The journey from Galveston to Denver spans approximately 1,750 kilometers via I-45 North and I-25 North. Most travelers drive to George Bush Intercontinental Airport in Houston for a direct flight to Denver International Airport. Driving takes roughly 17 hours of pure road time, passing through Dallas and Amarillo. The route transitions from the humid Gulf Coast to the high-altitude Rocky Mountains. Expect significant elevation changes as you approach the Front Range.
Total Distance: 1,750 km driving, 1,520 km air distance.
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Direct
|
Direct
|
|
|---|---|---|
| Duration | 3 hours | 17 hours |
| Avg Price | $150 - $400 | $200 - $350 in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | IAH to DEN | I-45 N to US-287 N to I-25 N |
| Tip | Book flights departing from IAH rather than HOU for more direct options to Denver. | Stop in Amarillo to break up the long drive across the Texas Panhandle. |
September to October for mild weather and avoiding peak ski traffic.