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Cheap flights from Illinois to Houston from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Houston departing on 12/3. 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
0 bags

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Cheap round-trip flights

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Frontier Logo
2:01 pm - 5:08 pmMDW-IAH
3h 07mnonstop
Frontier Logo
6:45 am - 8:02 pmIAH-MDW
13h 17m1 stop
$98Frontier
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Fri, Jan 9 - Sun, Jan 11
Frontier Logo
5:05 am - 5:10 pmORD-IAH
12h 05m1 stop
Frontier Logo
6:58 pm - 9:54 pmIAH-ORD
2h 56mnonstop
$98Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
2:01 pm - 5:08 pmMDW-IAH
3h 07mnonstop
Multiple Airlines Logo
4:15 pm - 11:25 pmIAH-MDW
7h 10m1 stop
$101Multiple Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 22
Multiple Airlines Logo
5:16 am - 2:03 pmORD-IAH
8h 47m1 stop
Multiple Airlines Logo
11:40 am - 2:19 pmIAH-ORD
2h 39mnonstop
$101Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Feb 1
Spirit Airlines Logo
10:27 am - 10:41 pmORD-IAH
12h 14m1 stop
Spirit Airlines Logo
11:40 am - 2:19 pmIAH-ORD
2h 39mnonstop
$105Spirit Airlines
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Sat, Jan 10 - Sun, Jan 11
Spirit Airlines Logo
7:41 pm - 7:04 amORD-IAH
11h 23m1 stop
Spirit Airlines Logo
5:43 pm - 8:09 pmIAH-ORD
2h 26mnonstop
$106Spirit Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 6
Southwest Logo
7:55 pm - 10:40 pmMDW-HOU
2h 45mnonstop
Southwest Logo
5:05 am - 7:25 amHOU-MDW
2h 20mnonstop
$117Southwest
Find Deal
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
7:40 pm - 10:42 pmORD-IAH
3h 02mnonstop
American Airlines Logo
8:00 am - 10:46 amIAH-ORD
2h 46mnonstop
$145American Airlines
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Fri, Jan 16 - Sat, Jan 24
Southwest Logo
7:00 am - 9:40 amMDW-HOU
2h 40mnonstop
Southwest Logo
10:20 am - 12:45 pmHOU-MDW
2h 25mnonstop
$157Southwest
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Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
3:55 pm - 10:46 pmPIA-HOU
6h 51m1 stop
American Airlines Logo
6:00 am - 10:39 amHOU-PIA
4h 39m1 stop
$249American Airlines
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Sun, Jan 11 - Sun, Jan 18

Southwest flights from Illinois to Houston

Our best Southwest deals on Illinois to Houston flight tickets
Southwest
Jan 23
MDW7:55 pmChicago Midway
2h 45m
HOU10:40 pmHouston Hobby
Jan 25
HOU5:05 amHouston Hobby
2h 20m
MDW7:25 amChicago Midway
$117
Find similar
Southwest
Dec 10
MDW7:00 amChicago Midway
2h 40m
HOU9:40 amHouston Hobby
Dec 17
HOU10:20 amHouston Hobby
2h 25m
MDW12:45 pmChicago Midway
$157
Find similar
Southwest
Feb 19
ORD1:45 pmChicago O'Hare Intl
6h 40m
1 stop
HOU8:25 pmHouston Hobby
Feb 26
HOU7:00 amHouston Hobby
5h 15m
1 stop
ORD12:15 pmChicago O'Hare Intl
$177
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Delta flights from Illinois to Houston

Our best Delta deals on Illinois to Houston flight tickets
Delta
Jan 22
ORD11:18 amChicago O'Hare Intl
4h 54m
1 stop
HOU4:12 pmHouston Hobby
Feb 1
HOU11:09 amHouston Hobby
7h 40m
1 stop
ORD6:49 pmChicago O'Hare Intl
$197
Find similar
Delta
Nov 27
ORD5:08 pmChicago O'Hare Intl
5h 59m
1 stop
HOU11:07 pmHouston Hobby
Dec 2
HOU10:39 amHouston Hobby
4h 41m
1 stop
ORD3:20 pmChicago O'Hare Intl
$198
Find similar
Delta
Nov 18
ORD6:45 amChicago O'Hare Intl
6h 43m
1 stop
HOU1:28 pmHouston Hobby
Dec 3
HOU10:39 amHouston Hobby
6h 03m
1 stop
ORD4:42 pmChicago O'Hare Intl
$273
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momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 November 10, 2025.
Use the filters below to find and compare flights from Illinois to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 1/9

2:01 pm-5:08 pm

Nonstop3h 07m

Houston George Bush Intcntl

Sun 1/11

6:45 am-8:02 pm

1 stop13h 17m

$98

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 1/9

5:05 am-5:10 pm

1 stop12h 05m

Houston George Bush Intcntl

Sun 1/11

6:58 pm-9:54 pm

Nonstop2h 56m

$98

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Mon 1/12

2:01 pm-5:08 pm

Nonstop3h 07m

Houston George Bush Intcntl

Thu 1/22

4:15 pm-11:25 pm

1 stop7h 10m

$101

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 1/22

5:16 am-2:03 pm

1 stop8h 47m

Houston George Bush Intcntl

Sun 2/1

11:40 am-2:19 pm

Nonstop2h 39m

$101

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 1/10

10:27 am-10:41 pm

1 stop12h 14m

Houston George Bush Intcntl

Sun 1/11

11:40 am-2:19 pm

Nonstop2h 39m

$105

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 12/5

7:41 pm-7:04 am

1 stop11h 23m

Houston George Bush Intcntl

Sat 12/6

5:43 pm-8:09 pm

Nonstop2h 26m

$106

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Fri 1/23

7:55 pm-10:40 pm

Nonstop2h 45m

Houston Hobby

Sun 1/25

5:05 am-7:25 am

Nonstop2h 20m

$117

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 1/16

7:40 pm-10:42 pm

Nonstop3h 02m

Houston George Bush Intcntl

Sat 1/24

8:00 am-10:46 am

Nonstop2h 46m

$145

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Wed 12/10

7:00 am-9:40 am

Nonstop2h 40m

Houston Hobby

Wed 12/17

10:20 am-12:45 pm

Nonstop2h 25m

$157

PeoriaHouston

PIA - HOU

PIAHOU

Greater Peoria

Sun 1/11

3:55 pm-10:46 pm

1 stop6h 51m

Houston Hobby

Sun 1/18

6:00 am-10:39 am

1 stop4h 39m

$249

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 Illinois 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 cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Illinois, with most prices found around $177. The month of January is another great option to travel to Houston, with average flight prices from Illinois averaging around $178.

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

On average, the least expensive day to fly to Houston from Illinois is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $349. 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 $603.

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

Our data shows that the cheapest Illinois 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 $272. 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 Illinois to Houston flight route?

Fly from Chicago Midway to Houston George Bush Intcntl for the best Illinois - 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 Illinois 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 Illinois for as low as $171 on momondo.

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

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

Cheap Illinois to Houston flight deals and tips

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

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Illinois to Houston takes 2h 10m
Direct flights go from Illinois to Houston every day.
There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)
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  • When did momondo last update prices for flights from Illinois to Houston?

    Prices for flights from Illinois to Houston were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Houston.

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

    The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Houston

Compare and see reviews for airlines that fly from Illinois to Houston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $66Free CancellationRating
5.8
3,111 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $77Free CancellationRating
6.3
8,131 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $154Free CancellationRating
7.4
9,011 reviews
Search United Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Illinois 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 Illinois to Houston with flexible booking policies on momondo?

Flights from Illinois to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Illinois to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Houston from Illinois 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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