Cheapest return flights from Athens to Oslo in September from $178

AirHint found the following cheapest return flights from Athens (ATH) to Oslo (OSL) in September 2026 (see full year).

Return flights

18 Sep - 21 Sep Air Serbia
11 Sep - 14 Sep Air Serbia
03 Sep - 06 Sep Air Serbia
11 Sep - 18 Sep Air Serbia
22 Sep - 27 Sep Air Serbia
11 Sep - 20 Sep Air Serbia
18 Sep - 21 Sep Aegean Airlines direct
16 Sep - 06 Oct Norwegian
26 Sep - 12 Oct Norwegian direct
16 Sep - 21 Sep Norwegian direct
11 Sep - 14 Sep Aegean Airlines direct
01 Sep - 21 Sep Norwegian Air Sweden AOC
16 Sep - 03 Oct Norwegian
18 Sep - 06 Oct Norwegian Air Sweden AOC
26 Sep - 06 Oct Norwegian
26 Sep - 11 Oct Norwegian direct
18 Sep - 03 Oct Norwegian Air Sweden AOC
26 Sep - 03 Oct Norwegian
12 Sep - 03 Oct Norwegian
13 Sep - 03 Oct Norwegian

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

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