Cheapest return flights from Oslo to Sofia in September from 118€

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

Return flights

07 Sep - 25 Sep Norwegian direct
21 Sep - 25 Sep Norwegian direct
21 Sep - 28 Sep Norwegian direct
21 Sep - 09 Oct Norwegian direct
21 Sep - 02 Oct Norwegian direct
25 Sep - 28 Sep Ryanair
07 Sep - 19 Sep Norwegian
07 Sep - 18 Sep Norwegian direct
18 Sep - 28 Sep Norwegian direct
11 Sep - 28 Sep Norwegian direct
18 Sep - 25 Sep Norwegian direct
11 Sep - 25 Sep Norwegian direct
18 Sep - 02 Oct Norwegian direct
28 Sep - 09 Oct Norwegian direct
28 Sep - 02 Oct Norwegian direct
28 Sep - 16 Oct Norwegian direct
21 Sep - 05 Oct Norwegian direct
25 Sep - 09 Oct Norwegian direct
25 Sep - 02 Oct Norwegian direct
28 Sep - 12 Oct Norwegian direct

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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