4 airlines fly nonstop from Chicago to Houston.
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| American Airlines | ORD O'Hare International Airport | IAH George Bush Intercontinental Airport |
| United Airlines | ORD O'Hare International Airport | IAH George Bush Intercontinental Airport |
| Frontier Airlines | ORD O'Hare International Airport | IAH George Bush Intercontinental Airport |
| Southwest Airlines | MDW Midway International Airport | HOU William P. Hobby Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
23 miles (37 km) from the city centre. 48.4 million passengers in 2024
| How | Route | Cost |
|---|---|---|
| Bus | METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center | $4.50 one way |
| Bus | METRO Route 102 Bush IAH Express via Greenspoint and I-45 | $1.25 (local fare) |
7 miles (11 km) from the city centre. 14.6 million passengers in 2024
| How | Route | Cost |
|---|---|---|
| Bus | METRO bus 40 to downtown | $1.25 (local fare) |
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
Houston is the same time as Chicago. Houston uses the US dollar (USD).
Read the Houston guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, American Airlines, United Airlines, Frontier Airlines and Southwest Airlines fly this route nonstop.
Nonstop flights leave from O'Hare International Airport (ORD) and Midway International Airport (MDW) and arrive at George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
About 942 miles (1,516 km), measured between the city centres.
Houston is the same time as Chicago.
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center, $4.50 one way.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.