Cheapest return flights from London to Brussels in December from 224€
AirHint found the following cheapest return flights from London (LCY) to Brussels (BRU) in December 2025 (see full year).
Return flights
| 05 Dec - 07 Dec | SWISS | ||
| 26 Dec - 30 Dec | SWISS | ||
| 06 Dec - 09 Dec | ITA Airways | ||
| 26 Dec - 03 Jan | KLM |
Also check the deals for one-way flights from London to Brussels 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.
