Cheapest return flights from London to Brussels in December from $123

AirHint found the following cheapest return flights from London (LON) to Brussels (BRU) in December 2025 (see full year).

Return flights

15 Dec - 18 Dec British Airways direct
11 Dec - 18 Dec British Airways direct
06 Dec - 06 Dec British Airways direct
03 Dec - 06 Dec British Airways direct
10 Dec - 13 Dec British Airways direct
03 Dec - 09 Jan British Airways direct
10 Dec - 14 Dec British Airways direct
14 Dec - 18 Dec British Airways direct
12 Dec - 14 Dec British Airways direct
13 Dec - 13 Dec British Airways direct
06 Dec - 07 Dec British Airways direct
24 Dec - 03 Jan British Airways direct
30 Dec - 01 Jan Brussels Airlines direct
29 Dec - 01 Jan Vueling Airlines
29 Dec - 01 Jan Brussels Airlines direct

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

Skyscanner

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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