Cheap Flights from Sofia to Istanbul from S$ 79

Frequently Asked Questions

• Which airlines offer the cheapest flights from Sofia (SOF) to Istanbul (IST)?

  Based on Trip.com data, Pegasus Airlines offers one-way fares as low as S$ 79 on Cheapest nonstop routes (e.g. SOF to SAW on Sat, Jul 25), while Pegasus Airlines offers Cheapest nonstop round-trips from S$ 155 departing on Thu, Jul 30 and returning on Mon, Aug 3.

• Which airlines offer direct flights from Sofia to Istanbul?

  At the moment, you can catch a direct flight from Sofia to Istanbul with the following airlines, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Sofia (SOF) to Istanbul (IST)?

  It takes about 1 hour 27 minutes to fly from Sofia (SOF) to Istanbul (IST).

• When is the best time to book flights from Sofia to Istanbul?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sofia to Istanbul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Sofia to Istanbul?

  Based on Trip.com data in the past 4 weeks, there is 29 flight per week flying from Sofia to Istanbul. You can check the weekly schedule for popular airlines on this route below: Turkish Airlines: S/M/T/W/T/F/S -- TK1028 (09:48) Turkish Airlines: S/M/T/W/T/F/S -- TK1032 (16:15)

• How can I find the best deals on flights from Sofia to Istanbul?

  To find best deals on flights from Sofia to Istanbul, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jul 25, with one-way flights priced at just S$ 79.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Pegasus Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Istanbul travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Sofia to Istanbul to get the best price?

  The cheapest months to fly from Sofia to Istanbul is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Sofia to Istanbul?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Sofia to Istanbul on July 24, 2026 with Pegasus Airlines, with prices starting at S$ 68.

• Which airports can I fly through when travelling to Istanbul from Sofia?

  You can land at any one of the following hubs in Istanbul, with Sofia Airport to Istanbul Airport (SOF-IST) is by far the most common option on this route: Istanbul Airport (IST) Sabiha Gökçen International Airport (SAW) Ataturk Airport (ISL).

• What is the time difference between Sofia and Istanbul?

  The time difference between Istanbul and Sofia is 1h.

• How can I change or cancel my flight ticket from Sofia to Istanbul?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.