Wayfli › Houston (IAH) › To Denver (DEN)
Houston (IAH) to Denver (DEN) flights
There are direct flights from George Bush Intercontinental Houston Airport to Denver International Airport, sold by 2 airlines (including codeshares): Frontier Airlines and United Airlines. The distance is 1,388 km, about 2h 10m in the air. There are also 15 one-stop options, via airports such as Dallas-Fort Worth, Austin and Dallas.
Live fares for IAH → DENSee all routes on the map1,388 kmdistance
~2h 10mdirect flight time (estimate)
2direct airlines
15one-stop options
Direct flights from Houston to Denver
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| IAH → DEN | Frontier Airlines, United Airlines | 1,388 km | ~2h 10m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| DFW Dallas-Fort Worth | American Airlines and United Airlines then American Airlines and Frontier Airlines | 1,394 km | ~4h 20m |
| AUS Austin | United Airlines then Frontier Airlines and United Airlines | 1,474 km | ~4h 30m |
| DAL Dallas | United Airlines then Southwest Airlines | 1,397 km | ~4h 20m |
| SAT San Antonio | United Airlines then United Airlines and Southwest Airlines | 1,586 km | ~4h 35m |
| ABQ Albuquerque | United Airlines then United Airlines and Southwest Airlines | 1,758 km | ~4h 50m |
| OKC Oklahoma City | United Airlines then Frontier Airlines and United Airlines | 1,434 km | ~4h 25m |
| TUL Tulsa | United Airlines then United Airlines and Southwest Airlines | 1,563 km | ~4h 35m |
| XNA Bentonville | United Airlines then United Airlines | 1,697 km | ~4h 45m |
| COS Colorado Springs | United Airlines then United Airlines | 1,420 km | ~4h 25m |
| ICT Wichita | United Airlines then United Airlines | 1,548 km | ~4h 35m |
| LBB Lubbock | United Airlines then United Airlines | 1,471 km | ~4h 30m |
| MAF Midland | United Airlines then United Airlines | 1,598 km | ~4h 35m |
More from Houston and Denver
- Denver (DEN) to Houston (IAH) · return route
- All direct flights from Houston (IAH)
- All direct flights from Denver (DEN)
- Houston to Istanbul (IST)
- Houston to Amsterdam (AMS)
- Houston to Paris (CDG)
- Houston to Frankfurt (FRA)
- Houston to Dubai (DXB)
- Houston to Beijing (PEK)
- Houston to Chicago (ORD)
- Houston to Dallas-Fort Worth (DFW)
- Houston to Rome (FCO)
- Houston to Munich (MUC)
- Houston to London (LHR)
- Houston to Atlanta (ATL)
- Istanbul (IST) to Denver
- Frankfurt (FRA) to Denver
- Chicago (ORD) to Denver
- Dallas-Fort Worth (DFW) to Denver
- London (LHR) to Denver
- Atlanta (ATL) to Denver
- New York (JFK) to Denver
- Newark (EWR) to Denver
- Toronto (YYZ) to Denver
- Los Angeles (LAX) to Denver
- Miami (MIA) to Denver
- Charlotte (CLT) to Denver
Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.