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

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

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, Icelandair has had the least delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

How often are flights from London to Istanbul delayed?

Historically, on average around 12% 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 133 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.

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

As of October 2025, there are 2 operators available to choose from 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?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Istanbul Airport 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.

C$ 169 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?

The number of flights available between London Heathrow Airport and Istanbul 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.

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

Prices are currently typical for flights on this route. Typical prices usually range from C$ 280 to C$ 390. The lowest price recently found on this route was C$ 284.

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

As of October 2025, there are 32 flights per day flying from London Heathrow Airport to Istanbul Airport. The most common time of day flights depart is 11:00a.m., with 37% of flights taking off at noon.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 a.m. - 1:35 p.m.LHR-IST

3h 55mdirect

3:15 p.m. - 4:40 p.m.IST-LHR

4h 25mdirect

C$ 284British Airways

Find Deal

Thu, 20 Nov - Mon, 24 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$ 286British Airways

Find Deal

Mon, 23 Feb - Wed, 4 Mar

6:55 a.m. - 1:50 p.m.LHR-IST

3h 55mdirect

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

4h 15mdirect

C$ 287British Airways

Find Deal

Tue, 2 Dec - Mon, 8 Dec

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$ 291Multiple Airlines

Find Deal

Thu, 29 Jan - Wed, 18 Feb

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

7h 25m1 stop

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

8h 40m1 stop

C$ 293Multiple Airlines

Find Deal

Fri, 5 Dec - Mon, 8 Dec

6:35 a.m. - 1:35 p.m.LHR-IST

4h 00mdirect

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

4h 00mdirect

C$ 302Turkish Airlines

Find Deal

Tue, 11 Nov - Tue, 18 Nov

4:35 p.m. - 11:25 p.m.LHR-IST

3h 50mdirect

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

4h 00mdirect

C$ 304Turkish Airlines

Find Deal

Thu, 13 Nov - Tue, 18 Nov

1:30 p.m. - 3:35 a.m.LHR-IST

12h 05m1 stop

4:20 a.m. - 7:10 p.m.IST-LHR

16h 50m1 stop

C$ 311Air Serbia

Find Deal

Sat, 18 Apr - Sat, 23 May

7:55 p.m. - 3:35 a.m.LHR-IST

5h 40m1 stop

4:35 p.m. - 6:45 p.m.IST-LHR

28h 10m1 stop

C$ 312Air Serbia

Find Deal

Sat, 18 Apr - Sat, 23 May

10:15 p.m. - 10:35 a.m.LHR-IST

9h 20m1 stop

4:50 p.m. - 9:15 p.m.IST-LHR

7h 25m1 stop

C$ 337Aegean Airlines

Find Deal

Sun, 23 Nov - Sat, 29 Nov

British Airways flights from London Heathrow Airport to Istanbul Airport

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

British Airways

20 Nov

LHR6:40 a.m.London Heathrow

3h 55m

IST1:35 p.m.Istanbul

24 Nov

IST3:15 p.m.Istanbul

4h 25m

LHR4:40 p.m.London Heathrow

C$ 284

Find similar

British Airways

23 Feb

LHR5:55 p.m.London Heathrow

3h 55m

IST12:50 a.m.Istanbul

4 Mar

IST7:35 a.m.Istanbul

4h 30m

LHR9:05 a.m.London Heathrow

C$ 286

Find similar

British Airways

2 Dec

LHR6:55 a.m.London Heathrow

3h 55m

IST1:50 p.m.Istanbul

8 Dec

IST6:40 p.m.Istanbul

4h 15m

LHR7:55 p.m.London Heathrow

C$ 287

Find similar

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

11 Nov

LHR6:35 a.m.London Heathrow

4h 00m

IST1:35 p.m.Istanbul

18 Nov

IST9:25 p.m.Istanbul

4h 00m

LHR10:25 p.m.London Heathrow

C$ 302

Find similar

Turkish Airlines

13 Nov

LHR4:35 p.m.London Heathrow

3h 50m

IST11:25 p.m.Istanbul

18 Nov

IST9:25 p.m.Istanbul

4h 00m

LHR10:25 p.m.London Heathrow

C$ 304

Find similar

Turkish Airlines

11 Nov

LHR11:30 a.m.London Heathrow

3h 55m

IST6:25 p.m.Istanbul

19 Nov

IST2:55 p.m.Istanbul

4h 10m

LHR4:05 p.m.London Heathrow

C$ 316

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 20/11

6:40 a.m.-1:35 p.m.

Nonstop3h 55m

Istanbul

Mon 24/11

3:15 p.m.-4:40 p.m.

Nonstop4h 25m

C$ 284

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 23/2

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

Nonstop3h 55m

Istanbul

Wed 4/3

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

Nonstop4h 30m

C$ 286

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/12

6:55 a.m.-1:50 p.m.

Nonstop3h 55m

Istanbul

Mon 8/12

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

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 29/1

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

1 stop7h 25m

Istanbul

Wed 18/2

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

1 stop6h 10m

C$ 291

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

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

1 stop7h 25m

Istanbul

Mon 8/12

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

1 stop8h 40m

C$ 293

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 11/11

6:35 a.m.-1:35 p.m.

Nonstop4h 00m

Istanbul

Tue 18/11

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

Nonstop4h 00m

C$ 302

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 13/11

4:35 p.m.-11:25 p.m.

Nonstop3h 50m

Istanbul

Tue 18/11

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

Nonstop4h 00m

C$ 304

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 18/4

1:30 p.m.-3:35 a.m.

1 stop12h 05m

Istanbul

Sat 23/5

4:20 a.m.-7:10 p.m.

1 stop16h 50m

C$ 311

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 18/4

7:55 p.m.-3:35 a.m.

1 stop5h 40m

Istanbul

Sat 23/5

4:35 p.m.-6:45 p.m.

1 stop28h 10m

C$ 312

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 23/11

10:15 p.m.-10:35 a.m.

1 stop9h 20m

Istanbul

Sat 29/11

4:50 p.m.-9:15 p.m.

1 stop7h 25m

C$ 337

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 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 C$ 291. If you aren’t able to travel during the month of January, then book flights to Istanbul Airport from London Heathrow Airport during March instead. Flights to Istanbul Airport in March, while not as cheap as those in January, still average around C$ 300.

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

The cheapest day to depart from London Heathrow Airport to Istanbul Airport is on a Monday. Travellers who choose to depart for Istanbul Airport on a Monday will often find tickets for as low as C$ 269. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Thursday is C$ 394.

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

Our data shows that the cheapest London Heathrow Airport to Istanbul Airport flights are usually those with departure times in the evening. Our users have found flights to Istanbul Airport in the evening for as low as C$ 213. In contrast, the most expensive time of day to depart to Istanbul Airport is in the morning when prices are around C$ 469.

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 C$ 413 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 C$ 372 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?

You could potentially save up to 25% on your flight if you consider stops on a London Heathrow Airport to Istanbul Airport flight.

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

As of October 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 46% 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	C$ 275
Fastest flight time	3h 40m
Direct flights	Every day

The best one-way flight to Istanbul Airport from London Heathrow Airport in the past 72 hours is C$ 275. The best round-trip flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is C$ 319.

The fastest flight from London Heathrow Airport to Istanbul Airport takes 3h 40m

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

Search flight deals

How far is London Heathrow to Istanbul by plane?
A flight from London Heathrow to Istanbul will travel around 2486.0 km. 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 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?
As of October 2025, there are 2 operators available to choose from 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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Istanbul Airport 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.
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 23.75% of the total bookings. Other popular models include Airbus A321-100/200 with 11.79%, Boeing 787-9 Dreamliner with 7.37%, and Airbus A320-100/200 with 6.63%.
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 British Airways (53% of total bookings). The next most popular airline is Turkish Airlines (47%).

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 C$ 260	Free Cancellation	Rating 6.7 7,487 reviews		Search British Airways flights
Turkish Airlines	PriceFrom C$ 282	Free Cancellation	Rating 7.3 4,031 reviews		Search Turkish Airlines flights

Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport
Turkish Airlines flies from London Heathrow Airport to Istanbul Airport around 28 times per week, with 4,031 momondo users rating the airline 7.3/10. The cheapest Turkish Airlines deal from London Heathrow Airport to Istanbul Airport in the last 72 hours was C$ 282 (round-trip), much lower than the average airfare cost of C$ 333 for Turkish Airlines flights on this route.
British Airways Flights From London Heathrow Airport to Istanbul Airport
Another popular option for London Heathrow Airport to Istanbul Airport flights is British Airways (6.7/10, 7,487 ratings). British Airways flies from London Heathrow Airport to Istanbul Airport around 6 times per week, with deals starting from C$ 260 round-trip and rising to an average price of around C$ 319.

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

It is quick and easy to find London to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

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

All flight searches from London to Istanbul on momondo can be filtered to show those which offer 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?

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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Flights to Istanbul Sabiha Gokcen Airportfrom C$ 800

Cheap flights from London Heathrow Airport to Istanbul from C$ 169

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British Airways flights from London Heathrow Airport to Istanbul Airport

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

Turkish Airlines flights from London Heathrow Airport to Istanbul Airport

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

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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

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 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?

You could potentially save up to 25% on your flight if you consider stops on a London Heathrow Airport to Istanbul Airport flight.

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

As of October 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 46% 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, KLM, and Air France are the most popular carriers operating from London Heathrow to Istanbul

How often are flights from London to Istanbul delayed?

Historically, on average around 12% 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 133 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, Icelandair has had the least delays on this route over the last 12 months, with about 4% 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 October 2025, there are 32 flights per day flying from London Heathrow Airport to Istanbul Airport. The most common time of day flights depart is 11:00a.m., with 37% of flights taking off at noon.

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

The number of flights available between London Heathrow Airport and Istanbul 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 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

Travelling 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