Cheap flights from London Heathrow Airport to Istanbul from £86

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in March or January, booked 32 days in advance, depart on a Tuesday or Wednesday 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 22 January 2026.

Wed 29/419:15
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 5/519:55
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 21/1£127
Mon 23/217:55
LHR
-
IST
Nonstop3h 55m
British Airways
Thu 26/218:40
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 20/1£134
Fri 13/322:35
LHR
-
IST
Nonstop3h 50m
Turkish Airlines
Mon 16/313:50
IST
-
LHR
Nonstop4h 05m
Turkish Airlines
Deal found 20/1£135
Tue 24/217:10
LHR
-
IST
Nonstop3h 55m
British Airways
Tue 24/318:40
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 19/1£136
Sun 1/213:20
LHR
-
IST
Nonstop3h 55m
British Airways
Tue 10/218:40
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 22/1£137
Wed 4/217:45
LHR
-
IST
Nonstop3h 50m
Turkish Airlines
Thu 12/215:10
IST
-
LHR
Nonstop4h 00m
Turkish Airlines
Deal found 20/1£138
Tue 10/217:45
LHR
-
IST
Nonstop3h 50m
Turkish Airlines
Wed 29/415:00
IST
-
LHR
Nonstop3h 50m
Turkish Airlines
Deal found 22/1£138
Fri 13/306:35
LHR
-
IST
Nonstop4h 00m
Turkish Airlines
Mon 23/314:50
IST
-
LHR
Nonstop4h 10m
Turkish Airlines
Deal found 21/1£139
Fri 27/207:00
LHR
-
IST
Nonstop3h 55m
British Airways
Sun 1/308:20
IST
-
LHR
Nonstop4h 30m
British Airways
Deal found 21/1£140
Thu 5/317:45
LHR
-
IST
Nonstop3h 50m
Turkish Airlines
Wed 11/315:10
IST
-
LHR
Nonstop4h 00m
Turkish Airlines
Deal found 21/1£141
Mon 2/310:30
LHR
-
IST
Nonstop3h 55m
British Airways
Wed 4/307:35
IST
-
LHR
Nonstop4h 30m
British Airways
Deal found 21/1£143
Thu 5/308:50
LHR
-
SAW
1 stop8h 40m
Multiple Airlines
Sun 8/313:05
SAW
-
LHR
1 stop7h 50m
Multiple Airlines
Deal found 21/1£159

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 (TR5). 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 22 January 2026.

Round-trip from

£127

One-way from

£86

Popular in

July

Cheapest in

March

Average price

£168
British Airways
  • British Airways
  • 29/4-5/5
  • Nonstop
  • 7h 50m total
  • London to Istanbul
21/2
  • 21/2
  • 1 total stop
  • 8h 45m total
  • London to Istanbul
Highest demand for flights based on searches. 20% potential increase in price (£43 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 22 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul that are best for you.

Fly from

Heathrow

Fly to

Istanbul

Route

Depart

Return

Price

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 10/3

10:35-17:30

Nonstop3h 55m

Istanbul

Fri 20/3

08:10-09:40

Nonstop4h 30m

£145

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 6/3

16:35-23:25

Nonstop3h 50m

Istanbul

Mon 9/3

12:15-13:30

Nonstop4h 15m

£150

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

22:35-05:25

Nonstop3h 50m

Istanbul

Mon 9/2

12:15-13:30

Nonstop4h 15m

£150

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 25/2

06:50-13:45

Nonstop3h 55m

Istanbul

Sun 1/3

08:20-09:50

Nonstop4h 30m

£153

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

17:30-00:25

Nonstop3h 55m

Istanbul

Fri 13/2

14:55-16:20

Nonstop4h 25m

£159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 24/2

13:20-15:55

1 stop23h 35m

Istanbul

Thu 26/2

17:35-12:20

1 stop21h 45m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/2

17:55-00:50

Nonstop3h 55m

Istanbul

Sun 1/3

08:20-09:50

Nonstop4h 30m

£165

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 27/4

13:30-03:40

1 stop12h 10m

Istanbul

Tue 12/5

04:30-12:30

1 stop10h 00m

£167

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 1/6

13:30-03:40

1 stop12h 10m

Istanbul

Sat 6/6

04:30-19:05

1 stop16h 35m

£168

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 5/2

22:35-05:25

Nonstop3h 50m

Istanbul

Tue 10/2

21:25-22:25

Nonstop4h 00m

£170

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 42 results
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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

How far ahead should I book a flight from London Heathrow Airport to Istanbul?

Use this chart to determine the optimal time to book a return flight from Heathrow to Istanbul. Price data was last updated on 16 January 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Istanbul, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Istanbul?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £54). Flying from London Heathrow Airport to Istanbul in July is currently the most expensive (average of £178). 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 22 January 2026.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul in the morning. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Istanbul?

Use this chart to determine the cheapest time to fly return from Heathrow to Istanbul. Price data was last updated on 17 January 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Istanbul flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Istanbul

Explore weekly flight availability from Heathrow to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 January 2026.

The most flights from LHR to TR5 are scheduled on a Wednesday (42 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 on average).

How often are flights from London to Istanbul delayed?

About 10% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 125 minutes.

What is the most punctual flight time for London to Istanbul flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Istanbul flights?

Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 22 January 2026.
Check out reviews from past customers who have flown with LOT, Turkish Airlines, andLufthansa from London Heathrow Airport to Istanbul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

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

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

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

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

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

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

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

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

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

Boarding

7.5

Entertainment

6.9

Crew

8.1

Overall

7.5

Comfort

7.4

Food

7.1

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.
  • What airports serve Heathrow to Istanbul flights?

    When flying out of Heathrow, make sure to check which terminal your airline flies from as Heathrow has four terminals that are quite spread out. If you need to change terminals, there are shuttle trains or London Underground trains that run between the terminals but the trains also run into central London, so double check before you board to avoid catching the wrong train. You can get a free transfer ticket to use these trains at the terminal station. Upon arrival, two airports serve the city of Istanbul. Istanbul Ataturk, located approximately a 60-min drive north of the city, is the most popular for flights from Heathrow; however, flights are available for Sabiha Gokcen International Airport as well. Sabiha Gokcen Airport is closer to the city, located approximately a 30-min drive south of Istanbul.

  • Which airlines fly directly from Heathrow to Istanbul?

    While there are no direct flights to Sabiha Gokcen Airport, Turkish Airlines offers a wide variety of direct flights between Heathrow and Istanbul Ataturk Airport, as does British Airways. Travellers journeying to Istanbul from Heathrow and flying direct should expect an average flight time of just under 4h. If you want to make sure you have a wide variety of flight times and airlines to choose from, make sure to book through Cheapflights. We can help find the flights that work for you.

  • What are the stopover options between Heathrow to Istanbul?

    Flights to Istanbul from Heathrow with a single stopover can be a cheaper option for travellers flying on a budget and can be found journeying into both Istanbul Ataturk Airport and Sabiha Gokcen Airport. When flying with Air France, expect to stop at Paris Charles de Gaulle Airport. Travellers journeying with KLM will often find themselves changing flights in Amsterdam. Flights with a single stopover can take anywhere from 6h to 14h depending on the time of departure and the stopover location. There are also flights through airlines such as Etihad Airways and Ethiopian Air, which operate two stopovers. Travellers journeying on these flights should expect a journey time of anywhere from 21h to 38h.

  • Do I need a passport or visa to fly from Heathrow to Istanbul?

    Travellers journeying to Istanbul as tourists and planning on staying in the country for less than 90 days do need a passport but do not need a visa. However, you can only visit for up to 90 days in any 180-day period. You are also advised to have a blank page on your passport and at least six months left before it expires. If you plan on staying for longer, it is recommended that you apply for a visa before arrival. You can also apply for a residence permit while in the country and before the 90 days has passed.

  • How long is the flight from London Heathrow Airport to Istanbul?

    Departing from London Heathrow Airport to Istanbul will take you 3h 50m. The distance from London Heathrow Airport to Istanbul is about 1545 mi. All flights are typically direct.

  • What are the cheapest airlines flying from London Heathrow Airport to Istanbul round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Istanbul round-trip from £37. Other airlines that can offer you cheap pricing are Wizz Air, from £46, and Pegasus Airlines, from £53. Users have found that Ajet is 83% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Istanbul one-way?

    To fly one-way, consider booking your trip with Wizz Air, which is currently one of the cheapest options available, starting at £31. Pegasus Airlines flights start at £33 while deals on Ajet start at £46 one-way.

  • What are the most reliable airlines from London Heathrow Airport to Istanbul?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Istanbul consider choosing Icelandair (90%), Avianca (84%) or Sichuan Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Istanbul?

    Looking at all options, your cheapest flight can be booked for £116. While the most popular route (London Heathrow - Istanbul) can be booked for £127 on average, our data indicates £669 when flying from London Heathrow Airport to Istanbul.

  • 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?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £54). Flying from London Heathrow Airport to Istanbul in July is currently the most expensive (average of £178). 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

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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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£37Average£153FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Wizz AirCheapest£46Average£97FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£53Average£130FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Aegean AirlinesCheapest£93Average£233FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£95Average£174FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£126Average£170FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
Air FranceCheapest£133Average£204FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£133Average£212FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£151Average£368FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£154Average£230FlexibilityNo 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?

When you search for this flight from Heathrow to Istanbul, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Istanbul?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Istanbul from Heathrow.

Can Cheapflights find flights from Heathrow to Istanbul with no change fees?

Need flexible booking options for your flight to Istanbul from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Istanbul become cheaper?

Of course! You can now track prices for flights from Heathrow to Istanbul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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