Cheap flights from London to Istanbul from C$ 69

The month of January is, on average, the cheapest month to fly to Istanbul from London, with most prices found around C$ 153. 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 C$ 153.

The cheapest day to depart from London to Istanbul is on a Monday. Travellers who choose to depart for Istanbul on a Monday will often find tickets for as low as C$ 238. The most expensive day to fly to Istanbul is Friday, with ticket prices averaging around C$ 507.

According to our data, the cheapest time of day to fly to Istanbul is in the evening. momondo users have found flights departing from London to Istanbul in the evening for as low as C$ 230. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Istanbul is in the morning when prices are around C$ 725.

Fly from London Luton 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 C$ 428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London for as low as C$ 365 on momondo.

There are 3 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.

Wizz Air, Air Serbia, and KLM 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 from London according to our data. Turkish Airlines is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Istanbul. Keep in mind that there are 3 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

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 has had the least delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

The number of flights available between London and Istanbul is 46 per day as of April 2026. The most frequent departure time is 5:00p.m., with 49% of daily flights leaving in the afternoon.

322 flights are operational weekly from London to Istanbul as of April 2026. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.