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

Return flights

06 May - 08 May	Ryanair	direct
07 May - 09 May	Ryanair	direct
06 May - 15 May	Ryanair	direct
04 May - 15 May	Eurowings
04 May - 15 May	Ryanair	direct
15 May - 21 May	Ryanair
25 May - 05 Jun	Eurowings
15 May - 21 May	Ryanair	direct
01 May - 06 May	Ryanair	direct
29 May - 05 Jun	Ryanair	direct
08 May - 15 May	Ryanair	direct
10 May - 15 May	Ryanair	direct
25 May - 05 Jun	Eurowings	direct
23 May - 05 Jun	Eurowings
23 May - 05 Jun	Ryanair	direct

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

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 Cologne to Barcelona in May from 123€

Return flights