€112 Find Cheap Flights from London to Istanbul – Compare and Save

The cheapest month for flights from London Heathrow Airport to Istanbul Airport is November, where tickets cost €216 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is €418 and €376 respectively.

To get a below average price on the flight from London Heathrow Airport to Istanbul Airport, you should book around 4 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Weekly flights between London and Istanbul historically see delays in approximately 9% of cases, with the average delay over the past year being 127 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, Turkish Airlines have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

There are 2 cabin class options for the route. These are Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 8 and 10 direct flights that take off from London Heathrow Airport and land in Istanbul Airport, with an average flight time of 3h 51m. The most common departure time is 18:00 and most flights take off in the morning. Each week, there are 62 flights. The most frequent day of departure is Tuesday, when 16% of all weekly flights depart. The fewest flights depart on a Wednesday.