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

Return flights

07 Dec - 09 Dec	easyJet	direct
01 Dec - 04 Dec	easyJet	direct
06 Dec - 08 Dec	easyJet	direct
04 Dec - 07 Dec	easyJet	direct
11 Dec - 14 Dec	easyJet	direct
18 Dec - 21 Dec	easyJet	direct
13 Dec - 14 Dec	easyJet	direct
06 Dec - 07 Dec	easyJet	direct
03 Dec - 10 Dec	Wizz Air Malta
08 Dec - 14 Dec	easyJet	direct
11 Dec - 06 Jan	easyJet
28 Dec - 02 Jan	Wizz Air
29 Dec - 04 Jan	Wizz Air Malta
30 Dec - 02 Jan	Wizz Air
29 Dec - 02 Jan	Wizz Air Malta
29 Dec - 03 Jan	easyJet
27 Dec - 03 Jan	easyJet

Also check the deals for one-way flights from London 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 London to Basel in December from 65€

Return flights