Cheapest return flights from Oslo to Athens in September from $173

Best time to book flights for Oslo (OSL) to Athens (ATH) flights at AirHint

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

Return flights

08 Sep - 17 Sep Air Serbia
10 Sep - 22 Sep Air Serbia
10 Sep - 21 Sep Air Serbia
04 Sep - 10 Sep Air Serbia
20 Sep - 27 Sep Air Serbia
10 Sep - 26 Sep Air Serbia
06 Sep - 22 Sep Air Serbia
06 Sep - 21 Sep Air Serbia
22 Sep - 09 Oct Norwegian
04 Sep - 10 Sep Scandinavian Airlines direct
23 Sep - 07 Oct Brussels Airlines
12 Sep - 15 Sep Air Serbia
26 Sep - 05 Oct Air Serbia
29 Sep - 05 Oct Volotea
17 Sep - 08 Oct Vueling Airlines
27 Sep - 05 Oct Ryanair
23 Sep - 08 Oct Norwegian Air Sweden AOC
30 Sep - 15 Oct Norwegian
20 Sep - 08 Oct Norwegian direct
23 Sep - 13 Oct Norwegian Air Sweden AOC

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

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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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