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Cheap flights from Chicago to Houston from $55

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 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
6:30 am - 9:18 amMDW-IAH
2h 48mnonstop
Frontier Logo
10:08 am - 12:46 pmIAH-MDW
2h 38mnonstop
$91Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
6:00 am - 8:51 amORD-IAH
2h 51mnonstop
Frontier Logo
10:12 pm - 12:44 amIAH-ORD
2h 32mnonstop
$91Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 13
Frontier Logo
6:30 am - 9:18 amMDW-IAH
2h 48mnonstop
Frontier Logo
6:09 pm - 8:46 pmIAH-MDW
2h 37mnonstop
$92Frontier
Find Deal
Sun, Sep 7 - Mon, Sep 8
Frontier Logo
4:03 pm - 7:10 pmORD-IAH
3h 07mnonstop
Frontier Logo
8:00 pm - 10:45 pmIAH-ORD
2h 45mnonstop
$92Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
2:26 pm - 5:14 pmMDW-IAH
2h 48mnonstop
Frontier Logo
10:08 am - 12:46 pmIAH-MDW
2h 38mnonstop
$93Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Frontier Logo
4:03 pm - 7:10 pmORD-IAH
3h 07mnonstop
Frontier Logo
8:00 pm - 10:45 pmIAH-ORD
2h 45mnonstop
$93Frontier
Find Deal
Mon, Sep 22 - Thu, Sep 25
Logo
4:03 pm - 7:10 pmORD-IAH
3h 07mnonstop
Logo
10:23 am - 1:09 pmIAH-ORD
2h 46mnonstop
$96
Find Deal
Mon, Sep 29 - Wed, Oct 1
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
Spirit Airlines Logo
10:23 am - 1:09 pmIAH-ORD
2h 46mnonstop
$97Spirit Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
Spirit Airlines Logo
7:35 am - 10:20 amORD-IAH
2h 45mnonstop
Spirit Airlines Logo
4:29 pm - 7:16 pmIAH-ORD
2h 47mnonstop
$105Spirit Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 19
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
Spirit Airlines Logo
5:05 pm - 7:50 pmIAH-ORD
2h 45mnonstop
$106Spirit Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21

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
Sep 11
MDW6:30 amChicago Midway
2h 48m
IAH9:18 amHouston George Bush Intcntl
Sep 14
IAH10:08 amHouston George Bush Intcntl
2h 38m
MDW12:46 pmChicago Midway
$91
Find similar
Frontier
Sep 7
MDW6:30 amChicago Midway
2h 48m
IAH9:18 amHouston George Bush Intcntl
Sep 8
IAH6:09 pmHouston George Bush Intcntl
2h 37m
MDW8:46 pmChicago Midway
$92
Find similar
Frontier
Sep 12
MDW2:26 pmChicago Midway
2h 48m
IAH5:14 pmHouston George Bush Intcntl
Sep 14
IAH10:08 amHouston George Bush Intcntl
2h 38m
MDW12:46 pmChicago Midway
$93
Find similar

Spirit Airlines flights from Chicago to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on Chicago to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Sep 18
ORD8:56 pmChicago O'Hare Intl
2h 49m
IAH11:45 pmHouston George Bush Intcntl
Sep 23
IAH10:23 amHouston George Bush Intcntl
2h 46m
ORD1:09 pmChicago O'Hare Intl
$97
Find similar
Spirit Airlines
Sep 5
ORD8:56 pmChicago O'Hare Intl
2h 49m
IAH11:45 pmHouston George Bush Intcntl
Sep 7
IAH7:57 amHouston George Bush Intcntl
2h 45m
ORD10:42 amChicago O'Hare Intl
$102
Find similar
Spirit Airlines
Sep 5
ORD8:56 pmChicago O'Hare Intl
2h 49m
IAH11:45 pmHouston George Bush Intcntl
Sep 7
IAH7:57 amHouston George Bush Intcntl
2h 45m
ORD10:42 amChicago O'Hare Intl
$103
Find similar

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 August 27, 2025.
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

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Thu 9/11

6:30 am-9:18 am

Nonstop2h 48m

Houston George Bush Intcntl

Sun 9/14

10:08 am-12:46 pm

Nonstop2h 38m

$91

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/10

6:00 am-8:51 am

Nonstop2h 51m

Houston George Bush Intcntl

Mon 10/13

10:12 pm-12:44 am

Nonstop2h 32m

$91

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Sun 9/7

6:30 am-9:18 am

Nonstop2h 48m

Houston George Bush Intcntl

Mon 9/8

6:09 pm-8:46 pm

Nonstop2h 37m

$92

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 9/25

4:03 pm-7:10 pm

Nonstop3h 07m

Houston George Bush Intcntl

Sun 9/28

8:00 pm-10:45 pm

Nonstop2h 45m

$92

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 9/12

2:26 pm-5:14 pm

Nonstop2h 48m

Houston George Bush Intcntl

Sun 9/14

10:08 am-12:46 pm

Nonstop2h 38m

$93

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 9/22

4:03 pm-7:10 pm

Nonstop3h 07m

Houston George Bush Intcntl

Thu 9/25

8:00 pm-10:45 pm

Nonstop2h 45m

$93

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 9/29

4:03 pm-7:10 pm

Nonstop3h 07m

Houston George Bush Intcntl

Wed 10/1

10:23 am-1:09 pm

Nonstop2h 46m

$96

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 9/18

8:56 pm-11:45 pm

Nonstop2h 49m

Houston George Bush Intcntl

Tue 9/23

10:23 am-1:09 pm

Nonstop2h 46m

$97

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 11/8

7:35 am-10:20 am

Nonstop2h 45m

Houston George Bush Intcntl

Wed 11/19

4:29 pm-7:16 pm

Nonstop2h 47m

$105

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 9/18

8:56 pm-11:45 pm

Nonstop2h 49m

Houston George Bush Intcntl

Sun 9/21

5:05 pm-7:50 pm

Nonstop2h 45m

$106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Chicago, with most prices found around $140. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Chicago during the month October is also very affordable. Most momondo users find prices during this month for around $140.

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 $267. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $448.

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 in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $273. Try not to purchase tickets at noon because they tend to be around $356. 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 O'Hare Intl to Houston George Bush Intcntl for the best Chicago - Houston George Bush Intcntl flight prices

How far in advance should I book a flight 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 $220 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 $168 on momondo.

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

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

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

As of August 2025, prices for Chicago to Houston George Bush Intcntl Airport flights are approximately 8% cheaper 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

$100

Fastest flight time

2h 38m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Chicago in the past 72 hours is $100. The best round-trip flight deal from Chicago to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $159.
The fastest flight from Chicago to Houston George Bush Intcntl Airport takes 2h 38m
Direct flights go from Chicago to Houston George Bush Intcntl Airport every day.
Search flight deals

  • 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 45m.

  • 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 $62Free CancellationRating
5.8
3,202 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $72Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $177Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,977 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 $177. Generally, United Airlines has 84 flights on this route every week with an average price of $368. 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 $157, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $253 round-trip. American Airlines operates 7 flights out of Chicago into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Houston?

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

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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