Cheapest return flights from Athens to Oslo in September from $198

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

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

Return flights

19 Sep - 22 Sep Air France
25 Sep - 29 Sep Ryanair
18 Sep - 21 Sep Air Serbia
10 Sep - 20 Sep Aegean Airlines
12 Sep - 21 Sep Aegean Airlines
16 Sep - 20 Sep Ryanair
04 Sep - 07 Sep Air Serbia
12 Sep - 22 Sep Aegean Airlines
26 Sep - 29 Sep Air Serbia
01 Sep - 08 Sep Norwegian
24 Sep - 15 Oct Norwegian direct
24 Sep - 13 Oct Norwegian direct
17 Sep - 06 Oct Norwegian direct
17 Sep - 05 Oct Norwegian direct
24 Sep - 06 Oct Norwegian direct
24 Sep - 05 Oct Norwegian direct
26 Sep - 15 Oct Norwegian Air Sweden AOC
24 Sep - 11 Oct Norwegian direct
22 Sep - 13 Oct Norwegian direct
17 Sep - 07 Oct Norwegian

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

Skyscanner

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo