Cheap Flights Sofia to Istanbul from £33

Flight FAQs

• Which airlines offer the cheapest flights from Sofia to Istanbul?

  Based on Trip.com data, Pegasus Airlines offers Cheapest nonstop one-way flights from £33 (for example, SOF–SAW on Thu, Nov 19). For a Cheapest nonstop return flight, Pegasus Airlines offers fares from £66, departing on Mon, Dec 14 and returning on Fri, Dec 18.

• 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 Pegasus 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 to Istanbul?

  A flight from Sofia (SOF) to Istanbul (IST) takes an average of 1 hour 27 minutes.

• 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 from Sofia to Istanbul each week?

  On average, 29 direct flights operate each week between Sofia and Istanbul. See below the schedules of the main airlines serving this route:
  Turkish Airlines: S/M/T/W/T/F/S – TK1028 (departure at 09:47)

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

  Here are some tips for finding the best flight deals from Sofia to Istanbul on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Nov 19, with one-way fares from just £33.
  · Compare airlines. Pegasus Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Istanbul.
  · Get exclusive promo codes on the Trip.com app.

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

  The cheapest month to book a flight from Sofia to Istanbul is usually December, when demand is lower.

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

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Sofia to Istanbul on October 31, 2026 with Pegasus Airlines, with prices starting at £44.

• Which airports should you choose for flights from Sofia to Istanbul?

  Flights to Istanbul can arrive at: Ataturk Airport (ISL), Istanbul Airport (IST) and Sabiha Gökçen International Airport (SAW). The most common route connects Sofia Airport and Istanbul Airport (SOF–IST).

• 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.

• What is the average price of a one-way flight from Sofia to Istanbul?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sofia to Istanbul is £144. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Sofia to Istanbul?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Sofia to Istanbul is £146. Fares vary by travel date, airline and availability.

• How do I book flights from Sofia to Istanbul on Trip.com?

  Enter Sofia and Istanbul, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Sofia to Istanbul route?

  Pegasus Airlinesare the most popular budget airlines flying from Sofia to Istanbul. Check baggage, seat and payment fees before comparing the final price.