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

Return flights

11 Dec - 13 Dec	Ryanair	direct
11 Dec - 12 Dec	Ryanair	direct
08 Dec - 11 Dec	Ryanair	direct
03 Dec - 05 Dec	Vueling Airlines
02 Dec - 05 Dec	Vueling Airlines
04 Dec - 11 Dec	Ryanair
05 Dec - 11 Dec	Ryanair	direct
03 Dec - 10 Dec	Lufthansa
15 Dec - 22 Dec	Lufthansa
04 Dec - 06 Dec	Lufthansa
27 Dec - 05 Jan	Ryanair
22 Dec - 03 Jan	KLM
27 Dec - 05 Jan	Ryanair	direct
22 Dec - 03 Jan	Ryanair	direct

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.

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Cheapest return flights from Dublin to Basel in December from 77€

Return flights