Wayfli › Denver (DEN) › To Houston (IAH)
Denver (DEN) to Houston (IAH) flights
There are direct flights from Denver International Airport to George Bush Intercontinental Houston 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 13 one-stop options, via airports such as Dallas-Fort Worth, Austin and San Antonio.
Live fares for DEN → IAHSee all routes on the map1,388 kmdistance
~2h 10mdirect flight time (estimate)
2direct airlines
13one-stop options
Direct flights from Denver to Houston
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| DEN → IAH | 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 Frontier Airlines then American Airlines and United Airlines | 1,394 km | ~4h 20m |
| AUS Austin | Frontier Airlines and United Airlines then United Airlines | 1,474 km | ~4h 30m |
| SAT San Antonio | United Airlines and Southwest Airlines then United Airlines | 1,586 km | ~4h 35m |
| ABQ Albuquerque | United Airlines and Southwest Airlines then United Airlines | 1,758 km | ~4h 50m |
| OKC Oklahoma City | Frontier Airlines and United Airlines then United Airlines | 1,434 km | ~4h 25m |
| TUL Tulsa | United Airlines and Southwest Airlines then United 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 |
| AMA Amarillo | United Airlines and Southwest Airlines then United Airlines | 1,412 km | ~4h 25m |
More from Denver and Houston
- Houston (IAH) to Denver (DEN) · return route
- All direct flights from Denver (DEN)
- All direct flights from Houston (IAH)
- Denver to Istanbul (IST)
- Denver to Frankfurt (FRA)
- Denver to Chicago (ORD)
- Denver to Dallas-Fort Worth (DFW)
- Denver to Munich (MUC)
- Denver to London (LHR)
- Denver to Atlanta (ATL)
- Denver to New York (JFK)
- Denver to Newark (EWR)
- Denver to Toronto (YYZ)
- Denver to Los Angeles (LAX)
- Denver to Miami (MIA)
- Istanbul (IST) to Houston
- Amsterdam (AMS) to Houston
- Paris (CDG) to Houston
- Frankfurt (FRA) to Houston
- Dubai (DXB) to Houston
- Beijing (PEK) to Houston
- Chicago (ORD) to Houston
- Dallas-Fort Worth (DFW) to Houston
- Rome (FCO) to Houston
- Munich (MUC) to Houston
- London (LHR) to Houston
- Atlanta (ATL) to Houston
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.