Cheapest return flights from Oslo to Barcelona in September from 109€

AirHint found the following cheapest return flights from Oslo (OSL) to Barcelona (BCN) in September 2026 (see full year).

Return flights

06 Sep - 11 Sep Norwegian Air Sweden AOC direct
08 Sep - 11 Sep Norwegian Air Sweden AOC direct
04 Sep - 11 Sep Norwegian Air Sweden AOC direct
06 Sep - 21 Sep Norwegian Air Sweden AOC
18 Sep - 21 Sep Lufthansa
06 Sep - 21 Sep Norwegian Air Sweden AOC direct
08 Sep - 21 Sep Norwegian Air Sweden AOC
08 Sep - 21 Sep Norwegian Air Sweden AOC direct
04 Sep - 21 Sep Norwegian Air Sweden AOC
18 Sep - 21 Sep Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Oslo to Barcelona in September.

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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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