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

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

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 July 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$ 161 Cheap Flights from London Heathrow Airport to Istanbul in 2025

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

As of July 2025, 233 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Thu, with 19% 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 July 2025, 33 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 11:00a.m., with 40% of daily flights taking off at noon.

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Find the cheapest flights from London Heathrow Airport to Istanbul

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

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$ 283British Airways

Find Deal

Sun, 16 Nov - Tue, 25 Nov

5:55 p.m. - 12:50 a.m.LHR-IST

3h 55mdirect

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

4h 30mdirect

C$ 284British Airways

Find Deal

Mon, 24 Nov - Tue, 2 Dec

10:30 a.m. - 5:25 p.m.LHR-IST

3h 55mdirect

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

4h 30mdirect

C$ 286British Airways

Find Deal

Sat, 29 Nov - Tue, 2 Dec

8:25 p.m. - 4:55 p.m.LHR-IST

17h 30m1 stop

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

6h 10m1 stop

C$ 294

Find Deal

Fri, 5 Dec - Sun, 14 Dec

8:25 p.m. - 4:55 p.m.LHR-IST

17h 30m1 stop

4:50 a.m. - 10:30 a.m.IST-LHR

8h 40m1 stop

C$ 295

Find Deal

Fri, 5 Dec - Sun, 14 Dec

5:10 p.m. - 1:20 a.m.LHR-IST

6h 10m1 stop

6:10 a.m. - 10:45 a.m.IST-LHR

6h 35m1 stop

C$ 303KLM

Find Deal

Wed, 10 Sep - Wed, 1 Oct

5:10 p.m. - 1:20 a.m.LHR-IST

6h 10m1 stop

5:05 p.m. - 8:55 p.m.IST-LHR

5h 50m1 stop

C$ 308KLM

Find Deal

Sat, 20 Sep - Wed, 24 Sep

1:30 p.m. - 3:30 a.m.LHR-IST

12h 00m1 stop

4:35 p.m. - 12:30 p.m.IST-LHR

21h 55m1 stop

C$ 341Air Serbia

Find Deal

Wed, 13 Aug - Tue, 19 Aug

4:40 p.m. - 11:35 p.m.LHR-IST

3h 55mdirect

3:10 p.m. - 4:10 p.m.IST-LHR

4h 00mdirect

C$ 342Turkish Airlines

Find Deal

Sat, 1 Nov - Tue, 11 Nov

6:30 a.m. - 12:25 p.m.LHR-IST

3h 55mdirect

1:45 p.m. - 3:55 p.m.IST-LHR

4h 10mdirect

C$ 350Turkish Airlines

Find Deal

Wed, 24 Sep - Wed, 1 Oct

KLM flights from London Heathrow Airport to Istanbul

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

KLM

10 Sep

LHR5:10 p.m.London Heathrow

6h 10m

1 stop

IST1:20 a.m.Istanbul

1 Oct

IST6:10 a.m.Istanbul

6h 35m

1 stop

LHR10:45 a.m.London Heathrow

C$ 303

Find similar

KLM

20 Sep

LHR5:10 p.m.London Heathrow

6h 10m

1 stop

IST1:20 a.m.Istanbul

24 Sep

IST5:05 p.m.Istanbul

5h 50m

1 stop

LHR8:55 p.m.London Heathrow

C$ 308

Find similar

KLM

22 Sep

LHR5:10 p.m.London Heathrow

6h 10m

1 stop

IST1:20 a.m.Istanbul

1 Oct

IST5:05 p.m.Istanbul

5h 50m

1 stop

LHR8:55 p.m.London Heathrow

C$ 309

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

16 Nov

LHR6:15 p.m.London Heathrow

3h 55m

IST1:10 a.m.Istanbul

25 Nov

IST6:40 p.m.Istanbul

4h 15m

LHR7:55 p.m.London Heathrow

C$ 283

Find similar

British Airways

24 Nov

LHR5:55 p.m.London Heathrow

3h 55m

IST12:50 a.m.Istanbul

2 Dec

IST7:35 a.m.Istanbul

4h 30m

LHR9:05 a.m.London Heathrow

C$ 284

Find similar

British Airways

29 Nov

LHR10:30 a.m.London Heathrow

3h 55m

IST5:25 p.m.Istanbul

2 Dec

IST7:35 a.m.Istanbul

4h 30m

LHR9:05 a.m.London Heathrow

C$ 286

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

Sun 16/11

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

Nonstop3h 55m

Istanbul

Tue 25/11

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

Nonstop4h 15m

C$ 283

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 24/11

5:55 p.m.-12:50 a.m.

Nonstop3h 55m

Istanbul

Tue 2/12

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

Nonstop4h 30m

C$ 284

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 29/11

10:30 a.m.-5:25 p.m.

Nonstop3h 55m

Istanbul

Tue 2/12

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

Nonstop4h 30m

C$ 286

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

8:25 p.m.-4:55 p.m.

1 stop17h 30m

Istanbul

Sun 14/12

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

1 stop6h 10m

C$ 294

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

8:25 p.m.-4:55 p.m.

1 stop17h 30m

Istanbul

Sun 14/12

4:50 a.m.-10:30 a.m.

1 stop8h 40m

C$ 295

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 10/9

5:10 p.m.-1:20 a.m.

1 stop6h 10m

Istanbul

Wed 1/10

6:10 a.m.-10:45 a.m.

1 stop6h 35m

C$ 303

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 20/9

5:10 p.m.-1:20 a.m.

1 stop6h 10m

Istanbul

Wed 24/9

5:05 p.m.-8:55 p.m.

1 stop5h 50m

C$ 308

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 13/8

1:30 p.m.-3:30 a.m.

1 stop12h 00m

Istanbul

Tue 19/8

4:35 p.m.-12:30 p.m.

1 stop21h 55m

C$ 341

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/11

4:40 p.m.-11:35 p.m.

Nonstop3h 55m

Istanbul

Tue 11/11

3:10 p.m.-4:10 p.m.

Nonstop4h 00m

C$ 342

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 24/9

6:30 a.m.-12:25 p.m.

Nonstop3h 55m

Istanbul

Wed 1/10

1:45 p.m.-3:55 p.m.

Nonstop4h 10m

C$ 350

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

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$ 284. 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$ 295.

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 Sunday. Travellers who choose to depart for Istanbul on a Sunday will often find tickets for as low as C$ 231. The most expensive day to fly to Istanbul is Thursday, with ticket prices averaging around C$ 352.

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$ 204. 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$ 396.

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$ 408 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$ 377 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

Best price found	C$ 161
Fastest flight time	3h 50m
Direct flights	Every day
Airports in Istanbul	2 airports

The best one-way flight to Istanbul from London Heathrow Airport in the past 72 hours is C$ 161. The best round-trip flight deal from London Heathrow Airport to Istanbul found on momondo in the last 72 hours is C$ 283.

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 near Istanbul: Istanbul Sabiha Gokcen (SAW), 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 July 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$ 245	Free Cancellation	Rating 6.6 7,222 reviews		Search British Airways flights
Turkish Airlines	PriceFrom C$ 279	Free Cancellation	Rating 7.3 3,933 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$ 161

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

Price Alerts

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

KLM flights from London Heathrow Airport to Istanbul

Our best KLM 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

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 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 Sunday. Travellers who choose to depart for Istanbul on a Sunday will often find tickets for as low as C$ 231. The most expensive day to fly to Istanbul is Thursday, with ticket prices averaging around C$ 352.

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?

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

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

As of July 2025, 33 flights take off from London Heathrow Airport and land in Istanbul each day. The most common flight departure time for this route is 11:00a.m., with 40% of daily flights taking off at noon.

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

As of July 2025, 233 flights take off from London Heathrow Airport and land in Istanbul each week. The most common flight departure day for this route is Thu, with 19% 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

Best price found

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