Cheap flights from London to Istanbul from €103

If you are unable to visit Istanbul Airport during the month of November, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around €138.

The cheapest day to depart from London to Istanbul Airport is on a Monday when prices can be found for as low as €399. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul Airport on Friday is €1,085.

Our most recent data shows that the best time of day to fly to Istanbul Airport is at midday. Flights from London to Istanbul Airport during this time can be as low as €226. Try not to purchase tickets in the afternoon because they tend to be around €721. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Istanbul Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around €276 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from London for as low as €239 on momondo.

There are 2 cabin classes available to choose from on London to Istanbul Airport 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 10% 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 131 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 August 2026, there are 22 flights per day flying from London to Istanbul Airport. The most common time of day flights depart is 18:00, with 38% of flights taking off in the afternoon.

As of August 2026, 159 flights take off from London and land in Istanbul Airport each week. The most common flight departure day for this route is Fri, with 25% of weekly flights taking off on this day.