Cheap flights from London Heathrow Airport to Istanbul from $183

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 6/2. 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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Cheap return flights

Enter your travel dates to find the best prices.
Aegean Airlines Logo
22:15 - 10:35LHR-IST
9h 20m1 stop
Aegean Airlines Logo
06:30 - 15:30IST-LHR
12h 00m1 stop
$301Aegean Airlines
Find Deal
Sun, 18 Jan - Sat, 24 Jan
British Airways Logo
18:05 - 01:00LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$307British Airways
Find Deal
Wed, 19 Nov - Tue, 25 Nov
Multiple Airlines Logo
13:20 - 16:50LHR-IST
24h 30m1 stop
Multiple Airlines Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$309Multiple Airlines
Find Deal
Wed, 19 Nov - Tue, 25 Nov
British Airways Logo
18:05 - 01:00LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$312British Airways
Find Deal
Wed, 19 Nov - Tue, 2 Dec
British Airways Logo
07:00 - 13:55LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
$314British Airways
Find Deal
Fri, 20 Feb - Sat, 28 Feb
British Airways Logo
06:55 - 13:50LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$318British Airways
Find Deal
Tue, 10 Mar - Tue, 17 Mar
Turkish Airlines Logo
06:35 - 13:35LHR-IST
4h 00mdirect
Turkish Airlines Logo
15:10 - 16:10IST-LHR
4h 00mdirect
$330Turkish Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Turkish Airlines Logo
17:45 - 00:35LHR-IST
3h 50mdirect
Turkish Airlines Logo
14:55 - 16:05IST-LHR
4h 10mdirect
$332Turkish Airlines
Find Deal
Thu, 27 Nov - Wed, 3 Dec
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
$338KLM
Find Deal
Sun, 18 Jan - Wed, 21 Jan
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
$352KLM
Find Deal
Mon, 19 Jan - Fri, 23 Jan

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
19 Nov
LHR18:05London Heathrow
3h 55m
IST01:00Istanbul
25 Nov
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
British Airways
19 Nov
LHR18:05London Heathrow
3h 55m
IST01:00Istanbul
2 Dec
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
British Airways
20 Feb
LHR07:00London Heathrow
3h 55m
IST13:55Istanbul
28 Feb
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow

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
28 Nov
LHR06:35London Heathrow
4h 00m
IST13:35Istanbul
5 Dec
IST15:10Istanbul
4h 00m
LHR16:10London Heathrow
Turkish Airlines
27 Nov
LHR17:45London Heathrow
3h 50m
IST00:35Istanbul
3 Dec
IST14:55Istanbul
4h 10m
LHR16:05London Heathrow
Turkish Airlines
1 Dec
LHR16:35London Heathrow
3h 50m
IST23:25Istanbul
4 Dec
IST15:10Istanbul
4h 00m
LHR16:10London Heathrow

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 4 November 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

Sun 18/1

22:15-10:35

1 stop9h 20m

Istanbul

Sat 24/1

06:30-15:30

1 stop12h 00m

$301

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 19/11

18:05-01:00

Nonstop3h 55m

Istanbul

Tue 25/11

14:55-16:20

Nonstop4h 25m

$307

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 19/11

13:20-16:50

1 stop24h 30m

Istanbul

Tue 25/11

14:55-16:20

Nonstop4h 25m

$309

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 19/11

18:05-01:00

Nonstop3h 55m

Istanbul

Tue 2/12

14:55-16:20

Nonstop4h 25m

$312

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 20/2

07:00-13:55

Nonstop3h 55m

Istanbul

Sat 28/2

18:40-19:55

Nonstop4h 15m

$314

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 10/3

06:55-13:50

Nonstop3h 55m

Istanbul

Tue 17/3

14:55-16:20

Nonstop4h 25m

$318

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 28/11

06:35-13:35

Nonstop4h 00m

Istanbul

Fri 5/12

15:10-16:10

Nonstop4h 00m

$330

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

17:45-00:35

Nonstop3h 50m

Istanbul

Wed 3/12

14:55-16:05

Nonstop4h 10m

$332

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 18/1

06:30-16:55

1 stop7h 25m

Istanbul

Wed 21/1

17:55-20:50

1 stop5h 55m

$338

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 19/1

06:30-16:55

1 stop7h 25m

Istanbul

Fri 23/1

17:55-20:50

1 stop5h 55m

$352

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $321. 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 $330.

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

According to our data, Sunday is the cheapest day to fly to Istanbul Airport from London Heathrow Airport. The lowest ticket price found for a Sunday departure recently was $1,381. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Monday is $1,775.

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 $556. 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 $1,637. 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 $456 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 $412 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 28% 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 November 2025, prices for London Heathrow Airport to Istanbul Airport flights are approximately 78% 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

$2,076

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 $2,076. The best return flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is $1,496.
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.
  • 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 $318Free cancellationRating
6.7
7,496 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 4 flights/week on average for this route. A good British Airways flight deal for London Heathrow Airport to Istanbul Airport starts from $318 round-trip, up to an average price of $380. 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.

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1 adult
Thu 4/12
Thu 11/12

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