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$80+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
IST — LHR
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Find cheap flights from Istanbul to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 Wednesday or Friday and return on a Thursday

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 April 23, 2026.

This Air France deal was found by Cheapflights users on 4/21. 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.
Mon 11/235:55 pm
IST
-
LHR
1 stop16h 45m
KLM
Sat 11/285:50 pm
LHR
-
IST
1 stop20h 05m
KLM
Deal found 4/21$215
This British Airways deal was found by Cheapflights users on 4/20. 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 5/97:55 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Sat 5/166:30 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/20$216
This British Airways deal was found by Cheapflights users on 4/18. 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 6/48:05 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Wed 6/107:15 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/18$219
This British Airways deal was found by Cheapflights users on 4/19. 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.
Wed 6/33:45 pm
IST
-
LHR
Nonstop4h 15m
British Airways
Wed 6/107:15 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/19$220
This Expedia deal was found by Cheapflights users on 4/20. 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 6/48:05 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Thu 6/116:15 am
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 4/20$221
This British Airways deal was found by Cheapflights users on 4/20. 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.
Wed 6/37:25 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Tue 6/96:35 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/20$222
This British Airways deal was found by Cheapflights users on 4/19. 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 5/197:55 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Wed 6/247:15 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/19$224
This KLM deal was found by Cheapflights users on 4/21. 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.
Thu 5/76:00 am
IST
-
LHR
1 stop6h 45m
KLM
Thu 6/45:10 pm
LHR
-
IST
1 stop6h 10m
KLM
Deal found 4/21$225
This Expedia deal was found by Cheapflights users on 4/19. 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 5/188:15 pm
IST
-
LHR
Nonstop4h 00m
British Airways
Mon 6/228:35 am
LHR
-
IST
Nonstop3h 55m
British Airways
Deal found 4/19$226
This KLM deal was found by Cheapflights users on 4/19. 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.
Wed 5/66:00 am
IST
-
LHR
1 stop9h 50m
KLM
Tue 5/122:45 pm
LHR
-
IST
1 stop8h 35m
KLM
Deal found 4/19$227
This British Airways deal was found by Cheapflights users on 4/20. 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 7/203:35 pm
IST
-
LHR
Nonstop4h 10m
British Airways
Sun 9/207:05 pm
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/20$228
This British Airways deal was found by Cheapflights users on 4/20. 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.
Wed 6/103:45 pm
IST
-
LHR
Nonstop4h 15m
British Airways
Fri 6/196:05 am
LHR
-
IST
Nonstop3h 50m
British Airways
Deal found 4/20$230

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(British Airways)

One-way from

$80
(Super.com)

Popular in

August

Cheapest in

February

Average price

$313

Good round-trip deal

$742 or less

Good one-way deal

$414 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. 14% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 23, 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

Sat 6/6

5:20 pm-8:55 pm

1 stop5h 35m

London Heathrow

Fri 6/19

2:45 pm-1:20 am

1 stop8h 35m

$225

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 5/7

6:00 am-1:50 pm

1 stop9h 50m

London Heathrow

Thu 6/4

5:10 pm-1:20 am

1 stop6h 10m

$225
Quickest round-trip

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 7/20

8:15 pm-10:15 pm

Nonstop4h 00m

London Heathrow

Sun 9/20

7:05 pm-12:55 am

Nonstop3h 50m

$228

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Thu 5/7

1:10 pm-3:20 pm

Nonstop4h 10m

London Heathrow

Thu 6/4

6:15 am-12:10 pm

Nonstop3h 55m

$234

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 6/10

3:45 pm-6:00 pm

Nonstop4h 15m

London Heathrow

Thu 6/11

6:35 pm-12:25 am

Nonstop3h 50m

$247

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 5/20

5:20 pm-8:55 pm

1 stop5h 35m

London Heathrow

Wed 5/27

2:45 pm-1:20 am

1 stop8h 35m

$264

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Mon 8/3

3:35 pm-5:45 pm

Nonstop4h 10m

London Heathrow

Mon 8/10

8:35 am-2:30 pm

Nonstop3h 55m

$267

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 8/12

7:25 pm-9:25 pm

Nonstop4h 00m

London Heathrow

Wed 8/26

12:20 pm-6:25 pm

Nonstop4h 05m

$308

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Sun 5/17

6:00 am-10:45 am

1 stop6h 45m

London Heathrow

Tue 6/23

5:10 pm-1:20 am

1 stop6h 10m

$327

IstanbulLondon

IST - LHR

ISTLHR

Istanbul

Wed 6/10

4:30 am-12:30 pm

1 stop10h 00m

London Heathrow

Thu 6/11

1:30 pm-3:40 am

1 stop12h 10m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 20 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from Istanbul to Heathrow. Price data was last updated on April 17, 2026.

The best time to book flights from Istanbul Airport to London Heathrow Airport is 39 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 $260). Flying from Istanbul Airport to London Heathrow Airport in August is currently the most expensive (average of $380). 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 April 23, 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 17% 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 April 18, 2026.

Travelers seeking maximum savings on their Istanbul Airport to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday 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?

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 April 23, 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
4,326 reviews

Food

7.5

Boarding

7.3

Crew

7.8

Entertainment

7.5

Overall

7.4

Comfort

7.3

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
4,326 reviews
Turkish Airlines
7.4
Good
4,326 reviews

Food

7.5

Boarding

7.3

Crew

7.8

Entertainment

7.5

Overall

7.4

Comfort

7.3

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
7,907 reviews
Turkish Airlines
7.4
Good
4,326 reviews

Food

7.5

Boarding

7.3

Crew

7.8

Entertainment

7.5

Overall

7.4

Comfort

7.3

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 $216, 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 $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 32% 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 $79. Turkish Airlines flights start at $113 while deals on Aegean Airlines start at $140 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 (98%), British Airways (93%), Turkish Airlines (87%).

  • 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 $1,367, our data indicates the cheapest price to be $144. The most popular route (Istanbul - London Heathrow), is priced around $228.

  • 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 $260). Flying from Istanbul Airport to London Heathrow Airport in August is currently the most expensive (average of $380). 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

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.

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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$209Average$281FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$245Average$364FlexibilityNo cancel feeOn-time77%

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