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
$ 173
10 Sep
- 22 Sep
Air Serbia
$ 188
10 Sep
- 21 Sep
Air Serbia
$ 188
04 Sep
- 10 Sep
Air Serbia
$ 189
20 Sep
- 27 Sep
Air Serbia
$ 189
10 Sep
- 26 Sep
Air Serbia
$ 199
06 Sep
- 22 Sep
Air Serbia
$ 201
06 Sep
- 21 Sep
Air Serbia
$ 202
22 Sep
- 09 Oct
Norwegian
$ 217
04 Sep
- 10 Sep
Scandinavian Airlines
$ 233
direct
23 Sep
- 07 Oct
Brussels Airlines
$ 234
12 Sep
- 15 Sep
Air Serbia
$ 235
26 Sep
- 05 Oct
Air Serbia
$ 280
29 Sep
- 05 Oct
Volotea
$ 288
17 Sep
- 08 Oct
Vueling Airlines
$ 325
27 Sep
- 05 Oct
Ryanair
$ 344
23 Sep
- 08 Oct
Norwegian Air Sweden AOC
$ 396
30 Sep
- 15 Oct
Norwegian
$ 403
20 Sep
- 08 Oct
Norwegian
$ 404
direct
23 Sep
- 13 Oct
Norwegian Air Sweden AOC
$ 410
Also check the deals for one-way flights from Oslo to Athens in September .
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.