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Istanbul

$120+ Cheap flights from Heathrow (LHR) to Istanbul (IST)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Find cheap flights from Heathrow to Istanbul with Cheapflights

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Cheapflights Tip: The best prices from London Heathrow to Istanbul are usually found in November or January, booked 86 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap 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 May 16, 2026.

This KLM deal was found by Cheapflights users on 5/13. 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 12/16:30 am
LHR
-
IST
1 stop7h 25m
KLM
Tue 12/85:55 pm
IST
-
LHR
1 stop18h 05m
KLM
Deal found 5/13$216
This KLM deal was found by Cheapflights users on 5/11. 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.
Sun 11/86:30 am
LHR
-
IST
1 stop7h 25m
KLM
Fri 11/205:55 pm
IST
-
LHR
1 stop16h 45m
KLM
Deal found 5/11$218
This Expedia deal was found by Cheapflights users on 5/11. 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 6/46:35 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 6/98:15 am
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 5/11$219
This Air France deal was found by Cheapflights users on 5/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:45 am
LHR
-
IST
1 stop11h 35m
Multiple Airlines
Tue 6/94:25 am
IST
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 5/12$221
This British Airways deal was found by Cheapflights users on 5/13. 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 11/287:00 am
LHR
-
IST
Nonstop3h 55m
British Airways
Sun 12/69:20 pm
IST
-
LHR
Nonstop4h 15m
British Airways
Deal found 5/13$223
This British Airways deal was found by Cheapflights users on 5/13. 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 12/106:40 am
LHR
-
IST
Nonstop3h 55m
British Airways
Wed 12/162:45 pm
IST
-
LHR
Nonstop4h 25m
British Airways
Deal found 5/13$224
This British Airways deal was found by Cheapflights users on 5/15. 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 6/66:10 am
LHR
-
IST
Nonstop3h 55m
British Airways
Tue 6/237:55 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 5/15$225
This British Airways deal was found by Cheapflights users on 5/14. 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 6/206:30 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Wed 6/247:25 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 5/14$226
This British Airways deal was found by Cheapflights users on 5/13. 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 6/206:30 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Tue 6/237:55 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 5/13$227
This British Airways deal was found by Cheapflights users on 5/14. 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 10/26:50 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Mon 10/58:15 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Deal found 5/14$228
This Air France deal was found by Cheapflights users on 5/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:30 am
LHR
-
IST
1 stop7h 50m
KLM
Wed 6/105:20 pm
IST
-
LHR
1 stop5h 35m
KLM
Deal found 5/11$229

Find 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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Expedia)

One-way from

$120

Popular in

July

Cheapest in

November

Average price

$304

Good round-trip deal

$376 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for London Heathrow-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Istanbul flights.
Search Deals
From London Heathrow to Istanbul
Search Deals
One-way flight from London Heathrow to Istanbul
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Istanbul.
Search Deals
Price to beat on a one-way flight from London Heathrow to Istanbul.
Search Deals

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 2,558,603 searches. Data last updated May 16, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 10/6

2:45 pm-1:20 am

1 stop8h 35m

Istanbul

Tue 10/20

6:00 am-10:45 am

1 stop6h 45m

$225

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 10/30

6:15 pm-1:10 am

Nonstop3h 55m

Istanbul

Thu 11/5

6:40 pm-7:55 pm

Nonstop4h 15m

$242

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 8/29

6:30 am-4:20 pm

1 stop7h 50m

Istanbul

Wed 9/23

6:00 am-10:45 am

1 stop6h 45m

$248

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 6/13

5:50 pm-2:05 am

1 stop6h 15m

Istanbul

Fri 6/19

3:45 am-8:15 am

1 stop6h 30m

$255
Quickest round-trip

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sat 6/27

6:30 pm-12:20 am

Nonstop3h 50m

Istanbul

Fri 7/3

8:30 pm-10:30 pm

Nonstop4h 00m

$257

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Thu 6/4

4:25 pm-2:05 am

1 stop7h 40m

Istanbul

Tue 6/9

3:45 am-12:50 pm

1 stop11h 05m

$277

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 6/3

7:15 pm-1:05 am

Nonstop3h 50m

Istanbul

Sun 6/7

6:50 pm-8:50 pm

Nonstop4h 00m

$280

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 6/16

6:35 pm-12:25 am

Nonstop3h 50m

Istanbul

Tue 6/30

7:55 pm-9:55 pm

Nonstop4h 00m

$286

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 9/2

10:20 am-3:40 am

1 stop15h 20m

Istanbul

Wed 9/30

4:30 am-5:40 pm

1 stop15h 10m

$299

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Mon 11/9

1:20 pm-4:30 am

1 stop12h 10m

Istanbul

Mon 11/16

5:30 am-12:20 pm

1 stop9h 50m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Istanbul in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Booking 85 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of $245). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of $478). 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 May 16, 2026.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from London Heathrow Airport to Istanbul Airport?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Istanbul Airport trip
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Turkish Airlines

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
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

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

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 May 16, 2026.
Read reviews from past customers who have flown Turkish Airlines and British Airways from London Heathrow Airport to Istanbul 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
7.4
Good
4,368 reviews

Food

7.5

Comfort

7.3

Entertainment

7.5

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
Turkish Airlines
7.4
Good
4,368 reviews
Turkish Airlines
7.4
Good
4,368 reviews

Food

7.5

Comfort

7.3

Entertainment

7.5

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.
British Airways
6.7
Okay
7,981 reviews
Turkish Airlines
7.4
Good
4,368 reviews

Food

7.5

Comfort

7.3

Entertainment

7.5

Overall

7.4

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DEN - IST

The seat assignments that were booked well in advance and paid extra for were all changed and incorrect. This includes the bassinet we requested at time of booking being unavailable and the row we selected not being in the bassinet aisle.

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?

    Airlines like KLM and British Airways fly from London Heathrow Airport to Istanbul Airport in about 3h 50m. The time it takes to get you to your destination can typically vary by up to 4h 45m. Airlines will cover a distance of 1545 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from London Heathrow Airport to Istanbul Airport round-trip from $207. Another airline that can offer you cheap pricing is Turkish Airlines. British Airways is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from London Heathrow Airport to Istanbul 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 London Heathrow Airport to Istanbul Airport on time: Icelandair (97%), Avianca (93%), American Airlines (92%).

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

    Looking for the cheapest flight from London Heathrow Airport to Istanbul Airport? While on average our users pay $902, our data indicates the cheapest price to be $162. The most popular route (London Heathrow - Istanbul), is priced around $217.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of $245). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of $478). 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 Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

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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.
Heathrow to Sabiha Gokcen 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 2,558,603 searches. Data last updated May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$207Average$288FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$224Average$315FlexibilityNo cancel feeOn-time77%

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