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Cheap flights from London Heathrow Airport to Istanbul Airport from £83

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
12 jul.. — 19 jul..1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in November or January, booked 78 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Heathrow to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Istanbul
Explore the most affordable flight options available from Heathrow to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 juny 2026.

dt. 22/918:35
LHR
-
IST
Nonstop3h 50m
British Airways
dt. 29/917:45
IST
-
LHR
Nonstop4h 10m
British Airways
Deal found 7/6£123
ds. 28/1107:00
LHR
-
IST
Nonstop3h 55m
British Airways
dg. 29/1108:20
IST
-
LHR
Nonstop4h 30m
British Airways
Deal found 7/6£131
dt. 15/918:35
LHR
-
IST
Nonstop3h 50m
British Airways
dl. 21/920:15
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 7/6£140
ds. 28/1106:30
LHR
-
IST
1 stop8h 05m
LOT
dg. 29/1115:00
IST
-
LHR
1 stop10h 00m
LOT
Deal found 7/6£152
dc. 7/1019:15
LHR
-
IST
Nonstop3h 50m
British Airways
dt. 13/1019:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 11/6£157
dj. 1/1008:40
LHR
-
IST
1 stop14h 40m
Multiple Airlines
dl. 5/1020:15
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 9/6£158
dv. 25/906:30
LHR
-
IST
1 stop16h 50m
Multiple Airlines
dl. 28/920:15
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 11/6£159
dl. 7/918:35
LHR
-
IST
Nonstop3h 50m
British Airways
dl. 28/920:15
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 8/6£161
dt. 29/917:10
LHR
-
IST
1 stop6h 10m
Multiple Airlines
dt. 6/1019:55
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 9/6£161
dg. 4/1014:45
LHR
-
IST
1 stop8h 35m
Multiple Airlines
dc. 14/1004:25
IST
-
LHR
1 stop11h 20m
Multiple Airlines
Deal found 11/6£162
ds. 12/918:30
LHR
-
IST
Nonstop3h 50m
British Airways
dc. 30/919:25
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 8/6£163

Find flight deals from Heathrow to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 juny 2026.

Round-trip from

£123

One-way from

£83

Popular in

July

Cheapest in

November

Average price

£213

Good round-trip deal

£357 or less

Good one-way deal

£191 or less
British Airways
  • British Airways
  • 22/9-29/9
  • Nonstop
  • 8h 00m total
  • London to Istanbul
Search Deals
British Airways
  • British Airways
  • 24/6
  • Nonstop
  • 3h 50m total
  • London to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Istanbul.
Search Deals
Price to beat on a one-way flight from London Heathrow to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 12 juny 2026.
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

Cheapest return flight

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dg. 22/11

18:15-01:10

Nonstop3h 55m

Istanbul

ds. 28/11

14:55-16:20

Nonstop4h 25m

£185

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dv. 11/9

16:25-02:05

1 stop7h 40m

Istanbul

dg. 20/9

05:50-17:40

1 stop13h 50m

£195

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dj. 24/9

09:30-21:25

1 stop9h 55m

Istanbul

dv. 2/10

13:55-22:10

1 stop10h 15m

£211

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dj. 10/9

14:45-01:20

1 stop8h 35m

Istanbul

dv. 18/9

06:00-10:45

1 stop6h 45m

£220
Fastest return journey

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

ds. 5/9

18:30-00:20

Nonstop3h 50m

Istanbul

ds. 12/9

19:55-21:55

Nonstop4h 00m

£226

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dj. 9/7

18:35-00:25

Nonstop3h 50m

Istanbul

dj. 16/7

08:15-10:30

Nonstop4h 15m

£233

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dc. 24/6

19:15-01:05

Nonstop3h 50m

Istanbul

ds. 4/7

08:15-10:30

Nonstop4h 15m

£240

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dj. 25/6

18:35-00:25

Nonstop3h 50m

Istanbul

dv. 3/7

08:10-10:25

Nonstop4h 15m

£241

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dg. 26/7

06:30-21:15

1 stop12h 45m

Istanbul

dt. 4/8

03:45-15:40

1 stop13h 55m

£244

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

dt. 30/6

18:35-00:25

Nonstop3h 50m

Istanbul

dt. 7/7

08:15-10:30

Nonstop4h 15m

£252

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Istanbul Airport

How far ahead should I book a flight from London Heathrow Airport to Istanbul Airport?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Istanbul Airport?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £183). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to IST?

Find hourly flight availability from Heathrow to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 juny 2026.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport in the evening. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Istanbul Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Istanbul. Price data was last updated on 8 June 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Istanbul Airport flight should consider departing on Friday at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Heathrow Airport to Istanbul Airport?

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated 12 juny 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as KLM,LOT, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
LOT
7.5
Good
1,198 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7.4
Good
4,408 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,056 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,046 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Istanbul Airport?

    British Airways, Lufthansa, and KLM can get you from London Heathrow Airport to Istanbul Airport in just under 3h 55m. Your travel time can differ by up to 4h 40m. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Istanbul Airport round-trip?

    Flying on Ajet is currently your cheapest option to Istanbul Airport, with prices starting at £35. Additional return tickets that might be worth considering are offered by Pegasus Airlines and Wizz Air, with the lowest prices starting at £41 and £55, respectively. Ajet is 85% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Istanbul Airport one-way?

    The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £33. However, be on the lookout for offers from Ajet and Air Serbia, as they are both options that can get you from London Heathrow Airport to Istanbul Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Istanbul Airport?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Istanbul Airport are Icelandair (90%), British Airways (89%) and American Airlines (88%).

  • What are the cheapest flights from London Heathrow Airport to Istanbul Airport?

    Looking for the cheapest flight from London Heathrow Airport to Istanbul Airport? While on average our users pay £1,032, our data indicates the cheapest price to be £128. The most popular route (London Heathrow - Istanbul), is priced around £132.

  • Can I find deals for flights from Heathrow to Istanbul that include hotel bookings?

    Yes. In addition to deals on Heathrow to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Istanbul.

  • Can I find deals for business class flights from Heathrow to Istanbul?

    Yes. Cheapflights offers flight deals from Heathrow to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Istanbul Airport?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £183). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Istanbul Airport?

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

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Fly from Heathrow to Istanbul on these airlines

Choose from the following airlines for your flight from Heathrow to Istanbul. Flights are based on user searches made on Cheapflights and were last updated on 12 juny 2026.
Turkish Airlines flights from London Heathrow to Istanbul
British Airways flights from London Heathrow to Istanbul
LOT flights from London Heathrow to Istanbul

Top 10 airlines flying from Heathrow to Istanbul

Discover the top 10 airlines that operate flights from Heathrow to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 juny 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£35Average£133FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£41Average£160FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£55Average£122FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air FranceCheapest£91Average£180FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aegean AirlinesCheapest£94Average£247FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£96Average£174FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£127Average£171FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£147Average£226FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£152Average£216FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£161Average£244FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Istanbul?

Deals for Heathrow to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Istanbul?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Istanbul for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Istanbul with no change fees?

Yes, we can. To see specific flights from Heathrow to Istanbul with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Istanbul become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from Heathrow today and book when prices fit your budget.

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