Cheapest return flights from Chicago to Brussels in December from $434
AirHint found the following cheapest return flights from Chicago (ORD) to Brussels (BRU)
in December 2025 (see full year ).
Return flights
07 Dec
- 14 Dec
Scandinavian Airlines
$ 434
03 Dec
- 10 Dec
TAP
$ 457
01 Dec
- 05 Dec
Scandinavian Airlines
$ 457
05 Dec
- 12 Dec
Scandinavian Airlines
$ 477
01 Dec
- 08 Dec
Scandinavian Airlines
$ 491
08 Dec
- 15 Dec
Scandinavian Airlines
$ 507
26 Dec
- 17 Jan
Scandinavian Airlines
$ 514
06 Dec
- 13 Dec
Scandinavian Airlines
$ 557
15 Dec
- 19 Jan
Aer Lingus
$ 594
31 Dec
- 07 Jan
Scandinavian Airlines
$ 600
13 Dec
- 19 Jan
Aer Lingus
$ 614
03 Dec
- 27 Dec
TAP
$ 670
17 Dec
- 07 Jan
Aer Lingus
$ 709
14 Dec
- 24 Dec
TAP
$ 714
13 Dec
- 18 Dec
Aer Lingus
$ 770
18 Dec
- 10 Jan
Aer Lingus
$ 791
28 Dec
- 04 Jan
Scandinavian Airlines
$ 1056
22 Dec
- 01 Jan
Spirit Airlines
$ 1101
29 Dec
- 05 Jan
Scandinavian Airlines
$ 1104
19 Dec
- 05 Jan
Air Canada
$ 1136
Also check the deals for one-way flights from Chicago to Brussels in December .
Powered by
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media