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Cheap Flights from Chicago (ORD) to Houston (IAH)

View AU$166 flight on Sat, 15 Aug 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Chicago (ORD) to Houston (IAH)

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

American Airlines
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$404 Return, found 2 days ago
AU$404
Return
found 2 days ago
Select American Airlines flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$404 found 2 days ago
American Airlines
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$419 Return, found 2 days ago
AU$419
Return
found 2 days ago
Select American Airlines flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$419 found 2 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$433 Return, found 2 days ago
AU$433
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$433 found 2 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$433 Return, found 2 days ago
AU$433
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$433 found 2 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$448 Return, found 2 days ago
AU$448
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$448 found 2 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$462 Return, found 2 days ago
AU$462
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$462 found 2 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$463 Return, found 2 days ago
AU$463
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$463 found 2 days ago
United
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$477 Return, found 2 days ago
AU$477
Return
found 2 days ago
Select United flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$477 found 2 days ago
American Airlines
Sun, 16 Aug - Sun, 23 Aug
ORD
Chicago
IAH
Houston
AU$489 Return, found 5 days ago
AU$489
Return
found 5 days ago
Select American Airlines flight, departing Sun, 16 Aug from Chicago to Houston, returning Sun, 23 Aug, priced at AU$489 found 5 days ago
Delta
Wed, 19 Aug - Wed, 26 Aug
ORD
Chicago
IAH
Houston
AU$491 Return, found 2 days ago
AU$491
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Aug from Chicago to Houston, returning Wed, 26 Aug, priced at AU$491 found 2 days ago

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from ORD to IAH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to IAH ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you're looking for the cheapest time to fly from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental), September is typically your best bet! You can expect average return flights to be around AU$342 during this month. September often sees lower prices because the summer travel rush has ended, and demand for flights tends to decrease. Other budget-friendly months to consider for this route include February and October.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are 4 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental). These include:
  • United operates 108 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
  • American Airlines operates 42 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
  • Spirit Airlines operates 13 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
  • Frontier Airlines operates 7 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Spirit Airlines also offers one of the cheapest connecting return flights on this route, with tickets starting from around AU$297. Spirit Airlines is one of the cheapest airlines offering nonstop return flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental), with tickets starting from around AU$301 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Chicago, IL (ORD) to Houston, TX (IAH)?
To find a cheap flight from Chicago, IL (ORD) to Houston, TX (IAH), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD) to Houston, TX (IAH)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find plenty of options for flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental). There are approximately 24 nonstop flights per day. For even more choices, look at flights that include layovers, as there are around 145 connecting flights daily. Some common connection points include Dallas-Fort Worth Intl. (DFW), Seattle - Tacoma Intl. (SEA), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Chicago O'Hare International Airport (ORD) to Houston George Bush Intercontinental Airport (IAH) typically departs around 12:05 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in December. An early departure like this can be great for maximizing your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find the most flights from Chicago O'Hare International Airport (ORD) to Houston George Bush Intercontinental (IAH) on a Friday, with around 93 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Fridays and Thursdays offer notably more flight options compared to other days of the week, making them ideal if you're looking for a wider selection of departure times.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Frontier Airlines, offer flights during this window. Many travellers prefer these times because it allows them to arrive in Houston early, giving them a full day for business or leisure activities.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
When flying from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental), you'll find that nonstop flights typically take around 3 hours. This route covers a distance of approximately 1,490 kilometres (926 miles). If you opt for a one-stop flight, your travel time will generally be longer, averaging about 8 hours and 18 minutes. Flights with two or more stops usually take even longer, around 7 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You can fly business class or first class between ORD and IAH. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Spirit Airlines, Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Chicago, IL (ORD) to Houston, TX (IAH) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD) to Houston, TX (IAH) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (IAH) from Chicago, IL (ORD)?
If you're planning to travel to Houston from O'Hare Intl. (ORD), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or Waynesville Regional (TBN) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD) to Houston, TX (IAH) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD) to Houston, TX (IAH) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD) to Houston, TX (IAH) flight and hotel package?
Securing a Chicago, IL (ORD) to Houston, TX (IAH) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD) to Houston, TX (IAH)?
If you booked your Chicago, IL (ORD) to Houston, TX (IAH) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
George Bush Intercontinental
Return price
AU$404
Distance
1481 km
Average flight time
2 hours 51 mins

Book with confidence

Your quick guide to flights from Chicago to Houston

Pick up great flights from Chicago to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Chicago to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Chicago to Houston that take around hours.

Find cheap flights from Chicago to Houston

From the great flight deals with prices currently ranging from AU$404 to AU$491, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Chicago to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in August.

Reasons to book your flight from Chicago to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Chicago to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Chicago to Houston

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