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

Return flights

02 Oct - 12 Oct	Norwegian	direct
02 Oct - 05 Oct	Norwegian	direct
24 Oct - 28 Oct	Wizz Air
02 Oct - 19 Oct	Norwegian	direct
09 Oct - 19 Oct	Norwegian	direct
09 Oct - 15 Oct	Norwegian
15 Oct - 19 Oct	Wizz Air
02 Oct - 23 Oct	Norwegian	direct
09 Oct - 23 Oct	Norwegian	direct
14 Oct - 19 Oct	Wizz Air
31 Oct - 30 Nov	Air Serbia
26 Oct - 16 Nov	Ryanair

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

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Sofia to Oslo in October from 88€

Return flights