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Cheap flights from London Heathrow Airport to Istanbul Airport from C$ 166

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 Monday or Sunday and return on a Thursday

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 11 September 2025.

Round-trip from

C$ 261

One-way from

C$ 166

Popular in

August

Cheapest in

January

Average price

C$ 392

Good round-trip deal

C$ 591 or less

Good one-way deal

C$ 287 or less
British Airways
  • British Airways
  • 4/12-4/12
  • Nonstop
  • 8h 10m total
  • London to Istanbul
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26/10
  • 26/10
  • 1 total stop
  • 11h 30m total
  • London to Istanbul
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Highest demand for flights based on searches. 23% potential increase in price (C$ 171 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 26 potential savings vs. average RT 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 11 September 2025.

Thu 4/126:40 a.m.LHR - IST
Nonstop3h 55mBritish Airways
Thu 4/126:40 p.m.IST - LHR
Nonstop4h 15mBritish Airways
Deal found 11/9C$ 261
Sun 7/126:15 p.m.LHR - IST
Nonstop3h 55mBritish Airways
Thu 25/127:35 a.m.IST - LHR
Nonstop4h 30mBritish Airways
Deal found 9/9C$ 288
Fri 5/127:00 a.m.LHR - IST
Nonstop3h 55mBritish Airways
Tue 9/122:55 p.m.IST - LHR
Nonstop4h 25mBritish Airways
Deal found 10/9C$ 290
Thu 6/116:30 a.m.LHR - IST
1 stop7h 25mMultiple Airlines
Sun 9/114:50 a.m.IST - LHR
1 stop6h 05mMultiple Airlines
Deal found 11/9C$ 295
Sat 27/96:10 a.m.LHR - IST
Nonstop4h 00mBritish Airways
Thu 2/107:55 p.m.IST - LHR
Nonstop4h 00mBritish Airways
Deal found 9/9C$ 301
Fri 5/126:30 a.m.LHR - IST
1 stop7h 25mMultiple Airlines
Sun 14/124:50 a.m.IST - LHR
1 stop8h 40mMultiple Airlines
Deal found 9/9C$ 302
Sat 22/117:00 a.m.LHR - IST
Nonstop3h 55mBritish Airways
Sun 30/119:20 p.m.IST - LHR
Nonstop4h 15mBritish Airways
Deal found 10/9C$ 303
Fri 12/97:05 p.m.LHR - IST
Nonstop3h 55mTurkish Airlines
Tue 16/91:05 p.m.IST - LHR
Nonstop4h 00mTurkish Airlines
Deal found 9/9C$ 305
Tue 28/108:55 a.m.LHR - IST
1 stop15h 55mAir France
Mon 15/124:50 a.m.IST - LHR
1 stop14h 45mAir France
Deal found 10/9C$ 306
Fri 7/116:15 p.m.LHR - IST
Nonstop3h 55mBritish Airways
Sun 16/119:20 p.m.IST - LHR
Nonstop4h 15mBritish Airways
Deal found 11/9C$ 308
Tue 7/101:30 p.m.LHR - IST
1 stop23h 25mAir Serbia
Thu 16/104:20 a.m.IST - LHR
1 stop10h 10mAir Serbia
Deal found 11/9C$ 309
Sun 5/101:30 p.m.LHR - IST
1 stop24h 20mAir Serbia
Tue 7/104:35 p.m.IST - LHR
1 stop21h 55mAir Serbia
Deal found 11/9C$ 310

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 11 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

Fri 27/2

7:00 a.m.-1:55 p.m.

Nonstop3h 55m

Istanbul

Mon 23/3

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/3

6:15 p.m.-1:10 a.m.

Nonstop3h 55m

Istanbul

Wed 25/3

7:35 a.m.-9:05 a.m.

Nonstop4h 30m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/3

6:05 p.m.-1:00 a.m.

Nonstop3h 55m

Istanbul

Wed 25/3

7:35 a.m.-9:05 a.m.

Nonstop4h 30m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 3/3

5:10 p.m.-12:05 a.m.

Nonstop3h 55m

Istanbul

Tue 24/3

7:35 a.m.-9:05 a.m.

Nonstop4h 30m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 3/3

6:55 a.m.-1:50 p.m.

Nonstop3h 55m

Istanbul

Sat 21/3

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 1/3

6:15 p.m.-1:10 a.m.

Nonstop3h 55m

Istanbul

Tue 24/3

7:35 a.m.-9:05 a.m.

Nonstop4h 30m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/3

6:05 p.m.-1:00 a.m.

Nonstop3h 55m

Istanbul

Sat 21/3

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 2/3

10:30 a.m.-5:25 p.m.

Nonstop3h 55m

Istanbul

Mon 23/3

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 4/3

6:05 p.m.-1:00 a.m.

Nonstop3h 55m

Istanbul

Sun 22/3

6:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 287

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 26/2

10:30 a.m.-5:25 p.m.

Nonstop3h 55m

Istanbul

Wed 25/3

6:45 p.m.-8:00 p.m.

Nonstop4h 15m

C$ 287

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 21 results
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2
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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 round-trip 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 round-trip flight from Heathrow to Istanbul. Price data was last updated on 29 August 2025.

Booking 83 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of C$ 993). Flying from London Heathrow Airport to Istanbul Airport in December is currently the most expensive (average of C$ 1,235). 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 11 September 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Istanbul Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 62% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Istanbul. Price data was last updated on 7 September 2025.

Travelers seeking maximum savings on their London Heathrow Airport to Istanbul Airport flight should consider departing on Monday evenings 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 to fly round-trip 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 11 September 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Istanbul Airport, such as Turkish Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,968 reviews
Check prices

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Crew

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Brian,Jul 2025

SEA - IST

Horrible check-in experience in Seattle. Was actually yelled at by a customer service rep and then he intentionally would put us in the back row to make sure our seats would not recline. When I complained to customer service they told me they did not find any issues with how we were treated. The sinks did not drain in the bathroom during the flight and my in-flight entertainment never worked during a 12 hour flight. They said they would reset 3 times but never did. Would never fly them again.
Turkish Airlines
7.3
Good
3,968 reviews
Turkish Airlines
7.3
Good
3,968 reviews
Check prices

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Crew

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Brian,Jul 2025

SEA - IST

Horrible check-in experience in Seattle. Was actually yelled at by a customer service rep and then he intentionally would put us in the back row to make sure our seats would not recline. When I complained to customer service they told me they did not find any issues with how we were treated. The sinks did not drain in the bathroom during the flight and my in-flight entertainment never worked during a 12 hour flight. They said they would reset 3 times but never did. Would never fly them again.
British Airways
6.7
Okay
7,361 reviews
Turkish Airlines
7.3
Good
3,968 reviews
Check prices

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Crew

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Brian,Jul 2025

SEA - IST

Horrible check-in experience in Seattle. Was actually yelled at by a customer service rep and then he intentionally would put us in the back row to make sure our seats would not recline. When I complained to customer service they told me they did not find any issues with how we were treated. The sinks did not drain in the bathroom during the flight and my in-flight entertainment never worked during a 12 hour flight. They said they would reset 3 times but never did. Would never fly them again.

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?

    A quick flight from London Heathrow Airport to Istanbul Airport can take about 3h 55m. British Airways provides one of the quickest options available for as low as C$ 287. The distance from London Heathrow Airport to Istanbul Airport is about 2486 km. All flights are typically direct.

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

    British Airways, at C$ 256, was found to be the cheapest airline from London Heathrow Airport to Istanbul Airport. An alternate airline flying to your destination would be Turkish Airlines. These flights start at 37% lower than the current average price 3 months from now.

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

    Before booking your flight to Istanbul Airport from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Icelandair (87%), Avianca (78%), United Airlines( 75%).

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

    Looking at all options, your cheapest flight can be booked for C$ 243. While the most popular route (London Heathrow - Istanbul) can be booked for C$ 491 on average, our data indicates C$ 485 when flying from London Heathrow Airport to Istanbul Airport.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of C$ 993). Flying from London Heathrow Airport to Istanbul Airport in December is currently the most expensive (average of C$ 1,235). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Istanbul flights

Top 2 airlines flying from Heathrow to Istanbul

Discover the top 2 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 256AverageC$ 317FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapestC$ 280AverageC$ 358FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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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?

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?

Certainly. Search results for flights to Istanbul from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Heathrow to Istanbul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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