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Cheap flights from Chicago to Houston from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Houston departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:30 pm - 8:47 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
$124Frontier
Wed, Aug 12 - Tue, Aug 18
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
$125Frontier
Tue, Jul 21 - Tue, Jul 28
Frontier Logo
5:30 pm - 8:47 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
$127Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
$128Frontier
Sat, Aug 22 - Sat, Aug 29
Frontier Logo
5:30 pm - 8:47 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
$129Frontier
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
2:46 pm - 5:47 pm
ORD
-
IAH
3h 01mnonstop
Frontier Logo
6:42 pm - 9:34 pm
IAH
-
ORD
2h 52mnonstop
$131Frontier
Fri, Oct 2 - Tue, Oct 6
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
$135Frontier
Sat, Aug 22 - Mon, Aug 24
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
$136Frontier
Fri, Jul 17 - Tue, Jul 21
Delta Logo
6:05 am - 11:15 am
MDW
-
IAH
5h 10m
1 stop
Delta Logo
4:37 pm - 10:36 pm
IAH
-
MDW
5h 59m
1 stop
$199Delta
Wed, Aug 12 - Tue, Aug 18
Delta Logo
1:49 pm - 9:35 pm
MDW
-
IAH
7h 46m
1 stop
Delta Logo
4:37 pm - 10:36 pm
IAH
-
MDW
5h 59m
1 stop
$214Delta
Tue, Jul 28 - Tue, Aug 4

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Frontier flights from Chicago to Houston George Bush Intcntl Airport

Our best Frontier deals on Chicago to Houston George Bush Intcntl Airport flight tickets
Frontier
Aug 12
ORD5:30 pmChicago O'Hare Intl
3h 17m
IAH8:47 pmHouston George Bush Intcntl
Aug 18
IAH9:52 pmHouston George Bush Intcntl
2h 50m
ORD12:42 amChicago O'Hare Intl
$124
Frontier
Jul 21
ORD5:46 pmChicago O'Hare Intl
3h 17m
IAH9:03 pmHouston George Bush Intcntl
Jul 28
IAH9:58 pmHouston George Bush Intcntl
2h 51m
ORD12:49 amChicago O'Hare Intl
$125
Frontier
Aug 6
ORD5:30 pmChicago O'Hare Intl
3h 17m
IAH8:47 pmHouston George Bush Intcntl
Aug 10
IAH9:42 pmHouston George Bush Intcntl
2h 51m
ORD12:33 amChicago O'Hare Intl
$127

Delta flights from Chicago to Houston George Bush Intcntl Airport

Our best Delta deals on Chicago to Houston George Bush Intcntl Airport flight tickets
Delta
Aug 12
MDW1:27 pmChicago Midway
5h 05m
1 stop
IAH6:32 pmHouston George Bush Intcntl
Aug 18
IAH11:28 amHouston George Bush Intcntl
7h 05m
1 stop
MDW6:33 pmChicago Midway
$199
Delta
Jul 28
MDW9:19 amChicago Midway
5h 11m
1 stop
IAH2:30 pmHouston George Bush Intcntl
Aug 4
IAH5:41 amHouston George Bush Intcntl
6h 10m
1 stop
MDW11:51 amChicago Midway
$214
Delta
Aug 11
MDW10:54 amChicago Midway
4h 48m
1 stop
IAH3:42 pmHouston George Bush Intcntl
Aug 15
IAH11:28 amHouston George Bush Intcntl
7h 05m
1 stop
MDW6:33 pmChicago Midway
$218

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 12, 2026.
Use the filters below to find and compare flights from Chicago to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 8/12

5:30 pm-8:47 pm

Nonstop3h 17m

Houston George Bush Intcntl

Tue 8/18

9:52 pm-12:42 am

Nonstop2h 50m

$124

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 7/21

5:46 pm-9:03 pm

Nonstop3h 17m

Houston George Bush Intcntl

Tue 7/28

9:58 pm-12:49 am

Nonstop2h 51m

$125

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 8/6

5:30 pm-8:47 pm

Nonstop3h 17m

Houston George Bush Intcntl

Mon 8/10

9:42 pm-12:33 am

Nonstop2h 51m

$127

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 8/22

5:29 pm-8:57 pm

Nonstop3h 28m

Houston George Bush Intcntl

Sat 8/29

9:52 pm-12:42 am

Nonstop2h 50m

$128

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 8/13

5:30 pm-8:47 pm

Nonstop3h 17m

Houston George Bush Intcntl

Mon 8/17

9:42 pm-12:33 am

Nonstop2h 51m

$129
Quickest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/2

2:46 pm-5:47 pm

Nonstop3h 01m

Houston George Bush Intcntl

Tue 10/6

6:42 pm-9:34 pm

Nonstop2h 52m

$131

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 8/22

5:29 pm-8:57 pm

Nonstop3h 28m

Houston George Bush Intcntl

Mon 8/24

9:52 pm-12:42 am

Nonstop2h 50m

$135

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 7/17

5:46 pm-9:03 pm

Nonstop3h 17m

Houston George Bush Intcntl

Tue 7/21

9:58 pm-12:49 am

Nonstop2h 51m

$136

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Wed 8/12

6:05 am-11:15 am

1 stop5h 10m

Houston George Bush Intcntl

Tue 8/18

4:37 pm-10:36 pm

1 stop5h 59m

$199

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Tue 7/28

1:49 pm-9:35 pm

1 stop7h 46m

Houston George Bush Intcntl

Tue 8/4

4:37 pm-10:36 pm

1 stop5h 59m

$214

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Houston from

How to get the cheapest flight ticket from Chicago to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Chicago, with most prices found around $28. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $29.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Chicago to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $299. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $470.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Chicago to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $321. Try not to purchase tickets in the morning because they tend to be around $381. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago to Houston George Bush Intcntl flight route?

Fly from Chicago Midway to Houston George Bush Intcntl for the best Chicago - Houston George Bush Intcntl flight prices

How far in advance should I book a flight from Chicago to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $245 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Chicago for as low as $129 on momondo.

What cabin class options are available on Chicago to Houston George Bush Intcntl Airport flights?

There are 4 cabin classes available to choose from on Chicago to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Houston George Bush Intcntl Airport.

How have Chicago to Houston George Bush Intcntl Airport flight prices changed over time?

As of June 2026, prices for Chicago to Houston George Bush Intcntl Airport flights are approximately 205% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Houston George Bush Intcntl Airport (CHI to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Houston George Bush Intcntl Airport

Best Price Found

$68

Fastest flight time

2h 40m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Chicago in the past 72 hours is $68. The best round-trip flight deal from Chicago to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $271.
The fastest flight from Chicago to Houston George Bush Intcntl Airport takes 2h 40m
Direct flights go from Chicago to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Chicago to Houston George Bush Intcntl Airport

  • How far is Chicago to Houston George Bush Intcntl by plane?

    Chicago and Houston George Bush Intcntl are 926.3 mi apart from one another. In terms of flight time, this usually takes a little over 2h 40m.

  • When did momondo last update prices for flights from Chicago to Houston George Bush Intcntl Airport?

    Prices for flights from Chicago to Houston George Bush Intcntl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Chicago to Houston George Bush Intcntl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Chicago to Houston George Bush Intcntl Airport?

Best airlines flying from Chicago to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Chicago to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $57Free CancellationRating
5.6
2,892 reviews
Search Frontier flights
American AirlinesPriceFrom $160Free CancellationRating
7.1
11,647 reviews
Search American Airlines flights
United AirlinesPriceFrom $175Free CancellationRating
7.4
9,813 reviews
Search United Airlines flights
DeltaPriceFrom $207Free CancellationRating
7.9
8,404 reviews
Search Delta flights

  • United Airlines Flights From Chicago to Houston George Bush Intcntl Airport

    The lowest priced United Airlines flight from Chicago to Houston George Bush Intcntl Airport from the last 72 hours was $175. Generally, United Airlines has 104 flights on this route every week with an average price of $369. United Airlines is rated 7.4/10 by our users.

  • American Airlines Flights From Chicago to Houston George Bush Intcntl Airport

    The best American Airlines deal for Chicago to Houston George Bush Intcntl Airport flight tickets found on momondo in the last 72 hours was $160, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $264 round-trip. American Airlines operates 26 flights out of Chicago into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 11,647 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Houston?

It is quick and easy to find Chicago to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

Can I find flights from Chicago to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Houston.

I’m not ready to book a flight from Chicago to Houston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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