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Cheap flights from London Heathrow Airport to Istanbul from £85

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 27/9. 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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Find the cheapest flights from London Heathrow Airport to Istanbul

Cheap return flights

British Airways Logo
07:25 - 14:20LHR-IST
3h 55mdirect
British Airways Logo
14:55 - 16:20IST-LHR
4h 25mdirect
£124British Airways
Find Deal
Mon, 9 Feb - Tue, 24 Feb
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
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
Logo
13:20 - 04:25LHR-IST
12h 05m1 stop
Logo
14:55 - 16:20IST-LHR
4h 25mdirect
£152
Find Deal
Sun, 23 Nov - Tue, 2 Dec
Air France Logo
08:55 - 03:50LHR-IST
15h 55m1 stop
Air France Logo
04:50 - 07:55IST-LHR
6h 05m1 stop
£154Air France
Find Deal
Tue, 3 Mar - Tue, 17 Mar
Turkish Airlines Logo
19:05 - 01:00LHR-IST
3h 55mdirect
Turkish Airlines Logo
20:30 - 22:25IST-LHR
3h 55mdirect
£155Turkish Airlines
Find Deal
Wed, 1 Oct - Thu, 9 Oct
Logo
20:25 - 16:55LHR-IST
17h 30m1 stop
Logo
04:50 - 16:35IST-LHR
14h 45m1 stop
£156
Find Deal
Fri, 6 Feb - Sat, 7 Feb
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
Mon, 3 Nov - Sun, 9 Nov
Air Serbia Logo
13:20 - 04:25LHR-IST
12h 05m1 stop
Air Serbia Logo
16:40 - 12:20IST-LHR
22h 40m1 stop
£164Air Serbia
Find Deal
Fri, 7 Nov - Mon, 10 Nov
Air Serbia Logo
19:55 - 14:55LHR-IST
17h 00m1 stop
Air Serbia Logo
15:40 - 12:30IST-LHR
22h 50m1 stop
£165Air Serbia
Find Deal
Sat, 4 Oct - Sun, 12 Oct

Air Serbia flights from London Heathrow Airport to Istanbul

Our best Air Serbia deals on London Heathrow Airport to Istanbul flight tickets
Air Serbia
7 Nov
LHR13:20London Heathrow
12h 05m
1 stop
IST04:25Istanbul
10 Nov
IST16:40Istanbul
22h 40m
1 stop
LHR12:20London Heathrow
£164
Find similar
Air Serbia
4 Oct
LHR19:55London Heathrow
17h 00m
1 stop
IST14:55Istanbul
12 Oct
IST15:40Istanbul
22h 50m
1 stop
LHR12:30London Heathrow
£165
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
£166
Find similar

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
9 Feb
LHR07:25London Heathrow
3h 55m
IST14:20Istanbul
24 Feb
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
£124
Find similar
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
£132
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 16 September 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 9/2

07:25-14:20

Nonstop3h 55m

Istanbul

Tue 24/2

14:55-16:20

Nonstop4h 25m

£124

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

06:30-12:30

Nonstop4h 00m

Istanbul

Fri 10/10

14:45-16:40

Nonstop3h 55m

£141

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 23/11

13:20-04:25

1 stop12h 05m

Istanbul

Tue 2/12

14:55-16:20

Nonstop4h 25m

£152

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 3/3

08:55-03:50

1 stop15h 55m

Istanbul

Tue 17/3

04:50-07:55

1 stop6h 05m

£154

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

£155

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/2

20:25-16:55

1 stop17h 30m

Istanbul

Sat 7/2

04:50-16:35

1 stop14h 45m

£156

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 3/11

08:55-03:50

1 stop15h 55m

Istanbul

Sun 9/11

04:50-13:45

1 stop11h 55m

£157

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 7/11

13:20-04:25

1 stop12h 05m

Istanbul

Mon 10/11

16:40-12:20

1 stop22h 40m

£164

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 4/10

19:55-14:55

1 stop17h 00m

Istanbul

Sun 12/10

15:40-12:30

1 stop22h 50m

£165

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 £152. 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 £158.

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 £509. 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 £563. 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 £311 when looking at flights departing in the evening. Flights to Istanbul are more costly in the afternoon, with an average ticket price of £519. 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 £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 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.

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 45m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London Heathrow Airport to Istanbul takes 3h 45m
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
151 reviews
Search Wizz Air flights
AjetPriceFrom £64Free 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 £113Free CancellationRating
8.1
787 reviews
Search Aegean Airlines flights
Air FrancePriceFrom £117Free CancellationRating
7.4
1,469 reviews
Search Air France flights
KM Malta AirlinesPriceFrom £125Free CancellationRating
7.2
66 reviews
Search KM Malta Airlines flights
British AirwaysPriceFrom £128Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
KLMPriceFrom £152Free CancellationRating
7.8
1,385 reviews
Search KLM flights
Turkish AirlinesPriceFrom £154Free CancellationRating
7.3
3,968 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