$79 Cheap American Airlines flights Houston (IAH) to Chicago (ORD)

Scoring cheap one-way American Airlines flights from IAH to ORD from $79 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $145 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to jet away to Chicago with American Airlines. You could also find excellent prices on return and one-way fares in February.

To find cheap American Airlines fares from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Take off on one of American Airlines’s 20 weekly direct flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). To view available options, enter your destination, origin and dates and hit search. Then select the “Nonstop” and “Airline” filters.

It takes approximately 2h 41m to fly nonstop from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD) with American Airlines.

Saturday has the most American Airlines flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). With 3 daily departures, this is a great day to find something that will work for your schedule.

The earliest American Airlines flight from IAH to ORD departs at 6:00AM UTC-6, landing at 8:42AM UTC-6. If you prefer to set off later, the last American Airlines flight leaves IAH at 5:00PM UTC-6 and lands at ORD at 7:40PM UTC-6. Flying earlier is often a good idea as morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

O’Hare Intl. Airport (ORD) is the main gateway for American Airlines flights from George Bush Intercontinental Airport (IAH) to Chicago. But the airline also flies to Midway Intl. Airport (MDW). Be sure to tick Expedia’s “All Airports” option for your destination to see exactly what’s available for your trip to Chicago.

You’ll likely board an Embraer 175 or an Embraer 170 when flying American Airlines from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). However, keep in mind that a different plane could be assigned to your route depending on operational reasons.

Changes are typically free within 24 hours of making your booking, but your airline may charge you after that. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without additional costs, apply the “Changes included” or “No cancel fee” filter when organizing your next getaway.