Cheapest return OSL–ATH flights, September

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

Return flights

27 Sep - 08 Oct Wizz Air
30 Sep - 04 Oct Ryanair
01 Sep - 02 Sep Ryanair
29 Sep - 04 Oct Ryanair
18 Sep - 21 Sep Air Serbia
01 Sep - 11 Sep Wizz Air
19 Sep - 21 Sep Ryanair
03 Sep - 06 Sep Wizz Air
03 Sep - 12 Sep Wizz Air
04 Sep - 06 Sep Air Serbia
02 Sep - 03 Sep Wizz Air
28 Sep - 11 Oct Wizz Air
02 Sep - 02 Sep Norwegian
11 Sep - 19 Sep Air Serbia
30 Sep - 12 Oct Norwegian direct
30 Sep - 17 Oct Norwegian direct
27 Sep - 12 Oct Norwegian Air Sweden AOC
27 Sep - 17 Oct Norwegian Air Sweden AOC
30 Sep - 13 Oct Norwegian
21 Sep - 02 Oct Norwegian

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

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