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

Return flights

12 Dec - 15 Dec	easyJet	direct
05 Dec - 08 Dec	easyJet	direct
12 Dec - 14 Dec	easyJet
11 Dec - 15 Dec	KLM	direct
04 Dec - 08 Dec	KLM	direct
01 Dec - 04 Dec	easyJet
01 Dec - 04 Dec	easyJet	direct
08 Dec - 11 Dec	easyJet
02 Dec - 05 Dec	KLM	direct
08 Dec - 11 Dec	easyJet	direct
29 Dec - 01 Jan	KLM	direct

Also check the deals for one-way flights from Southampton to Amsterdam 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 Southampton to Amsterdam in December from 111€

Return flights