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Cheap flights from London Heathrow Airport to Istanbul Airport from £82

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
21 May — 28 May1
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 33 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 21 April 2026.

Wed 27/519:15
LHR
-
IST
Nonstop3h 50m
British Airways
Wed 3/615:45
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 19/4£121
Thu 28/518:35
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 2/619:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 19/4£126
Fri 29/518:50
LHR
-
IST
Nonstop3h 50m
British Airways
Thu 4/613:10
IST
-
LHR
Nonstop4h 10m
British Airways
Deal found 19/4£141
Thu 28/506:15
LHR
-
IST
Nonstop3h 55m
British Airways
Mon 1/620:15
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 19/4£141
Thu 25/618:35
LHR
-
IST
Nonstop3h 50m
British Airways
Fri 3/720:30
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 19/4£145
Fri 26/606:05
LHR
-
IST
Nonstop3h 50m
British Airways
Sat 4/719:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 19/4£146
Thu 28/506:15
LHR
-
IST
Nonstop3h 55m
British Airways
Fri 29/508:10
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 19/4£149
Thu 4/614:45
LHR
-
IST
1 stop8h 35m
Multiple Airlines
Wed 10/604:25
IST
-
LHR
1 stop11h 20m
Multiple Airlines
Deal found 19/4£152
Wed 10/614:45
LHR
-
IST
1 stop8h 35m
Multiple Airlines
Thu 25/604:25
IST
-
LHR
1 stop8h 05m
Multiple Airlines
Deal found 18/4£152
Fri 8/506:05
LHR
-
IST
Nonstop3h 50m
British Airways
Mon 11/519:00
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 17/4£154
Thu 7/506:15
LHR
-
IST
Nonstop3h 55m
British Airways
Mon 11/519:00
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 17/4£155
Sat 16/518:30
LHR
-
IST
Nonstop3h 50m
British Airways
Wed 20/515:45
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 21/4£155

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 21 April 2026.

Round-trip from

£121

One-way from

£82

Popular in

July

Cheapest in

November

Average price

£223

Good round-trip deal

£382 or less

Good one-way deal

£231 or less
British Airways
  • British Airways
  • 27/5-3/6
  • Nonstop
  • 8h 05m total
  • London to Istanbul
Search Deals
British Airways
  • British Airways
  • 14/5
  • Nonstop
  • 3h 55m total
  • London to Istanbul
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 21 April 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
Fastest return journey

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 8/6

18:35-00:25

Nonstop3h 50m

Istanbul

Mon 15/6

20:15-22:15

Nonstop4h 00m

£184

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 7/5

17:10-01:20

1 stop6h 10m

Istanbul

Thu 14/5

06:00-13:50

1 stop9h 50m

£192

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 14/9

18:35-00:25

Nonstop3h 50m

Istanbul

Tue 22/9

14:35-16:45

Nonstop4h 10m

£196

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 8/9

07:40-13:35

Nonstop3h 55m

Istanbul

Sat 12/9

19:55-21:55

Nonstop4h 00m

£208

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 25/5

13:10-19:15

Nonstop4h 05m

Istanbul

Fri 29/5

08:10-10:25

Nonstop4h 15m

£212

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 17/10

13:30-15:00

1 stop23h 30m

Istanbul

Mon 19/10

04:30-12:30

1 stop10h 00m

£217

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 14/6

19:25-03:40

1 stop6h 15m

Istanbul

Sat 20/6

04:30-12:30

1 stop10h 00m

£217

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 23/9

13:30-15:55

1 stop24h 25m

Istanbul

Wed 30/9

04:30-12:30

1 stop10h 00m

£221

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 1/9

10:20-03:40

1 stop15h 20m

Istanbul

Tue 8/9

04:30-16:00

1 stop13h 30m

£222

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 26/5

16:45-22:35

Nonstop3h 50m

Istanbul

Sat 30/5

09:40-11:40

Nonstop4h 00m

£225

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Istanbul. Price data was last updated on 17 April 2026.

Booking 33 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 £180). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £348). 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 21 April 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 14% 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 18 April 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 evenings 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 21 April 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
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
1,501 reviews
KLM
7.8
Good
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
LOT
7.5
Good
1,188 reviews
KLM
7.8
Good
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
4,318 reviews
KLM
7.8
Good
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
7,899 reviews
KLM
7.8
Good
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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
165 reviews
KLM
7.8
Good
1,501 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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 KLM can get you from London Heathrow Airport to Istanbul Airport in just under 3h 50m. Your travel time can differ by up to 2h 20m. 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 £40 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 £31. 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 (98%), Avianca (93%) and Turkish Airlines (91%).

  • 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 £860, our data indicates the cheapest price to be £120. The most popular route (London Heathrow - Istanbul), is priced around £141.

  • 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 £180). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £348). 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 21 April 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£34Average£132FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£40Average£144FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£55Average£128FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Aegean AirlinesCheapest£93Average£239FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£95Average£173FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£125Average£169FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£140Average£220FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£145Average£208FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£153Average£221FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£157Average£233FlexibilityNo 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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