Cheapest return flights from Oslo to Basel in August from $155

AirHint found the following cheapest return flights from Oslo (OSL) to Basel (BSL) in August 2026 (see full year).

Return flights

13 Aug - 16 Aug Norwegian direct
23 Aug - 13 Sep Norwegian
20 Aug - 21 Aug Norwegian
13 Aug - 21 Aug Norwegian
16 Aug - 21 Aug Norwegian
13 Aug - 13 Aug Norwegian
17 Aug - 21 Aug Norwegian Air Sweden AOC

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

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