Cheapest return flights from Oslo to Thessaloniki in September from $251

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

Return flights

29 Sep - 21 Oct Ethiopian Airlines
29 Sep - 13 Oct Ethiopian Airlines
21 Sep - 01 Oct Air Serbia
29 Sep - 20 Oct Ethiopian Airlines
24 Sep - 29 Sep Ryanair
22 Sep - 13 Oct Norwegian Air Sweden AOC
29 Sep - 29 Oct Ethiopian Airlines
22 Sep - 24 Sep Wizz Air
23 Sep - 25 Sep Wizz Air
26 Sep - 10 Oct Norwegian
29 Sep - 12 Oct Norwegian
24 Sep - 28 Sep Ryanair
20 Sep - 23 Sep Ryanair
20 Sep - 21 Sep Ryanair
27 Sep - 03 Oct LOT
19 Sep - 22 Sep Turkish Airlines

Also check the deals for one-way flights from Oslo to Thessaloniki 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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