How often are flights from Istanbul to London delayed?

Historically, on average around 17% of flights between Istanbul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Which airport is the most popular for stopovers for flights between Istanbul Airport and London Heathrow Airport?

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

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

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

According to our data, Chrono Aviation have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

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

Which stopover airport offers the lowest fares from Istanbul Airport to London Heathrow Airport?

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £193.

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 stopover airport has the shortest connection time from Istanbul Airport to London Heathrow Airport?

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 23m.

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

As of October 2025, there are 32 flights per day flying from Istanbul Airport to London Heathrow Airport. The most common time of day flights depart is 13:00, with 37% of flights taking off in the afternoon.

Which stopover airport has the shortest travel time from Istanbul Airport to London Heathrow Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 6h 15m.

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

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

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

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 Istanbul Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow 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 license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£54 Cheap Flights from Istanbul Airport to London Heathrow Airport in 2025/26

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18:40 - 19:55IST-LHR

4h 15mdirect

18:15 - 01:10LHR-IST

3h 55mdirect

£149British Airways

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lun, 24 nov - dom, 30 nov

14:55 - 16:20IST-LHR

4h 25mdirect

18:15 - 01:10LHR-IST

3h 55mdirect

£150British Airways

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ven, 28 nov - dom, 30 nov

18:40 - 19:55IST-LHR

4h 15mdirect

10:30 - 17:25LHR-IST

3h 55mdirect

£150British Airways

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sab, 29 nov - sab, 6 dic

14:55 - 16:20IST-LHR

4h 25mdirect

07:00 - 13:55LHR-IST

3h 55mdirect

£152British Airways

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sab, 24 gen - sab, 31 gen

04:50 - 07:55IST-LHR

6h 05m1 stop

06:30 - 16:55LHR-IST

7h 25m1 stop

£156Multiple Airlines

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mar, 16 dic - mer, 31 dic

04:50 - 16:35IST-LHR

14h 45m1 stop

20:25 - 16:55LHR-IST

17h 30m1 stop

£157Multiple Airlines

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mar, 20 gen - dom, 25 gen

17:55 - 20:50IST-LHR

5h 55m1 stop

06:30 - 16:55LHR-IST

7h 25m1 stop

£161KLM

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lun, 15 dic - gio, 1 gen

17:55 - 20:50IST-LHR

5h 55m1 stop

06:30 - 16:55LHR-IST

7h 25m1 stop

£162KLM

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ven, 23 gen - sab, 31 gen

07:50 - 22:00IST-LHR

17h 10m1 stop

10:35 - 00:40LHR-IST

11h 05m1 stop

£175LOT

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mar, 18 nov - dom, 23 nov

07:50 - 17:20IST-LHR

12h 30m1 stop

06:30 - 17:35LHR-IST

8h 05m1 stop

£176LOT

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gio, 20 nov - mer, 26 nov

British Airways flights from Istanbul Airport to London Heathrow Airport

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

British Airways

24 Nov

IST18:40Istanbul

4h 15m

LHR19:55London Heathrow

30 Nov

LHR18:15London Heathrow

3h 55m

IST01:10Istanbul

£149

Find similar

British Airways

28 Nov

IST14:55Istanbul

4h 25m

LHR16:20London Heathrow

30 Nov

LHR18:15London Heathrow

3h 55m

IST01:10Istanbul

£150

Find similar

British Airways

29 Nov

IST18:40Istanbul

4h 15m

LHR19:55London Heathrow

6 Dec

LHR10:30London Heathrow

3h 55m

IST17:25Istanbul

£150

Find similar

KLM flights from Istanbul Airport to London Heathrow Airport

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

KLM

15 Dec

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

1 Jan

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

£161

Find similar

KLM

23 Jan

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

31 Jan

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

£162

Find similar

KLM

27 Nov

IST17:55Istanbul

5h 55m

1 stop

LHR20:50London Heathrow

3 Dec

LHR06:30London Heathrow

7h 25m

1 stop

IST16:55Istanbul

£162

Find similar

momondo Fare Finder

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

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Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

lun 24/11

18:40-19:55

Nonstop4h 15m

London Heathrow

dom 30/11

18:15-01:10

Nonstop3h 55m

£149

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

ven 28/11

14:55-16:20

Nonstop4h 25m

London Heathrow

dom 30/11

18:15-01:10

Nonstop3h 55m

£150

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

sab 29/11

18:40-19:55

Nonstop4h 15m

London Heathrow

sab 6/12

10:30-17:25

Nonstop3h 55m

£150

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

sab 24/1

14:55-16:20

Nonstop4h 25m

London Heathrow

sab 31/1

07:00-13:55

Nonstop3h 55m

£152

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

mar 16/12

04:50-07:55

1 stop6h 05m

London Heathrow

mer 31/12

06:30-16:55

1 stop7h 25m

£156

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

mar 20/1

04:50-16:35

1 stop14h 45m

London Heathrow

dom 25/1

20:25-16:55

1 stop17h 30m

£157

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

lun 15/12

17:55-20:50

1 stop5h 55m

London Heathrow

gio 1/1

06:30-16:55

1 stop7h 25m

£161

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

ven 23/1

17:55-20:50

1 stop5h 55m

London Heathrow

sab 31/1

06:30-16:55

1 stop7h 25m

£162

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

mar 18/11

07:50-22:00

1 stop17h 10m

London Heathrow

dom 23/11

10:35-00:40

1 stop11h 05m

£175

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

gio 20/11

07:50-17:20

1 stop12h 30m

London Heathrow

mer 26/11

06:30-17:35

1 stop8h 05m

£176

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

Stopovers

Other information

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

What is the cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Istanbul Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £164. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Istanbul Airport averaging around £173.

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

On average, the least expensive day to fly to London Heathrow Airport from Istanbul Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £360. However, this price may fluctuate depending on the airline, the season, and holidays. 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 London Heathrow Airport on Friday is £381.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Istanbul Airport to London Heathrow Airport in the evening for as low as £171. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £391 on average. Flights to London Heathrow Airport from Istanbul Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Istanbul to London Heathrow flight route?

Fly from Istanbul to London Heathrow for the best Istanbul - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Istanbul Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £225 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Istanbul Airport for as low as £177 on momondo.

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

There are 3 cabin classes available to choose from on Istanbul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Istanbul Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Istanbul Airport to London Heathrow Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Istanbul Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Istanbul Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Istanbul Airport to London Heathrow Airport (IST to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Istanbul Airport to London Heathrow Airport

Best price found	£103
Fastest flight time	4h 00m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Istanbul Airport in the past 72 hours is £103. The best return flight deal from Istanbul Airport to London Heathrow Airport found on momondo in the last 72 hours is £210.

The fastest flight from Istanbul Airport to London Heathrow Airport takes 4h 00m

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

Search flight deals

How far is Istanbul to London Heathrow by plane?
There are 1544.7 mi between Istanbul and London Heathrow. A reasonable flight in good conditions will take 4h 15m.
When did momondo last update prices for flights from Istanbul Airport to London Heathrow Airport?
Prices for flights from Istanbul Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Istanbul Airport to London Heathrow Airport?
As of October 2025, there are 2 operators available to choose from for flights from Istanbul Airport to London Heathrow Airport.
How old do you have to be to fly from Istanbul Airport to London Heathrow Airport?
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 Istanbul Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow 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 license, and a passport valid for six-months after you plan to arrive at London Heathrow 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 Istanbul Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Istanbul Airport to London Heathrow Airport is Boeing 777-300ER, representing 22.63% of all bookings. The subsequent popular models are Airbus A321neo at 18.48%, Boeing 787-9 Dreamliner at 13.94%, and Airbus A321-100/200 at 9.72%.
What is the most popular airline from Istanbul Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Istanbul Airport to London Heathrow Airport is British Airways (52% of total bookings). The next most popular airline is Turkish Airlines (48%).

Best airlines flying from Istanbul Airport to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £140	Free Cancellation	Rating 6.7 7,488 reviews		Search British Airways flights
Turkish Airlines	PriceFrom £185	Free Cancellation	Rating 7.3 4,033 reviews		Search Turkish Airlines flights

Turkish Airlines Flights From Istanbul Airport to London Heathrow Airport
Across 37 Turkish Airlines flights from Istanbul Airport to London Heathrow Airport this week, the average price was £266, with the best Turkish Airlines deals starting from £185 round-trip. 4,033 users have rated Turkish Airlines on momondo, with an average score of 7.3/10.
British Airways Flights From Istanbul Airport to London Heathrow Airport
£140 is the best British Airways flight deal from Istanbul Airport to London Heathrow Airport found on momondo over the last 72 hours. The average British Airways ticket price found was closer to £180, however, with flight time and availability significantly affecting the price. British Airways (6.7/10 from 7,488 user reviews) flies into London Heathrow Airport from Istanbul Airport 12 times in an average week so prices can vary.

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Why use momondo?

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

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 London from Istanbul.

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

Flights from Istanbul to London 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 Istanbul to London?

momondo helps you find the best flight between Istanbul and London 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 Istanbul to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Istanbul to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Istanbul Airport to London from £54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Istanbul Airport to London departing on 28/2. 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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British Airways flights from Istanbul Airport to London Heathrow Airport

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

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

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

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

What is the cheapest month to fly to London Heathrow Airport?

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

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

What is the cheapest Istanbul to London Heathrow flight route?

Fly from Istanbul to London Heathrow for the best Istanbul - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

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

There are 3 cabin classes available to choose from on Istanbul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Istanbul Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Istanbul Airport to London Heathrow Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

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

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

How often are flights from Istanbul to London delayed?

Historically, on average around 17% of flights between Istanbul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning 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 Istanbul to London flights?

According to our data, Chrono Aviation have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

Which airport is the most popular for stopovers for flights between Istanbul Airport and London Heathrow Airport?

Frankfurt am Main (FRA) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Istanbul Airport to London Heathrow Airport?

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £193.

Which stopover airport has the shortest travel time from Istanbul Airport to London Heathrow Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 6h 15m.

Which stopover airport has the shortest connection time from Istanbul Airport to London Heathrow Airport?

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 23m.

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

As of October 2025, there are 32 flights per day flying from Istanbul Airport to London Heathrow Airport. The most common time of day flights depart is 13:00, with 37% of flights taking off in the afternoon.

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

The number of flights available between Istanbul Airport and London Heathrow Airport is 226 per week as of October 2025. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.

When to book flights from Istanbul Airport to London Heathrow Airport

Cheap Istanbul Airport to London Heathrow Airport (IST to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Istanbul Airport to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

How far is Istanbul to London Heathrow by plane?

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

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

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

Best airlines flying from Istanbul Airport to London Heathrow Airport

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

Turkish Airlines Flights From Istanbul Airport to London Heathrow Airport

British Airways Flights From Istanbul Airport to London Heathrow Airport

Travelling to a place near London?

Why use momondo?

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

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

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

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