AirHint found the following cheapest return flights from Thessaloniki (SKG) to Sofia (SOF) in July 2025 (see full year).

Return flights

25 Jul - 28 Jul	Aegean Airlines
21 Jul - 28 Jul	Aegean Airlines
21 Jul - 22 Jul	Aegean Airlines
28 Jul - 15 Aug	Aegean Airlines
29 Jul - 02 Aug	Aegean Airlines
29 Jul - 01 Aug	Aegean Airlines
27 Jul - 31 Jul	SKY express
27 Jul - 03 Aug	SKY express
27 Jul - 14 Aug	SKY express
27 Jul - 13 Aug	SKY express
27 Jul - 10 Aug	SKY express
27 Jul - 11 Aug	SKY express
27 Jul - 17 Aug	SKY express
18 Jul - 31 Jul	SKY express
20 Jul - 31 Jul	SKY express
18 Jul - 03 Aug	SKY express
18 Jul - 24 Jul	SKY express
20 Jul - 24 Jul	SKY express
18 Jul - 21 Jul	SKY express
20 Jul - 21 Jul	SKY express

Also check the deals for one-way flights from Thessaloniki to Sofia in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Cheapest return flights from Thessaloniki to Sofia in July from 218€

Return flights