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

Return flights

05 Dec - 09 Dec	Wizz Air
10 Dec - 14 Dec	Wizz Air
03 Dec - 07 Dec	Wizz Air
15 Dec - 14 Jan	Wizz Air
12 Dec - 15 Dec	Wizz Air
17 Dec - 26 Dec	Wizz Air
08 Dec - 12 Dec	Wizz Air
12 Dec - 14 Dec	Wizz Air
18 Dec - 26 Dec	easyJet
15 Dec - 22 Dec	Wizz Air
11 Dec - 14 Dec	easyJet
26 Dec - 01 Jan	Wizz Air
29 Dec - 04 Jan	Wizz Air
27 Dec - 03 Jan	Wizz Air
26 Dec - 04 Jan	Wizz Air
27 Dec - 04 Jan	Wizz Air
30 Dec - 02 Jan	Wizz Air
29 Dec - 02 Jan	Wizz Air
27 Dec - 02 Jan	easyJet

Also check the deals for one-way flights from Basel 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 Basel to Oslo in December from 85€

Return flights