Cheapest return flights from Billund to Oslo in September from $119

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

Return flights

03 Sep - 08 Sep Wizz Air
21 Sep - 22 Sep Norwegian direct
21 Sep - 23 Sep Norwegian direct
21 Sep - 24 Sep Norwegian direct
21 Sep - 30 Sep Norwegian direct
14 Sep - 15 Sep Norwegian direct
14 Sep - 16 Sep Norwegian direct
14 Sep - 17 Sep Norwegian direct
14 Sep - 20 Sep Norwegian direct
14 Sep - 22 Sep Norwegian direct
21 Sep - 01 Oct Norwegian direct
21 Sep - 03 Oct Norwegian direct
21 Sep - 06 Oct Norwegian direct
21 Sep - 07 Oct Norwegian direct
21 Sep - 08 Oct Norwegian direct
21 Sep - 10 Oct Norwegian direct
21 Sep - 11 Oct Norwegian direct
14 Sep - 01 Oct Norwegian direct
14 Sep - 03 Oct Norwegian direct
12 Sep - 01 Oct Norwegian direct

Also check the deals for one-way flights from Billund 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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