Compare fares on the short-haul flight from Chicago to Houston — a southwestbound route of about 926 miles, typically flown nonstop in around 2h 20m.
Distance
926 mi
1,490 km
Est. flight time
2h 20m
nonstop
Nonstop service
Available
3 carriers
Time difference
Same time zone
Houston
Flights from Chicago O'Hare International Airport (ORD) to George Bush Intercontinental Houston Airport (IAH) cover roughly 926 miles (1,490 km) on a southwestbound heading, a nonstop flight of about 2h 20m. Houston is in the same time zone as Chicago. It's served by 3 airlines.
Lets Fly Travel compares live fares across hundreds of airlines to find the best deal on this route — and every booking is reviewed by a real travel agent before ticketing.
Carriers that have operated nonstop service between ORD and IAH include:
Airline availability and fares change over time — search your dates for current options.
Fare patterns and travel conditions vary by season. Here's what to expect on the ORD–IAH route throughout the year.
Jan–Feb
Winter weekdays on the Chicago–Houston route are often lightly booked — a good window for budget-conscious travelers.
Mar–May
Spring demand picks up, especially around school break periods. Searching Tuesday–Thursday departures usually surfaces the cheapest fares.
Jun–Aug
Summer travel is busy on this short-haul flight. Booking 3–5 weeks out and avoiding Friday/Sunday departures helps keep costs down.
Sep–Oct
Post-summer shoulder period often brings the lowest fares on the ORD–IAH route. Weather is usually still pleasant at both ends.
Nov–Dec
Holiday travel between Chicago and Houston books up fast. Set a fare alert and book as soon as you confirm your plans.
Houston is served by George Bush Intercontinental Houston Airport (IATA: IAH , ICAO: KIAH). Allow time for baggage claim and ground transportation after landing.
IATA Code
IAH
Flight Time
~2h 20m
Distance
926 mi
tips_and_updates Arrival tips
Live fares across hundreds of airlines.