AirHint found the following cheapest return flights from Cologne (CGN) to Sofia (SOF) in June 2025 (see full year).

Return flights

30 Jun - 18 Jul	Ryanair	direct
30 Jun - 11 Jul	Ryanair	direct
30 Jun - 07 Jul	Ryanair	direct
30 Jun - 14 Jul	Ryanair	direct
27 Jun - 04 Jul	Pegasus Airlines
29 Jun - 04 Jul	Pegasus Airlines
26 Jun - 30 Jun	Ryanair
24 Jun - 01 Jul	AJet
23 Jun - 27 Jun	AJet
30 Jun - 21 Jul	Ryanair	direct
28 Jun - 01 Jul	Ryanair
26 Jun - 28 Jun	Ryanair
24 Jun - 27 Jun	AJet
26 Jun - 29 Jun	Ryanair
25 Jun - 02 Jul	Eurowings
24 Jun - 29 Jun	Pegasus Airlines
23 Jun - 28 Jun	Pegasus Airlines
23 Jun - 29 Jun	Pegasus Airlines
22 Jun - 27 Jun	AJet
22 Jun - 26 Jun	AJet

Also check the deals for one-way flights from Cologne to Sofia in June.

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 Cologne to Sofia in June from $166

Return flights