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Cheap flights from London Heathrow Airport to Istanbul Airport from £91

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or March, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 15 September 2025.

Round-trip from

£124

One-way from

£91

Popular in

July

Cheapest in

January

Average price

£207

Good round-trip deal

£409 or less

Good one-way deal

£234 or less
British Airways
  • British Airways
  • 9/2-24/2
  • Nonstop
  • 8h 20m total
  • London to Istanbul
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Air Serbia
  • Air Serbia
  • 31/10
  • 1 total stop
  • 12h 05m total
  • London to Istanbul
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Highest demand for flights based on searches. 21% potential increase in price (£42 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London Heathrow to Istanbul.
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Price to beat on a one-way flight from London Heathrow to Istanbul.
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Find flight deals from Heathrow to Istanbul

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 15 September 2025.

Sat 4/1018:30LHR - IST
Nonstop3h 50mBritish Airways
Mon 20/1020:15IST - LHR
Nonstop4h 00mBritish Airways
Deal found 14/9£132
Wed 1/1019:15LHR - IST
Nonstop3h 50mBritish Airways
Mon 20/1020:15IST - LHR
Nonstop4h 00mBritish Airways
Deal found 13/9£133
Sat 11/1018:30LHR - IST
Nonstop3h 50mBritish Airways
Sat 20/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 13/9£137
Sun 19/1019:05LHR - IST
Nonstop3h 50mBritish Airways
Mon 20/1020:15IST - LHR
Nonstop4h 00mBritish Airways
Deal found 12/9£139
Fri 7/1118:15LHR - IST
Nonstop3h 55mBritish Airways
Tue 18/1114:55IST - LHR
Nonstop4h 25mBritish Airways
Deal found 12/9£139
Wed 26/1110:50LHR - IST
Nonstop3h 55mBritish Airways
Sat 6/1214:55IST - LHR
Nonstop4h 25mBritish Airways
Deal found 12/9£140
Wed 12/1118:05LHR - IST
Nonstop3h 55mBritish Airways
Sat 15/1114:55IST - LHR
Nonstop4h 25mBritish Airways
Deal found 12/9£142
Wed 17/919:05LHR - IST
Nonstop3h 55mTurkish Airlines
Wed 24/920:30IST - LHR
Nonstop3h 55mTurkish Airlines
Deal found 13/9£143
Sat 1/1107:00LHR - IST
Nonstop3h 55mBritish Airways
Tue 11/1118:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 14/9£144
Wed 19/1118:05LHR - IST
Nonstop3h 55mBritish Airways
Mon 24/1118:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 13/9£145
Mon 13/1018:35LHR - IST
Nonstop3h 50mBritish Airways
Tue 21/1019:55IST - LHR
Nonstop4h 00mBritish Airways
Deal found 13/9£146
Thu 25/1206:40LHR - IST
Nonstop3h 55mBritish Airways
Wed 7/114:45IST - LHR
Nonstop4h 25mBritish Airways
Deal found 12/9£147

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 15 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Heathrow

Fly to

Istanbul

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 20/10

18:35-00:25

Nonstop3h 50m

Istanbul

Tue 21/10

19:55-21:55

Nonstop4h 00m

£139

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

06:55-13:50

Nonstop3h 55m

Istanbul

Sat 28/2

14:55-16:20

Nonstop4h 25m

£139

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 9/3

17:55-00:50

Nonstop3h 55m

Istanbul

Fri 13/3

08:10-09:40

Nonstop4h 30m

£139

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 10/11

07:25-14:20

Nonstop3h 55m

Istanbul

Sat 15/11

14:55-16:20

Nonstop4h 25m

£140

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

17:30-00:25

Nonstop3h 55m

Istanbul

Sat 29/11

14:55-16:20

Nonstop4h 25m

£140

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 22/11

07:00-13:55

Nonstop3h 55m

Istanbul

Sun 30/11

21:20-22:35

Nonstop4h 15m

£140

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/3

07:25-14:20

Nonstop3h 55m

Istanbul

Sun 8/3

08:20-09:50

Nonstop4h 30m

£140

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 12/3

06:30-16:55

1 stop7h 25m

Istanbul

Thu 19/3

04:50-08:00

1 stop6h 10m

£157

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/3

06:30-16:55

1 stop7h 25m

Istanbul

Wed 4/3

04:50-08:00

1 stop6h 10m

£157

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 10/10

13:30-15:50

1 stop24h 20m

Istanbul

Thu 6/11

17:35-12:20

1 stop21h 45m

£165

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 19 results
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 12 September 2025.

Booking 52 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £159). Flying from London Heathrow Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 15 September 2025.

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 5% 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 7 September 2025.

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 15 September 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as LOT, Turkish Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Lufthansa
6.8
Okay
7,409 reviews
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
British Airways
6.7
Okay
7,361 reviews
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Wizz Air
6.0
Okay
151 reviews
LOT
7.6
Good
1,114 reviews
Check prices

Boarding

7.6

Comfort

7.5

Overall

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 can get you from London Heathrow Airport to Istanbul Airport in just under 3h 50m. 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 Wizz Air is currently your cheapest option to Istanbul Airport, with prices starting at £47. Additional return tickets that might be worth considering are offered by Ajet and Pegasus Airlines, with the lowest prices starting at £64 and £66, respectively. Wizz Air is 78% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (78%) and United Airlines (75%).

  • 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 £837, our data indicates the cheapest price to be £118. The most popular route (London Heathrow - Istanbul), is priced around £131.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £159). Flying from London Heathrow Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 15 September 2025.
British Airways flights from London Heathrow to Istanbul
Turkish Airlines 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£47Average£115FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
AjetCheapest£64Average£132FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£66Average£144FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Air SerbiaCheapest£104Average£190FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Aegean AirlinesCheapest£113Average£227FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air FranceCheapest£117Average£158FlexibilityNo cancel feeOn-time77%
Search Air France flights
KM Malta AirlinesCheapest£125Average£189FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£128Average£196FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£152Average£265FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£154Average£251FlexibilityNo cancel feeOn-time81%
Search LOT 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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