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Departure·1 pax, Economy

Cheapest flights for Istanbul – Sofia (IST – SOF)

Aviasales.az will find you the cheapest airfare for Istanbul – Sofia by comparing the ticket prices to Sofia using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Istanbul – Sofia is up to you.

Istanbul – Sofia is most popular in July, August and September. During this period the average ticket price is 208.

Direct flight for from Istanbul to Sofia

The easiest way to to get to your destination is a direct flight. Direct flights for from Istanbul to Sofia are offered by:

  • IndiGo (5 days per week, flight 6E4121)
  • Turkish Airlines (4 days per week, flight TK1029)
  • Pegasus Airlines (1 day per week, flight PC271)

Sofia is served by 1 airport: Sofia Airport. Direct flights for Istanbul – Sofia are operated by:
  • Turkish Airlines from Istanbul New Airport to Sofia Airport
  • Pegasus Airlines from Sabiha Gokcen International Airport to Sofia Airport
Flight with layover for the route from Istanbul to Sofia

An alternative option for Istanbul – Sofia (round-trip) would be a flight with a layover. Prices start at 701 up to 737.

A flight with a layover on the route Istanbul – Sofia will allow you to make your trip more interesting. The layover could be in:

  • Varna (flight TK1075 Turkish Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Istanbul – Sofia could change by more than 67%.

Aviasales.az suggests buying tickets from Istanbul Sofia in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Istanbul – Sofia (IST – SOF)
1 ⁠hr 20 ⁠min
Average flight duration
486 km
Distance
1 ⁠hr
Current time difference
38
Number of flights per week
₼67
Lowest price
₼90
Average ticket price
07:20
Earliest flight out
19:00
Latest flight out

Ticket prices for Istanbul – Sofia by month *

Month One-way Round-trip
July 2025 30.07.2025
01.07 - 08.07.2025
August 2025 05.08.2025
01.08 - 08.08.2025
September 2025 21.09.2025
01.09 - 08.09.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Istanbul to Sofia found by our users over the last 48 hours: ticket with Pegasus Airlines with a departure on 21.09.2025 and a price of 100 AZN.
Fastest flight for from Istanbul to Sofia: ticket with Turkish Airlines with the nearest departure on 29.07.2025 and a flight duration of 1hrs. 15min..
Airlines flying from Istanbul to Sofia
Airports serving Istanbul – Sofia

Istanbul airports serving flights to Sofia:

  • Sabiha Gokcen International Airport (SAW)
  • Istanbul New Airport (IST)

Sofia airports accepting flights from Istanbul:

  • Sofia Airport (SOF)