Cheap flights from Brussels to Istanbul from $116

In general, November is the cheapest month to fly from Brussels to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $154. If you don’t want to visit Istanbul Airport in November, then you should wait until February to fly from Brussels, when ticket prices are also cheap, with an average price of $174.

Our data shows that Monday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $704. On the other hand, Friday is the most expensive day to depart from Brussels because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $781.

At noon is the cheapest time of day to fly from Brussels to Istanbul Airport when you can find flight prices for as low as $380. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $597.

Fly from Brussels Bruxelles-National to Istanbul for the best Brussels - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul Airport from Brussels when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $248 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Brussels for as low as $190 on momondo.

Turkish Airlines, KLM, and Air Serbia are the most popular carriers operating from Brussels to Istanbul

Pegasus Airlines, Turkish Airlines and Ajet are the top three most popular airlines that fly to Istanbul Airport from Brussels according to our data. Pegasus Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Istanbul Airport. Keep in mind that there are 3 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 14% of flights between Brussels 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 in the morning tend to experience fewer delays. Flights at night 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. Saturday 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 12% of their flights experiencing any sort of delay.

As of May 2026, there are 12 flights per day flying from Brussels to Istanbul Airport. The most common time of day flights depart is 7:00AM, with 65% of flights taking off at noon.

As of May 2026, there are 86 flights per week flying from Brussels to Istanbul Airport. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.