Cheapest one-way flights from Houston to Denver in April from $61

AirHint found the following cheapest one-way flights from Houston (IAH) to Denver (DEN) in April 2026 (see full year).

One-Way flights

09 Apr Frontier Airlines direct
02 Apr Frontier Airlines direct
10 Apr Frontier Airlines direct
12 Apr Frontier Airlines
12 Apr Frontier Airlines direct
15 Apr United direct
30 Apr United direct

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

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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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