Cheapest return flights from London to Basel in December from $125

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

Return flights

03 Dec - 05 Dec British Airways direct
13 Dec - 17 Dec British Airways direct
02 Dec - 05 Dec British Airways direct
11 Dec - 12 Dec British Airways direct
11 Dec - 15 Dec British Airways direct
06 Dec - 07 Dec British Airways direct
11 Dec - 14 Dec British Airways direct
06 Dec - 09 Dec British Airways direct
13 Dec - 16 Dec British Airways direct
14 Dec - 15 Dec British Airways direct
09 Dec - 15 Jan British Airways direct
31 Dec - 04 Jan British Airways direct
24 Dec - 04 Jan British Airways direct
31 Dec - 02 Jan British Airways direct
22 Dec - 06 Jan British Airways direct
29 Dec - 02 Jan Lufthansa
30 Dec - 05 Jan KLM
28 Dec - 03 Jan Lufthansa
26 Dec - 04 Jan British Airways direct
28 Dec - 03 Jan British Airways direct

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

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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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