST

7h 25m1 stop

04:50 - 10:30

IST

LHR

8h 40m1 stop

€180Multiple Airlines

Tue, 27 Jan - Thu, 29 Jan

06:30 - 16:55

LHR

IST

7h 25m1 stop

04:50 - 07:55

IST

LHR

6h 05m1 stop

€181Multiple Airlines

Thu, 8 Jan - Thu, 29 Jan

16:35 - 23:25

LHR

IST

3h 50mdirect

14:55 - 16:05

IST

LHR

4h 10mdirect

€182Turkish Airlines

Thu, 8 Jan - Wed, 14 Jan

17:10 - 00:05

LHR

IST

3h 55mdirect

15:15 - 16:40

IST

LHR

4h 25mdirect

€183British Airways

Tue, 6 Jan - Mon, 2 Feb

17:45 - 00:35

LHR

IST

3h 50mdirect

15:45 - 16:55

IST

LHR

4h 10mdirect

€185Turkish Airlines

Tue, 10 Mar - Tue, 17 Mar

06:30 - 16:55

LHR

IST

7h 25m1 stop

04:50 - 08:00

IST

LHR

6h 10m1 stop

€188Multiple Airlines

Tue, 24 Feb - Mon, 2 Mar

13:20 - 15:55

LHR

IST

23h 35m1 stop

05:20 - 12:20

IST

LHR

10h 00m1 stop

€189Air Serbia

Tue, 3 Feb - Thu, 5 Feb

17:10 - 00:05

LHR

IST

3h 55mdirect

18:45 - 20:00

IST

LHR

4h 15mdirect

€190British Airways

Tue, 6 Jan - Wed, 28 Jan

06:35 - 13:35

LHR

IST

4h 00mdirect

14:55 - 16:05

IST

LHR

4h 10mdirect

€191Turkish Airlines

Thu, 8 Jan - Wed, 14 Jan

Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets

Turkish Airlines

8 Jan

LHR16:35London Heathrow

3h 50m

IST23:25Istanbul

14 Jan

IST14:55Istanbul

4h 10m

LHR16:05London Heathrow

€182

Find similar

Turkish Airlines

10 Mar

LHR17:45London Heathrow

3h 50m

IST00:35Istanbul

17 Mar

IST15:45Istanbul

4h 10m

LHR16:55London Heathrow

€185

Find similar

Turkish Airlines

8 Jan

LHR06:35London Heathrow

4h 00m

IST13:35Istanbul

14 Jan

IST14:55Istanbul

4h 10m

LHR16:05London Heathrow

€191

Find similar

British Airways flights from London Heathrow Airport to Istanbul

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

British Airways

30 Jan

LHR07:00London Heathrow

3h 55m

IST13:55Istanbul

2 Feb

IST15:15Istanbul

4h 25m

LHR16:40London Heathrow

€176

Find similar

British Airways

6 Jan

LHR17:10London Heathrow

3h 55m

IST00:05Istanbul

2 Feb

IST15:15Istanbul

4h 25m

LHR16:40London Heathrow

€183

Find similar

British Airways

6 Jan

LHR17:10London Heathrow

3h 55m

IST00:05Istanbul

28 Jan

IST18:45Istanbul

4h 15m

LHR20:00London Heathrow

€190

Find similar

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

Fri 30/1

07:00-13:55

Nonstop3h 55m

Istanbul

Mon 2/2

15:15-16:40

Nonstop4h 25m

€176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 27/1

06:30-16:55

1 stop7h 25m

Istanbul

Thu 29/1

04:50-10:30

1 stop8h 40m

€180

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 8/1

06:30-16:55

1 stop7h 25m

Istanbul

Thu 29/1

04:50-07:55

1 stop6h 05m

€181

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 8/1

16:35-23:25

Nonstop3h 50m

Istanbul

Wed 14/1

14:55-16:05

Nonstop4h 10m

€182

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 6/1

17:10-00:05

Nonstop3h 55m

Istanbul

Mon 2/2

15:15-16:40

Nonstop4h 25m

€183

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 10/3

17:45-00:35

Nonstop3h 50m

Istanbul

Tue 17/3

15:45-16:55

Nonstop4h 10m

€185

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

06:30-16:55

1 stop7h 25m

Istanbul

Mon 2/3

04:50-08:00

1 stop6h 10m

€188

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 3/2

13:20-15:55

1 stop23h 35m

Istanbul

Thu 5/2

05:20-12:20

1 stop10h 00m

€189

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 6/1

17:10-00:05

Nonstop3h 55m

Istanbul

Wed 28/1

18:45-20:00

Nonstop4h 15m

€190

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 8/1

06:35-13:35

Nonstop4h 00m

Istanbul

Wed 14/1

14:55-16:05

Nonstop4h 10m

€191

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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 March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €187.

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 €989.

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 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 €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.

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 55m
Direct flights	Every day
Airports in Istanbul	2 airports

The fastest flight from London Heathrow Airport to Istanbul takes 3h 55m

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. 3h 55m 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.

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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 €104

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Big names, great deals

Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Istanbul

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Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines deals on London Heathrow Airport to Istanbul flight tickets

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways 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 March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around €187.

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, KLM, and Turkish Airlines are the most popular carriers operating from London Heathrow to Istanbul

How often are flights from London to Istanbul delayed?

Historically, on average around 11% 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 128 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, British Airways have had the fewest delays on this route over the last 12 months, with about 10% 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 35 per day as of December 2025. The most frequent departure time is 16:00, with 39% of daily flights leaving at midday.

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

As of December 2025, 250 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 18% 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