AirHint found the following cheapest one-way flights from Athens (ATH) to Barcelona (BCN) in August 2025 (see full year).

One-Way flights

01 Aug	Vueling Airlines	direct
04 Aug	Vueling Airlines	direct
05 Aug	Aegean Airlines	direct
06 Aug	Vueling Airlines	direct
02 Aug	Vueling Airlines	direct
12 Aug	Aegean Airlines
26 Aug	Wizz Air
18 Aug	Wizz Air
27 Aug	Wizz Air
19 Aug	Wizz Air

Also check the deals for return flights from Athens to Barcelona in August.

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 August from 59€

One-Way flights