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Cheap flights from London Heathrow Airport to Istanbul from £87

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 3/11. 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

British Airways Logo
19:05 - 00:55LHR-IST
3h 50mdirect
British Airways Logo
20:15 - 22:15IST-LHR
4h 00mdirect
£131British Airways
Find Deal
Sun, 5 Oct - Mon, 20 Oct
British Airways Logo
18:30 - 00:20LHR-IST
3h 50mdirect
British Airways Logo
20:15 - 22:15IST-LHR
4h 00mdirect
£131British Airways
Find Deal
Sat, 4 Oct - Mon, 20 Oct
British Airways Logo
18:30 - 00:20LHR-IST
3h 50mdirect
British Airways Logo
19:55 - 21:55IST-LHR
4h 00mdirect
£135British Airways
Find Deal
Sat, 4 Oct - Tue, 14 Oct
Turkish Airlines Logo
06:30 - 12:30LHR-IST
4h 00mdirect
Turkish Airlines Logo
14:45 - 16:40IST-LHR
3h 55mdirect
£141Turkish Airlines
Find Deal
Sat, 4 Oct - Fri, 10 Oct
Turkish Airlines Logo
19:05 - 01:00LHR-IST
3h 55mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
£154Turkish Airlines
Find Deal
Wed, 1 Oct - Thu, 9 Oct
Multiple Airlines Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Multiple Airlines Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
£156Multiple Airlines
Find Deal
Wed, 5 Nov - Sun, 9 Nov
Air France Logo
08:55 - 03:50LHR-IST
15h 55m1 stop
Air France Logo
04:50 - 13:45IST-LHR
11h 55m1 stop
£157Air France
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Air Serbia Logo
13:20 - 15:55LHR-IST
23h 35m1 stop
Air Serbia Logo
05:20 - 12:20IST-LHR
10h 00m1 stop
£164Air Serbia
Find Deal
Sun, 2 Nov - Tue, 4 Nov
Multiple Airlines Logo
08:55 - 03:50LHR-IST
15h 55m1 stop
Multiple Airlines Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
£164Multiple Airlines
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Air Serbia Logo
19:55 - 14:55LHR-IST
17h 00m1 stop
Air Serbia Logo
16:35 - 12:30IST-LHR
21h 55m1 stop
£165Air Serbia
Find Deal
Sat, 4 Oct - Mon, 13 Oct

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
5 Oct
LHR19:05London Heathrow
3h 50m
IST00:55Istanbul
20 Oct
IST20:15Istanbul
4h 00m
LHR22:15London Heathrow
£131
Find similar
British Airways
4 Oct
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
20 Oct
IST20:15Istanbul
4h 00m
LHR22:15London Heathrow
£131
Find similar
British Airways
4 Oct
LHR18:30London Heathrow
3h 50m
IST00:20Istanbul
14 Oct
IST19:55Istanbul
4h 00m
LHR21:55London Heathrow
£135
Find similar

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
2 Nov
LHR13:20London Heathrow
23h 35m
1 stop
IST15:55Istanbul
4 Nov
IST05:20Istanbul
10h 00m
1 stop
LHR12:20London Heathrow
£164
Find similar
Air Serbia
4 Oct
LHR19:55London Heathrow
17h 00m
1 stop
IST14:55Istanbul
13 Oct
IST16:35Istanbul
21h 55m
1 stop
LHR12:30London Heathrow
£165
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 279,928 searches. Data last updated 17 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

Sun 5/10

19:05-00:55

Nonstop3h 50m

Istanbul

Mon 20/10

20:15-22:15

Nonstop4h 00m

£131

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

18:30-00:20

Nonstop3h 50m

Istanbul

Mon 20/10

20:15-22:15

Nonstop4h 00m

£131

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

18:30-00:20

Nonstop3h 50m

Istanbul

Tue 14/10

19:55-21:55

Nonstop4h 00m

£135

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

06:30-12:30

Nonstop4h 00m

Istanbul

Fri 10/10

14:45-16:40

Nonstop3h 55m

£141

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 1/10

19:05-01:00

Nonstop3h 55m

Istanbul

Thu 9/10

20:30-22:25

Nonstop3h 55m

£154

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

£156

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 14/11

08:55-03:50

1 stop15h 55m

Istanbul

Sun 16/11

04:50-13:45

1 stop11h 55m

£157

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 2/11

13:20-15:55

1 stop23h 35m

Istanbul

Tue 4/11

05:20-12:20

1 stop10h 00m

£164

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 14/11

08:55-03:50

1 stop15h 55m

Istanbul

Sun 16/11

17:55-20:50

1 stop5h 55m

£164

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

19:55-14:55

1 stop17h 00m

Istanbul

Mon 13/10

16:35-12:30

1 stop21h 55m

£165

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 £152. If you are unable to visit Istanbul Airport during the month of January, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around £158.

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 £509. The most expensive day to fly to Istanbul Airport is Saturday, with ticket prices averaging around £562.

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

Flying to Istanbul Airport from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £310 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £519 on average. Flights to Istanbul Airport from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ 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 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 £216 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 £196 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.

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 22% 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

£218

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 £218. The best return flight deal from London Heathrow Airport to Istanbul Airport found on momondo in the last 72 hours is £386.
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 1544.7 mi. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.

  • 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 refreshed on a daily basis.

  • 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 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 Airport.

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

    The required travel and health documents for your Istanbul Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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
Wizz AirPriceFrom £46Free CancellationRating
6.0
151 reviews
Search Wizz Air flights
AjetPriceFrom £63Free CancellationRating
6.1
13 reviews
Search Ajet flights
Pegasus AirlinesPriceFrom £66Free CancellationRating
6.7
638 reviews
Search Pegasus Airlines flights
Air SerbiaPriceFrom £101Free CancellationRating
6.2
200 reviews
Search Air Serbia flights
Aegean AirlinesPriceFrom £112Free CancellationRating
8.1
786 reviews
Search Aegean Airlines flights
Air FrancePriceFrom £117Free CancellationRating
7.4
1,468 reviews
Search Air France flights
KM Malta AirlinesPriceFrom £124Free CancellationRating
7.1
65 reviews
Search KM Malta Airlines flights
British AirwaysPriceFrom £127Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
KLMPriceFrom £151Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Turkish AirlinesPriceFrom £153Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From London Heathrow Airport to Istanbul Airport

    Turkish Airlines is one of the most popular airlines flying from London Heathrow Airport to Istanbul Airport, operating 23 flights/week on average for this route. A good Turkish Airlines flight deal for London Heathrow Airport to Istanbul Airport starts from £209 round-trip, up to an average price of £310. Our users have rated Turkish Airlines at 7.3/10.

  • British Airways Flights From London Heathrow Airport to Istanbul Airport

    British Airways (6.7/10 from 7,363 reviews) operates around 6 flights from London Heathrow Airport to Istanbul Airport in any given week. The average British Airways airfare for this route is around £266, with deals from around £174 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Istanbul Airport flight searches in the last 72 hours.

Travelling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Istanbul for you.

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

Yes. momondo enables you to select and highlight flights to Istanbul from London with this policy.

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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