Cheapest return flights from Sofia to Oslo in September from $116

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

Return flights

25 Sep - 09 Oct Norwegian direct
25 Sep - 12 Oct Norwegian direct
25 Sep - 05 Oct Norwegian direct
25 Sep - 28 Sep Norwegian direct
25 Sep - 16 Oct Norwegian direct
18 Sep - 09 Oct Norwegian direct
18 Sep - 05 Oct Norwegian direct
28 Sep - 09 Oct Norwegian direct
28 Sep - 12 Oct Norwegian direct
28 Sep - 05 Oct Norwegian direct
28 Sep - 19 Oct Norwegian direct
18 Sep - 28 Sep Norwegian direct
18 Sep - 21 Sep Norwegian direct
18 Sep - 22 Sep Norwegian
22 Sep - 24 Sep Wizz Air
22 Sep - 25 Sep Ryanair
24 Sep - 27 Sep LOT
20 Sep - 23 Sep Pegasus Airlines
21 Sep - 28 Sep Norwegian direct
21 Sep - 28 Sep Pegasus Airlines

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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