Cheapest return flights from Houston to Denver in January from $54

AirHint found the following cheapest return flights from Houston (IAH) to Denver (DEN) in January 2026 (see full year).

Return flights

10 Jan - 14 Jan Frontier Airlines direct
26 Jan - 28 Jan Frontier Airlines direct
24 Jan - 26 Jan Frontier Airlines direct
10 Jan - 13 Jan Frontier Airlines direct
23 Jan - 27 Jan Frontier Airlines direct
20 Jan - 22 Jan Frontier Airlines direct
28 Jan - 01 Feb Frontier Airlines direct
12 Jan - 15 Jan Frontier Airlines direct
23 Jan - 26 Jan Frontier Airlines direct
30 Jan - 01 Feb Frontier Airlines direct
26 Jan - 23 Feb Frontier Airlines direct
09 Jan - 12 Jan Frontier Airlines direct
10 Jan - 11 Jan Frontier Airlines direct
28 Jan - 02 Feb United direct

Also check the deals for one-way flights from Houston to Denver in January.

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