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Cheap flights from Istanbul Airport to London Heathrow Airport from £52

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in March or February, booked 84 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Istanbul to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Heathrow (LHR). 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 16 January 2026.

Round-trip from

£143

One-way from

£52

Popular in

July

Cheapest in

March

Average price

£195

Good round-trip deal

£225 or less

Good one-way deal

£100 or less
British Airways
  • British Airways
  • 1/3-8/3
  • Nonstop
  • 8h 25m total
  • Istanbul to London
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British Airways
  • British Airways
  • 16/2
  • Nonstop
  • 4h 30m total
  • Istanbul to London
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Highest demand for flights based on searches. 17% potential increase in price (£34 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Istanbul to London Heathrow.
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Price to beat on a one-way flight from Istanbul to London Heathrow.
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Find flight deals from Istanbul to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Heathrow
Explore the most affordable flight options available from Istanbul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

Sun 1/308:20
IST
-
LHR
Nonstop4h 30m
British Airways
Sun 8/310:30
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 15/1£143
Sat 28/207:35
IST
-
LHR
Nonstop4h 30m
British Airways
Sat 7/307:00
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/1£144
Mon 2/318:40
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 8/310:30
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 15/1£145
Mon 9/315:15
IST
-
LHR
Nonstop4h 25m
Multiple Airlines
Thu 12/316:35
LHR
-
IST
1 stop7h 35m
Multiple Airlines
Deal found 15/1£146
Fri 13/214:55
IST
-
LHR
Nonstop4h 25m
British Airways
Fri 20/210:35
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/1£149
Sat 31/114:55
IST
-
LHR
Nonstop4h 25m
British Airways
Sat 7/217:40
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/1£151
Fri 27/208:10
IST
-
LHR
Nonstop4h 30m
Multiple Airlines
Thu 5/320:25
LHR
-
IST
1 stop17h 30m
Multiple Airlines
Deal found 15/1£151
Tue 10/214:55
IST
-
LHR
Nonstop4h 25m
British Airways
Fri 20/210:35
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/1£152
Mon 2/218:40
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 8/218:15
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 14/1£153

Cheapflights Fare Finder

 
Customise your flight search to find flights from Istanbul to Heathrow 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 16 January 2026.
Use the filters below to find and compare flights from Istanbul Airport to London Heathrow Airport that are best for you.

Fly from

Istanbul

Fly to

Heathrow

Route

Depart

Return

Price

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 2/3

18:40-19:55

Nonstop4h 15m

London Heathrow

Sun 8/3

10:30-17:25

Nonstop3h 55m

£145

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 3/3

07:35-09:05

Nonstop4h 30m

London Heathrow

Tue 3/3

17:10-00:05

Nonstop3h 55m

£154

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 26/2

07:35-09:05

Nonstop4h 30m

London Heathrow

Sat 28/2

17:40-00:35

Nonstop3h 55m

£154

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 18/3

18:45-20:00

Nonstop4h 15m

London Heathrow

Tue 24/3

06:55-13:50

Nonstop3h 55m

£156

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 15/2

08:20-09:50

Nonstop4h 30m

London Heathrow

Thu 19/2

17:30-00:25

Nonstop3h 55m

£156

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 28/2

07:35-09:05

Nonstop4h 30m

London Heathrow

Sat 7/3

07:00-13:55

Nonstop3h 55m

£159

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 20/3

06:30-15:30

1 stop12h 00m

London Heathrow

Sun 22/3

22:15-10:35

1 stop9h 20m

£169

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 18/3

11:35-17:55

1 stop9h 20m

London Heathrow

Tue 24/3

22:15-16:00

1 stop14h 45m

£169

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 26/2

16:50-21:15

1 stop7h 25m

London Heathrow

Sat 28/2

22:15-16:00

1 stop14h 45m

£169

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 28/2

17:55-20:50

1 stop5h 55m

London Heathrow

Sat 7/3

06:30-16:55

1 stop7h 25m

£170

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 19 results
1
2

Best time to book a flight from Istanbul to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Istanbul 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 Istanbul Airport to London Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of £91). Flying from Istanbul Airport to London Heathrow Airport in April 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 IST to LHR?

Find hourly flight availability from Istanbul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 January 2026.

It’s optimal to fly from Istanbul Airport to London Heathrow Airport in the evening. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Istanbul to Heathrow. Price data was last updated on 10 January 2026.

Travellers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings 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 Istanbul Airport to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 16 January 2026.
Read reviews from past customers who have flown with Turkish Airlines and British Airways from Istanbul Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,175 reviews
Check prices

Overall

7.3

Crew

7.8

Food

7.4

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
Turkish Airlines
7.3
Good
4,175 reviews
Turkish Airlines
7.3
Good
4,175 reviews
Check prices

Overall

7.3

Crew

7.8

Food

7.4

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.
British Airways
6.7
Okay
7,676 reviews
Turkish Airlines
7.3
Good
4,175 reviews
Check prices

Overall

7.3

Crew

7.8

Food

7.4

Comfort

7.3

Boarding

7.3

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Assia,Nov 2025

IST - YUL

Wide chairs, wide screen, possibility to pair our cellphone with the screen. Tasty food.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Heathrow. 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 Istanbul Airport to London Heathrow Airport?

    For as low as £145, British Airways can have you in London Heathrow Airport from Istanbul Airport in 4h 15m. Istanbul Airport and London Heathrow Airport are separated by a distance of 1545 mi. Most flights are nonstop.

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

    Our cheapest airline available from Istanbul Airport to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as £148 on this airline. An additional option worth looking into is Turkish Airlines, starting at £182. British Airways is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £59 on British Airways. Other airlines that offer cheap prices include Air Serbia from £82 and Turkish Airlines from £84 one-way.

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

    The top 3 most reliable airlines when flying from Istanbul Airport to London Heathrow Airport are American Airlines (92%), British Airways (88%) and Avianca (82%).

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

    The cheapest flight price from Istanbul Airport to London Heathrow Airport is £63. On average you can expect to pay £233. The most popular route, (Istanbul - London Heathrow), can usually be booked for £145.

  • Can I find deals for flights from Istanbul to Heathrow that include hotel bookings?

    Yes. In addition to deals on Istanbul to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to Heathrow.

  • Can I find deals for business class flights from Istanbul to Heathrow?

    Yes. Cheapflights offers flight deals from Istanbul to Heathrow 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 Istanbul Airport to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of £91). Flying from Istanbul Airport to London Heathrow Airport in April 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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.

Top 2 airlines flying from Istanbul to Heathrow

Discover the top 2 airlines that operate flights from Istanbul to Heathrow. 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£148Average£182FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£182Average£287FlexibilityNo 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 Istanbul to Heathrow?

When you search for this flight from Istanbul to Heathrow, 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 Istanbul to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Istanbul to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Istanbul to Heathrow flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Istanbul to Heathrow 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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