Cheapest return flights from Oslo to Sofia in December from 173€

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

Return flights

26 Dec - 17 Jan Austrian Airlines
15 Dec - 26 Dec Air Serbia

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

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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