Cheapest return BIO–OSL flights, May

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

Return flights

06 May - 12 May Wizz Air UK
13 May - 18 May Wizz Air Malta
06 May - 13 May Wizz Air UK
06 May - 09 May Wizz Air UK
06 May - 16 May Wizz Air UK
13 May - 17 May Wizz Air Malta
06 May - 10 May Wizz Air UK
31 May - 04 Jun Volotea
21 May - 24 May Wizz Air
09 May - 16 May Vueling Airlines
08 May - 10 May Wizz Air UK
30 May - 03 Jun Norwegian
20 May - 03 Jun Norwegian direct
20 May - 06 Jun Norwegian direct
13 May - 03 Jun Norwegian direct
23 May - 03 Jun Norwegian direct
23 May - 06 Jun Norwegian direct
30 May - 03 Jun Norwegian direct
30 May - 06 Jun Norwegian direct
23 May - 13 Jun Norwegian direct

Also check the deals for one-way flights from Bilbao 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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