Cheapest one-way flights from Denver to Houston in October from $40

AirHint found the following cheapest one-way flights from Denver (DEN) to Houston (IAH) in October 2025 (see full year).

One-Way flights

18 Oct Frontier Airlines direct
29 Oct Frontier Airlines direct
04 Oct Frontier Airlines direct
11 Oct Frontier Airlines direct
28 Oct Frontier Airlines direct
15 Oct Frontier Airlines direct
22 Oct Frontier Airlines direct
03 Oct Frontier Airlines direct
23 Oct Frontier Airlines direct
27 Oct Frontier Airlines direct

Also check the deals for return flights from Denver to Houston in October.

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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