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

Return flights

22 Dec - 26 Dec	easyJet	direct
12 Dec - 28 Dec	easyJet	direct
07 Dec - 14 Dec	easyJet	direct
03 Dec - 07 Dec	Wizz Air Malta
14 Dec - 30 Dec	easyJet
29 Dec - 02 Jan	easyJet	direct
29 Dec - 01 Jan	easyJet	direct
28 Dec - 01 Jan	easyJet	direct
28 Dec - 02 Jan	easyJet	direct
24 Dec - 28 Dec	easyJet
26 Dec - 30 Dec	easyJet
26 Dec - 31 Dec	easyJet
30 Dec - 03 Jan	easyJet
20 Dec - 27 Dec	easyJet
27 Dec - 30 Dec	Air France

Also check the deals for one-way flights from Basel to London 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 Basel to London in December from 120€

Return flights