Cheapest return flights from London (LHR) to Brussels (BRU), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Dec 30 Jan Brussels Airlines
Direct Flight
01 Dec 08 Dec Brussels Airlines
Direct Flight
28 Dec 30 Dec Brussels Airlines
Direct Flight
28 Dec 01 Jan Brussels Airlines
Direct Flight
15 Dec 22 Dec Brussels Airlines
Direct Flight
15 Dec 16 Dec Brussels Airlines
Direct Flight
03 Dec 05 Dec Brussels Airlines
Direct Flight
10 Dec 14 Dec Brussels Airlines
Direct Flight
27 Dec 30 Dec Brussels Airlines
Direct Flight
26 Dec 30 Dec Brussels Airlines
Direct Flight
07 Dec 09 Dec Brussels Airlines
Direct Flight
11 Dec 14 Dec Brussels Airlines
Direct Flight
30 Dec 01 Jan Brussels Airlines
Direct Flight
29 Dec 02 Jan Brussels Airlines
Direct Flight
28 Dec 02 Jan Brussels Airlines
Direct Flight
31 Dec 03 Jan British Airways
Direct Flight
27 Dec 03 Jan Brussels Airlines
Direct Flight
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deals for one-way flights from London to Brussels in December.

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Updated Jul 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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