Cheapest return flights from Bilbao to Oslo in September from 131€

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

Return flights

06 Sep - 13 Sep Norwegian
17 Sep - 20 Sep Vueling Airlines
06 Sep - 10 Sep Vueling Airlines
19 Sep - 21 Sep Scandinavian Airlines
18 Sep - 21 Sep Vueling Airlines
13 Sep - 21 Sep Vueling Airlines
13 Sep - 20 Sep Vueling Airlines
25 Sep - 28 Sep Vueling Airlines
03 Sep - 20 Sep Norwegian
06 Sep - 20 Sep 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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