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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 28/11. 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

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:05 - 01:00LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$308British 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
$310Multiple Airlines
Find Deal
Wed, 19 Nov - Tue, 25 Nov
British Airways Logo
18:15 - 01:10LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
$311British Airways
Find Deal
Sun, 30 Nov - Fri, 12 Dec
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 08:00IST-LHR
6h 10m1 stop
$319Multiple Airlines
Find Deal
Sun, 18 Jan - Tue, 20 Jan
Turkish Airlines Logo
16:35 - 23:25LHR-IST
3h 50mdirect
Turkish Airlines Logo
14:55 - 16:05IST-LHR
4h 10mdirect
$330Turkish Airlines
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Wed, 26 Nov - Wed, 3 Dec
Turkish Airlines Logo
15:15 - 22:20LHR-IST
4h 05mdirect
Turkish Airlines Logo
21:25 - 22:25IST-LHR
4h 00mdirect
$331Turkish 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
$339KLM
Find Deal
Tue, 9 Dec - Sat, 13 Dec
Air Serbia Logo
13:30 - 15:55LHR-IST
24h 25m1 stop
Air Serbia Logo
04:20 - 18:45IST-LHR
16h 25m1 stop
$340Air Serbia
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Sun, 3 May - Sun, 10 May
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
$342KLM
Find Deal
Mon, 19 Jan - Fri, 23 Jan
Air Serbia Logo
19:25 - 03:35LHR-IST
6h 10m1 stop
Air Serbia Logo
15:40 - 12:35IST-LHR
22h 55m1 stop
$394Air Serbia
Find Deal
Sun, 29 Mar - Fri, 3 Apr

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
19 Nov
LHR18:05London Heathrow
3h 55m
IST01:00Istanbul
25 Nov
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
$308
Find similar
British Airways
30 Nov
LHR18:15London Heathrow
3h 55m
IST01:10Istanbul
12 Dec
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
$311
Find similar
British Airways
19 Nov
LHR18:05London Heathrow
3h 55m
IST01:00Istanbul
3 Dec
IST14:45Istanbul
4h 25m
LHR16:10London Heathrow
$313
Find similar

KLM flights from London Heathrow Airport to Istanbul

Our best KLM deals on London Heathrow Airport to Istanbul flight tickets
KLM
9 Dec
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
13 Dec
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
$339
Find similar
KLM
19 Jan
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
23 Jan
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
$342
Find similar
KLM
4 Jan
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
14 Jan
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
$368
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Istanbul 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 6 November 2025.
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

Wed 19/11

18:05-01:00

Nonstop3h 55m

Istanbul

Tue 25/11

14:55-16:20

Nonstop4h 25m

$308

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

$310

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 30/11

18:15-01:10

Nonstop3h 55m

Istanbul

Fri 12/12

14:55-16:20

Nonstop4h 25m

$311

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 18/1

06:30-16:55

1 stop7h 25m

Istanbul

Tue 20/1

04:50-08:00

1 stop6h 10m

$319

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 26/11

16:35-23:25

Nonstop3h 50m

Istanbul

Wed 3/12

14:55-16:05

Nonstop4h 10m

$330

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

15:15-22:20

Nonstop4h 05m

Istanbul

Wed 3/12

21:25-22:25

Nonstop4h 00m

$331

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 9/12

06:30-16:55

1 stop7h 25m

Istanbul

Sat 13/12

17:55-20:50

1 stop5h 55m

$339

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 3/5

13:30-15:55

1 stop24h 25m

Istanbul

Sun 10/5

04:20-18:45

1 stop16h 25m

$340

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

$342

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 29/3

19:25-03:35

1 stop6h 10m

Istanbul

Fri 3/4

15:40-12:35

1 stop22h 55m

$394

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

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?

What is the cheapest month to fly to Istanbul?

The month of January is, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around $322. The month of March is another great option to travel to Istanbul, with average flight prices from London Heathrow Airport averaging around $331.

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

The cheapest day to depart on your flight to Istanbul is on a Sunday when prices can be found for as low as $1,384. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Istanbul for around $1,779.

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

At midday is the cheapest time of day to fly from London Heathrow Airport to Istanbul when you can find flight prices for as low as $557. Flying to Istanbul at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,640. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Istanbul flight route?

Fly from London Heathrow to Istanbul Sabiha Gokcen 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 $457 when searching weeks before you fly. 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 $413 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

1 airport
The fastest flight from London Heathrow Airport to Istanbul takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul every day.
There is 1 airport near Istanbul: Istanbul (IST)
Search flight deals

  • How far is London Heathrow to Istanbul by plane?

    The straight-line distance from London Heathrow to Istanbul is 2518.1 km. 3h 50m is a normal flight duration for this route.

  • 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?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 licence 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 AirwaysPriceFrom $319Free cancellationRating
6.7
7,496 reviews
Search British Airways flights

Why use momondo?

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?

momondo does allow users to show only those flights to Istanbul from London which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Istanbul trip

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 33.6 km from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport