Cheapest return flights from Chicago to Brussels in May from $810

Best time to book flights for Chicago (MDW) to Brussels (BRU) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to Brussels (BRU) in May 2025 (see full year).

Return flights

05 May - 12 May Frontier Airlines
23 May - 30 May Porter Airlines (Canada) Ltd
21 May - 11 Jun Delta
28 May - 04 Jun Porter Airlines (Canada) Ltd
04 May - 13 May Delta
18 May - 25 May Delta
04 May - 11 May Delta
04 May - 18 May Delta
07 May - 13 May Delta
26 May - 29 May Delta

Also check the deals for one-way flights from Chicago to Brussels in May.

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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