Cheapest return flights from Denver to Houston in March from $133

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

Return flights

02 Mar - 04 Mar Frontier Airlines direct
06 Mar - 09 Mar Frontier Airlines direct
18 Mar - 24 Mar Frontier Airlines direct
16 Mar - 19 Mar Frontier Airlines direct
16 Mar - 22 Mar Frontier Airlines direct
20 Mar - 22 Mar Frontier Airlines direct

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

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