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

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

According to our data, Turkish Airlines 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 often are flights from London to Istanbul delayed?

Historically, on average around 10% 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 125 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.

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

As of January 2026, there are 2 operators available to choose from for flights from London Heathrow Airport to Istanbul.

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

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 London Heathrow Airport to Istanbul.

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

The necessary travel and health documents for your Istanbul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$124 Cheap Flights from London Heathrow Airport to Istanbul in 2026

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

As of January 2026, there are 188 flights per week flying from London Heathrow Airport to Istanbul. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

As of January 2026, there are 26 flights per day flying from London Heathrow Airport to Istanbul. The most common time of day flights depart is 4:00PM, with 42% of flights taking off in the afternoon.

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Find the cheapest flights from London Heathrow Airport to Istanbul

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Cheap round-trip flights

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

$199Turkish Airlines

Thu, Feb 26 - Thu, Mar 5

6:35 am - 1:35 pm

LHR

IST

4h 00mnonstop

2:50 pm - 4:00 pm

IST

LHR

4h 10mnonstop

$200Turkish Airlines

Thu, Mar 12 - Mon, Mar 16

3:15 pm - 10:20 pm

LHR

IST

4h 05mnonstop

3:10 pm - 4:10 pm

IST

LHR

4h 00mnonstop

$204Turkish Airlines

Thu, Mar 5 - Wed, Mar 11

10:35 pm - 5:25 am

LHR

IST

3h 50mnonstop

2:55 pm - 4:05 pm

IST

LHR

4h 10mnonstop

$205Turkish Airlines

Thu, Feb 19 - Wed, Feb 25

8:50 am - 9:20 pm

LHR

SAW

9h 30m

1 stop

11:10 am - 9:20 pm

SAW

LHR

13h 10m

1 stop

$205Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

6:35 am - 1:35 pm

LHR

IST

4h 00mnonstop

1:50 pm - 2:55 pm

IST

LHR

4h 05mnonstop

$206Turkish Airlines

Thu, Feb 19 - Mon, Mar 2

10:35 pm - 4:15 am

LHR

IST

3h 40mnonstop

9:40 am - 11:40 am

IST

LHR

4h 00mnonstop

$207Turkish Airlines

Wed, Apr 22 - Mon, Apr 27

4:45 pm - 10:35 pm

LHR

IST

3h 50mnonstop

1:15 pm - 3:10 pm

IST

LHR

3h 55mnonstop

$208Turkish Airlines

Fri, Apr 24 - Wed, Apr 29

10:30 am - 5:25 pm

LHR

IST

3h 55mnonstop

3:15 pm - 4:40 pm

IST

LHR

4h 25mnonstop

$210British Airways

Sat, Feb 21 - Mon, Mar 2

6:05 pm - 1:00 am

LHR

IST

3h 55mnonstop

2:55 pm - 4:20 pm

IST

LHR

4h 25mnonstop

$211British Airways

Wed, Feb 18 - Tue, Feb 24

Turkish Airlines flights from London Heathrow Airport to Istanbul

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

Turkish Airlines

Feb 26

LHR6:00 pmLondon Heathrow

3h 55m

IST12:55 amIstanbul

Mar 5

IST9:25 pmIstanbul

4h 00m

LHR10:25 pmLondon Heathrow

$199

Turkish Airlines

Mar 12

LHR6:35 amLondon Heathrow

4h 00m

IST1:35 pmIstanbul

Mar 16

IST2:50 pmIstanbul

4h 10m

LHR4:00 pmLondon Heathrow

$200

Turkish Airlines

Mar 5

LHR3:15 pmLondon Heathrow

4h 05m

IST10:20 pmIstanbul

Mar 11

IST3:10 pmIstanbul

4h 00m

LHR4:10 pmLondon Heathrow

$204

Air Serbia flights from London Heathrow Airport to Istanbul

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

Air Serbia

Feb 24

LHR1:20 pmLondon Heathrow

23h 35m

1 stop

IST3:55 pmIstanbul

Feb 26

IST5:20 amIstanbul

10h 00m

1 stop

LHR12:20 pmLondon Heathrow

$225

Air Serbia

Feb 24

LHR1:20 pmLondon Heathrow

23h 35m

1 stop

IST3:55 pmIstanbul

Feb 26

IST5:20 amIstanbul

10h 00m

1 stop

LHR12:20 pmLondon Heathrow

$226

Air Serbia

Apr 21

LHR1:30 pmLondon Heathrow

23h 30m

1 stop

IST3:00 pmIstanbul

Apr 28

IST4:30 amIstanbul

10h 00m

1 stop

LHR12:30 pmLondon Heathrow

$228

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

Thu 2/26

6:00 pm-12:55 am

Nonstop3h 55m

Istanbul

Thu 3/5

9:25 pm-10:25 pm

Nonstop4h 00m

$199

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 3/12

6:35 am-1:35 pm

Nonstop4h 00m

Istanbul

Mon 3/16

2:50 pm-4:00 pm

Nonstop4h 10m

$200

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 3/5

3:15 pm-10:20 pm

Nonstop4h 05m

Istanbul

Wed 3/11

3:10 pm-4:10 pm

Nonstop4h 00m

$204

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/19

10:35 pm-5:25 am

Nonstop3h 50m

Istanbul

Wed 2/25

2:55 pm-4:05 pm

Nonstop4h 10m

$205

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Tue 3/3

8:50 am-9:20 pm

1 stop9h 30m

Istanbul Sabiha Gokcen

Tue 3/10

11:10 am-9:20 pm

1 stop13h 10m

$205

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 2/19

6:35 am-1:35 pm

Nonstop4h 00m

Istanbul

Mon 3/2

1:50 pm-2:55 pm

Nonstop4h 05m

$206

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/22

10:35 pm-4:15 am

Nonstop3h 40m

Istanbul

Mon 4/27

9:40 am-11:40 am

Nonstop4h 00m

$207

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 4/24

4:45 pm-10:35 pm

Nonstop3h 50m

Istanbul

Wed 4/29

1:15 pm-3:10 pm

Nonstop3h 55m

$208

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 2/21

10:30 am-5:25 pm

Nonstop3h 55m

Istanbul

Mon 3/2

3:15 pm-4:40 pm

Nonstop4h 25m

$210

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 2/18

6:05 pm-1:00 am

Nonstop3h 55m

Istanbul

Tue 2/24

2:55 pm-4:20 pm

Nonstop4h 25m

$211

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?

In general, March is the cheapest month to fly from London Heathrow Airport to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $221. If you aren’t able to travel to Istanbul during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $228.

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 when prices can be found for as low as $439. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Tuesday is $684.

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

Our most recent data shows that the best time of day to fly to Istanbul is at noon. Flights from London Heathrow Airport to Istanbul during this time can be as low as $287. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $594 on average. Flights to Istanbul from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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?

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 $300 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 $271 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).

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How far is London Heathrow to Istanbul by plane?
The distance between London Heathrow and Istanbul is about 1564.7 mi. In terms of flight time, this usually takes a little over 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 refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Istanbul?
As of January 2026, there are 2 operators available to choose from for flights from London Heathrow Airport to Istanbul.
How old do you have to be to fly from London Heathrow Airport to Istanbul?
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 London Heathrow Airport to Istanbul.
What documentation or ID do you need to fly to Istanbul?
The necessary travel and health documents for your Istanbul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 $191	Free Cancellation	Rating 6.7 7,705 reviews		Search British Airways flights
Turkish Airlines	PriceFrom $201	Free Cancellation	Rating 7.3 4,208 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?

Yes. momondo allows you to filter the results for London to Istanbul flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to Istanbul from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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Flights to Konyafrom $615

Cheap flights from London Heathrow Airport to Istanbul from $124

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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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

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Turkish Airlines flights from London Heathrow Airport to Istanbul

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

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia 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?

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 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 10% 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 125 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, Turkish Airlines 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 on average per day?

As of January 2026, there are 26 flights per day flying from London Heathrow Airport to Istanbul. The most common time of day flights depart is 4:00PM, with 42% of flights taking off in the afternoon.

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

As of January 2026, there are 188 flights per week flying from London Heathrow Airport to Istanbul. The most common day of the week flights depart is Mon, with 20% of 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 20.9 mi from Istanbul