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Cheap flights from London Heathrow Airport to Istanbul Airport from £84

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
11 Aug — 18 Aug1
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 Tuesday

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 July 2026.

Mon 26/1006:30
LHR
-
IST
1 stop8h 05m
LOT
Fri 30/1015:00
IST
-
LHR
1 stop10h 00m
LOT
Deal found 11/7£151
Sun 4/1019:05
LHR
-
IST
Nonstop3h 50m
British Airways
Fri 9/1020:30
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 8/7£154
Mon 30/1108:55
LHR
-
IST
1 stop6h 00m
Air France
Wed 16/1207:15
IST
-
LHR
1 stop6h 15m
Air France
Deal found 11/7£157
Fri 18/920:55
LHR
-
IST
1 stop26h 25m
KLM
Wed 23/917:20
IST
-
LHR
1 stop5h 35m
KLM
Deal found 9/7£158
Fri 21/806:05
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 22/917:45
IST
-
LHR
Nonstop4h 10m
British Airways
Deal found 11/7£159
Tue 1/1206:20
LHR
-
IST
1 stop8h 35m
Multiple Airlines
Tue 8/1217:55
IST
-
LHR
1 stop16h 45m
Multiple Airlines
Deal found 7/7£160
Mon 21/914:45
LHR
-
IST
1 stop8h 35m
Multiple Airlines
Tue 29/904:25
IST
-
LHR
1 stop11h 20m
Multiple Airlines
Deal found 8/7£161
Tue 8/920:55
LHR
-
IST
1 stop26h 25m
KLM
Mon 30/1117:55
IST
-
LHR
1 stop5h 55m
KLM
Deal found 11/7£162
Sat 3/1018:30
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 6/1019:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 10/7£163
Fri 21/809:55
LHR
-
IST
1 stop13h 25m
KLM
Wed 16/917:20
IST
-
LHR
1 stop16h 20m
KLM
Deal found 11/7£163
Wed 9/917:10
LHR
-
IST
1 stop6h 10m
KLM
Wed 23/917:20
IST
-
LHR
1 stop5h 35m
KLM
Deal found 10/7£164
Tue 29/907:40
LHR
-
IST
Nonstop3h 55m
British Airways
Wed 7/1019:25
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 10/7£165

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 July 2026.

Round-trip from

£151

One-way from

£84

Popular in

July

Cheapest in

November

Average price

£345

Good round-trip deal

£416 or less

Good one-way deal

£198 or less
LOT
  • LOT
  • 26/10-30/10
  • 2 total stops
  • 18h 05m total
  • London to Istanbul
Search Deals
British Airways
  • British Airways
  • 27/9
  • Nonstop
  • 4h 05m total
  • London to Istanbul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£44 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 July 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 July 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

Sun 8/11

13:20-20:20

Nonstop4h 00m

Istanbul

Wed 11/11

07:35-09:05

Nonstop4h 30m

£183

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 2/10

18:50-00:40

Nonstop3h 50m

Istanbul

Thu 8/10

20:05-22:05

Nonstop4h 00m

£198

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 10/9

18:35-00:25

Nonstop3h 50m

Istanbul

Fri 18/9

20:30-22:30

Nonstop4h 00m

£227
Fastest return journey

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 24/9

18:00-23:55

Nonstop3h 55m

Istanbul

Sun 4/10

14:50-16:40

Nonstop3h 50m

£237

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 1/10

06:30-12:25

Nonstop3h 55m

Istanbul

Sun 11/10

14:50-16:40

Nonstop3h 50m

£237

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 1/10

16:45-22:35

Nonstop3h 50m

Istanbul

Sun 4/10

09:40-11:40

Nonstop4h 00m

£237

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 20/10

18:35-00:25

Nonstop3h 50m

Istanbul

Fri 30/10

08:10-09:40

Nonstop4h 30m

£275

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 1/8

18:30-00:20

Nonstop3h 50m

Istanbul

Mon 3/8

20:15-22:15

Nonstop4h 00m

£286

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 4/9

18:50-00:40

Nonstop3h 50m

Istanbul

Thu 10/9

13:10-15:20

Nonstop4h 10m

£287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 25/10

18:15-01:10

Nonstop3h 55m

Istanbul

Thu 29/10

18:40-19:55

Nonstop4h 15m

£292

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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 39 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 £347). 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 July 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 4 July 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 July 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
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,537 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.4
Good
4,442 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
8,131 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
8,107 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Wizz Air
6.3
Okay
171 reviews
KLM
7.8
Good
1,537 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 and Turkish Airlines can get you from London Heathrow Airport to Istanbul Airport in just under 3h 55m. Your travel time will be generally consistent. London Heathrow Airport and Istanbul Airport are separated by a distance of 1545 mi. All flights are typically direct.

  • 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 (87%), Avianca (84%) and British Airways (79%).

  • 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 £1,226, our data indicates the cheapest price to be £145. The most popular route (London Heathrow - Istanbul), is priced around £173.

  • 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 £347). 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 July 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£35Average£139FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£41Average£162FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£55Average£115FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air FranceCheapest£91Average£180FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aegean AirlinesCheapest£93Average£241FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£96Average£174FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£126Average£171FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
LOTCheapest£147Average£272FlexibilityNo cancel feeOn-time81%
Search LOT flights
British AirwaysCheapest£147Average£230FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£154Average£216FlexibilityNo cancel feeOn-time75%
Search KLM 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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