Book Cheap United flight from Houston (IAH) to Chicago (ORD)

Find The Best Day to Book a Cheap United Flights From Houston to Chicago

Frequently asked questions

Can I catch a flight from IAH to O'Hare Airport right now?
For any present O'Hare Intl. Airport (ORD) quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you book your flight, so you don't get caught up.
What terminal is United Airlines at Houston Airport?
If you're flying with United Airlines from IAH, you'll generally board from terminal C. If you're heading to ORD from here, you'll probably be filing off the aircraft at terminal 1.
Are there United Airlines non-stop flights from IAH to ORD?
There certainly are. Save time and effort and jet straight from George Bush Intercontinental Airport (IAH) to ORD with United Airlines. Avoid lengthy stopovers, lessen the risk of losing your belongings and reach your destination faster --- direct flights are the preferred way to travel for many.
How long is a United Airlines flight from IAH to ORD?
Watch your favorite TV show, enjoy a podcast or just put your seat back and forget your worries. You'll need to find a way to amuse yourself during the 4 hours and 33 minutes that it takes to journey from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) with United Airlines.
What type of aircraft does United Airlines fly from IAH to ORD?
When you cruise the skies between IAH and ORD with United Airlines, you'll probably be doing it aboard the Boeing 737-900. The carrier also operates the Airbus A320 on this flight path.
How many direct and indirect flights does United Airlines fly from IAH to ORD?
You can decide between approximately 9 flights each day with United Airlines from George Bush Intercontinental Airport (IAH) to ORD.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to O'Hare Intl. Airport (ORD), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great United flight from IAH to ORD 

To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying United Houston to Chicago gives you 12 fights to choose from. With that direct flight time of 43, you’ll be touching down before you know it.  

 

Find cheap flights with United between Houston and Chicago 

United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Houston to Chicago with United are .  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your United flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Chicago

Hilton Chicago O'Hare Airport
Hilton Chicago O'Hare Airport
4 out of 5
O'Hare International Airport, Chicago, IL
Stay at this 4-star business-friendly hotel in Chicago. Enjoy 2 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8/10 Very Good! (2,067 reviews)
"Super convenient for an early morning flight, and surprisingly quiet considering it’s only steps from the terminal."

Reviewed on Jul. 10, 2025

Hilton Chicago O'Hare Airport
Hyatt Regency O'Hare Chicago
Hyatt Regency O'Hare Chicago
4 out of 5
9300 Bryn Mawr Ave, Rosemont, IL
Book a stay at this eco-certified hotel in Rosemont. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff ...
8.6/10 Excellent! (1,713 reviews)
"Great facility! Clean and wonderful staff"

Reviewed on Jul. 6, 2025

Hyatt Regency O'Hare Chicago
Crowne Plaza Chicago Ohare Hotel & Conf Ctr by IHG
Crowne Plaza Chicago Ohare Hotel & Conf Ctr by IHG
3.5 out of 5
5440 N River Rd, Rosemont, IL
Stay at this 3.5-star business-friendly hotel in Rosemont. Enjoy free WiFi, 3 restaurants, and breakfast (surcharge). Our guests praise the breakfast and the ...
8.6/10 Excellent! (2,282 reviews)
"Beds were super comfortable and bathroom amenities plentiful. Great location with shops and food. My only concern was the entrance to parking and the lack of communication that you could not enter from the main entrance. We got caught in a bottleneck with cars turning around and with the shuttle ..."

Reviewed on Jul. 9, 2025

Crowne Plaza Chicago Ohare Hotel & Conf Ctr by IHG
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.