S$140 Cheap Flights from Chicago to Houston

View S$140 flight on Sat, 13 Dec, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Chicago to Houston (ORD-IAH)

Prices were available within the past 7 days and start at S$140 for one-way flights and S$377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$377 Return, found 2 days ago
S$377
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$377 found 2 days ago
United
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$391 Return, found 2 days ago
S$391
Return
found 2 days ago
Select United flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$391 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$397 Return, found 2 days ago
S$397
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$397 found 2 days ago
United
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$397 Return, found 2 days ago
S$397
Return
found 2 days ago
Select United flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$397 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$409 Return, found 2 days ago
S$409
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$409 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$416 Return, found 2 days ago
S$416
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$416 found 2 days ago
Delta
Sat, 18 Oct - Tue, 21 Oct
ORD
Chicago
IAH
Houston
S$417 Return, found 2 days ago
S$417
Return
found 2 days ago
Select Delta flight, departing Sat, 18 Oct from Chicago to Houston, returning Tue, 21 Oct, priced at S$417 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$423 Return, found 2 days ago
S$423
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$423 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$425 Return, found 2 days ago
S$425
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$425 found 2 days ago
American Airlines
Thu, 30 Oct - Mon, 3 Nov
ORD
Chicago
IAH
Houston
S$435 Return, found 2 days ago
S$435
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Oct from Chicago to Houston, returning Mon, 3 Nov, priced at S$435 found 2 days ago

Find the cheapest month to fly from Chicago (ORD) to Houston (IAH)

April is typically the cheapest month to fly

From S$62 - S$512 per traveller.
Chicago to Houston route information
Origin airport
O'Hare Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, United
Return price
S$377
Distance
1481 km
Average flight time
2 hours 49 mins

Flights from Chicago to Houston

There are several airlines that operate frequent flights from Chicago (ORD) to Houston (IAH) including

The earliest flight leaves O'Hare Intl. Airport at 05:00 and arrives at George Bush Intercontinental Airport at 00:06. The last flight of the day departs Chicago at 21:45 and arrives at Houston at 23:59.

The flight distance from Chicago to Houston is about 1496 km, the shortest flight is 02 hours 35 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Houston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chicago Houston flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago to Houston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Houston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chicago to Houston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from O'Hare Airport to George Bush Intercontinental Airport (IAH)?
Start packing your suitcase, because round-trip journeys from ORD to George Bush Intercontinental Airport (IAH) start from S$377. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Houston Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to George Bush Intercontinental Airport (IAH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Intl. Airport (ORD) to Houston Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ORD to IAH?
The flight distance from ORD (ORD) to Houston Airport (IAH) is only 1,500 kilometres. You'll be walking down the air bridge and grabbing your bags from the carousel before long.
Which airlines fly direct from ORD to Houston Airport?
There are a few airlines that fly straight from O'Hare Intl. Airport (ORD) to George Bush Intercontinental Airport (IAH). United Airlines (UA) is a popular choice, offering 273 flights each month. Another airline operating on this route is American Airlines (AA). You'll have 82 flights a month to select from.
Are O'Hare Intl. Airport (ORD) to IAH flight tickets cheaper when they're purchased at the last minute?
Fares from O'Hare Airport to George Bush Intercontinental Airport (IAH) are available up to a year prior to departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Chicago Airports

Chicago

*Available to Expedia members.