Direct Flights from Houston (IAH) to Chicago (ORD): Book Your Gateway to the Windy City
Cheapest flight found
$108
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: IAH → ORD
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$108
Highest Fare
$200
Median Fare
$158
Price Spread
$92
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $108)
Most expensive month: April 2026 (from $200)
Biggest price drop caught: $67 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Houston to Chicago range from $108 to $200, a $92 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $67 between hourly checks on this route.
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From
Houston (IAH)
To
Chicago (ORD)
Airport Information
Houston (IAH)
George Bush Intercontinental Airport (IAH) serves as a premier international gateway and a massive primary hub for United Airlines. Located about 23 miles north of downtown Houston, it features five expansive terminals linked by an efficient underground manual train and an above-ground Skyway. Travelers can enjoy a wide variety of Texas-inspired dining options, from local barbecue to upscale Tex-Mex, while waiting for their departure to the Windy City.
Chicago (ORD)
Chicago O'Hare International Airport (ORD) is one of the world's most connected aviation centers, located approximately 17 miles northwest of the Chicago Loop. As a primary hub for both United and American Airlines, it offers extensive amenities across four operational terminals. Passengers arriving from Houston can easily access the city center via the CTA Blue Line train, which provides an affordable and scenic transit option directly from the lower level of the airport.
Frequently Asked Questions
How long is the average flight from Houston to Chicago?
The average non-stop flight time from IAH to ORD is approximately 2 hours and 45 minutes, covering a distance of about 925 miles.
Which airlines offer non-stop flights on this route?
Major carriers including United Airlines, American Airlines, and Spirit Airlines frequently offer direct, non-stop service between Houston and Chicago.
Is there a time difference between Houston and Chicago?
No, both Houston and Chicago are located within the Central Time Zone, so you will not need to adjust your watch upon arrival.
What is the cheapest way to get from O'Hare to downtown Chicago?
The CTA Blue Line 'L' train is the most cost-effective method, costing around $5 and taking approximately 45 minutes to reach the city center.
When is the best time to book flights to get the lowest price?
Statistical data suggests booking 21 to 35 days in advance typically secures the lowest fares for this specific domestic route.
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