Cheapest return flights from Oslo to Basel in May from 123€

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

Return flights

27 May - 31 May Wizz Air
28 May - 11 Jun Norwegian direct
28 May - 07 Jun Norwegian direct
28 May - 31 May Norwegian direct
29 May - 01 Jun Ryanair
28 May - 01 Jun Norwegian
24 May - 11 Jun Norwegian direct
24 May - 07 Jun Norwegian direct
28 May - 04 Jun Norwegian direct
28 May - 29 May Norwegian
24 May - 28 May Norwegian direct
24 May - 01 Jun Norwegian
28 May - 12 Jun Norwegian
31 May - 11 Jun Norwegian direct
24 May - 31 May Norwegian direct
24 May - 29 May Norwegian
20 May - 27 May KLM
29 May - 31 May Norwegian
03 May - 08 May Wizz Air

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

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