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

Return flights

10 Dec - 14 Dec	easyJet	direct
17 Dec - 26 Dec	easyJet	direct
29 Dec - 02 Jan	easyJet	direct
26 Dec - 29 Dec	easyJet	direct
31 Dec - 01 Jan	easyJet	direct
31 Dec - 02 Jan	easyJet	direct
12 Dec - 13 Dec	easyJet
24 Dec - 28 Dec	KLM	direct
19 Dec - 22 Dec	easyJet	direct
19 Dec - 23 Dec	easyJet	direct
20 Dec - 04 Jan	KLM	direct
30 Dec - 03 Jan	easyJet
30 Dec - 03 Jan	easyJet	direct
20 Dec - 24 Dec	KLM	direct
12 Dec - 13 Dec	KLM	direct

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Basel in December from $146

Return flights