Cheap flights from London Heathrow Airport to Istanbul from £84

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 20/2. 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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0 bags

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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
07:00 - 13:55
LHR
-
IST
3h 55mdirect
British Airways Logo
07:35 - 09:05
IST
-
LHR
4h 30mdirect
£110British Airways
Sat, 21 Feb - Thu, 26 Feb
British Airways Logo
10:35 - 17:30
LHR
-
IST
3h 55mdirect
British Airways Logo
14:55 - 16:20
IST
-
LHR
4h 25mdirect
£112British Airways
Fri, 20 Feb - Tue, 24 Feb
British Airways Logo
10:35 - 17:30
LHR
-
IST
3h 55mdirect
British Airways Logo
07:35 - 09:05
IST
-
LHR
4h 30mdirect
£116British Airways
Fri, 20 Feb - Thu, 26 Feb
British Airways Logo
17:40 - 00:35
LHR
-
IST
3h 55mdirect
British Airways Logo
08:15 - 09:45
IST
-
LHR
4h 30mdirect
£119British Airways
Sat, 7 Feb - Mon, 9 Feb
British Airways Logo
17:55 - 00:50
LHR
-
IST
3h 55mdirect
British Airways Logo
18:45 - 20:00
IST
-
LHR
4h 15mdirect
£123British Airways
Mon, 23 Mar - Wed, 25 Mar
Turkish Airlines Logo
16:35 - 23:25
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
12:15 - 13:30
IST
-
LHR
4h 15mdirect
£134Turkish Airlines
Fri, 6 Feb - Mon, 9 Feb
Turkish Airlines Logo
06:35 - 13:35
LHR
-
IST
4h 00mdirect
Turkish Airlines Logo
12:15 - 13:30
IST
-
LHR
4h 15mdirect
£137Turkish Airlines
Fri, 6 Feb - Mon, 9 Feb
Turkish Airlines Logo
17:45 - 00:35
LHR
-
IST
3h 50mdirect
Turkish Airlines Logo
14:55 - 16:05
IST
-
LHR
4h 10mdirect
£139Turkish Airlines
Thu, 5 Mar - Wed, 11 Mar
Turkish Airlines Logo
06:35 - 13:35
LHR
-
IST
4h 00mdirect
Turkish Airlines Logo
15:10 - 16:10
IST
-
LHR
4h 00mdirect
£140Turkish Airlines
Fri, 6 Mar - Tue, 10 Mar
Multiple Airlines Logo
08:50 - 21:20
LHR
-
SAW
9h 30m
1 stop
Multiple Airlines Logo
11:10 - 21:20
SAW
-
LHR
13h 10m
1 stop
£149Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar

British Airways flights from London Heathrow Airport to Istanbul

Our best British Airways deals on London Heathrow Airport to Istanbul flight tickets
British Airways
21 Feb
LHR07:00London Heathrow
3h 55m
IST13:55Istanbul
26 Feb
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
£110
British Airways
20 Feb
LHR10:35London Heathrow
3h 55m
IST17:30Istanbul
24 Feb
IST14:55Istanbul
4h 25m
LHR16:20London Heathrow
£112
British Airways
20 Feb
LHR10:35London Heathrow
3h 55m
IST17:30Istanbul
26 Feb
IST07:35Istanbul
4h 30m
LHR09:05London Heathrow
£116

KLM flights from London Heathrow Airport to Istanbul

Our best KLM deals on London Heathrow Airport to Istanbul flight tickets
KLM
28 Feb
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
7 Mar
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
£155
KLM
26 Feb
LHR20:25London Heathrow
17h 30m
1 stop
IST16:55Istanbul
12 Mar
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
£157
KLM
6 Mar
LHR20:25London Heathrow
17h 30m
1 stop
IST16:55Istanbul
9 Mar
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
£158

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 28 January 2026.
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

Sat 21/2

07:00-13:55

Nonstop3h 55m

Istanbul

Thu 26/2

07:35-09:05

Nonstop4h 30m

£110

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 20/2

10:35-17:30

Nonstop3h 55m

Istanbul

Tue 24/2

14:55-16:20

Nonstop4h 25m

£112

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 20/2

10:35-17:30

Nonstop3h 55m

Istanbul

Thu 26/2

07:35-09:05

Nonstop4h 30m

£116

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 7/2

17:40-00:35

Nonstop3h 55m

Istanbul

Mon 9/2

08:15-09:45

Nonstop4h 30m

£119

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 23/3

17:55-00:50

Nonstop3h 55m

Istanbul

Wed 25/3

18:45-20:00

Nonstop4h 15m

£123

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/2

16:35-23:25

Nonstop3h 50m

Istanbul

Mon 9/2

12:15-13:30

Nonstop4h 15m

£134

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/2

06:35-13:35

Nonstop4h 00m

Istanbul

Mon 9/2

12:15-13:30

Nonstop4h 15m

£137

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/3

17:45-00:35

Nonstop3h 50m

Istanbul

Wed 11/3

14:55-16:05

Nonstop4h 10m

£139

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/3

06:35-13:35

Nonstop4h 00m

Istanbul

Tue 10/3

15:10-16:10

Nonstop4h 00m

£140

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Tue 3/3

08:50-21:20

1 stop9h 30m

Istanbul Sabiha Gokcen

Tue 10/3

11:10-21:20

1 stop13h 10m

£149

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March is, on average, the cheapest month to fly to Istanbul from London Heathrow Airport, with most prices found around £161. If you aren’t able to travel to Istanbul during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £166.

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 £507. 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 £547. 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 £286 when looking at flights departing in the evening. Flights to Istanbul are more costly in the afternoon, with an average ticket price of £540. 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 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 £218 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 £197 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 40m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from London Heathrow Airport to Istanbul takes 3h 40m
Direct flights go from London Heathrow Airport to Istanbul every day.
There are 2 airports in Istanbul. From London Heathrow Airport there are direct flights to Istanbul (IST).
  • 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 40m, 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
AjetPriceFrom £36Free CancellationRating
6.3
22 reviews
Search Ajet flights
Wizz AirPriceFrom £45Free CancellationRating
6.2
160 reviews
Search Wizz Air flights
Pegasus AirlinesPriceFrom £52Free CancellationRating
6.6
636 reviews
Search Pegasus Airlines flights
Aegean AirlinesPriceFrom £91Free CancellationRating
8.1
845 reviews
Search Aegean Airlines flights
Air SerbiaPriceFrom £93Free CancellationRating
6.2
215 reviews
Search Air Serbia flights
KM Malta AirlinesPriceFrom £123Free CancellationRating
7.1
69 reviews
Search KM Malta Airlines flights
Air FrancePriceFrom £130Free CancellationRating
7.4
1,528 reviews
Search Air France flights
British AirwaysPriceFrom £130Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
KLMPriceFrom £148Free CancellationRating
7.7
1,443 reviews
Search KLM flights
Turkish AirlinesPriceFrom £150Free CancellationRating
7.3
4,209 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.

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1 adult
Fri 27/2
Fri 6/3

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