AirHint found the following cheapest one-way flights from Athens (ATH) to Barcelona (BCN) in May 2026 (see full year).

One-Way flights

18 May	Vueling Airlines	direct
20 May	Vueling Airlines	direct
14 May	Vueling Airlines	direct
13 May	Vueling Airlines	direct
27 May	Vueling Airlines	direct
16 May	Vueling Airlines	direct
23 May	Vueling Airlines	direct
11 May	easyJet
05 May	Vueling Airlines	direct
15 May	easyJet

Also check the deals for return flights from Athens 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 one-way flights from Athens to Barcelona in May from 43€

One-Way flights