Cheapest return flights from Bilbao to Oslo in May from $181

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

Return flights

22 May - 30 May Air Europa
20 May - 03 Jun Norwegian
20 May - 30 May Norwegian direct
09 May - 16 May Vueling Airlines
20 May - 03 Jun Norwegian direct
16 May - 03 Jun Norwegian
22 May - 03 Jun Vueling Airlines
09 May - 30 May Norwegian direct
09 May - 16 May Norwegian direct
16 May - 30 May Norwegian direct
09 May - 13 May Norwegian direct
16 May - 03 Jun Norwegian direct
17 May - 03 Jun Norwegian Air Sweden AOC
17 May - 30 May Norwegian Air Sweden AOC

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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