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

Return flights

08 Dec - 11 Dec	Ryanair	direct
08 Dec - 12 Dec	Ryanair	direct
01 Dec - 12 Dec	Ryanair	direct
03 Dec - 06 Dec	Lufthansa
11 Dec - 12 Dec	Ryanair	direct
01 Dec - 06 Dec	Ryanair	direct
01 Dec - 05 Dec	Ryanair	direct
09 Dec - 12 Dec	Vueling Airlines
11 Dec - 20 Dec	Lufthansa
05 Dec - 08 Dec	KLM
29 Dec - 02 Jan	KLM

Also check the deals for one-way flights from Dublin to Basel 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 Basel

Cheap car rent in Basel

Cheapest return flights from Dublin to Basel in December from $124

Return flights