Cheapest return flights from Basel to Oslo in May from $132

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 Norwegian direct
28 May - 14 Jun Norwegian direct
28 May - 11 Jun Norwegian direct
28 May - 04 Jun Norwegian direct
31 May - 04 Jun Norwegian direct
31 May - 14 Jun Norwegian direct
31 May - 11 Jun Norwegian direct
28 May - 07 Jun Norwegian direct
31 May - 07 Jun Norwegian direct
31 May - 18 Jun Norwegian direct
28 May - 05 Jun Norwegian
29 May - 31 May Norwegian Air Sweden AOC
09 May - 15 May Ryanair
22 May - 25 May Wizz Air
14 May - 21 May easyJet
08 May - 15 May easyJet
14 May - 17 May easyJet

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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