$59 Cheap Flights from Houston (IAH) to Chicago (ORD)

View $59 flight on Sun, May 25, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Chicago (IAH-ORD)

Prices were available within the past 7 days and start at $59 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, May 25 - Tue, May 27
IAH
Houston
ORD
Chicago
$124 Roundtrip, found 1 hour ago
$124
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 25 from Houston to Chicago, returning Tue, May 27, priced at $124 found 1 hour ago
Spirit Airlines
Sat, May 17 - Tue, May 20
IAH
Houston
ORD
Chicago
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 17 from Houston to Chicago, returning Tue, May 20, priced at $128 just found
Spirit Airlines
Sat, May 17 - Tue, May 20
IAH
Houston
ORD
Chicago
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 17 from Houston to Chicago, returning Tue, May 20, priced at $135 just found
Spirit Airlines
Fri, May 9 - Tue, May 20
IAH
Houston
ORD
Chicago
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, May 9 from Houston to Chicago, returning Tue, May 20, priced at $137 found 1 day ago
Spirit Airlines
Wed, May 14 - Sat, May 17
IAH
Houston
ORD
Chicago
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 14 from Houston to Chicago, returning Sat, May 17, priced at $138 just found
Spirit Airlines
Mon, May 19 - Sun, May 25
IAH
Houston
ORD
Chicago
$139 Roundtrip, found 14 hours ago
$139
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Mon, May 19 from Houston to Chicago, returning Sun, May 25, priced at $139 found 14 hours ago
Frontier Airlines
Fri, May 9 - Tue, May 20
IAH
Houston
ORD
Chicago
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 9 from Houston to Chicago, returning Tue, May 20, priced at $140 found 1 day ago
American Airlines
Wed, Jun 4 - Tue, Jun 10
IAH
Houston
ORD
Chicago
$163 Roundtrip, found 2 hours ago
$163
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Jun 4 from Houston to Chicago, returning Tue, Jun 10, priced at $163 found 2 hours ago
United
Tue, May 20 - Fri, May 30
IAH
Houston
ORD
Chicago
$166 Roundtrip, found 5 hours ago
$166
Roundtrip
found 5 hours ago
Select United flight, departing Tue, May 20 from Houston to Chicago, returning Fri, May 30, priced at $166 found 5 hours ago
JetBlue Airways
Sun, May 11 - Thu, May 15
IAH
Houston
ORD
Chicago
$675 Roundtrip, just found
$675
Roundtrip
just found
Select JetBlue Airways flight, departing Sun, May 11 from Houston to Chicago, returning Thu, May 15, priced at $675 just found

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) cost?
You can score affordable return tickets from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD) starting from $93. Grab a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving IAH on May 20 2025 and touching down at ORD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAH to ORD?
The cheapest flights from IAH to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
Skip the layovers and fly nonstop to O’Hare Intl. Airport (ORD) from George Bush Intercontinental Airport (IAH) with 4 airlines, including:

  • United Airlines
  • American Airlines
  • Spirit Airlines

What is the cheapest airline that flies from IAH to ORD?
With tickets starting at $39 for a one-way flight from IAH to ORD, Spirit Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on May 20 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
With, on average, 14 direct flights departing from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD) daily, you’ll be jetting off in no time.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
More passengers fly between IAH and ORD at 6 AM than at any other time of day. Prefer a quieter experience? Try choosing a quieter departure window and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from IAH to ORD?
If you travel on a Sunday, you’ll get the largest range of choices for flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
George Bush Intercontinental Airport (IAH)’s earliest flight to O’Hare Intl. Airport (ORD) leaves at approximately 6:00AM UTC-6. With a travel duration of 2h 42m, you’ll land at around 8:42AM UTC-6.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
It takes about 2 hours and 46 minutes to fly the 930 mi from IAH to ORD.
What airline has the least delays from IAH to ORD?
With 81% of journeys typically arriving as scheduled, American Airlines has the best on-time performance for direct flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). To keep track of your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
Choose a flight from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Chicago from George Bush Intercontinental Airport (IAH)?
You’ll arrive at O’Hare Intl. Airport (ORD) or Midway Intl. Airport (MDW) when traveling to Chicago on a direct flight from George Bush Intercontinental Airport (IAH).
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute fares from IAH to ORD are usually more expensive. To secure the best rates, start searching for flights well in advance. That said, if you’re flexible with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book an IAH to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAH to ORD flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD)?
If you booked your IAH to ORD flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.
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