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Cheap flights from London Heathrow Airport to Istanbul from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Istanbul departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Istanbul (LHR-IST)

Cheap return flights

British Airways Logo
18:35 - 00:30LHR-IST
3h 55mdirect
British Airways Logo
19:55 - 21:55IST-LHR
4h 00mdirect
$302British Airways
Find Deal
Tue, 14 Oct - Tue, 21 Oct
British Airways Logo
17:30 - 00:25LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
$315British Airways
Find Deal
Thu, 26 Feb - Sat, 21 Mar
British Airways Logo
06:55 - 13:50LHR-IST
3h 55mdirect
British Airways Logo
07:35 - 09:05IST-LHR
4h 30mdirect
$316British Airways
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Tue, 6 Jan - Tue, 13 Jan
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
$324
Find Deal
Wed, 5 Nov - Sun, 9 Nov
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
$330
Find Deal
Sat, 28 Feb - Mon, 23 Mar
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
$337KLM
Find Deal
Tue, 23 Sep - Sun, 28 Sep
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
$339KLM
Find Deal
Sat, 29 Nov - Sun, 7 Dec
Turkish Airlines Logo
19:05 - 01:00LHR-IST
3h 55mdirect
Turkish Airlines Logo
13:45 - 15:55IST-LHR
4h 10mdirect
$349Turkish Airlines
Find Deal
Fri, 26 Sep - Wed, 1 Oct
Turkish Airlines Logo
16:40 - 22:40LHR-IST
4h 00mdirect
Turkish Airlines Logo
13:55 - 16:00IST-LHR
4h 05mdirect
$353Turkish Airlines
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Tue, 7 Oct - Thu, 16 Oct
Air Serbia Logo
13:30 - 03:30LHR-IST
12h 00m1 stop
Air Serbia Logo
04:20 - 12:30IST-LHR
10h 10m1 stop
$400Air Serbia
Find Deal
Mon, 22 Sep - Mon, 29 Sep

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
17 Sept
LHR13:30London Heathrow
24h 20m
1 stop
IST15:50Istanbul
23 Sept
IST04:20Istanbul
10h 10m
1 stop
LHR12:30London Heathrow
$360
Find similar
Air Serbia
22 Sept
LHR13:30London Heathrow
12h 00m
1 stop
IST03:30Istanbul
29 Sept
IST04:20Istanbul
10h 10m
1 stop
LHR12:30London Heathrow
$400
Find similar
Air Serbia
10 Sept
LHR13:30London Heathrow
24h 20m
1 stop
IST15:50Istanbul
17 Sept
IST15:40Istanbul
22h 50m
1 stop
LHR12:30London Heathrow
$401
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
12 Sept
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
16 Sept
IST13:05Istanbul
4h 00m
LHR15:05London Heathrow
$334
Find similar
Turkish Airlines
26 Sept
LHR19:05London Heathrow
3h 55m
IST01:00Istanbul
1 Oct
IST13:45Istanbul
4h 10m
LHR15:55London Heathrow
$349
Find similar
Turkish Airlines
7 Oct
LHR16:40London Heathrow
4h 00m
IST22:40Istanbul
16 Oct
IST13:55Istanbul
4h 05m
LHR16:00London Heathrow
$353
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Istanbul Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 9 September 2025.
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

Tue 14/10

18:35-00:30

Nonstop3h 55m

Istanbul

Tue 21/10

19:55-21:55

Nonstop4h 00m

$302

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 26/2

17:30-00:25

Nonstop3h 55m

Istanbul

Sat 21/3

18:40-19:55

Nonstop4h 15m

$315

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 6/1

06:55-13:50

Nonstop3h 55m

Istanbul

Tue 13/1

07:35-09:05

Nonstop4h 30m

$316

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 5/11

06:30-16:55

1 stop7h 25m

Istanbul

Sun 9/11

04:50-07:55

1 stop6h 05m

$324

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 28/2

06:30-16:55

1 stop7h 25m

Istanbul

Mon 23/3

04:50-07:55

1 stop6h 05m

$330

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 23/9

17:10-01:20

1 stop6h 10m

Istanbul

Sun 28/9

06:10-10:45

1 stop6h 35m

$337

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 29/11

06:30-16:55

1 stop7h 25m

Istanbul

Sun 7/12

17:55-20:50

1 stop5h 55m

$339

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 26/9

19:05-01:00

Nonstop3h 55m

Istanbul

Wed 1/10

13:45-15:55

Nonstop4h 10m

$349

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

16:40-22:40

Nonstop4h 00m

Istanbul

Thu 16/10

13:55-16:00

Nonstop4h 05m

$353

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 22/9

13:30-03:30

1 stop12h 00m

Istanbul

Mon 29/9

04:20-12:30

1 stop10h 10m

$400

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 $315. 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 $325.

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

According to our data, Tuesday is the cheapest day to fly to Istanbul Airport from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was $1,150. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Saturday is $2,001.

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

At midday 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 $644. Flying to Istanbul Airport at midday is an ideal time because this is during off-peak travel hours. Flights to Istanbul Airport are more costly in the morning, with an average ticket price of $1,678. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $447 when searching weeks before you fly. 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 $406 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 42% 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 September 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 return 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

$720

Fastest flight time

3h 45m

Direct flights

Every day
The best one-way flight to Istanbul Airport from London Heathrow Airport in the past 72 hours is $720. The best return flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is $1,135.
The fastest flight from London Heathrow Airport to Istanbul Airport takes 3h 45m
Direct flights go from London Heathrow Airport to Istanbul Airport every day.
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    The straight-line distance from London Heathrow to Istanbul is 2486.0 km. Typically, this will take 3h 50m by plane in normal conditions.

  • 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 were last updated today.

  • 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?

    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 stopovers 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 travel and health documents required for your trip to Istanbul Airport 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 licence, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $275Free cancellationRating
6.7
7,358 reviews
Search British Airways flights

  • British Airways Flights From London Heathrow Airport to Istanbul Airport

    British Airways is one of the most popular airlines flying from London Heathrow Airport to Istanbul Airport, operating 8 flights/week on average for this route. A good British Airways flight deal for London Heathrow Airport to Istanbul Airport starts from $181 round-trip, up to an average price of $247. Our users have rated British Airways at 6.7/10.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Istanbul from London.

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 helps you find the best flight between London and Istanbul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 Airport trip

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