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

The number of flights available between London Heathrow Airport and Istanbul Airport is 30 per day as of October 2025. The most frequent departure time is 18:00, with 42% of daily flights leaving in the evening.

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

According to our data, Icelandair have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

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

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

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 12% 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 132 minutes.

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

As of October 2025, there is 1 operator available to choose from for flights from London Heathrow Airport to Istanbul Airport.

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 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 Airport.

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

The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$189 Cheap Flights from London Heathrow Airport to Istanbul Airport in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $350 to $524. The lowest price recently found on this route was $317.

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17:10 - 00:05LHR-IST

3h 55mdirect

18:40 - 19:55IST-LHR

4h 15mdirect

$317British Airways

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Tue, 2 Dec - Mon, 8 Dec

06:40 - 13:35LHR-IST

3h 55mdirect

21:20 - 22:35IST-LHR

4h 15mdirect

$319British Airways

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Thu, 4 Dec - Sun, 7 Dec

20:25 - 16:55LHR-IST

17h 30m1 stop

04:50 - 07:55IST-LHR

6h 05m1 stop

$325Multiple Airlines

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Thu, 4 Dec - Sun, 7 Dec

06:30 - 16:55LHR-IST

7h 25m1 stop

04:50 - 08:00IST-LHR

6h 10m1 stop

$326Multiple Airlines

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Thu, 26 Feb - Mon, 2 Mar

17:45 - 00:35LHR-IST

3h 50mdirect

21:25 - 22:25IST-LHR

4h 00mdirect

$336Turkish Airlines

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Thu, 6 Nov - Fri, 14 Nov

13:30 - 15:50LHR-IST

24h 20m1 stop

15:40 - 12:30IST-LHR

22h 50m1 stop

$342Air Serbia

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Sun, 29 Mar - Fri, 3 Apr

06:30 - 16:55LHR-IST

7h 25m1 stop

17:55 - 20:50IST-LHR

5h 55m1 stop

$347KLM

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Thu, 4 Dec - Mon, 8 Dec

06:30 - 16:55LHR-IST

7h 25m1 stop

17:55 - 20:50IST-LHR

5h 55m1 stop

$348KLM

Find Deal

Fri, 5 Dec - Fri, 12 Dec

16:45 - 23:55LHR-IST

4h 10mdirect

14:50 - 16:00IST-LHR

4h 10mdirect

$365Turkish Airlines

Find Deal

Fri, 7 Nov - Mon, 17 Nov

13:20 - 04:25LHR-IST

12h 05m1 stop

04:20 - 12:30IST-LHR

10h 10m1 stop

$403Air Serbia

Find Deal

Fri, 6 Mar - Sun, 29 Mar

KLM flights from London Heathrow Airport to Istanbul Airport

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

KLM

4 Dec

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

8 Dec

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

$346

Find similar

KLM

5 Dec

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

12 Dec

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

$348

Find similar

KLM

5 Dec

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

12 Dec

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

$350

Find similar

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

2 Dec

LHR17:10London Heathrow

3h 55m

IST00:05Istanbul

8 Dec

IST18:40Istanbul

4h 15m

LHR19:55London Heathrow

$317

Find similar

British Airways

4 Dec

LHR06:40London Heathrow

3h 55m

IST13:35Istanbul

7 Dec

IST21:20Istanbul

4h 15m

LHR22:35London Heathrow

$319

Find similar

British Airways

22 Feb

LHR13:20London Heathrow

3h 55m

IST20:15Istanbul

2 Mar

IST08:15Istanbul

4h 30m

LHR09:45London Heathrow

$320

Find similar

momondo Fare Finder

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

Tue 2/12

17:10-00:05

Nonstop3h 55m

Istanbul

Mon 8/12

18:40-19:55

Nonstop4h 15m

$317

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/12

06:40-13:35

Nonstop3h 55m

Istanbul

Sun 7/12

21:20-22:35

Nonstop4h 15m

$319

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/12

20:25-16:55

1 stop17h 30m

Istanbul

Sun 7/12

04:50-07:55

1 stop6h 05m

$325

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 26/2

06:30-16:55

1 stop7h 25m

Istanbul

Mon 2/3

04:50-08:00

1 stop6h 10m

$326

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/11

17:45-00:35

Nonstop3h 50m

Istanbul

Fri 14/11

21:25-22:25

Nonstop4h 00m

$336

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 29/3

13:30-15:50

1 stop24h 20m

Istanbul

Fri 3/4

15:40-12:30

1 stop22h 50m

$342

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 4/12

06:30-16:55

1 stop7h 25m

Istanbul

Mon 8/12

17:55-20:50

1 stop5h 55m

$346

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Fri 12/12

17:55-20:50

1 stop5h 55m

$348

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 7/11

16:45-23:55

Nonstop4h 10m

Istanbul

Mon 17/11

14:50-16:00

Nonstop4h 10m

$365

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/3

13:20-04:25

1 stop12h 05m

Istanbul

Sun 29/3

04:20-12:30

1 stop10h 10m

$403

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 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

Prices

Airlines

Delays

Other information

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?

In general, January is the cheapest month to fly from London Heathrow Airport to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. If you don’t want to visit Istanbul Airport 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 $331.

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

According to our data, Tuesday is the cheapest day to fly to Istanbul Airport from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was $1,165. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Saturday is $2,019.

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

At midday is the cheapest time of day to fly from London Heathrow Airport to Istanbul Airport when you can find flight prices for as low as $557. Flying to Istanbul Airport at midday is an ideal time because this is during off-peak travel hours. Flights to Istanbul Airport are more costly in the morning, with an average ticket price of $1,652. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $456 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 $411 on momondo.

What cabin class options are available on London Heathrow to Istanbul flights?

There are 3 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 28% 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 46% 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

Best price found	$2,080
Fastest flight time	3h 50m
Direct flights	Every day

The best one-way flight to Istanbul Airport from London Heathrow Airport in the past 72 hours is $2,080. The best return flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is $485.

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?
The straight-line distance from London Heathrow to Istanbul is 2486.0 km. Typically, this will take 3h 50m by plane in normal conditions.
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 were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Istanbul Airport?
As of October 2025, there is 1 operator available to choose from for flights from London Heathrow Airport to Istanbul Airport.
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 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 Airport.
What documentation or ID do you need to fly to Istanbul Airport?
The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Istanbul Airport?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Istanbul Airport is Airbus A321neo, representing 23.85% of all bookings. The subsequent popular models are Airbus A321-100/200 at 12.26%, Boeing 787-9 Dreamliner at 6.96%, and Airbus A320-100/200 at 6.79%.
What is the most popular airline from London Heathrow Airport to Istanbul Airport?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Istanbul Airport is British Airways, representing 100% of all bookings.

Best airlines flying from London Heathrow Airport to Istanbul Airport

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

Airline	Rating	Free cancellation	Price
British Airways	PriceFrom $279	Free cancellation	Rating 6.7 7,467 reviews		Search British Airways flights

British Airways Flights From London Heathrow Airport to Istanbul Airport
British Airways is one of the most popular airlines flying from London Heathrow Airport to Istanbul Airport, operating 4 flights/week on average for this route. A good British Airways flight deal for London Heathrow Airport to Istanbul Airport starts from $279 round-trip, up to an average price of $379. Our users have rated British Airways at 6.7/10.

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?

All flight searches from London to Istanbul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Istanbul?

momondo helps you find the best flight between London and Istanbul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 Airport 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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Look for other cheap flights to Istanbul Sabiha Gokcen Airportfrom $1,132

Cheap flights from London Heathrow Airport to Istanbul from $189

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KLM flights from London Heathrow Airport to Istanbul Airport

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

British Airways flights from London Heathrow Airport to Istanbul Airport

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

momondo Fare Finder

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

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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?

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

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

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?

What cabin class options are available on London Heathrow to Istanbul flights?

There are 3 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 28% 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 46% more expensive when compared to flights at the same time last year.

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

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

How often are flights from London to Istanbul delayed?

Historically, on average around 12% 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 132 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, Icelandair have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

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

The number of flights available between London Heathrow Airport and Istanbul Airport is 30 per day as of October 2025. The most frequent departure time is 18:00, with 42% of daily flights leaving in the evening.

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

The number of flights available between London Heathrow Airport and Istanbul Airport is 211 per week as of October 2025. The most frequent departure day is Wed, with 20% of weekly flights leaving on this day.

When to book flights from London Heathrow Airport to Istanbul Airport

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

Best price found

Fastest flight time

Direct flights

How far is London Heathrow to Istanbul by plane?

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

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

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

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

What is the most popular plane model from London Heathrow Airport to Istanbul Airport?

What is the most popular airline from London Heathrow Airport to Istanbul Airport?

Best airlines flying from London Heathrow Airport to Istanbul Airport

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

British Airways Flights From London Heathrow Airport to Istanbul Airport

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 Airport 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 Istanbul

Popular Cities in Turkey

Popular flights according to clicks in the last 7 days on momondo