Cheap flights from Chicago to Houston from $45

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 2/16. 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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0 bags

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Multiple Airlines Logo
3:22 pm - 6:22 pm
ORD
-
IAH
3h 00mnonstop
Multiple Airlines Logo
9:51 am - 12:37 pm
IAH
-
ORD
2h 46mnonstop
$83Multiple Airlines
Fri, Feb 6 - Mon, Feb 16
Frontier Logo
7:00 am - 10:22 am
ORD
-
IAH
3h 22mnonstop
Frontier Logo
9:51 am - 12:37 pm
IAH
-
ORD
2h 46mnonstop
$85Frontier
Thu, Feb 12 - Mon, Feb 16
Frontier Logo
3:00 pm - 6:06 pm
MDW
-
IAH
3h 06mnonstop
Frontier Logo
6:51 pm - 9:29 pm
IAH
-
MDW
2h 38mnonstop
$87Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
6:30 am - 9:31 am
ORD
-
IAH
3h 01mnonstop
Frontier Logo
9:51 am - 12:37 pm
IAH
-
ORD
2h 46mnonstop
$87Frontier
Fri, Feb 13 - Mon, Feb 16
Spirit Airlines Logo
3:22 pm - 6:22 pm
ORD
-
IAH
3h 00mnonstop
Spirit Airlines Logo
11:38 am - 2:17 pm
IAH
-
ORD
2h 39mnonstop
$91Spirit Airlines
Sat, Jan 17 - Sun, Jan 18
Spirit Airlines Logo
9:00 am - 12:00 pm
ORD
-
IAH
3h 00mnonstop
Spirit Airlines Logo
5:15 am - 7:54 am
IAH
-
ORD
2h 39mnonstop
$92Spirit Airlines
Thu, Feb 26 - Sun, Mar 1
Southwest Logo
6:15 am - 9:15 am
MDW
-
HOU
3h 00mnonstop
Southwest Logo
5:55 am - 8:20 am
HOU
-
MDW
2h 25mnonstop
$145Southwest
Tue, Feb 10 - Sat, Feb 14
Southwest Logo
4:25 pm - 7:15 pm
MDW
-
HOU
2h 50mnonstop
Southwest Logo
6:40 am - 9:05 am
HOU
-
MDW
2h 25mnonstop
$153Southwest
Sat, Jan 17 - Sun, Jan 18
Delta Logo
2:50 pm - 10:33 pm
ORD
-
HOU
7h 43m1 stop
Delta Logo
5:04 pm - 11:56 pm
HOU
-
ORD
6h 52m1 stop
$197Delta
Tue, Jan 27 - Sat, Jan 31
Delta Logo
5:25 am - 12:20 pm
ORD
-
HOU
6h 55m1 stop
Delta Logo
5:19 pm - 11:56 pm
HOU
-
ORD
6h 37m1 stop
$207Delta
Thu, Feb 19 - Tue, Feb 24

Delta flights from Chicago to Houston

Our best Delta deals on Chicago to Houston flight tickets
Delta
Jan 27
ORD2:50 pmChicago O'Hare Intl
7h 43m
1 stop
HOU10:33 pmHouston Hobby
Jan 31
HOU5:04 pmHouston Hobby
6h 52m
1 stop
ORD11:56 pmChicago O'Hare Intl
Delta
Jan 20
MDW10:48 amChicago Midway
5h 22m
1 stop
HOU4:10 pmHouston Hobby
Jan 21
HOU11:09 amHouston Hobby
6h 20m
1 stop
MDW5:29 pmChicago Midway
Delta
Jan 11
MDW1:28 pmChicago Midway
5h 18m
1 stop
IAH6:46 pmHouston George Bush Intcntl
Jan 18
IAH5:15 amHouston George Bush Intcntl
7h 33m
1 stop
MDW12:48 pmChicago Midway

Southwest flights from Chicago to Houston

Our best Southwest deals on Chicago to Houston flight tickets
Southwest
Feb 10
MDW6:15 amChicago Midway
3h 00m
HOU9:15 amHouston Hobby
Feb 14
HOU5:55 amHouston Hobby
2h 25m
MDW8:20 amChicago Midway
Southwest
Jan 17
MDW4:25 pmChicago Midway
2h 50m
HOU7:15 pmHouston Hobby
Jan 18
HOU6:40 amHouston Hobby
2h 25m
MDW9:05 amChicago Midway
Southwest
Jan 18
MDW8:55 amChicago Midway
2h 55m
HOU11:50 amHouston Hobby
Jan 20
HOU8:30 pmHouston Hobby
2h 25m
MDW10:55 pmChicago Midway

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Houston 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 December 28, 2025.
Use the filters below to find and compare flights from Chicago to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 2/6

3:22 pm-6:22 pm

Nonstop3h 00m

Houston George Bush Intcntl

Mon 2/16

9:51 am-12:37 pm

Nonstop2h 46m

$83

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 2/12

7:00 am-10:22 am

Nonstop3h 22m

Houston George Bush Intcntl

Mon 2/16

9:51 am-12:37 pm

Nonstop2h 46m

$85

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 2/27

3:00 pm-6:06 pm

Nonstop3h 06m

Houston George Bush Intcntl

Sun 3/1

6:51 pm-9:29 pm

Nonstop2h 38m

$87

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 2/13

6:30 am-9:31 am

Nonstop3h 01m

Houston George Bush Intcntl

Mon 2/16

9:51 am-12:37 pm

Nonstop2h 46m

$87

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 1/17

3:22 pm-6:22 pm

Nonstop3h 00m

Houston George Bush Intcntl

Sun 1/18

11:38 am-2:17 pm

Nonstop2h 39m

$91

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 2/26

9:00 am-12:00 pm

Nonstop3h 00m

Houston George Bush Intcntl

Sun 3/1

5:15 am-7:54 am

Nonstop2h 39m

$92

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Tue 2/10

6:15 am-9:15 am

Nonstop3h 00m

Houston Hobby

Sat 2/14

5:55 am-8:20 am

Nonstop2h 25m

$145

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Sat 1/17

4:25 pm-7:15 pm

Nonstop2h 50m

Houston Hobby

Sun 1/18

6:40 am-9:05 am

Nonstop2h 25m

$153

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Tue 1/27

2:50 pm-10:33 pm

1 stop7h 43m

Houston Hobby

Sat 1/31

5:04 pm-11:56 pm

1 stop6h 52m

$197

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Thu 2/19

5:25 am-12:20 pm

1 stop6h 55m

Houston Hobby

Tue 2/24

5:19 pm-11:56 pm

1 stop6h 37m

$207

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

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?

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from Chicago, with most prices found around $175. The month of September is another great option to travel to Houston, with average flight prices from Chicago averaging around $177.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Chicago is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $340. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Sunday is $586.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Chicago to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $267. Try not to purchase tickets in the morning because they tend to be around $373. 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Chicago for as low as $164 on momondo.

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

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

Cheap Chicago to Houston flight deals and tips

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

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Chicago to Houston takes 2h 40m
Direct flights go from Chicago to Houston every day.
There are 2 airports in Houston. From Chicago there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
  • How far is Chicago to Houston by plane?

    There are 941.3 mi between Chicago and Houston. A reasonable flight in good conditions will take 2h 40m.

  • When did momondo last update prices for flights from Chicago to Houston?

    Prices for flights from Chicago to Houston are updated daily.

  • How many operators does momondo search for flights from Chicago to Houston?

  • How old do you have to be to fly from Chicago to Houston?

    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.

  • What documentation or ID do you need to fly to Houston?

    The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chicago to Houston

Compare and see reviews for airlines that fly from Chicago to Houston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $67Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $74Free CancellationRating
6.3
8,210 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $130Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,017 reviews
Search Delta flights

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 provides multiple filters to help you find the best flight to Houston from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Houston from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 1/27
Tue 2/3

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