Cheapest return flights from Bilbao to Oslo in April from $125

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

Return flights

08 Apr - 15 Apr Norwegian direct
15 Apr - 18 Apr Air Europa
15 Apr - 06 May Norwegian direct
25 Apr - 02 May Air Europa
19 Apr - 03 May Air Europa
01 Apr - 15 Apr Norwegian direct
08 Apr - 11 Apr Air Europa
15 Apr - 15 Apr Norwegian
08 Apr - 08 Apr Norwegian
08 Apr - 18 Apr Vueling Airlines
01 Apr - 08 Apr Norwegian
15 Apr - 18 Apr Norwegian direct
08 Apr - 18 Apr Norwegian direct
15 Apr - 02 May Norwegian direct
25 Apr - 06 May Norwegian direct
25 Apr - 09 May Norwegian direct
25 Apr - 02 May Norwegian direct

Also check the deals for one-way flights from Bilbao to Oslo in April.

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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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