Find Cheap Flights from Istanbul to London Heathrow Airport – Compare and Save

The absolute cheapest return flight from Istanbul to London Heathrow Airport costs £80 on the route between Istanbul Airport (IST) and London Heathrow Airport (LHR). However, over the past month, flights between Istanbul Sabiha Gokcen Airport (SAW) and London Heathrow Airport (LHR) were, on average, 33% cheaper than other Istanbul-London Heathrow Airport routes. The most popular route is between Istanbul Airport (IST) and London Heathrow Airport (LHR).

Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Tuesday and more expensive on a Thursday. On your return trip to Istanbul, you should consider flying back on a Tuesday, and avoid Saturdays for better deals.

The cheapest month for flights from Istanbul to London Heathrow Airport is February, where tickets cost £194 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £327 and £308 respectively.

To get a below average price on the flight from Istanbul to London Heathrow Airport, you should book around 3 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Weekly flights between Istanbul and London historically see delays in approximately 15% of cases, with the average delay over the past year being 99 minutes.

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

Statistically, Thursday 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, British Airways have experienced the fewest delays on this route in the past 12 months, with only about 11% of their flights encountering any delays.

There are 3 cabin class options for the route. These are Business, 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 Istanbul and land in London Heathrow Airport, with an average flight time of 4h 06m. The most common departure time is 13:00 and most flights take off in the afternoon. Each week, there are 63 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Friday.