AirHint found the following cheapest return flights from Des Moines (DSM) to Houston (HOU) in July 2025 (see full year).

Return flights

17 Jul - 24 Jul	Allegiant Air	direct
20 Jul - 25 Jul	Allegiant Air
17 Jul - 03 Aug	Allegiant Air	direct
21 Jul - 25 Jul	Allegiant Air
27 Jul - 07 Aug	Allegiant Air	direct
20 Jul - 26 Jul	Allegiant Air
27 Jul - 03 Aug	Allegiant Air	direct
22 Jul - 26 Jul	American Airlines
22 Jul - 26 Jul	United	direct
20 Jul - 26 Jul	United	direct
12 Jul - 19 Jul	United	direct
15 Jul - 31 Jul	United	direct
16 Jul - 31 Jul	American Airlines

Also check the deals for one-way flights from Des Moines to Houston in July.

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 Des Moines to Houston in July from $114

Return flights