Cheapest return flights from Bilbao to Oslo in September from $169

Best time to book flights for Bilbao (BIO) to Oslo (OSL) flights at AirHint

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

Return flights

23 Sep - 01 Oct Vueling Airlines
24 Sep - 08 Oct Vueling Airlines
24 Sep - 11 Oct Vueling Airlines
10 Sep - 17 Sep Vueling Airlines
10 Sep - 22 Sep Vueling Airlines
17 Sep - 01 Oct Vueling Airlines
27 Sep - 08 Oct Vueling Airlines
27 Sep - 15 Oct Vueling Airlines
27 Sep - 11 Oct Vueling Airlines
17 Sep - 22 Sep KLM
10 Sep - 15 Sep Vueling Airlines
03 Sep - 09 Sep Vueling Airlines
13 Sep - 21 Sep Vueling Airlines
03 Sep - 17 Sep Vueling Airlines
19 Sep - 21 Sep Scandinavian Airlines
03 Sep - 22 Sep Vueling Airlines
27 Sep - 01 Oct Vueling Airlines
03 Sep - 15 Sep Vueling Airlines
27 Sep - 06 Oct Vueling Airlines
15 Sep - 01 Oct Vueling Airlines

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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