Cheap flights from Belgrade to Istanbul from $210

The month of July is, on average, the cheapest month to fly to Istanbul from Belgrade, with most prices found around $67. The month of October is another great option to travel to Istanbul, with average flight prices from Belgrade averaging around $75.

The cheapest day to depart on your flight to Istanbul is on a Sunday when prices can be found for as low as $1,578. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Belgrade to Istanbul for around $2,226.

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You are more likely to see cheaper flights to Istanbul from Belgrade when booking week ahead of your departure date. In general, you can expect to find flights to Istanbul for around $337 when searching week before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Belgrade for as low as $248 on momondo.

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 110 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

15 flights are operational daily from Belgrade to Istanbul as of July 2026. The most popular departure time for this route is 16:00, with 43% of flights per day taking off in the afternoon.

The number of flights available between Belgrade and Istanbul is 105 per week as of July 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.