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Cheap flights from London Heathrow Airport to Istanbul Airport from £89

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
16 Jul — 23 Jul1
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 Sunday or Tuesday 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 16 June 2026.

Thu 1/1018:35
LHR
-
IST
Nonstop3h 50m
British Airways
Mon 5/1020:15
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 15/6£131
Wed 30/908:55
LHR
-
IST
Nonstop3h 55m
British Airways
Sat 3/1018:30
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 14/6£138
Thu 10/918:35
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 15/917:45
IST
-
LHR
Nonstop4h 10m
British Airways
Deal found 16/6£146
Fri 3/706:05
LHR
-
IST
Nonstop3h 50m
British Airways
Sat 11/719:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 16/6£147
Sun 27/908:40
LHR
-
IST
Nonstop3h 55m
British Airways
Wed 30/919:25
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 14/6£151
Sun 21/619:05
LHR
-
IST
Nonstop3h 50m
British Airways
Sat 11/708:15
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 12/6£154
Thu 25/618:35
LHR
-
IST
Nonstop3h 50m
British Airways
Thu 2/720:05
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 12/6£157
Thu 3/1206:30
LHR
-
IST
1 stop7h 25m
KLM
Mon 7/1217:55
IST
-
LHR
1 stop5h 55m
KLM
Deal found 14/6£158
Mon 21/909:55
LHR
-
IST
1 stop13h 25m
Multiple Airlines
Mon 28/920:15
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 12/6£159
Mon 14/920:55
LHR
-
IST
1 stop26h 25m
Multiple Airlines
Mon 5/1020:15
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 15/6£159
Wed 9/911:45
LHR
-
IST
1 stop11h 35m
Multiple Airlines
Tue 6/1014:35
IST
-
LHR
Nonstop4h 10m
Multiple Airlines
Deal found 12/6£161
Fri 25/908:40
LHR
-
IST
1 stop14h 40m
Multiple Airlines
Tue 29/919:55
IST
-
LHR
Nonstop4h 00m
Multiple Airlines
Deal found 12/6£162

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 16 June 2026.

Round-trip from

£131

One-way from

£89

Popular in

July

Cheapest in

November

Average price

£211

Good round-trip deal

£362 or less

Good one-way deal

£188 or less
British Airways
  • British Airways
  • 1/10-5/10
  • Nonstop
  • 7h 50m total
  • London to Istanbul
Search Deals
KLM
  • KLM
  • 27/8
  • 1 total stop
  • 8h 35m 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 (£8 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 16 June 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

Thu 3/12

06:30-16:55

1 stop7h 25m

Istanbul

Sun 6/12

17:55-20:50

1 stop5h 55m

£162

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 30/10

07:00-13:55

Nonstop3h 55m

Istanbul

Thu 5/11

14:35-16:00

Nonstop4h 25m

£176

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 22/11

13:20-20:15

Nonstop3h 55m

Istanbul

Tue 24/11

14:55-16:20

Nonstop4h 25m

£184

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 14/11

07:00-13:55

Nonstop3h 55m

Istanbul

Wed 18/11

18:45-20:00

Nonstop4h 15m

£185

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 23/9

13:30-03:40

1 stop12h 10m

Istanbul

Sat 26/9

04:25-19:05

1 stop16h 40m

£191

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 30/6

17:50-02:05

1 stop6h 15m

Istanbul

Wed 1/7

03:45-08:15

1 stop6h 30m

£204

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 7/9

18:35-00:25

Nonstop3h 50m

Istanbul

Fri 11/9

20:30-22:30

Nonstop4h 00m

£206

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 9/7

18:35-00:25

Nonstop3h 50m

Istanbul

Thu 16/7

20:05-22:05

Nonstop4h 00m

£219

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 28/6

19:05-00:55

Nonstop3h 50m

Istanbul

Wed 29/7

15:45-17:55

Nonstop4h 10m

£236

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 3/7

07:30-21:35

1 stop12h 05m

Istanbul

Mon 6/7

03:45-15:40

1 stop13h 55m

£256

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 22 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 £341). 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 16 June 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 17% 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 13 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 16 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as KLM,Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

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
1,528 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

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
4,409 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

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
8,066 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

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
8,052 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Wizz Air
6.3
Okay
169 reviews
KLM
7.8
Good
1,528 reviews
Check prices

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.2

Comfort

7.7

Food

7.3

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?

    KLM, British Airways, and Air Serbia can get you from London Heathrow Airport to Istanbul Airport in just under 3h 55m. Your travel time can differ by up to 8h 15m. 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 £34. 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 Avianca (90%), Icelandair (90%) and British Airways (86%).

  • 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 £906, our data indicates the cheapest price to be £130. The most popular route (London Heathrow - Istanbul), is priced around £138.

  • 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 £341). 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 16 June 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£34Average£139FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£41Average£161FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£55Average£119FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air FranceCheapest£91Average£180FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aegean AirlinesCheapest£93Average£246FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£96Average£175FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£126Average£171FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£147Average£228FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£151Average£217FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£160Average£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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