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$83+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Find cheap flights from Istanbul to Heathrow with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Istanbul to London Heathrow are usually found in February or January, booked 75 days in advance, depart on a Tuesday or Friday and return on a Sunday

Cheap 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 July 28, 2026.

This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:45 am
IST
-
LHR
1 stop6h 30m
Lufthansa
Tue 9/294:25 pm
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 7/26$209
This Air Serbia deal was found by Cheapflights users on 7/25. 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.
Mon 11/24:40 pm
IST
-
LHR
1 stop22h 45m
Air Serbia
Fri 11/61:20 pm
LHR
-
IST
1 stop24h 40m
Air Serbia
Deal found 7/25$215
This Air Serbia deal was found by Cheapflights users on 7/24. 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 11/35:30 am
IST
-
LHR
1 stop9h 55m
Air Serbia
Thu 11/51:20 pm
LHR
-
IST
1 stop12h 15m
Air Serbia
Deal found 7/24$216
This Booking.com deal was found by Cheapflights users on 7/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 am
IST
-
LHR
Nonstop4h 30m
British Airways
Tue 12/810:35 am
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 7/23$222
This Booking.com deal was found by Cheapflights users on 7/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:45 am
IST
-
LHR
1 stop6h 30m
Lufthansa
Tue 9/294:25 pm
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 7/25$224
This Air Serbia deal was found by Cheapflights users on 7/26. 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.
Fri 11/205:30 am
IST
-
LHR
1 stop9h 55m
Air Serbia
Mon 11/231:20 pm
LHR
-
IST
1 stop12h 15m
Air Serbia
Deal found 7/26$225
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:45 am
IST
-
LHR
1 stop6h 30m
Lufthansa
Sat 9/264:25 pm
LHR
-
IST
1 stop7h 40m
Lufthansa
Deal found 7/26$227
This British Airways deal was found by Cheapflights users on 7/23. 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 11/236:40 pm
IST
-
LHR
Nonstop4h 15m
British Airways
Mon 11/307:25 am
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 7/23$228
This British Airways deal was found by Cheapflights users on 7/27. 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 11/106:40 pm
IST
-
LHR
Nonstop4h 15m
British Airways
Sun 11/156:15 pm
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 7/27$231

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Booking.com)

One-way from

$83
(Expedia)

Popular in

July

Cheapest in

February

Average price

$405

Good round-trip deal

$719 or less

Good one-way deal

$452 or less
Provider with most accurate pricing for Istanbul-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Istanbul-London Heathrow flights.
Search Deals
From Istanbul to London Heathrow
Search Deals
One-way flight from Istanbul to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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

 
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 July 28, 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 round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 1/20

5:55 pm-8:50 pm

1 stop5h 55m

London Heathrow

Mon 2/1

8:25 pm-4:55 pm

1 stop17h 30m

$215

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 11/25

4:40 pm-12:25 pm

1 stop22h 45m

London Heathrow

Fri 12/4

1:20 pm-5:00 pm

1 stop24h 40m

$240

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 9/22

5:45 pm-7:55 pm

Nonstop4h 10m

London Heathrow

Wed 9/30

7:15 pm-1:05 am

Nonstop3h 50m

$242
Quickest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 9/17

8:05 pm-10:05 pm

Nonstop4h 00m

London Heathrow

Sat 9/26

6:30 pm-12:20 am

Nonstop3h 50m

$242

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 9/17

3:45 am-8:15 am

1 stop6h 30m

London Heathrow

Sun 9/20

7:30 am-9:15 pm

1 stop11h 45m

$255

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 9/28

3:45 am-10:40 am

2 stops8h 55m

London Heathrow

Tue 9/29

5:50 pm-2:05 am

1 stop6h 15m

$266

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Tue 9/22

4:25 am-12:30 pm

1 stop10h 05m

London Heathrow

Wed 9/30

1:30 pm-3:40 am

1 stop12h 10m

$276
Cheapest one-way
Quickest one-way

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 10/10

7:55 pm-9:55 pm

Nonstop4h 00m

$92

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sat 1/23

6:40 pm-7:55 pm

Nonstop4h 15m

$98

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 1/20

6:45 pm-8:00 pm

Nonstop4h 15m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Istanbul to Heathrow

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 Istanbul to Heathrow in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 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 Istanbul Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Istanbul Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Istanbul Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Istanbul Airport-London Heathrow 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 Istanbul Airport-London Heathrow 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 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?

The best time to book flights from Istanbul Airport to London Heathrow Airport is 74 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, February is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of $259). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of $405). 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 July 28, 2026.

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 26% 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 July 25, 2026.

Travelers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings 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 Istanbul Airport to London Heathrow Airport?

Airfare is below average for this route at the moment.

Istanbul Airport to London Heathrow Airport flights typically cost between $313 and $432 in September.
The cheapest round-trip price found within the last 5 days was $209 on Lufthansa (Sep 15-Sep 29).

The best insider tips for Istanbul Airport to London Heathrow 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 Istanbul Airport to London Heathrow 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 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 July 28, 2026.
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
7.4
Good
4,455 reviews

Comfort

7.3

Entertainment

7.5

Food

7.5

Boarding

7.3

Crew

7.8

Overall

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
7.4
Good
4,455 reviews
Turkish Airlines
7.4
Good
4,455 reviews

Comfort

7.3

Entertainment

7.5

Food

7.5

Boarding

7.3

Crew

7.8

Overall

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
8,129 reviews
Turkish Airlines
7.4
Good
4,455 reviews

Comfort

7.3

Entertainment

7.5

Food

7.5

Boarding

7.3

Crew

7.8

Overall

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 $242, KLM can have you in London Heathrow Airport from Istanbul Airport in 4h 10m. 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 $209, 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 33% 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 British Airways, which is currently one of the cheapest options available, starting at $81. Turkish Airlines flights start at $122 while deals on Aegean Airlines start at $150 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: American Airlines (82%), EVA Air (73%), Sichuan Airlines (73%).

  • 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 $1,817, our data indicates the cheapest price to be $225. The most popular route (Istanbul - London Heathrow), is priced around $242.

  • 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, February is the cheapest month in which you can book a flight from Istanbul Airport to London Heathrow Airport (average of $259). Flying from Istanbul Airport to London Heathrow Airport in July is currently the most expensive (average of $405). 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
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$209Average$276FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$238Average$360FlexibilityNo cancel feeOn-time77%

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