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Cheap flights from Texas to Illinois 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 Texas to Illinois departing on 9/13. 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 Texas to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$134Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$137Frontier
Sat, Aug 15 - Tue, Aug 18
Frontier Logo
3:48 pm - 5:44 pm
DFW
-
STL
1h 56mnonstop
Frontier Logo
6:41 pm - 8:46 pm
STL
-
DFW
2h 05mnonstop
$137Frontier
Thu, Sep 10 - Sun, Sep 13
Southwest Logo
4:05 pm - 6:30 pm
HOU
-
MDW
2h 25mnonstop
Southwest Logo
5:50 pm - 8:25 pm
MDW
-
HOU
2h 35mnonstop
$209Southwest
Tue, Jul 21 - Tue, Jul 28
Southwest Logo
8:50 pm - 11:10 pm
HOU
-
MDW
2h 20mnonstop
Southwest Logo
10:10 am - 2:00 pm
MDW
-
HOU
3h 50m
1 stop
$215Southwest
Wed, Aug 26 - Tue, Sep 1
Delta Logo
6:30 am - 1:09 pm
IAH
-
MDW
6h 39m
1 stop
Delta Logo
5:10 pm - 11:57 pm
MDW
-
IAH
6h 47m
1 stop
$229Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:17 pm - 11:53 pm
HOU
-
ORD
6h 36m
1 stop
Delta Logo
5:30 am - 12:16 pm
ORD
-
HOU
6h 46m
1 stop
$229Delta
Sat, Aug 1 - Wed, Aug 5
American Airlines Logo
3:27 pm - 6:35 pm
AUS
-
ORD
3h 08mnonstop
American Airlines Logo
5:00 am - 11:58 am
ORD
-
AUS
6h 58m
1 stop
$247American Airlines
Wed, Jul 15 - Tue, Jul 21
American Airlines Logo
6:14 am - 9:05 am
AUS
-
ORD
2h 51mnonstop
American Airlines Logo
9:16 pm - 11:59 pm
ORD
-
AUS
2h 43mnonstop
$249American Airlines
Tue, Jun 30 - Wed, Jul 8
United Airlines Logo
1:00 pm - 3:55 pm
AUS
-
ORD
2h 55mnonstop
United Airlines Logo
11:00 am - 1:58 pm
ORD
-
AUS
2h 58mnonstop
$253United Airlines
Mon, Aug 17 - Sat, Aug 22

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Frontier flights from Texas to Illinois

Our best Frontier deals on Texas to Illinois flight tickets
Frontier
Aug 27
IAH9:52 pmHouston George Bush Intcntl
2h 50m
ORD12:42 amChicago O'Hare Intl
Aug 31
ORD5:29 pmChicago O'Hare Intl
3h 28m
IAH8:57 pmHouston George Bush Intcntl
$134
Frontier
Aug 15
IAH9:42 pmHouston George Bush Intcntl
2h 51m
ORD12:33 amChicago O'Hare Intl
Aug 18
ORD5:29 pmChicago O'Hare Intl
3h 28m
IAH8:57 pmHouston George Bush Intcntl
$137
Frontier
Jul 19
IAH9:58 pmHouston George Bush Intcntl
2h 51m
ORD12:49 amChicago O'Hare Intl
Jul 22
ORD5:46 pmChicago O'Hare Intl
3h 17m
IAH9:03 pmHouston George Bush Intcntl
$138

United Airlines flights from Texas to Illinois

Our best United Airlines deals on Texas to Illinois flight tickets
United Airlines
Jun 30
AUS3:37 pmAustin Bergstrom
3h 02m
ORD6:39 pmChicago O'Hare Intl
Jul 1
ORD7:58 pmChicago O'Hare Intl
2h 56m
AUS10:54 pmAustin Bergstrom
$261
United Airlines
Jun 30
AUS1:01 pmAustin Bergstrom
2h 56m
ORD3:57 pmChicago O'Hare Intl
Jul 1
ORD7:35 amChicago O'Hare Intl
5h 37m
1 stop
AUS1:12 pmAustin Bergstrom
$271
United Airlines
Aug 8
AUS5:20 amAustin Bergstrom
5h 00m
1 stop
ORD10:20 amChicago O'Hare Intl
Aug 10
ORD7:00 amChicago O'Hare Intl
2h 56m
AUS9:56 amAustin Bergstrom
$275

momondo Fare Finder

 
Customize your flight search to find flights from Texas to Illinois 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 21, 2026.
Use the filters below to find and compare flights from Texas to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/27

9:52 pm-12:42 am

Nonstop2h 50m

Chicago O'Hare Intl

Mon 8/31

5:29 pm-8:57 pm

Nonstop3h 28m

$134

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 8/15

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Tue 8/18

5:29 pm-8:57 pm

Nonstop3h 28m

$137
Quickest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 9/10

3:48 pm-5:44 pm

Nonstop1h 56m

Lambert-St Louis

Sun 9/13

6:41 pm-8:46 pm

Nonstop2h 05m

$137

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Tue 7/21

4:05 pm-6:30 pm

Nonstop2h 25m

Chicago Midway

Tue 7/28

5:50 pm-8:25 pm

Nonstop2h 35m

$209

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 8/26

8:50 pm-11:10 pm

Nonstop2h 20m

Chicago Midway

Tue 9/1

10:10 am-2:00 pm

1 stop3h 50m

$215

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Tue 7/14

6:30 am-1:09 pm

1 stop6h 39m

Chicago Midway

Tue 7/21

5:10 pm-11:57 pm

1 stop6h 47m

$229

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Sat 8/1

5:17 pm-11:53 pm

1 stop6h 36m

Chicago O'Hare Intl

Wed 8/5

5:30 am-12:16 pm

1 stop6h 46m

$229

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 7/15

3:27 pm-6:35 pm

Nonstop3h 08m

Chicago O'Hare Intl

Tue 7/21

5:00 am-11:58 am

1 stop6h 58m

$247

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 6/30

6:14 am-9:05 am

Nonstop2h 51m

Chicago O'Hare Intl

Wed 7/8

9:16 pm-11:59 pm

Nonstop2h 43m

$249

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Mon 8/17

1:00 pm-3:55 pm

Nonstop2h 55m

Chicago O'Hare Intl

Sat 8/22

11:00 am-1:58 pm

Nonstop2h 58m

$253

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 Illinois from

How to get the cheapest flight ticket from Texas to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Texas is in October. Flight prices, which tend to average around $206, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $215.

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

The cheapest day to depart from Texas to Illinois is on a Friday when prices can be found for as low as $264. Flights from Texas to Illinois on a Sunday will generally be more expensive and average around $547. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Texas to Illinois during this time can be as low as $236. Flights in the afternoon are often more expensive with an average ticket price of $514.

What is the cheapest Texas to Illinois flight route?

Fly from Dallas/Fort Worth to Chicago Midway for the best Texas - Illinois flight prices

How far in advance should I book a flight from Texas to Illinois?

You are more likely to see cheaper flights to Illinois from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $252 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Texas for as low as $176 on momondo.

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

There are 4 cabin classes available to choose from on Texas to Illinois 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 Texas to Illinois flights?

No. A direct flight is the cheapest option for a flight between Texas to Illinois.

Cheap Texas to Illinois flight deals and tips

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

Best Price Found

$105

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Texas in the past 72 hours is $105. The best round-trip flight deal from Texas to Illinois found on momondo in the last 72 hours is $199.
The fastest flight from Texas to Illinois takes 1h 40m
Direct flights go from Texas to Illinois every day.
There are 98 airports in Illinois. From Texas there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Texas to Illinois

  • When did momondo last update prices for flights from Texas to Illinois?

    Prices for flights from Texas to Illinois are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Texas to Illinois.

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

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Texas to Illinois?

Best airlines flying from Texas to Illinois

Compare and see reviews for airlines that fly from Texas to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.6
2,875 reviews
Search Frontier flights
ContourPriceFrom $105Free CancellationRating
7.7
42 reviews
Search Contour flights
SouthwestPriceFrom $143Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,873 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,736 reviews
Search American Airlines flights
DeltaPriceFrom $162Free CancellationRating
7.8
8,421 reviews
Search Delta flights
JetBluePriceFrom $195Free CancellationRating
7.1
2,993 reviews
Search JetBlue flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Texas to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Texas to Illinois with flexible booking policies on momondo?

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

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

Once all potential Texas to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Illinois from Texas 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.

An easier way to manage your Illinois trip

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