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

Return flights

20 Aug - 25 Aug	Volotea
31 Aug - 08 Sep	Wizz Air Malta
20 Aug - 24 Aug	Volotea
20 Aug - 29 Aug	Volotea
23 Aug - 25 Aug	Norwegian	direct
20 Aug - 27 Aug	Volotea
27 Aug - 31 Aug	Volotea
13 Aug - 17 Aug	LOT
20 Aug - 31 Aug	Volotea
24 Aug - 25 Aug	Norwegian	direct
29 Aug - 03 Sep	Aegean Airlines
19 Aug - 25 Aug	LOT
28 Aug - 02 Sep	Lufthansa
27 Aug - 07 Sep	Norwegian
30 Aug - 02 Sep	Norwegian
28 Aug - 01 Sep	Lufthansa
30 Aug - 07 Sep	Norwegian
27 Aug - 08 Sep	Norwegian	direct
27 Aug - 01 Sep	Norwegian	direct
22 Aug - 02 Sep	Lufthansa

Also check the deals for one-way flights from Athens to Oslo 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 return flights from Athens to Oslo in August from $163

Return flights