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Cheap flights from London Heathrow Airport to Istanbul from £83

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in January or November, booked 83 days in advance, depart on a Tuesday or Monday 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 26 March 2025.

Round-trip from

£142

One-way from

£83

Popular in

August

Cheapest in

January

Average price

£177
British Airways
  • British Airways
  • 22/9-20/10
  • Nonstop
  • 8h 00m total
  • London to Istanbul
British Airways
  • British Airways
  • 19/9
  • Nonstop
  • 3h 50m total
  • London to Istanbul
Highest demand for flights based on searches. 21% potential increase in price (£49 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in March 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 26 March 2025.

Sat 8/1108:00LHR - SAW
Nonstop3h 50mBritish Airways
Tue 11/1115:50SAW - LHR
Nonstop4h 20mBritish Airways
Deal found 25/3£131
Tue 11/1106:55LHR - IST
Nonstop4h 00mBritish Airways
Fri 21/1118:35IST - LHR
Nonstop4h 20mBritish Airways
Deal found 24/3£134
Wed 12/1119:35LHR - IST
1 stop5h 35mAir France
Mon 24/1105:10IST - LHR
1 stop11h 35mAir France
Deal found 26/3£158
Thu 8/522:25LHR - IST
Nonstop3h 50mTurkish Airlines
Thu 22/513:55IST - LHR
Nonstop4h 05mTurkish Airlines
Deal found 26/3£159
Sat 29/315:40LHR - SAW
1 stop23h 05mMultiple Airlines
Wed 2/416:15SAW - LHR
Nonstop4h 05mMultiple Airlines
Deal found 25/3£180
Mon 10/1113:20LHR - IST
1 stop12h 30mAir Serbia
Sat 15/1105:30IST - LHR
1 stop9h 50mAir Serbia
Deal found 25/3£180
Fri 2/518:30LHR - IST
Nonstop3h 50mMultiple Airlines
Tue 6/517:00IST - LHR
Nonstop4h 00mMultiple Airlines
Deal found 25/3£182
Mon 12/509:30LHR - IST
1 stop9h 50mLufthansa
Wed 14/517:55IST - LHR
1 stop6h 15mLufthansa
Deal found 26/3£197
Fri 16/522:15LHR - IST
1 stop9h 35mAegean Airlines
Tue 20/504:35IST - LHR
1 stop8h 40mAegean Airlines
Deal found 26/3£201
Tue 22/418:35LHR - IST
Nonstop3h 55mFinnair
Tue 29/408:15IST - LHR
Nonstop4h 15mFinnair
Deal found 25/3£208
Mon 28/407:55LHR - SAW
Nonstop3h 55mFinnair
Sat 3/516:20SAW - LHR
Nonstop4h 05mFinnair
Deal found 25/3£221
Mon 31/308:40LHR - IST
1 stop5h 40mKLM
Sat 5/417:05IST - LHR
1 stop5h 50mKLM
Deal found 26/3£221

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 26 March 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 - SAW

LHRSAW

London Heathrow

Mon 22/9

07:55-13:50

Nonstop3h 55m

Istanbul Sabiha Gokcen

Mon 20/10

15:00-17:05

Nonstop4h 05m

£142

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 22/9

18:35-00:25

Nonstop3h 50m

Istanbul

Mon 20/10

17:35-19:35

Nonstop4h 00m

£142

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 8/5

22:25-04:15

Nonstop3h 50m

Istanbul

Thu 22/5

13:55-16:00

Nonstop4h 05m

£159

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 10/5

17:35-03:25

1 stop7h 50m

Istanbul

Sat 24/5

17:05-07:40

1 stop16h 35m

£165

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Tue 9/9

07:00-18:20

1 stop9h 20m

Istanbul Sabiha Gokcen

Wed 17/9

16:15-18:20

Nonstop4h 05m

£187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 16/9

19:45-03:25

1 stop5h 40m

Istanbul

Sun 21/9

04:20-10:30

1 stop8h 10m

£188

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 12/5

09:30-21:20

1 stop9h 50m

Istanbul

Wed 14/5

17:55-22:10

1 stop6h 15m

£197

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 16/5

22:15-09:50

1 stop9h 35m

Istanbul

Tue 20/5

04:35-11:15

1 stop8h 40m

£201

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 22/4

18:35-00:30

Nonstop3h 55m

Istanbul

Tue 29/4

08:15-10:30

Nonstop4h 15m

£208

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 19/5

13:30-12:15

1 stop20h 45m

Istanbul

Sat 24/5

16:35-18:40

1 stop28h 05m

£213

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 24 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 21 March 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 26 March 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 7% on your trip compared to booking a flight in the morning.

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 23 March 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.

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul ranges from 10.0 - 100.0 inches per month. December is typically the wettest month, when rainfall can reach 100.0 mm. July is typically the driest time to visit Istanbul when rainfall is around 10.0 mm.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 26 March 2025.
Get a feel of what it's like to fly with Aegean Airlines, KLM and LOT from London to Istanbul by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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

Food

7.3

Overall

8.1

Boarding

7.8

Comfort

7.8

Entertainment

6.9

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 £142. Other airlines that can offer you cheap pricing are Turkish Airlines, from £159, and Lufthansa, from £195. Users have found that British Airways is 36% 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 £83. Aegean Airlines flights start at £91 while deals on Air France start at £99 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 (97%), Avianca (88%) or British Airways (87%) 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 £109. While the most popular route (London Heathrow - Istanbul) can be booked for £142 on average our data indicates £1,352 when flying from London Heathrow Airport to Istanbul.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Istanbul?

  • What are some popular things to do or see while on a stopover in Warsaw?

    Most Warsaw visitors opt to spend their time experiencing Warsaw Old Town, Teatr Narodowy, and Pałac Kultury i Nauki. Warsaw Old Town, Teatr Narodowy, and Pałac Kultury i Nauki are located about 6.1 mi, 5.6 mi, and 4.8 mi, respectively from Warsaw Frederic Chopin. Those landing in Warsaw looking to spend some time exploring during their stopover can hire a car for about £12 per day.

  • Where are the least popular stopover locations for London Heathrow Airport to Istanbul flights?

  • 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

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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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£48Average£153FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£79Average£160FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
TAROMCheapest£91Average£305FlexibilityNo cancel feeOn-time86%
Search TAROM flights
AjetCheapest£99Average£178FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Air FranceCheapest£123Average£165FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£129Average£250FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air SerbiaCheapest£140Average£204FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
LOTCheapest£148Average£230FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£159Average£356FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£166Average£431FlexibilityNo cancel feeOn-time75%
Search KLM 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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