Cheapest return flights from Bilbao to Oslo in September from 143€

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

13 Sep - 15 Sep Vueling Airlines
24 Sep - 27 Sep Vueling Airlines
17 Sep - 20 Sep Vueling Airlines
12 Sep - 14 Sep Vueling Airlines
22 Sep - 27 Sep Vueling Airlines
20 Sep - 04 Oct Vueling Airlines
13 Sep - 20 Sep Vueling Airlines
01 Sep - 12 Sep Volotea
17 Sep - 04 Oct Vueling Airlines
22 Sep - 11 Oct Vueling Airlines
20 Sep - 11 Oct Vueling Airlines
17 Sep - 20 Sep Norwegian direct
13 Sep - 04 Oct Vueling Airlines
22 Sep - 04 Oct Vueling Airlines
17 Sep - 04 Oct Norwegian direct
20 Sep - 11 Oct Norwegian direct
13 Sep - 27 Sep Vueling Airlines
17 Sep - 27 Sep Vueling Airlines
20 Sep - 04 Oct Norwegian direct
13 Sep - 04 Oct Norwegian direct

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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