AirHint found the following cheapest one-way flights from Barcelona (BCN) to Oslo (OSL) in August 2026 (see full year).

One-Way flights

21 Aug	Norwegian Air Sweden AOC	direct
24 Aug	Norwegian Air Sweden AOC	direct
30 Aug	Norwegian	direct
05 Aug	Finnair
17 Aug	Norwegian Air Sweden AOC	direct
12 Aug	Norwegian	direct
13 Aug	Norwegian Air Sweden AOC	direct
05 Aug	Norwegian Air Sweden AOC	direct
09 Aug	Norwegian	direct
01 Aug	Norwegian Air Sweden AOC	direct

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

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 August from 51€

One-Way flights