$79 Cheap United flights Houston (IAH) to Chicago (ORD)

View $79 flight on Sat, Aug 16, 2025Opens in a new window

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$79 Cheap United flights Houston (IAH) to Chicago (ORD)

Prices were available within the past 7 days and start at $79 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Houston (IAH) to Chicago (ORD)
Origin airport
George Bush Intercontinental
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
925 mi
Average flight time
2 hours 46 mins

Frequently asked questions

How much is a United Airlines flight from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from IAH to ORD. Affordable one-way fares from $79 are available as well.**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.
What is the cheapest month to fly from IAH to ORD with United Airlines?
Browse for one-way or return flights to Chicago in January or February. You could find a cheap fare with United Airlines during these off-season months.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) with United Airlines?
Look for cheap United Airlines flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) one to three months prior to your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.
Does United Airlines fly nonstop from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
Hop on one of United Airlines's 66 direct weekly flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD). To see your options, enter your dates, destination and origin and hit search. Then select the "Nonstop" and "Airline" filters.
How long does it take to fly from IAH to ORD with United Airlines?
It takes approximately 2h 49m to fly nonstop from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) with United Airlines.
Which day of the week has the most United Airlines flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
If it's flexibility you're after, Thursday offers the most choice for United Airlines flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD). You can pick from 10 different departures.
What is the earliest United Airlines flight from IAH to ORD?
Setting off from IAH at 6:22AM UTC-6, the first United Airlines flight to ORD arrives at 9:14AM UTC-6. Traveling earlier in the day means you'll be less likely to encounter delays or cancellations.* Not an early riser? The last United Airlines flight from IAH to ORD departs at 9:36PM UTC-6 and touches down at 12:15AM UTC-6.*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.
What airports does United Airlines fly into in Chicago?
Many United Airlines flights from George Bush Intercontinental Airport (IAH) to Chicago arrive at O'Hare Intl. Airport (ORD). This is the airline's primary gateway to the city. It's worth exploring Expedia for flights to nearby airports such as Midway Intl. Airport (MDW), as prices may be cheaper.
Why fly with United Airlines from IAH to ORD?
Travel from IAH to ORD with United Airlines and you can look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
For the George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) route, United Airlines typically operates Airbus A321neo and Boeing 737-900 planes. Don't forget that last-minute changes can occur for operational needs, meaning your flight could be on a different aircraft.
Can I change or cancel my United Airlines flight from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
Depending on the type of fare you purchased, a fee typically applies if you cancel or change your flight more than 24 hours after it's confirmed. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you look for flights. For additional information on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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