AirHint found the following cheapest return flights from Oslo (OSL) to Athens (ATH) in June 2025 (see full year).

Return flights

18 Jun - 27 Jun	Ryanair
18 Jun - 23 Jun	Ryanair
18 Jun - 21 Jun	Ryanair
24 Jun - 27 Jun	Ryanair
16 Jun - 21 Jun	Ryanair
17 Jun - 27 Jun	Ryanair
16 Jun - 21 Jun	Norwegian	direct
18 Jun - 02 Jul	Ryanair
18 Jun - 28 Jun	Ryanair
24 Jun - 28 Jun	Ryanair
16 Jun - 27 Jun	Norwegian	direct
25 Jun - 02 Jul	Ryanair
24 Jun - 01 Jul	Ryanair
16 Jun - 02 Jul	Norwegian	direct
16 Jun - 04 Jul	Norwegian	direct
16 Jun - 05 Jul	Norwegian	direct
25 Jun - 01 Jul	Wizz Air
29 Jun - 02 Jul	Ryanair
27 Jun - 04 Jul	Volotea
20 Jun - 06 Jul	Volotea

Also check the deals for one-way flights from Oslo to Athens 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.

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Cheapest return flights from Oslo to Athens in June from $250

Return flights