Cheapest return flights from Bilbao to Oslo in September from 128€

AirHint found the following cheapest return flights from Bilbao (BIO) to Oslo (OSL) in September 2025 (see full year).

Return flights

27 Sep - 15 Oct Norwegian direct
27 Sep - 11 Oct Norwegian
27 Sep - 13 Oct Norwegian
24 Sep - 11 Oct Vueling Airlines
27 Sep - 18 Oct Norwegian direct
24 Sep - 15 Oct Vueling Airlines
24 Sep - 13 Oct Vueling Airlines
24 Sep - 08 Oct Vueling Airlines
20 Sep - 08 Oct Norwegian
27 Sep - 06 Oct Norwegian
20 Sep - 24 Sep Norwegian direct
20 Sep - 23 Sep Norwegian
20 Sep - 22 Sep Norwegian
25 Sep - 30 Sep Vueling Airlines
24 Sep - 30 Sep Vueling Airlines
22 Sep - 28 Sep Air Europa
25 Sep - 28 Sep Vueling Airlines
23 Sep - 28 Sep Vueling Airlines
19 Sep - 21 Sep Air France
20 Sep - 20 Sep Norwegian

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

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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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