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

Return flights

25 Aug - 31 Aug	Ryanair
28 Aug - 02 Sep	Ryanair
28 Aug - 06 Sep	Ryanair
28 Aug - 31 Aug	Ryanair
06 Aug - 13 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
29 Aug - 03 Sep	Ryanair
06 Aug - 09 Aug	Ryanair
27 Aug - 03 Sep	Ryanair
26 Aug - 31 Aug	Ryanair
05 Aug - 13 Aug	Ryanair
27 Aug - 06 Sep	Ryanair
05 Aug - 09 Aug	Ryanair
06 Aug - 10 Aug	Ryanair
09 Aug - 13 Aug	Ryanair
23 Aug - 05 Sep	Ryanair
29 Aug - 07 Sep	SWISS
30 Aug - 07 Sep	SWISS
30 Aug - 06 Sep	SWISS

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

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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Cheapest return flights from Thessaloniki to Oslo in August from $171

Return flights