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

Return flights

05 Dec - 08 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
06 Dec - 07 Dec	Ryanair
07 Dec - 08 Dec	Wizz Air
13 Dec - 15 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
04 Dec - 05 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
07 Dec - 14 Dec	Wizz Air
19 Dec - 04 Jan	Wizz Air
29 Dec - 04 Jan	Wizz Air
30 Dec - 02 Jan	Ryanair
27 Dec - 04 Jan	Ryanair

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

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 Warsaw to Oslo in December from 177€

Return flights