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 129 minutes.

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

As of December 2025, 33 flights take off from London Heathrow Airport and land in Istanbul Airport each day. The most common flight departure time for this route is 10:00PM, with 42% of daily flights taking off in the afternoon.

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

Generally, flights departing at night tend to experience fewer delays. Flights 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 which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

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

The number of operators available for flights from London Heathrow Airport to Istanbul Airport is 2 as of December 2025.

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 layovers 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 required travel and health documents for your Istanbul Airport 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 Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$121 Cheap Flights from London Heathrow Airport to Istanbul Airport in 2025/26

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

As of December 2025, there are 233 flights per week flying from London Heathrow Airport to Istanbul Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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Find the cheapest flights from London Heathrow Airport to Istanbul

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Enter your travel dates to find the best prices.

6:00 pm - 12:55 am

LHR

IST

3h 55mnonstop

9:25 pm - 10:25 pm

IST

LHR

4h 00mnonstop

$200Turkish Airlines

Thu, Feb 5 - Mon, Feb 9

10:35 pm - 5:25 am

LHR

IST

3h 50mnonstop

1:50 pm - 2:55 pm

IST

LHR

4h 05mnonstop

$201Turkish Airlines

Thu, Feb 5 - Mon, Feb 9

7:25 am - 2:20 pm

LHR

IST

3h 55mnonstop

9:20 pm - 10:35 pm

IST

LHR

4h 15mnonstop

$206British Airways

Mon, Jan 26 - Sun, Feb 1

6:30 am - 4:55 pm

LHR

IST

7h 25m1 stop

4:50 am - 8:00 am

IST

LHR

6h 10m1 stop

$210Multiple Airlines

Sat, Feb 7 - Sat, Feb 7

6:30 am - 4:55 pm

LHR

IST

7h 25m1 stop

4:50 am - 7:55 am

IST

LHR

6h 05m1 stop

$211Multiple Airlines

Fri, Jan 30 - Thu, Feb 5

6:30 am - 4:55 pm

LHR

IST

7h 25m1 stop

4:50 am - 7:55 am

IST

LHR

6h 05m1 stop

$212Multiple Airlines

Fri, Jan 23 - Wed, Jan 28

6:15 pm - 1:10 am

LHR

IST

3h 55mnonstop

6:40 pm - 7:55 pm

IST

LHR

4h 15mnonstop

$213British Airways

Sun, Jan 11 - Mon, Jan 19

1:20 pm - 8:15 pm

LHR

IST

3h 55mnonstop

7:35 am - 9:05 am

IST

LHR

4h 30mnonstop

$214British Airways

Sun, Jan 25 - Tue, Feb 3

6:30 am - 4:55 pm

LHR

IST

7h 25m1 stop

4:50 am - 10:30 am

IST

LHR

8h 40m1 stop

$215Multiple Airlines

Tue, Feb 24 - Fri, Feb 27

6:30 am - 4:55 pm

LHR

IST

7h 25m1 stop

4:50 am - 8:00 am

IST

LHR

6h 10m1 stop

$216Multiple Airlines

Sat, Jan 31 - Fri, Feb 6

Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

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

Turkish Airlines

Mar 5

LHR6:35 amLondon Heathrow

4h 00m

IST1:35 pmIstanbul

Mar 12

IST12:55 pmIstanbul

4h 15m

LHR2:10 pmLondon Heathrow

$199

Find similar

Turkish Airlines

Feb 5

LHR6:00 pmLondon Heathrow

3h 55m

IST12:55 amIstanbul

Feb 9

IST9:25 pmIstanbul

4h 00m

LHR10:25 pmLondon Heathrow

$200

Find similar

Turkish Airlines

Feb 5

LHR6:00 pmLondon Heathrow

3h 55m

IST12:55 amIstanbul

Feb 9

IST1:50 pmIstanbul

4h 05m

LHR2:55 pmLondon Heathrow

$201

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Air Serbia flights from London Heathrow Airport to Istanbul Airport

Our best Air Serbia deals on London Heathrow Airport to Istanbul Airport flight tickets

Air Serbia

Jan 21

LHR1:20 pmLondon Heathrow

11h 50m

1 stop

IST4:10 amIstanbul

Feb 3

IST5:20 amIstanbul

10h 00m

1 stop

LHR12:20 pmLondon Heathrow

$221

Find similar

Air Serbia

Jan 15

LHR1:20 pmLondon Heathrow

11h 50m

1 stop

IST4:10 amIstanbul

Jan 21

IST4:40 pmIstanbul

22h 40m

1 stop

LHR12:20 pmLondon Heathrow

$222

Find similar

Air Serbia

Jan 14

LHR1:20 pmLondon Heathrow

11h 50m

1 stop

IST4:10 amIstanbul

Jan 19

IST4:40 pmIstanbul

22h 40m

1 stop

LHR12:20 pmLondon Heathrow

$223

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

Thu 2/5

6:00 pm-12:55 am

Nonstop3h 55m

Istanbul

Mon 2/9

9:25 pm-10:25 pm

Nonstop4h 00m

$200

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/5

10:35 pm-5:25 am

Nonstop3h 50m

Istanbul

Mon 2/9

1:50 pm-2:55 pm

Nonstop4h 05m

$201

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 1/26

7:25 am-2:20 pm

Nonstop3h 55m

Istanbul

Sun 2/1

9:20 pm-10:35 pm

Nonstop4h 15m

$206

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 2/7

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Sat 2/7

4:50 am-8:00 am

1 stop6h 10m

$210

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 1/30

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Thu 2/5

4:50 am-7:55 am

1 stop6h 05m

$211

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 1/23

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Wed 1/28

4:50 am-7:55 am

1 stop6h 05m

$212

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/11

6:15 pm-1:10 am

Nonstop3h 55m

Istanbul

Mon 1/19

6:40 pm-7:55 pm

Nonstop4h 15m

$213

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/25

1:20 pm-8:15 pm

Nonstop3h 55m

Istanbul

Tue 2/3

7:35 am-9:05 am

Nonstop4h 30m

$214

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/24

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Fri 2/27

4:50 am-10:30 am

1 stop8h 40m

$215

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/31

6:30 am-4:55 pm

1 stop7h 25m

Istanbul

Fri 2/6

4:50 am-8:00 am

1 stop6h 10m

$216

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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

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 $212. 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 $218.

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

Our data shows that Monday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $397. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $670.

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

At noon 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 $302. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $554.

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 $298 when searching weeks out. 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 $268 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Istanbul Airport.

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

As of December 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 2% 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 round-trip 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	$241
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 $241. The best round-trip flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is $447.

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?
London Heathrow and Istanbul are 1544.7 mi apart from one another. By plane, this route typically takes 3h 50m.
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 are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Istanbul Airport?
The number of operators available for flights from London Heathrow Airport to Istanbul Airport is 2 as of December 2025.
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 layovers 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 required travel and health documents for your Istanbul Airport 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 Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Istanbul Airport?
Based on momondo bookings for flights between London Heathrow Airport and Istanbul Airport, the leading plane model is Airbus A321neo, making up 26.69% of the total bookings. Other popular models include Airbus A321-100/200 with 10.46%, Boeing 787-9 Dreamliner with 8.77%, and Airbus A320neo with 6.67%.
What is the most popular airline from London Heathrow Airport to Istanbul Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Istanbul Airport is Turkish Airlines (57% of total bookings). The next most popular airline is British Airways (43%).

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 $185	Free Cancellation	Rating 6.7 7,583 reviews		Search British Airways flights
Turkish Airlines	PriceFrom $207	Free Cancellation	Rating 7.3 4,105 reviews		Search Turkish Airlines flights

Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport
Turkish Airlines flight deals from London Heathrow Airport to Istanbul Airport start from $207 round-trip. Over the 28 Turkish Airlines flights for this route in a normal week, average airfare is usually $283 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From London Heathrow Airport to Istanbul Airport
The best British Airways deal for London Heathrow Airport to Istanbul Airport flight tickets found on momondo in the last 72 hours was $185, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $276 round-trip. British Airways operates 11 flights out of London Heathrow Airport into Istanbul Airport in an average week, so prices vary by time and availability. 7,583 British Airways reviews by users on momondo have scored the airline at 6.7/10.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Istanbul for you.

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

Yes. All flights to Istanbul from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from London to Istanbul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Istanbul and let you know when they change.

An easier way to manage your Istanbul Airport 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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Cheap flights from London Heathrow Airport to Istanbul from $121

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Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

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

Air Serbia flights from London Heathrow Airport to Istanbul Airport

Our best Air Serbia 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.

See travel insights to Istanbul from

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

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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Istanbul Airport.

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

As of December 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 2% 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 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 129 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights 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 which experiences the fewest number of 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 least number of 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 Airport on average per day?

As of December 2025, 33 flights take off from London Heathrow Airport and land in Istanbul Airport each day. The most common flight departure time for this route is 10:00PM, with 42% of daily flights taking off in the afternoon.

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

As of December 2025, there are 233 flights per week flying from London Heathrow Airport to Istanbul Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off 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

Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport

British Airways Flights From London Heathrow Airport to Istanbul Airport

Traveling to a place near Istanbul?

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, 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 Istanbul

Popular cities in Turkey

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