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

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?

As of December 2025, there are 34 flights per day flying from London Heathrow Airport to Istanbul. The most common time of day flights depart is 16:00, with 39% of flights taking off at midday.

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.

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.

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

As of December 2025, there are 244 flights per week flying from London Heathrow Airport to Istanbul. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

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.

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

Prices for flights from London Heathrow Airport to Istanbul were last updated today.

How many operators does momondo search for flights from London Heathrow Airport to Istanbul?

As of December 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Istanbul.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Istanbul.

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

The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 10,864 Cheap Flights from London Heathrow Airport to Istanbul in 2025/26

Q: What is the typical price of a round-trip flight between London Heathrow Airport and Istanbul?

Prices are currently low for flights on this route. Typical prices usually range from ₹ 24,444 to ₹ 46,173. The lowest price recently found on this route was ₹ 17,926.

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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.

20:00 - 02:55

LHR

IST

3h 55mdirect

21:25 - 22:25

IST

LHR

4h 00mdirect

₹ 17,926Turkish Airlines

Tue, 10 Mar - Tue, 17 Mar

06:35 - 13:35

LHR

IST

4h 00mdirect

15:10 - 16:10

IST

LHR

4h 00mdirect

₹ 18,107Turkish Airlines

Thu, 5 Feb - Mon, 9 Feb

17:40 - 00:35

LHR

IST

3h 55mdirect

18:45 - 20:00

IST

LHR

4h 15mdirect

₹ 18,560British Airways

Sat, 28 Feb - Wed, 4 Mar

07:25 - 14:20

LHR

IST

3h 55mdirect

18:40 - 19:55

IST

LHR

4h 15mdirect

₹ 18,650British Airways

Mon, 26 Jan - Tue, 3 Feb

06:30 - 16:55

LHR

IST

7h 25m1 stop

04:50 - 10:30

IST

LHR

8h 40m1 stop

₹ 19,103Multiple Airlines

Sat, 24 Jan - Fri, 30 Jan

17:55 - 00:50

LHR

IST

3h 55mdirect

18:40 - 19:55

IST

LHR

4h 15mdirect

₹ 19,374British Airways

Mon, 12 Jan - Mon, 19 Jan

17:55 - 00:50

LHR

IST

3h 55mdirect

07:35 - 09:05

IST

LHR

4h 30mdirect

₹ 19,465British Airways

Mon, 12 Jan - Tue, 20 Jan

15:15 - 22:20

LHR

IST

4h 05mdirect

12:55 - 14:10

IST

LHR

4h 15mdirect

₹ 19,646Turkish Airlines

Thu, 15 Jan - Thu, 12 Feb

06:30 - 16:55

LHR

IST

7h 25m1 stop

04:50 - 08:00

IST

LHR

6h 10m1 stop

₹ 19,918Multiple Airlines

Tue, 27 Jan - Thu, 29 Jan

17:55 - 00:50

LHR

IST

3h 55mdirect

07:35 - 09:05

IST

LHR

4h 30mdirect

₹ 20,008British Airways

Mon, 12 Jan - Tue, 20 Jan

KLM flights from London Heathrow Airport to Istanbul

Our best KLM deals on London Heathrow Airport to Istanbul flight tickets

KLM

15 Mar

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

17 Jun

IST06:00Istanbul

6h 45m

1 stop

LHR10:45London Heathrow

₹ 21,457

Find similar

KLM

7 Jan

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

15 Jan

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

₹ 23,086

Find similar

KLM

5 Jan

LHR20:25London Heathrow

17h 30m

1 stop

IST16:55Istanbul

15 Jan

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

₹ 23,177

Find similar

Turkish Airlines flights from London Heathrow Airport to Istanbul

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

Turkish Airlines

10 Mar

LHR20:00London Heathrow

3h 55m

IST02:55Istanbul

17 Mar

IST21:25Istanbul

4h 00m

LHR22:25London Heathrow

₹ 17,926

Find similar

Turkish Airlines

5 Feb

LHR06:35London Heathrow

4h 00m

IST13:35Istanbul

9 Feb

IST15:10Istanbul

4h 00m

LHR16:10London Heathrow

₹ 18,107

Find similar

Turkish Airlines

15 Jan

LHR15:15London Heathrow

4h 05m

IST22:20Istanbul

12 Feb

IST12:55Istanbul

4h 15m

LHR14:10London Heathrow

₹ 19,646

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

Tue 10/3

20:00-02:55

Nonstop3h 55m

Istanbul

Tue 17/3

21:25-22:25

Nonstop4h 00m

₹ 17,926

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

06:35-13:35

Nonstop4h 00m

Istanbul

Mon 9/2

15:10-16:10

Nonstop4h 00m

₹ 18,107

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 28/2

17:40-00:35

Nonstop3h 55m

Istanbul

Wed 4/3

18:45-20:00

Nonstop4h 15m

₹ 18,560

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 26/1

07:25-14:20

Nonstop3h 55m

Istanbul

Tue 3/2

18:40-19:55

Nonstop4h 15m

₹ 18,650

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 24/1

06:30-16:55

1 stop7h 25m

Istanbul

Fri 30/1

04:50-10:30

1 stop8h 40m

₹ 19,103

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 12/1

17:55-00:50

Nonstop3h 55m

Istanbul

Mon 19/1

18:40-19:55

Nonstop4h 15m

₹ 19,374

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 12/1

17:55-00:50

Nonstop3h 55m

Istanbul

Tue 20/1

07:35-09:05

Nonstop4h 30m

₹ 19,465

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 15/1

15:15-22:20

Nonstop4h 05m

Istanbul

Thu 12/2

12:55-14:10

Nonstop4h 15m

₹ 19,646

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 27/1

06:30-16:55

1 stop7h 25m

Istanbul

Thu 29/1

04:50-08:00

1 stop6h 10m

₹ 19,918

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 12/1

17:55-00:50

Nonstop3h 55m

Istanbul

Tue 20/1

07:35-09:05

Nonstop4h 30m

₹ 20,008

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 typical price of a round-trip flight between London Heathrow Airport and Istanbul?

What is the cheapest month to fly to Istanbul?

The cheapest month to fly to Istanbul from London Heathrow Airport is in January. Flight prices, which tend to average around ₹ 19,193, are often lower during this time because this is during the off-season. If you don’t want to visit Istanbul in January, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of ₹ 19,737.

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

Our data shows that Tuesday is the least expensive day to fly to Istanbul. Tickets to fly out on this day can be as low as ₹ 60,265. 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 ₹ 82,539.

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

The cheapest time of day to fly to Istanbul is at midday when flights can be purchased for as low as ₹ 24,280. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around ₹ 70,452.

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 ₹ 26,987 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 ₹ 24,263 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 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?
The distance between London Heathrow and Istanbul is about 2518.1 km. A reasonable flight in good conditions will take 3h 45m.
When did momondo last update prices for flights from London Heathrow Airport to Istanbul?
Prices for flights from London Heathrow Airport to Istanbul were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Istanbul?
As of December 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Istanbul.
How old do you have to be to fly from London Heathrow Airport to Istanbul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Istanbul.
What documentation or ID do you need to fly to Istanbul?
The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Istanbul

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom ₹ 17,235	Free Cancellation	Rating 6.7 7,575 reviews		Search British Airways flights
Turkish Airlines	PriceFrom ₹ 19,732	Free Cancellation	Rating 7.3 4,098 reviews		Search Turkish Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Istanbul from London.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from London.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

Price alerts on flights to Istanbul from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 ₹ 10,864

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Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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KLM flights from London Heathrow Airport to Istanbul

Our best KLM deals on London Heathrow Airport to Istanbul flight tickets

Turkish Airlines flights from London Heathrow Airport to Istanbul

Our best Turkish Airlines 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 typical price of a round-trip flight between London Heathrow Airport and Istanbul?

What is the cheapest month to fly to Istanbul?

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?

The cheapest time of day to fly to Istanbul is at midday when flights can be purchased for as low as ₹ 24,280. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around ₹ 70,452.

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 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?

As of December 2025, there are 34 flights per day flying from London Heathrow Airport to Istanbul. The most common time of day flights depart is 16:00, with 39% of flights taking off at midday.

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

As of December 2025, there are 244 flights per week flying from London Heathrow Airport to Istanbul. The most common day of the week flights depart is Fri, with 18% of 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 many operators does momondo search 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?

Best airlines flying from London Heathrow Airport to Istanbul

Compare and see reviews for airlines that fly from London Heathrow Airport to Istanbul with momondo

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