Cheapest return flights from Sofia to Oslo in September from 95€

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

Return flights

11 Sep - 21 Sep Norwegian direct
25 Sep - 12 Oct Norwegian direct
25 Sep - 05 Oct Norwegian direct
28 Sep - 02 Oct Norwegian
04 Sep - 07 Sep Norwegian direct
11 Sep - 14 Sep Norwegian direct
11 Sep - 02 Oct Norwegian direct
04 Sep - 21 Sep Norwegian direct
28 Sep - 01 Oct Norwegian
25 Sep - 02 Oct Norwegian direct
28 Sep - 19 Oct Norwegian direct
11 Sep - 18 Sep Norwegian
25 Sep - 28 Sep Norwegian
18 Sep - 21 Sep Air Serbia
04 Sep - 14 Sep Norwegian direct
04 Sep - 09 Sep Norwegian
28 Sep - 02 Oct Norwegian direct
01 Sep - 04 Sep Wizz Air
25 Sep - 09 Oct Norwegian direct
27 Sep - 01 Oct Air Serbia

Also check the deals for one-way flights from Sofia to Oslo 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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