Direct flights from Denver to Houston DEN → IAH

Frontier Airlines and United Airlines operate nonstop flights from Denver (DEN) to Houston (IAH). The nonstop flight takes around ~1h 44m, covering 862 miles (1,387 km) and operates multiple daily. Updated 25 June 2026.

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Frontier Airlines F9 United Airlines UA

Departure Schedule next 7 days

More nonstops from Denver

DEN → SLC Salt Lake City 7 airlines DEN → ORD Chicago 6 airlines DEN → SEA Seattle 6 airlines DEN → CVG Cincinnati 5 airlines DEN → LAX Los Angeles 5 airlines DEN → MSP Minneapolis 5 airlines DEN → ATL Atlanta 4 airlines DEN → AUS Austin 4 airlines

Frequently asked questions

Is there a direct flight from Denver to Houston?

Yes, Frontier Airlines and United Airlines operate nonstop flights from Denver (DEN) to Houston (IAH).

Which airlines fly direct from Denver to Houston?

Frontier Airlines, United Airlines operate nonstop flights from Denver to Houston.

How long is the flight from Denver to Houston?

The nonstop flight from Denver to Houston takes ~1h 44m (approximately 1387 km).

How often do direct flights operate from Denver to Houston?

Nonstop flights from Denver to Houston operate multiple daily.

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Cheap direct deals from Denver — last one was $88 to Salt Lake City