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Cheap flights from London Heathrow Airport to Istanbul from £88

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 25/9. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
06:10 - 10:45IST-LHR
6h 35m1 stop
£146KLM
Find Deal
Mon, 22 Sep - Wed, 1 Oct
KLM Logo
17:10 - 01:20LHR-IST
6h 10m1 stop
KLM Logo
17:05 - 20:55IST-LHR
5h 50m1 stop
£147KLM
Find Deal
Mon, 22 Sep - Wed, 1 Oct
British Airways Logo
13:20 - 19:15LHR-IST
3h 55mdirect
British Airways Logo
08:25 - 10:35IST-LHR
4h 10mdirect
£153British Airways
Find Deal
Mon, 8 Sep - Wed, 17 Sep
Logo
19:00 - 16:00LHR-IST
18h 00m1 stop
Logo
15:15 - 16:40IST-LHR
4h 25mdirect
£153
Find Deal
Fri, 16 Jan - Mon, 19 Jan
British Airways Logo
17:55 - 00:50LHR-IST
3h 55mdirect
British Airways Logo
07:35 - 09:05IST-LHR
4h 30mdirect
£154British Airways
Find Deal
Mon, 3 Nov - Tue, 25 Nov
British Airways Logo
18:15 - 01:10LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
£155British Airways
Find Deal
Sun, 16 Nov - Tue, 25 Nov
Logo
14:50 - 16:50LHR-SAW
24h 00m1 stop
Logo
15:00 - 17:05SAW-LHR
4h 05mdirect
£159
Find Deal
Thu, 25 Sep - Mon, 13 Oct
Turkish Airlines Logo
18:00 - 00:55LHR-IST
3h 55mdirect
Turkish Airlines Logo
14:55 - 16:05IST-LHR
4h 10mdirect
£159Turkish Airlines
Find Deal
Thu, 6 Nov - Wed, 19 Nov
Air France Logo
19:45 - 03:25LHR-IST
5h 40m1 stop
Air France Logo
04:20 - 13:45IST-LHR
11h 25m1 stop
£165Air France
Find Deal
Mon, 1 Sep - Sat, 20 Sep
Turkish Airlines Logo
18:30 - 00:20LHR-IST
3h 50mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
£179Turkish Airlines
Find Deal
Tue, 9 Sep - Thu, 18 Sep

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
8 Sept
LHR13:20London Heathrow
3h 55m
IST19:15Istanbul
17 Sept
IST08:25Istanbul
4h 10m
LHR10:35London Heathrow
£153
Find similar
British Airways
3 Nov
LHR17:55London Heathrow
3h 55m
IST00:50Istanbul
25 Nov
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
£154
Find similar
British Airways
16 Nov
LHR18:15London Heathrow
3h 55m
IST01:10Istanbul
25 Nov
IST18:40Istanbul
4h 15m
LHR19:55London Heathrow
£155
Find similar

KLM flights from London Heathrow Airport to Istanbul

Our best KLM deals on London Heathrow Airport to Istanbul flight tickets
KLM
22 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
1 Oct
IST06:10Istanbul
6h 35m
1 stop
LHR10:45London Heathrow
£146
Find similar
KLM
22 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
1 Oct
IST17:05Istanbul
5h 50m
1 stop
LHR20:55London Heathrow
£147
Find similar
KLM
10 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
1 Oct
IST06:10Istanbul
6h 35m
1 stop
LHR10:45London Heathrow
£166
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 279,928 searches. Data last updated 1 August 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

Mon 22/9

17:10-01:20

1 stop6h 10m

Istanbul

Wed 1/10

06:10-10:45

1 stop6h 35m

£146

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 22/9

17:10-01:20

1 stop6h 10m

Istanbul

Wed 1/10

17:05-20:55

1 stop5h 50m

£147

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 8/9

13:20-19:15

Nonstop3h 55m

Istanbul

Wed 17/9

08:25-10:35

Nonstop4h 10m

£153

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 16/1

19:00-16:00

1 stop18h 00m

Istanbul

Mon 19/1

15:15-16:40

Nonstop4h 25m

£153

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 3/11

17:55-00:50

Nonstop3h 55m

Istanbul

Tue 25/11

07:35-09:05

Nonstop4h 30m

£154

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 16/11

18:15-01:10

Nonstop3h 55m

Istanbul

Tue 25/11

18:40-19:55

Nonstop4h 15m

£155

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Thu 25/9

14:50-16:50

1 stop24h 00m

Istanbul Sabiha Gokcen

Mon 13/10

15:00-17:05

Nonstop4h 05m

£159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/11

18:00-00:55

Nonstop3h 55m

Istanbul

Wed 19/11

14:55-16:05

Nonstop4h 10m

£159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 1/9

19:45-03:25

1 stop5h 40m

Istanbul

Sat 20/9

04:20-13:45

1 stop11h 25m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 9/9

18:30-00:20

Nonstop3h 50m

Istanbul

Thu 18/9

20:30-22:25

Nonstop3h 55m

£179

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 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 £156. If you aren’t able to travel to Istanbul during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £162.

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

On average, the least expensive day to fly to Istanbul from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £520. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Istanbul on a Saturday will generally be more expensive and average around £579. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Istanbul from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £324 when looking at flights departing in the evening. Flights to Istanbul are more costly in the afternoon, with an average ticket price of £523. Departure times in the afternoon 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 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 £223 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 £206 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

Best price found

£88

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Istanbul

2 airports
The best one-way flight to Istanbul from London Heathrow Airport in the past 72 hours is £88. The best return flight deal from London Heathrow Airport to Istanbul found on momondo in the last 72 hours is £146.
The fastest flight from London Heathrow Airport to Istanbul takes 3h 50m
Direct flights go from London Heathrow Airport to Istanbul every day.
There are 2 airports near Istanbul: Istanbul Sabiha Gokcen (SAW), Istanbul (IST)
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  • How far is London Heathrow to Istanbul by plane?

    There are 1564.7 mi between London Heathrow and Istanbul. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Istanbul?

    Prices for flights from London Heathrow Airport to Istanbul are updated 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?

    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.

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

    The required travel and health documents for your Istanbul 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. We recommend that you seek guidance from your airline or a reliable 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
Wizz AirPriceFrom £46Free CancellationRating
6.0
144 reviews
Search Wizz Air flights
Pegasus AirlinesPriceFrom £51Free CancellationRating
6.7
637 reviews
Search Pegasus Airlines flights
AjetPriceFrom £76Free CancellationRating
6.1
13 reviews
Search Ajet flights
Air SerbiaPriceFrom £104Free CancellationRating
6.3
196 reviews
Search Air Serbia flights
Air FrancePriceFrom £120Free CancellationRating
7.5
1,465 reviews
Search Air France flights
British AirwaysPriceFrom £129Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Aegean AirlinesPriceFrom £132Free CancellationRating
8.1
781 reviews
Search Aegean Airlines flights
LOTPriceFrom £141Free CancellationRating
7.6
1,105 reviews
Search LOT flights
KLMPriceFrom £158Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Turkish AirlinesPriceFrom £158Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Istanbul . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for London to Istanbul flights to just show those with 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?

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 20.9 mi from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport