Cheap Flights from Houston to Denver
Route details, airline options and booking tips for flying from Houston, Texas to Denver, Colorado.
Fares and availability are provided by participating airlines and subject to change.
Houston to Denver Route Overview
Flights from Houston to Denver typically depart from George Bush Intercontinental Airport (IAH) and arrive at Denver International Airport (DEN). United Airlines and Southwest Airlines both have a presence at both ends of this route, which is a good starting point when comparing nonstop options.
Whether this route runs nonstop depends on the specific airline and season — some carriers fly it directly while others route connections through a hub. Search current schedules above for exact options on your travel dates.
Route Snapshot
| Origin airport | George Bush Intercontinental Airport (IAH) |
|---|---|
| Destination airport | Denver International Airport (DEN) |
| Trip types | One-way and round-trip |
| Airlines to compare | United Airlines, Southwest Airlines, Delta Air Lines, Frontier Airlines |
Booking Tips for This Route
- Compare nonstop and one-stop options — a connection is sometimes meaningfully cheaper than a direct flight on the same city pair.
- Check HOU as alternate departure points from the Houston area.
- Review fare rules before booking — basic economy fares are usually the cheapest but come with more restrictions.
FAQ: Houston to Denver Flights
Is there a nonstop flight from Houston to Denver?
Nonstop availability on the Houston to Denver route depends on the specific airline and season, so it's worth checking current schedules above rather than assuming either way.
What airport should I search for Denver?
Search DEN (Denver International Airport), and consider COS as alternates depending on where in Denver you're headed.
Search Houston to Denver fares
Compare current options across the airlines that serve this route.