Cheap flights from Bucharest Otopeni Intl Airport to Istanbul from £51

The month of May is, on average, the cheapest month to fly to Istanbul from Bucharest Otopeni Intl Airport, with most prices found around £42. If you aren’t able to travel to Istanbul during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of £49.

On average, the least expensive day to fly to Istanbul from Bucharest Otopeni Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £275. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Bucharest Otopeni Intl Airport to Istanbul on a Saturday will generally be more expensive and average around £809. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Istanbul from Bucharest Otopeni Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £269 when looking at flights departing in the morning. Flights to Istanbul are more costly in the evening, with an average ticket price of £697. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Bucharest Otopeni Intl to Istanbul for the best Bucharest Otopeni Intl - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around £132 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Bucharest Otopeni Intl Airport for as low as £111 on momondo.

There are 3 cabin classes available to choose from on Bucharest Otopeni Intl Airport to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Pegasus Airlines, Ajet, and Air Serbia are the most popular carriers operating from Bucharest Otopeni Intl to Istanbul

Turkish Airlines, TAROM and Pegasus Airlines are the top three most popular airlines that fly to Istanbul from Bucharest Otopeni Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 40% 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 15% of flights between Bucharest and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 105 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.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 11% of their flights experiencing any sort of delay.

As of June 2026, 8 flights take off from Bucharest Otopeni Intl Airport and land in Istanbul each day. The most common flight departure time for this route is 07:00, with 39% of daily flights taking off at midday.

As of June 2026, 60 flights take off from Bucharest Otopeni Intl Airport and land in Istanbul each week. The most common flight departure day for this route is Wed, with 22% of weekly flights taking off on this day.