AirHint found the following cheapest one-way flights from Barcelona (BCN) to Oslo (OSL) in December 2025 (see full year).

One-Way flights

11 Dec	Vueling Airlines	direct
16 Dec	Norwegian	direct
18 Dec	Norwegian	direct
12 Dec	Norwegian	direct
15 Dec	Norwegian	direct
19 Dec	Norwegian	direct
13 Dec	Vueling Airlines
20 Dec	Norwegian	direct
21 Dec	Vueling Airlines	direct
14 Dec	Vueling Airlines	direct

Also check the deals for return flights from Barcelona to Oslo in December.

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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Cheapest one-way flights from Barcelona to Oslo in December from $39

One-Way flights