Is there a train to Houston?

Amtrak does not provide direct service from Denver to Houston.

How long is the flight?

The flight duration is approximately 2 hours and 30 minutes.

What is the best highway route?

I-25 South to I-10 East is the most direct driving route.

Are there direct flights?

Yes, United Airlines operates direct flights from DEN to IAH.

Is it safe to drive alone?

Yes, but ensure your vehicle is serviced and you have a reliable GPS.

Littleton

Houston

Flight Driving

Littleton to Houston

Updated: 30 May 2026

The journey from Littleton to Houston covers approximately 1,650 kilometers by road. Most travelers prefer a flight from Denver International Airport to George Bush Intercontinental Airport. Driving involves taking I-25 South to I-10 East through New Mexico and Texas. The drive typically takes 16 hours of pure transit time. You will cross the high plains of Colorado before descending into the humid Gulf Coast region.

Total Distance: 1,650 km driving, 1,450 km air distance.

Fastest Way

Flight from Denver International Airport takes 2.5 hours in the air.

Cheapest Way

Driving is the cheapest for groups of three or more people sharing fuel costs.

Compare Littleton to Houston Routes

	Flight Direct	Driving Direct
Duration	2 hours 30 mins	16 hours
Avg Price	$150-$350	$200-$300 in fuel
Operator	United Airlines	Personal Vehicle
Route	DEN to IAH	I-25 S to I-10 E
Tip	Book your flight at least three weeks in advance to secure lower fares.	Stop in San Antonio to break up the long drive through West Texas.

Travel Tips

Airport Transit
Use the A-Line train from Littleton to reach Denver International Airport efficiently.
Traffic Awareness
Avoid Houston highways during rush hours between 7 AM and 9 AM or 4 PM and 6 PM.
Hydration
Carry extra water if driving through the arid stretches of West Texas.
Toll Roads
Houston has many toll roads; ensure your rental car has a toll tag or pay online.
Weather Prep
Pack an umbrella as Houston experiences sudden, heavy rain showers throughout the year.

Safety Tips

Driving Fatigue
Switch drivers every four hours if attempting the drive in one go.
Vehicle Check
Check tire pressure before leaving Colorado, as the temperature change can affect inflation.
Emergency Kit
Keep a roadside emergency kit with jumper cables and a flashlight in your trunk.
Navigation
Download offline maps for the remote stretches of West Texas where cell service is spotty.