Wayfli › Houston (IAH) › To Chicago (ORD)
Houston (IAH) to Chicago (ORD) flights
There are direct flights from George Bush Intercontinental Houston Airport to Chicago O'Hare International Airport, sold by 3 airlines (including codeshares): American Airlines, Frontier Airlines and United Airlines. The distance is 1,491 km, about 2h 20m in the air. There are also 23 one-stop options, via airports such as Dallas-Fort Worth, St. Louis and Nashville.
Live fares for IAH → ORDSee all routes on the map1,491 kmdistance
~2h 20mdirect flight time (estimate)
3direct airlines
23one-stop options
Direct flights from Houston to Chicago
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| IAH → ORD | American Airlines, Frontier Airlines, United Airlines | 1,491 km | ~2h 20m |
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 | 1,652 km | ~4h 40m |
| STL St. Louis | United Airlines then American Airlines and United Airlines | 1,491 km | ~4h 30m |
| BNA Nashville | United Airlines then American Airlines and United Airlines | 1,716 km | ~4h 45m |
| AUS Austin | United Airlines then American Airlines and United Airlines | 1,800 km | ~4h 50m |
| MSY New Orleans | Air Canada and Lufthansa then American Airlines and Air Canada | 1,839 km | ~4h 55m |
| MCI Kansas City | United Airlines then American Airlines and United Airlines | 1,684 km | ~4h 45m |
| IND Indianapolis | United Airlines then American Airlines and United Airlines | 1,645 km | ~4h 40m |
| MKE Milwaukee | United Airlines then American Airlines and United Airlines | 1,694 km | ~4h 45m |
| SDF Louisville | United Airlines then American Airlines and United Airlines | 1,730 km | ~4h 45m |
| OKC Oklahoma City | United Airlines then American Airlines and United Airlines | 1,752 km | ~4h 50m |
| CVG Cincinnati | United Airlines then American Airlines and United Airlines | 1,828 km | ~4h 55m |
| BHM Birmingham | United Airlines then American Airlines and United Airlines | 1,845 km | ~4h 55m |
More from Houston and Chicago
- Chicago (ORD) to Houston (IAH) · return route
- All direct flights from Houston (IAH)
- All direct flights from Chicago (ORD)
- 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 Dallas-Fort Worth (DFW)
- Houston to Rome (FCO)
- Houston to Munich (MUC)
- Houston to London (LHR)
- Houston to Atlanta (ATL)
- Houston to New York (JFK)
- Istanbul (IST) to Chicago
- Amsterdam (AMS) to Chicago
- Paris (CDG) to Chicago
- Frankfurt (FRA) to Chicago
- Dubai (DXB) to Chicago
- Beijing (PEK) to Chicago
- Dallas-Fort Worth (DFW) to Chicago
- Madrid (MAD) to Chicago
- Shanghai (PVG) to Chicago
- Rome (FCO) to Chicago
- Munich (MUC) to Chicago
- London (LHR) to Chicago
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.