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

Return flights

11 Dec - 18 Dec	Austrian Airlines
15 Dec - 22 Dec	Austrian Airlines
16 Dec - 23 Dec	Austrian Airlines
14 Dec - 21 Dec	Austrian Airlines
13 Dec - 20 Dec	Austrian Airlines
12 Dec - 19 Dec	Austrian Airlines
17 Dec - 24 Dec	Austrian Airlines

Also check the deals for one-way flights from Innsbruck 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.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Cheapest return flights from Innsbruck to Brussels in December from $235

Return flights