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$75+ Cheap flights from Istanbul (IST) to Heathrow (LHR)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in March or December, booked 82 days in advance, depart on a Tuesday or Friday and return on a Monday

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 September 11, 2025.

Round-trip from

$205
(British Airways)

One-way from

$75
(British Airways)

Popular in

August

Cheapest in

March

Average price

$343

Good round-trip deal

$558 or less

Good one-way deal

$200 or less
From Istanbul to London Heathrow
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One-way flight from Istanbul to London Heathrow
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Highest demand for flights based on searches. 22% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 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 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

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 September 11, 2025.

This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:40 pmIST - LHR
Nonstop4h 15mBritish Airways
Sun 11/306:15 pmLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/10$205
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:55 pmIST - LHR
Nonstop4h 00mBritish Airways
Sun 10/57:05 pmLHR - IST
Nonstop3h 50mBritish Airways
Deal found 9/10$206
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:15 pmIST - LHR
Nonstop4h 00mBritish Airways
Tue 10/286:55 amLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/11$214
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:55 pmIST - LHR
Nonstop4h 25mBritish Airways
Fri 11/217:00 amLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/11$218
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:40 pmIST - LHR
Nonstop4h 15mBritish Airways
Tue 11/256:55 amLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/11$219
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:55 pmIST - LHR
1 stop5h 55mMultiple Airlines
Fri 11/215:35 pmLHR - IST
1 stop7h 15mMultiple Airlines
Deal found 9/11$220
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:40 pmIST - LHR
Nonstop4h 15mBritish Airways
Sat 1/35:40 pmLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/10$221
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:55 pmIST - LHR
Nonstop4h 00mBritish Airways
Wed 10/87:15 pmLHR - IST
Nonstop3h 50mBritish Airways
Deal found 9/11$222
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:15 pmIST - LHR
Nonstop4h 00mBritish Airways
Sun 10/266:15 pmLHR - IST
Nonstop3h 55mBritish Airways
Deal found 9/10$223
This Air Serbia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:20 amIST - LHR
1 stop10h 10mAir Serbia
Sat 10/187:55 pmLHR - IST
1 stop17h 00mAir Serbia
Deal found 9/11$225
This Air Serbia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:20 amIST - LHR
1 stop10h 00mAir Serbia
Sun 11/91:20 pmLHR - IST
1 stop23h 35mAir Serbia
Deal found 9/11$226

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 2025.
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

Fri 10/3

5:35 pm-7:35 pm

Nonstop4h 00m

London Heathrow

Fri 10/10

6:50 pm-12:40 am

Nonstop3h 50m

$206

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 12/9

5:55 pm-8:50 pm

1 stop5h 55m

London Heathrow

Sun 12/14

8:55 am-3:50 am

1 stop15h 55m

$220

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 12/11

5:55 pm-8:50 pm

1 stop5h 55m

London Heathrow

Sun 12/14

8:55 am-3:50 am

1 stop15h 55m

$220

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 10/20

8:15 pm-10:15 pm

Nonstop4h 00m

London Heathrow

Sun 10/26

6:15 pm-1:10 am

Nonstop3h 55m

$223

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 10/11

4:20 am-12:30 pm

1 stop10h 10m

London Heathrow

Sat 10/18

7:55 pm-2:55 pm

1 stop17h 00m

$225

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 10/2

7:55 pm-9:55 pm

Nonstop4h 00m

London Heathrow

Sat 10/4

6:30 pm-12:20 am

Nonstop3h 50m

$234

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 3/3

6:40 pm-7:55 pm

Nonstop4h 15m

London Heathrow

Sat 3/7

10:30 am-5:25 pm

Nonstop3h 55m

$236

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 11/10

3:15 pm-4:40 pm

Nonstop4h 25m

London Heathrow

Sat 11/15

7:00 am-1:55 pm

Nonstop3h 55m

$239

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 10/2

4:20 am-12:30 pm

1 stop10h 10m

London Heathrow

Sat 10/4

7:55 pm-3:30 am

1 stop5h 35m

$242

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 9/30

4:35 pm-12:30 pm

1 stop21h 55m

London Heathrow

Wed 10/22

1:30 pm-3:50 pm

1 stop24h 20m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
2

The best insider tips for Istanbul Airport to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Istanbul Airport to London Heathrow Airport trip
Airlines
British Airways

Most BA connections occur in Terminal 5, avoiding bus transfers at Heathrow.


BA's Club Suite offers privacy with solo pods and a door you can close.

Read more about British Airwaysby Gabriel Leigh
Turkish Airlines

Turkish Airlines offers priority boarding for families with kids under 12.


Turkish Airlines' Planet system offers diverse movies, music, and games.

Read more about Turkish Airlinesby Jessica Macdonald
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Turkish Airlines

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

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 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 Istanbul Airport to London Heathrow Airport

How far ahead should I book a flight from Istanbul Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Heathrow. Price data was last updated on August 29, 2025.

The best time to book flights from Istanbul Airport to London Heathrow Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $661). Flying from Istanbul Airport to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking 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 round-trip from Istanbul to Heathrow. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday evenings 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 September 11, 2025.
See what other customers who have flown with Turkish Airlines and British Airways from Istanbul Airport to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,968 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Overall

7.3

Crew

7.7

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Turkish Airlines
7.3
Good
3,968 reviews
Turkish Airlines
7.3
Good
3,968 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Overall

7.3

Crew

7.7

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
British Airways
6.7
Okay
7,361 reviews
Turkish Airlines
7.3
Good
3,968 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Overall

7.3

Crew

7.7

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.

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 $206, British Airways can have you in London Heathrow Airport from Istanbul Airport in 4h. The distance from Istanbul Airport to London Heathrow Airport is about 1545 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    British Airways, at $174, was found to be the cheapest airline from Istanbul Airport to London Heathrow Airport. An alternate airline flying to your destination would be Turkish Airlines. British Airways is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $107. Turkish Airlines flights start at $108 while deals on Air Serbia start at $119 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Istanbul Airport to London Heathrow Airport on time: Icelandair (79%), JetBlue (79%), United Airlines (77%).

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

    Looking for the cheapest flight from Istanbul Airport to London Heathrow Airport? While on average our users pay $2,784, our data indicates the cheapest price to be $130. The most popular route (Istanbul - London Heathrow), is priced around $231.

  • 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 vacation 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 $661). Flying from Istanbul Airport to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Istanbul to Heathrow

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

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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$174Average$282FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$256Average$373FlexibilityNo cancel feeOn-time77%

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