Cheapest return flights from Oslo to Sofia in September from 105€

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

Return flights

21 Sep - 25 Sep Norwegian direct
28 Sep - 16 Oct Norwegian direct
28 Sep - 02 Oct Norwegian direct
28 Sep - 09 Oct Norwegian direct
25 Sep - 02 Oct Wizz Air
25 Sep - 09 Oct Wizz Air
21 Sep - 09 Oct Norwegian direct
21 Sep - 02 Oct Norwegian direct
28 Sep - 12 Oct Norwegian direct
30 Sep - 04 Oct LOT
25 Sep - 29 Sep Wizz Air
25 Sep - 02 Oct Norwegian direct
25 Sep - 28 Sep Ryanair
21 Sep - 28 Sep Norwegian direct
15 Sep - 17 Sep easyJet
25 Sep - 28 Sep Norwegian direct
19 Sep - 22 Sep Air Serbia
18 Sep - 21 Sep Ryanair
18 Sep - 25 Sep Norwegian direct
19 Sep - 21 Sep Air Serbia

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