Cheap flights from London to Istanbul from ₹ 11,917

The cheapest month to fly to Istanbul from London is in January. Flight prices, which tend to average around ₹ 10,404, are often lower during this time because this is during the off-season. If you don’t want to visit Istanbul in January, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of ₹ 10,404.

Our data shows that Monday is the least expensive day to fly to Istanbul. Tickets to fly out on this day can be as low as ₹ 47,234. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London to Istanbul for around ₹ 87,278.

The cheapest time of day to fly to Istanbul is at midday when flights can be purchased for as low as ₹ 24,113. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around ₹ 69,702.

Fly from London Gatwick to Istanbul for the best London - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around ₹ 29,154 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London for as low as ₹ 24,874 on momondo.

There are 2 cabin classes available to choose from on London to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 13% of flights between London and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of March 2026, there are 17 flights per day flying from London to Istanbul. The most common time of day flights depart is 17:00, with 47% of flights taking off in the afternoon.

As of March 2026, 121 flights take off from London and land in Istanbul each week. The most common flight departure day for this route is Fri, with 35% of weekly flights taking off on this day.