Cheapest return flights from Bilbao to Oslo in September from 126€

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

Return flights

06 Sep - 20 Sep Norwegian
06 Sep - 10 Sep Norwegian
27 Sep - 11 Oct Vueling Airlines
06 Sep - 17 Sep Norwegian
03 Sep - 20 Sep Norwegian
03 Sep - 17 Sep Norwegian
06 Sep - 14 Sep Norwegian
10 Sep - 24 Sep Vueling Airlines
06 Sep - 24 Sep Norwegian
13 Sep - 17 Sep Vueling Airlines
03 Sep - 06 Sep Norwegian direct
29 Sep - 05 Oct Vueling Airlines
27 Sep - 15 Oct Norwegian
27 Sep - 08 Oct Norwegian
27 Sep - 15 Oct Norwegian direct
27 Sep - 18 Oct Norwegian direct
27 Sep - 11 Oct Norwegian direct
27 Sep - 08 Oct Norwegian direct
20 Sep - 08 Oct Vueling Airlines
13 Sep - 01 Oct Norwegian

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

Skyscanner

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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