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

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 has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

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.

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

There are 2 operators available for flights from London Heathrow Airport to Istanbul as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to Istanbul 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 Istanbul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 158 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, 203 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.

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

As of December 2025, 29 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 10:00p.m., with 42% of daily flights taking off in the afternoon.

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Find the cheapest flights from London Heathrow Airport to Istanbul

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 p.m. - 5:25 a.m.

LHR

IST

3h 50mdirect

9:25 p.m. - 10:25 p.m.

IST

LHR

4h 00mdirect

C$ 268Turkish Airlines

Wed, 25 Feb - Tue, 24 Mar

6:00 p.m. - 12:55 a.m.

LHR

IST

3h 55mdirect

9:25 p.m. - 10:25 p.m.

IST

LHR

4h 00mdirect

C$ 275Turkish Airlines

Thu, 5 Feb - Mon, 9 Feb

10:35 p.m. - 5:25 a.m.

LHR

IST

3h 50mdirect

2:50 p.m. - 4:00 p.m.

IST

LHR

4h 10mdirect

C$ 277Turkish Airlines

Wed, 4 Feb - Mon, 16 Feb

10:35 p.m. - 5:25 a.m.

LHR

IST

3h 50mdirect

9:25 p.m. - 10:25 p.m.

IST

LHR

4h 00mdirect

C$ 278Turkish Airlines

Wed, 4 Feb - Fri, 13 Feb

7:25 a.m. - 2:20 p.m.

LHR

IST

3h 55mdirect

7:35 a.m. - 9:05 a.m.

IST

LHR

4h 30mdirect

C$ 284British Airways

Mon, 26 Jan - Tue, 3 Feb

5:45 p.m. - 12:35 a.m.

LHR

IST

3h 50mdirect

1:50 p.m. - 2:55 p.m.

IST

LHR

4h 05mdirect

C$ 285Turkish Airlines

Fri, 6 Feb - Tue, 17 Feb

6:30 a.m. - 4:55 p.m.

LHR

IST

7h 25m1 stop

4:50 a.m. - 8:00 a.m.

IST

LHR

6h 10m1 stop

C$ 289Multiple Airlines

Sat, 7 Feb - Sat, 7 Feb

6:30 a.m. - 4:55 p.m.

LHR

IST

7h 25m1 stop

4:50 a.m. - 8:00 a.m.

IST

LHR

6h 10m1 stop

C$ 290Multiple Airlines

Fri, 6 Mar - Mon, 9 Mar

6:30 a.m. - 4:55 p.m.

LHR

IST

7h 25m1 stop

4:50 a.m. - 7:55 a.m.

IST

LHR

6h 05m1 stop

C$ 292Multiple Airlines

Fri, 23 Jan - Wed, 28 Jan

6:15 p.m. - 1:10 a.m.

LHR

IST

3h 55mdirect

6:40 p.m. - 7:55 p.m.

IST

LHR

4h 15mdirect

C$ 293British Airways

Sun, 11 Jan - Mon, 19 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

25 Feb

LHR10:35 p.m.London Heathrow

3h 50m

IST5:25 a.m.Istanbul

24 Mar

IST9:25 p.m.Istanbul

4h 00m

LHR10:25 p.m.London Heathrow

C$ 268

Find similar

Turkish Airlines

5 Feb

LHR6:00 p.m.London Heathrow

3h 55m

IST12:55 a.m.Istanbul

9 Feb

IST9:25 p.m.Istanbul

4h 00m

LHR10:25 p.m.London Heathrow

C$ 275

Find similar

Turkish Airlines

4 Feb

LHR10:35 p.m.London Heathrow

3h 50m

IST5:25 a.m.Istanbul

16 Feb

IST2:50 p.m.Istanbul

4h 10m

LHR4:00 p.m.London Heathrow

C$ 277

Find similar

KLM flights from London Heathrow Airport to Istanbul

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

KLM

11 Jan

LHR6:30 a.m.London Heathrow

7h 25m

1 stop

IST4:55 p.m.Istanbul

19 Jan

IST5:55 p.m.Istanbul

5h 55m

1 stop

LHR8:50 p.m.London Heathrow

C$ 326

Find similar

KLM

7 Jan

LHR6:30 a.m.London Heathrow

7h 25m

1 stop

IST4:55 p.m.Istanbul

15 Jan

IST5:55 p.m.Istanbul

5h 55m

1 stop

LHR8:50 p.m.London Heathrow

C$ 351

Find similar

KLM

5 Jan

LHR8:25 p.m.London Heathrow

17h 30m

1 stop

IST4:55 p.m.Istanbul

15 Jan

IST5:55 p.m.Istanbul

5h 55m

1 stop

LHR8:50 p.m.London Heathrow

C$ 352

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

Wed 25/2

10:35 p.m.-5:25 a.m.

Nonstop3h 50m

Istanbul

Tue 24/3

9:25 p.m.-10:25 p.m.

Nonstop4h 00m

C$ 268

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

6:00 p.m.-12:55 a.m.

Nonstop3h 55m

Istanbul

Mon 9/2

9:25 p.m.-10:25 p.m.

Nonstop4h 00m

C$ 275

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/2

10:35 p.m.-5:25 a.m.

Nonstop3h 50m

Istanbul

Mon 16/2

2:50 p.m.-4:00 p.m.

Nonstop4h 10m

C$ 277

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/2

10:35 p.m.-5:25 a.m.

Nonstop3h 50m

Istanbul

Fri 13/2

9:25 p.m.-10:25 p.m.

Nonstop4h 00m

C$ 278

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 26/1

7:25 a.m.-2:20 p.m.

Nonstop3h 55m

Istanbul

Tue 3/2

7:35 a.m.-9:05 a.m.

Nonstop4h 30m

C$ 284

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/2

5:45 p.m.-12:35 a.m.

Nonstop3h 50m

Istanbul

Tue 17/2

1:50 p.m.-2:55 p.m.

Nonstop4h 05m

C$ 285

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 7/2

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Sat 7/2

4:50 a.m.-8:00 a.m.

1 stop6h 10m

C$ 289

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/3

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Mon 9/3

4:50 a.m.-8:00 a.m.

1 stop6h 10m

C$ 290

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 23/1

6:30 a.m.-4:55 p.m.

1 stop7h 25m

Istanbul

Wed 28/1

4:50 a.m.-7:55 a.m.

1 stop6h 05m

C$ 292

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 11/1

6:15 p.m.-1:10 a.m.

Nonstop3h 55m

Istanbul

Mon 19/1

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 293

Flights are sorted by cheapest round-trip 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, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around C$ 292. 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 C$ 300.

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 C$ 264. The most expensive day to fly to Istanbul is Thursday, with ticket prices averaging around C$ 443.

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

According to our data, the cheapest time of day to fly to Istanbul is in the evening. momondo users have found flights departing from London Heathrow Airport to Istanbul in the evening for as low as C$ 212. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around C$ 528.

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 C$ 410 when searching weeks out. 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 C$ 369 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.

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 50m
Direct flights	Every day
Airports in Istanbul	2 airports

The fastest flight from London Heathrow Airport to Istanbul takes 3h 50m

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?
Istanbul is 2518.1 km away from London Heathrow. By plane, this route typically takes 3h 50m.
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 many operators does momondo search for flights from London Heathrow Airport to Istanbul?
There are 2 operators available for flights from London Heathrow Airport to Istanbul as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Istanbul?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to Istanbul 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 Istanbul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 C$ 257	Free Cancellation	Rating 6.7 7,581 reviews		Search British Airways flights
Turkish Airlines	PriceFrom C$ 278	Free Cancellation	Rating 7.3 4,102 reviews		Search Turkish Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Istanbul. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Istanbul from London which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential London to Istanbul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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, organize 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

Popular Cities in Turkey

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Cheap flights from London Heathrow Airport to Istanbul from C$ 158

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

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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Turkish Airlines flights from London Heathrow Airport to Istanbul

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

KLM flights from London Heathrow Airport to Istanbul

Our best KLM 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?

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 C$ 264. The most expensive day to fly to Istanbul is Thursday, with ticket prices averaging around C$ 443.

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 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.

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 has had the least 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, 29 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 10:00p.m., with 42% of daily flights taking off in the afternoon.

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

As of December 2025, 203 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Tue, 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 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, organize 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