Cheap flights from London to Istanbul from C$ 155

The month of November is, on average, the cheapest month to fly to Istanbul from London, with most prices found around C$ 207. If you don’t want to visit Istanbul in November, then you should wait until January to fly from London, when ticket prices are also cheap, with an average price of C$ 217.

The cheapest day to depart from London to Istanbul is on a Wednesday. Travellers who choose to depart for Istanbul on a Wednesday will often find tickets for as low as C$ 311. The most expensive day to fly to Istanbul is Friday, with ticket prices averaging around C$ 633.

According to our data, the cheapest time of day to fly to Istanbul is at noon. momondo users have found flights departing from London to Istanbul at noon for as low as C$ 173. 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 afternoon when prices are around C$ 652.

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 C$ 449 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$ 389 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 12% 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 127 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 52 per day as of July 2026. The most frequent departure time is 4:00p.m., with 41% of daily flights leaving in the afternoon.

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