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Cheap flights from London Heathrow Airport to Istanbul Airport from £69

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
14 Nov — 21 Nov1
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 October 2025.

Round-trip from

£129

One-way from

£69

Popular in

July

Cheapest in

January

Average price

£233

Good round-trip deal

£451 or less

Good one-way deal

£277 or less
British Airways
  • British Airways
  • 24/2-28/2
  • 1 total stop
  • 28h 00m total
  • London to Istanbul
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Air Serbia
  • Air Serbia
  • 9/12
  • 1 total stop
  • 23h 35m total
  • London to Istanbul
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Highest demand for flights based on searches. 20% potential increase in price (£43 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in October 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

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 15 October 2025.

Wed 26/1118:05LHR - IST
Nonstop3h 55mBritish Airways
Wed 3/1218:45IST - LHR
Nonstop4h 15mBritish Airways
Deal found 12/10£130
Fri 5/1213:20LHR - IST
1 stop12h 05mMultiple Airlines
Sun 7/1221:20IST - LHR
Nonstop4h 15mMultiple Airlines
Deal found 12/10£134
Tue 9/1213:20LHR - IST
1 stop23h 35mMultiple Airlines
Sun 14/1218:40IST - LHR
Nonstop4h 15mMultiple Airlines
Deal found 12/10£137
Tue 2/1213:20LHR - IST
1 stop23h 35mAir Serbia
Mon 8/1205:30IST - LHR
1 stop9h 50mAir Serbia
Deal found 12/10£140
Sat 22/1107:00LHR - IST
Nonstop3h 55mBritish Airways
Tue 25/1107:35IST - LHR
Nonstop4h 30mBritish Airways
Deal found 14/10£144
Fri 5/1218:15LHR - IST
Nonstop3h 55mBritish Airways
Thu 11/1214:35IST - LHR
Nonstop4h 25mBritish Airways
Deal found 12/10£144
Sun 23/1122:15LHR - IST
1 stop25h 55mAegean Airlines
Sun 30/1106:30IST - LHR
1 stop14h 25mAegean Airlines
Deal found 14/10£145
Fri 28/1118:15LHR - IST
Nonstop3h 55mBritish Airways
Fri 5/1218:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 14/10£147
Sat 22/1107:00LHR - IST
Nonstop3h 55mBritish Airways
Sun 23/1121:20IST - LHR
Nonstop4h 15mBritish Airways
Deal found 14/10£148
Sun 23/1122:15LHR - IST
1 stop9h 20mAegean Airlines
Sat 29/1122:00IST - LHR
1 stop26h 15mAegean Airlines
Deal found 12/10£149
Thu 20/1106:40LHR - IST
Nonstop3h 55mBritish Airways
Mon 24/1118:40IST - LHR
Nonstop4h 15mBritish Airways
Deal found 14/10£150
Tue 18/1122:15LHR - IST
1 stop9h 20mAegean Airlines
Sat 29/1116:50IST - LHR
1 stop7h 25mAegean Airlines
Deal found 12/10£150

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 October 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

Wed 3/12

18:05-01:00

Nonstop3h 55m

Istanbul

Tue 9/12

18:40-19:55

Nonstop4h 15m

£154

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/12

17:10-00:05

Nonstop3h 55m

Istanbul

Wed 10/12

18:45-20:00

Nonstop4h 15m

£154

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 11/11

17:10-00:05

Nonstop3h 55m

Istanbul

Sun 16/11

21:20-22:35

Nonstop4h 15m

£161

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 1/12

07:25-14:20

Nonstop3h 55m

Istanbul

Mon 8/12

18:40-19:55

Nonstop4h 15m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/12

06:30-16:55

1 stop7h 25m

Istanbul

Sun 7/12

04:50-08:00

1 stop6h 10m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 27/11

17:30-00:25

Nonstop3h 55m

Istanbul

Wed 3/12

18:45-20:00

Nonstop4h 15m

£168

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 4/1

18:15-01:10

Nonstop3h 55m

Istanbul

Mon 12/1

15:15-16:40

Nonstop4h 25m

£169

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 2/12

06:30-16:55

1 stop7h 25m

Istanbul

Tue 9/12

17:55-20:50

1 stop5h 55m

£175

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 19/3

10:30-17:25

Nonstop3h 55m

Istanbul

Fri 20/3

08:10-09:40

Nonstop4h 30m

£178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 15/3

10:30-17:25

Nonstop3h 55m

Istanbul

Wed 18/3

07:35-09:05

Nonstop4h 30m

£179

Flights are sorted by cheapest return flights first.

Deals found on 12/10

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 10 October 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £118). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £180). 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 October 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 12 October 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 October 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
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,130 reviews
LOT
7.6
Good
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,010 reviews
LOT
7.6
Good
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,489 reviews
LOT
7.6
Good
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,457 reviews
LOT
7.6
Good
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Wizz Air
6.1
Okay
153 reviews
LOT
7.6
Good
1,130 reviews
Check prices

Food

7.1

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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 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 £43. Additional return tickets that might be worth considering are offered by Wizz Air and Pegasus Airlines, with the lowest prices starting at £47 and £69, respectively. Ajet is 80% 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 (85%), Avianca (82%) and LATAM 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 £731, our data indicates the cheapest price to be £133. The most popular route (London Heathrow - Istanbul), is priced around £144.

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of £118). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of £180). 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 October 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£43Average£139FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Wizz AirCheapest£47Average£117FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£69Average£150FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Aegean AirlinesCheapest£103Average£241FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£104Average£191FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Air FranceCheapest£120Average£161FlexibilityNo cancel feeOn-time77%
Search Air France flights
KM Malta AirlinesCheapest£127Average£192FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
British AirwaysCheapest£131Average£202FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£155Average£266FlexibilityNo 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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