Cheap Flights from London (LHR) to Istanbul (ISL)

Popular airlines from Heathrow Airport (LHR) to Ataturk Intl. Airport (ISL)

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Alternative airports near Istanbul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Istanbul Airport IST. Cheapest option available. Average driving time to city center is 35 minutes. Flights from $431
IST
Istanbul Airport
Cheapest
Average driving time to city center35 min
Flights from $431
Select flight to Sabiha Gokcen Intl. SAW. Average driving time to city center is 34 minutes. Flights from $618
SAW
Sabiha Gokcen Intl.
Average driving time to city center34 min
Flights from $618
Flights from London (LHR) to Istanbul (ISL)
Origin airport
Heathrow
Destination airport
Ataturk Intl.
Distance
1561 mi

London to Istanbul Flights

The cheapest times to fly from London to Istanbul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Istanbul are during the month of . You can find some of the cheapest flights from London to Istanbul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Istanbul

Sunday is one of the best days to book for cheap flights from London to Istanbul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Istanbul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Istanbul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Istanbul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST) cost?
Discover the latest flight deals from LHR to ISL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LHR to ISL?
The cheapest flights from LHR to ISL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
You can fly straight from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST) on a Turkish Airlines flight.
What is the cheapest airline that flies from LHR to ISL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LHR to ISL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
When taking off from Heathrow Airport (LHR), you can pick from an average of 8 daily nonstop flights to Ataturk Intl. Airport (IST).
What are the most popular departure times for flights from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
The 6 AM departures from LHR to ISL are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from LHR to ISL?
Travel on a Thursday if you're searching for the best choice of flights from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST).
What is the earliest flight from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
Catch the earliest flight at around 6:35AM UTC+0, leaving from Heathrow Airport (LHR). You'll be traveling for approximately 4h, coming in to land at Ataturk Intl. Airport (IST) at approximately 1:35PM UTC+3.
How long does it take to fly from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
It takes around 3 hours and 50 minutes to travel the 1,550 mi from LHR to ISL.
What is the best time to fly from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
Select a flight from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Istanbul from Heathrow Airport (LHR)?
If you're leaving on a direct flight from Heathrow Airport (LHR) to Istanbul, you'll land at either Ataturk Intl. Airport (IST) or Sabiha Gokcen Intl. Airport (SAW).
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST) last-minute?
Waiting until just before your trip to book a flight from LHR to ISL often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a LHR to ISL flight and hotel package?
Booking a LHR to ISL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Ataturk Intl. Airport (IST)?
Generally, it's possible to reschedule or cancel your LHR to ISL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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