Cheapest return flights from Denver to Houston in January from $56

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

Return flights

17 Jan - 19 Jan Frontier Airlines direct
17 Jan - 18 Jan Frontier Airlines direct
13 Jan - 21 Jan Frontier Airlines direct
10 Jan - 11 Jan Frontier Airlines direct
16 Jan - 19 Jan Frontier Airlines direct
23 Jan - 26 Jan Frontier Airlines direct
24 Jan - 01 Feb Frontier Airlines direct
31 Jan - 05 Feb Frontier Airlines direct
02 Jan - 09 Jan Frontier Airlines direct
02 Jan - 04 Jan Frontier Airlines direct

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

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