Flights from Denver to Houston

3 airlines fly nonstop from Denver to Houston.

Distance: 879 mi
Nonstop flight: Varies
Time difference: +1h
Nonstop airlines: 3

Fares from Denver to Houston

Checking today’s fares with the airlines.

Nonstop flights

Airline	From	To
Frontier Airlines	DEN Denver International Airport	HOU William P. Hobby Airport
Frontier Airlines	DEN Denver International Airport	IAH George Bush Intercontinental Airport
Southwest Airlines	DEN Denver International Airport	HOU William P. Hobby Airport
United Airlines	DEN Denver International Airport	IAH George Bush Intercontinental Airport

Nonstop service as of October 2026. Airlines change schedules seasonally.

Getting from the airport into Houston

IAH

George Bush Intercontinental Airport

23 miles (37 km) from the city centre. 48.4 million passengers in 2024

How	Route	Cost
Bus	METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center	$4.50 one way
Bus	METRO Route 102 Bush IAH Express via Greenspoint and I-45	$1.25 (local fare)

HOU

William P. Hobby Airport

7 miles (11 km) from the city centre. 14.6 million passengers in 2024

How	Route	Cost
Bus	METRO bus 40 to downtown	$1.25 (local fare)

Before you go

No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.

Houston is 1 hour ahead of Denver. Houston uses the US dollar (USD).

Read the Houston guide: when to go, weather, airports and tips

Frequently asked questions

How long is the flight from Denver to Houston?

Nonstop flight times vary by airline and season; flights with a connection take longer.

Which airlines fly nonstop from Denver to Houston?

As of October 2026, Frontier Airlines, Southwest Airlines and United Airlines fly this route nonstop.

Which airports do nonstop flights use?

Nonstop flights leave from Denver International Airport (DEN) and arrive at William P. Hobby Airport (HOU) and George Bush Intercontinental Airport (IAH).

How far is Houston from Denver?

About 879 miles (1,414 km), measured between the city centres.

What is the time difference?

Houston is 1 hour ahead of Denver.

What ID do I need to fly to Houston?

No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.

How do I get from William P. Hobby Airport into Houston?

METRO bus 40 to downtown, $1.25 (local fare).

Sources

Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.