Cheapest return flights from Sofia to Oslo in September from 90€

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

Return flights

11 Sep - 14 Sep Norwegian direct
25 Sep - 12 Oct Norwegian direct
25 Sep - 05 Oct Norwegian direct
04 Sep - 14 Sep Norwegian direct
18 Sep - 05 Oct Norwegian direct
11 Sep - 21 Sep Norwegian direct
25 Sep - 16 Oct Norwegian direct
04 Sep - 07 Sep Norwegian
04 Sep - 07 Sep Norwegian direct
18 Sep - 22 Sep Norwegian
24 Sep - 30 Sep Ryanair
12 Sep - 14 Sep Ryanair
12 Sep - 16 Sep Ryanair
25 Sep - 02 Oct Norwegian direct
25 Sep - 09 Oct Norwegian direct
11 Sep - 18 Sep Norwegian direct
11 Sep - 02 Oct Norwegian direct
29 Sep - 02 Oct Wizz Air
18 Sep - 02 Oct Norwegian direct
18 Sep - 09 Oct Norwegian direct

Also check the deals for one-way flights from Sofia 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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