Cheap flights from Istanbul to London from $99

If you aren’t able to travel during the month of February, then book flights to London from Istanbul during March instead. Flights to London in March, while not as cheap as those in February, still average around $71.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $359. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Istanbul to London for around $788.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $239. In contrast, the most expensive time of day to depart to London is in the morning when prices are around $788.

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

You are more likely to see cheaper flights to London from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $446 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Istanbul for as low as $392 on momondo.

There are 2 cabin classes available to choose from on Istanbul to London 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 16% of flights between Istanbul and London have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the evening 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, British Airways have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

54 flights are operational daily from Istanbul to London as of July 2026. The most popular departure time for this route is 13:00, with 37% of flights per day taking off at midday.

383 flights are operational weekly from Istanbul to London as of July 2026. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.