Cheap flights from London to Istanbul from $109

In general, November is the cheapest month to fly from London to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $150. If you don’t want to visit Istanbul Airport in November, then you should wait until January to fly from London, when ticket prices are also cheap, with an average price of $159.

Our data shows that Thursday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $480. On the other hand, Tuesday is the most expensive day to depart from London because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $696.

At noon is the cheapest time of day to fly from London to Istanbul Airport when you can find flight prices for as low as $225. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $692.

Fly from London Luton 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 $318 when searching weeks out. 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 $276 on momondo.

There are 3 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.

No. A direct flight is the cheapest option for a flight between London to Istanbul Airport.

As of August 2026, prices for London to Istanbul Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

Wizz Air, KLM, and Vueling are the most popular carriers operating from London to Istanbul

Turkish Airlines, Wizz Air and British Airways are the top three most popular airlines that fly to Istanbul Airport from London according to our data. Turkish Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Istanbul Airport. Keep in mind that there are 6 different airlines that fly to Istanbul Airport on a routine basis, so you have a few additional options to choose from.

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $431.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 5h 45m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 15m.

As of August 2026, there are 39 flights per day flying from London to Istanbul Airport. The most common time of day flights depart is 6:00PM, with 38% of flights taking off in the afternoon.

274 flights are operational weekly from London to Istanbul Airport as of August 2026. The most popular departure day for this route is Fri, with 23% of flights per week taking off on this day.