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Cheap flights from Istanbul Airport to London Heathrow Airport from £41

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in February or January, booked 39 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap 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 10 March 2026.

Fri 1/503:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Fri 8/517:50
LHR
-
IST
1 stop6h 15m
Lufthansa
Deal found 8/3£131
Sat 28/314:55
IST
-
LHR
Nonstop4h 25m
British Airways
Sat 4/410:10
LHR
-
IST
Nonstop4h 05m
British Airways
Deal found 8/3£132
Sat 28/304:50
IST
-
LHR
1 stop16h 30m
Air France
Sat 4/419:45
LHR
-
IST
1 stop5h 45m
Air France
Deal found 8/3£138
Sat 2/519:55
IST
-
LHR
Nonstop4h 00m
British Airways
Fri 8/518:50
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 8/3£138
Wed 6/519:25
IST
-
LHR
Nonstop4h 00m
British Airways
Fri 8/513:25
LHR
-
IST
Nonstop4h 05m
British Airways
Deal found 8/3£142
Wed 22/415:45
IST
-
LHR
Nonstop4h 15m
British Airways
Sat 25/410:10
LHR
-
IST
Nonstop4h 05m
British Airways
Deal found 5/3£144
Tue 21/403:45
IST
-
LHR
1 stop6h 30m
Lufthansa
Wed 29/416:25
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 8/3£146
Sat 28/314:55
IST
-
LHR
Nonstop4h 25m
Multiple Airlines
Sat 4/419:45
LHR
-
IST
1 stop5h 45m
Multiple Airlines
Deal found 8/3£149
Wed 22/415:45
IST
-
LHR
Nonstop4h 15m
Multiple Airlines
Wed 29/414:45
LHR
-
IST
1 stop8h 35m
Multiple Airlines
Deal found 8/3£150

Find 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 10 March 2026.

Round-trip from

£131

One-way from

£41

Popular in

July

Cheapest in

February

Average price

£245

Good round-trip deal

£194 or less

Good one-way deal

£87 or less
Lufthansa
  • Lufthansa
  • 1/5-8/5
  • 2 total stops
  • 12h 45m total
  • Istanbul to London
Search Deals
British Airways
  • British Airways
  • 1/4
  • Nonstop
  • 4h 00m total
  • Istanbul to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Istanbul to London Heathrow.
Search Deals
Price to beat on a one-way flight from Istanbul to London Heathrow.
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 10/6

19:25-21:25

Nonstop4h 00m

London Heathrow

Wed 17/6

12:20-18:25

Nonstop4h 05m

£158

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 7/5

17:50-22:10

1 stop6h 20m

London Heathrow

Tue 12/5

13:35-02:05

1 stop10h 30m

£160
Fastest return journey

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 2/5

19:55-21:55

Nonstop4h 00m

London Heathrow

Thu 7/5

18:35-00:25

Nonstop3h 50m

£162

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 20/6

19:55-21:55

Nonstop4h 00m

London Heathrow

Fri 26/6

06:05-11:55

Nonstop3h 50m

£162

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Fri 24/4

20:30-22:30

Nonstop4h 00m

London Heathrow

Tue 28/4

18:35-00:25

Nonstop3h 50m

£165

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 26/4

03:45-08:15

1 stop6h 30m

London Heathrow

Sun 3/5

06:30-21:15

1 stop12h 45m

£168

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 21/4

20:25-22:25

Nonstop4h 00m

London Heathrow

Tue 28/4

06:30-12:25

Nonstop3h 55m

£175

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 27/5

17:50-22:10

1 stop6h 20m

London Heathrow

Sun 31/5

07:30-21:15

1 stop11h 45m

£176

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 14/5

16:40-12:30

1 stop21h 50m

London Heathrow

Sat 16/5

13:30-03:40

1 stop12h 10m

£177

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 9/6

19:55-21:55

Nonstop4h 00m

London Heathrow

Sun 14/6

11:40-17:45

Nonstop4h 05m

£179

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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, November is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of £121). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of £175). 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 10 March 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 53% 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 21 February 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.

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 10 March 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
4,249 reviews
Check prices

Comfort

7.3

Boarding

7.3

Food

7.5

Overall

7.3

Entertainment

7.5

Crew

7.8

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
4,249 reviews
Turkish Airlines
7.3
Good
4,249 reviews
Check prices

Comfort

7.3

Boarding

7.3

Food

7.5

Overall

7.3

Entertainment

7.5

Crew

7.8

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
7,781 reviews
Turkish Airlines
7.3
Good
4,249 reviews
Check prices

Comfort

7.3

Boarding

7.3

Food

7.5

Overall

7.3

Entertainment

7.5

Crew

7.8

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 £158, British Airways can have you in London Heathrow Airport from Istanbul Airport in 4h. Istanbul Airport and London Heathrow Airport are separated by a distance of 1545 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £150 on this airline. An additional option worth looking into is Turkish Airlines, starting at £194. British Airways is 35% 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 £60 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 (90%), British Airways (86%) and EVA Air (84%).

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

    The cheapest flight price from Istanbul Airport to London Heathrow Airport is £56. On average you can expect to pay £220. The most popular route, (Istanbul - London Heathrow), can usually be booked for £153.

  • 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, November is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of £121). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of £175). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£150Average£191FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£194Average£272FlexibilityNo 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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