$75 Find Cheap Flights from Sofia to Istanbul - Compare and Save

For Sofia to Istanbul, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Istanbul back to Sofia, the best deals are generally found on Monday, with Tuesday being the most expensive.

The cheapest month for flights from Sofia to Istanbul Airport is October, where tickets cost $110 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $240 and $223 respectively.

In the past 5 days, the cheapest round-trip tickets from Sofia to Istanbul were found on Air Serbia ($175) and Turkish Airlines ($198).

There are 2 airlines that fly nonstop from Sofia to Istanbul Airport. They are Pegasus Airlines and Turkish Airlines. The cheapest airline for this route is Pegasus Airlines, with the best round-trip deal found costing $96. On average, the best prices for this route can be found at Pegasus Airlines.

Weekly flights between Sofia and Istanbul historically see delays in approximately 9% of cases, with the average delay over the past year being 107 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Thursday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, Turkish Airlines have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 nonstop flights that take off from Sofia and land in Istanbul Airport, with an average flight time of 1h 30m. The most common departure time is 9:00 pm and most flights take off in the morning. Each week, there are 23 flights. The most frequent day of departure is Friday, when 17% of all weekly flights depart. The fewest flights depart on a Monday.