Cheapest return BSL–OSL flights, May

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

Return flights

28 May - 31 May Ryanair
28 May - 01 Jun Ryanair
28 May - 30 May Ryanair
28 May - 04 Jun Ryanair
31 May - 04 Jun Wizz Air
31 May - 02 Jun Wizz Air
28 May - 29 May Ryanair
28 May - 07 Jun Ryanair
31 May - 07 Jun Wizz Air
26 May - 28 May Wizz Air
24 May - 26 May Wizz Air
28 May - 11 Jun Norwegian direct
28 May - 04 Jun Norwegian direct
31 May - 06 Jun Wizz Air
30 May - 31 May Wizz Air
26 May - 29 May Wizz Air
24 May - 29 May Wizz Air
21 May - 25 May Wizz Air
24 May - 28 May Wizz Air
24 May - 04 Jun Wizz Air

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

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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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