Cheap flights from Belgrade to Istanbul from $116

In general, August is the cheapest month to fly from Belgrade to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $119. If you aren’t able to travel to Istanbul during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $188.

The cheapest day to depart from Belgrade to Istanbul is on a Friday when prices can be found for as low as $702. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Thursday is $799.

Fly from Belgrade Nikola Tesla to Istanbul Sabiha Gokcen for the best Belgrade Nikola Tesla - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from Belgrade when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $227 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Belgrade for as low as $186 on momondo.

Air Serbia and Turkish Airlines are the most popular carriers operating from Belgrade Nikola Tesla to Istanbul

Air Serbia, Turkish Airlines and Pegasus Airlines are the top three most popular airlines that fly to Istanbul from Belgrade according to our data. Air Serbia is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Istanbul. Keep in mind that there are 4 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Belgrade and Istanbul 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 morning tend to experience fewer delays. Flights in the evening 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 9% of their flights experiencing any sort of delay.

As of March 2026, 5 flights take off from Belgrade and land in Istanbul each day. The most common flight departure time for this route is 3:00PM, with 40% of daily flights taking off in the afternoon.

As of March 2026, 39 flights take off from Belgrade and land in Istanbul each week. The most common flight departure day for this route is Tue, with 38% of weekly flights taking off on this day.