AirHint found the following cheapest return flights from Houston (IAH) to Brussels (BRU) in August 2025 (see full year).

Return flights

03 Aug - 19 Aug	Air Canada
13 Aug - 19 Aug	Air Canada
09 Aug - 25 Aug	Air Canada
25 Aug - 02 Sep	Turkish Airlines
21 Aug - 28 Aug	Turkish Airlines
25 Aug - 01 Sep	Spirit Airlines
10 Aug - 17 Aug	Spirit Airlines
01 Aug - 16 Aug	Frontier Airlines
28 Aug - 13 Sep	Air Canada
01 Aug - 15 Aug	Spirit Airlines
08 Aug - 12 Aug	Spirit Airlines
08 Aug - 11 Aug	Frontier Airlines
09 Aug - 16 Aug	United

Also check the deals for one-way flights from Houston to Brussels in August.

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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Cheapest return flights from Houston to Brussels in August from 495€

Return flights