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

Return flights

08 Jul - 16 Jul	Lufthansa
10 Jul - 22 Jul	LOT
03 Jul - 15 Jul	Lufthansa
21 Jul - 29 Aug	Lufthansa
04 Jul - 07 Jul	Qatar Airways
16 Jul - 06 Aug	Emirates
15 Jul - 06 Aug	Emirates
01 Jul - 07 Jul	Air France
23 Jul - 30 Jul	Air France
05 Jul - 10 Jul	Qatar Airways
21 Jul - 07 Aug	KLM
08 Jul - 18 Jul	Emirates
21 Jul - 30 Jul	Lufthansa
28 Jul - 01 Aug	KLM
30 Jul - 19 Aug	Turkish Airlines
29 Jul - 01 Aug	Lufthansa
30 Jul - 08 Aug	Air France
28 Jul - 04 Aug	KLM
05 Jul - 26 Jul	Lufthansa

Also check the deals for one-way flights from Seoul 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.

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Cheapest return flights from Seoul to Sofia in July from $802

Return flights