Cheapest return flights from Cologne to Sofia in May from $138

AirHint found the following cheapest return flights from Cologne (CGN) to Sofia (SOF) in May 2026 (see full year).

Return flights

15 May - 29 May Ryanair direct
17 May - 29 May Ryanair direct
01 May - 15 May Ryanair direct
15 May - 05 Jun Ryanair direct
12 May - 15 May Pegasus Airlines
17 May - 05 Jun Ryanair direct
01 May - 10 May Ryanair direct
24 May - 05 Jun Ryanair direct
31 May - 05 Jun Ryanair direct
31 May - 19 Jun Ryanair direct
24 May - 14 Jun Ryanair direct
31 May - 14 Jun Ryanair direct
27 May - 29 May Ryanair
15 May - 31 May Ryanair direct
17 May - 31 May Ryanair direct
01 May - 05 May Ryanair
24 May - 31 May Ryanair direct

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

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