Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Istanbul from £85

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
20 Jul — 27 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or March, booked 83 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 (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 15 July 2025.

Round-trip from

£128

One-way from

£85

Popular in

August

Cheapest in

January

Average price

£332
British Airways
  • British Airways
  • 10/1-5/2
  • Nonstop
  • 8h 25m total
  • London to Istanbul
British Airways
  • British Airways
  • 29/9
  • Nonstop
  • 3h 50m total
  • London to Istanbul
Highest demand for flights based on searches. 24% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 July 2025.

Fri 5/1218:15LHR - IST
Nonstop3h 55mBritish Airways
Mon 15/1215:15IST - LHR
Nonstop4h 25mBritish Airways
Deal found 14/7£130
Tue 30/1222:15LHR - IST
1 stop9h 20mMultiple Airlines
Mon 2/218:40IST - LHR
Nonstop4h 15mMultiple Airlines
Deal found 14/7£152
Fri 26/917:10LHR - IST
1 stop6h 10mKLM
Mon 6/1017:05IST - LHR
1 stop5h 50mKLM
Deal found 14/7£162
Tue 2/907:10LHR - SAW
1 stop7h 40mMultiple Airlines
Wed 10/916:15SAW - LHR
Nonstop4h 05mMultiple Airlines
Deal found 14/7£168
Sun 7/922:15LHR - IST
1 stop9h 35mAegean Airlines
Tue 16/920:50IST - LHR
1 stop26h 20mAegean Airlines
Deal found 15/7£180
Sat 6/909:25LHR - SAW
Nonstop3h 55mBritish Airways
Sat 13/916:20SAW - LHR
Nonstop4h 05mBritish Airways
Deal found 14/7£229

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 July 2025.
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

Sat 10/1

07:00-13:55

Nonstop3h 55m

Istanbul

Thu 5/2

07:35-09:05

Nonstop4h 30m

£128

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 30/12

22:15-10:35

1 stop9h 20m

Istanbul

Mon 2/2

18:40-19:55

Nonstop4h 15m

£152

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 26/9

17:10-01:20

1 stop6h 10m

Istanbul

Mon 6/10

17:05-20:55

1 stop5h 50m

£162

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Tue 2/9

07:10-16:50

1 stop7h 40m

Istanbul Sabiha Gokcen

Wed 10/9

16:15-18:20

Nonstop4h 05m

£168

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 7/9

22:15-09:50

1 stop9h 35m

Istanbul

Tue 16/9

20:50-21:10

1 stop26h 20m

£180

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Sat 6/9

09:25-15:20

Nonstop3h 55m

Istanbul Sabiha Gokcen

Sat 13/9

16:20-18:25

Nonstop4h 05m

£229

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 29/9

18:35-00:25

Nonstop3h 50m

£85

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Thu 25/9

14:50-15:15

1 stop22h 25m

£91

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 27/8

18:10-23:10

2 stops27h 00m

£94

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 25/8

14:45-01:20

1 stop8h 35m

£94

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 16 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

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 11 July 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Istanbul, you should look to book at least 83 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £159). Flying from London Heathrow Airport to Istanbul 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 July 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul at midday. If you’re flexible enough to do this you can expect to save up to 4% 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 13 July 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Istanbul flight should consider departing on Friday at midday when fares are most often at their lowest. Wednesday 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 15 July 2025.

The most flights from LHR to TR5 are scheduled on a Monday (49 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (30 on average).

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 July 2025.
Check out reviews from past customers who have flown with Aegean Airlines, KLM, andLOT 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.

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

  • 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 £128. Other airlines that can offer you cheap pricing are KLM, from £162, and Turkish Airlines, from £180. Users have found that British Airways is 41% 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 British Airways, which is currently one of the cheapest options available, starting at £85. KLM flights start at £94 while deals on Air Serbia start at £103 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 LATAM Airlines (89%), British Airways (85%) or American Airlines (84%) 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 £120. While the most popular route (London Heathrow - Istanbul) can be booked for £130 on average our data indicates £1,636 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul (average of £159). Flying from London Heathrow Airport to Istanbul 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.

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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£45Average£147FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£53Average£145FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
AjetCheapest£81Average£247FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Air SerbiaCheapest£105Average£184FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Air FranceCheapest£118Average£159FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£126Average£221FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£140Average£239FlexibilityNo cancel feeOn-time81%
Search LOT flights
Aegean AirlinesCheapest£141Average£250FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
FinnairCheapest£152Average£324FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£156Average£232FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.