What is the cheapest airline that flies from Texas to Illinois?

Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Texas to Illinois

How long is the flight from Texas to Illinois?

The flight from Texas to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Dallas (a popular airport in Texas) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h 18m on average. If you fly from Houston (another popular airport in Texas) to Chicago O'Hare Intl Airport, then the average flight time is 2h 32m.

How many flights depart from Texas to Illinois on average per week?

As of February 2026, 1,096 flights take off from Texas and land in Illinois each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

How many flights depart from Texas to Illinois on average per day?

As of February 2026, 156 flights take off from Texas and land in Illinois each day. The most common flight departure time for this route is 1:00PM, with 43% of daily flights taking off in the afternoon.

What airlines fly to Illinois?

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Illinois from Texas according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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?

As of February 2026, there are 8 operators available to choose from 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.

$50 Cheap Flights from Texas to Illinois in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Texas to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:51 pm - 7:45 pm

IAH

ORD

2h 54mnonstop

5:15 am - 8:31 am

ORD

IAH

3h 16mnonstop

$77Frontier

Fri, Mar 6 - Mon, Mar 9

4:51 pm - 7:45 pm

IAH

ORD

2h 54mnonstop

5:15 am - 8:31 am

ORD

IAH

3h 16mnonstop

$78Frontier

Fri, Mar 6 - Mon, Mar 9

5:15 am - 7:54 am

IAH

ORD

2h 39mnonstop

8:59 am - 12:00 pm

ORD

IAH

3h 01mnonstop

$81Spirit Airlines

Thu, Feb 19 - Mon, Feb 23

3:37 pm - 6:18 pm

IAH

ORD

2h 41mnonstop

9:18 am - 12:24 pm

ORD

IAH

3h 06mnonstop

$82Spirit Airlines

Tue, Feb 24 - Wed, Feb 25

7:18 am - 7:11 pm

DFW

ORD

11h 53m

1 stop

4:28 pm - 7:29 pm

ORD

DFW

3h 01mnonstop

$83Multiple Airlines

Tue, Mar 3 - Wed, Mar 11

9:48 pm - 12:21 am

DFW

ORD

2h 33mnonstop

8:16 pm - 9:58 am

ORD

DFW

13h 42m

1 stop

$85Multiple Airlines

Sat, Mar 7 - Tue, Mar 10

9:00 am - 11:30 am

DAL

ORD

2h 30mnonstop

2:05 pm - 4:45 pm

ORD

DAL

2h 40mnonstop

$135Southwest

Sat, Apr 11 - Sat, May 2

2:15 pm - 4:40 pm

HOU

MDW

2h 25mnonstop

9:40 pm - 12:25 am

MDW

HOU

2h 45mnonstop

$145Southwest

Wed, Mar 4 - Sat, Mar 7

10:50 am - 4:51 pm

HOU

ORD

6h 01m

1 stop

2:46 pm - 10:28 pm

ORD

HOU

7h 42m

1 stop

$207Delta

Tue, Feb 24 - Wed, Mar 4

10:46 am - 6:48 pm

HOU

ORD

8h 02m

1 stop

9:50 am - 4:28 pm

ORD

HOU

6h 38m

1 stop

$211Delta

Sat, Apr 18 - Tue, Apr 21

Frontier flights from Texas to Illinois

Our best Frontier deals on Texas to Illinois flight tickets

Frontier

Mar 6

IAH1:43 pmHouston George Bush Intcntl

2h 30m

MDW4:13 pmChicago Midway

Mar 9

MDW10:00 amChicago Midway

2h 58m

IAH12:58 pmHouston George Bush Intcntl

$77

Frontier

Mar 6

IAH4:51 pmHouston George Bush Intcntl

2h 54m

ORD7:45 pmChicago O'Hare Intl

Mar 9

ORD5:15 amChicago O'Hare Intl

3h 16m

IAH8:31 amHouston George Bush Intcntl

$78

Frontier

Feb 20

IAH10:26 amHouston George Bush Intcntl

2h 54m

ORD1:20 pmChicago O'Hare Intl

Feb 23

ORD7:35 amChicago O'Hare Intl

3h 22m

IAH10:57 amHouston George Bush Intcntl

$79

Spirit Airlines flights from Texas to Illinois

Our best Spirit Airlines deals on Texas to Illinois flight tickets

Spirit Airlines

Feb 19

IAH5:15 amHouston George Bush Intcntl

2h 39m

ORD7:54 amChicago O'Hare Intl

Feb 23

ORD8:59 amChicago O'Hare Intl

3h 01m

IAH12:00 pmHouston George Bush Intcntl

$81

Spirit Airlines

Feb 26

IAH5:15 amHouston George Bush Intcntl

2h 39m

ORD7:54 amChicago O'Hare Intl

Mar 2

ORD7:00 amChicago O'Hare Intl

13h 23m

1 stop

IAH8:23 pmHouston George Bush Intcntl

$87

Spirit Airlines

Mar 4

AUS7:15 amAustin Bergstrom

11h 56m

1 stop

ORD7:11 pmChicago O'Hare Intl

Mar 10

ORD7:00 amChicago O'Hare Intl

13h 53m

1 stop

AUS8:53 pmAustin Bergstrom

$89

Fly from

Fly to

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 3/6

4:51 pm-7:45 pm

Nonstop2h 54m

Chicago O'Hare Intl

Mon 3/9

5:15 am-8:31 am

Nonstop3h 16m

$77

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 3/6

4:51 pm-7:45 pm

Nonstop2h 54m

Chicago O'Hare Intl

Mon 3/9

5:15 am-8:31 am

Nonstop3h 16m

$78

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 2/19

5:15 am-7:54 am

Nonstop2h 39m

Chicago O'Hare Intl

Mon 2/23

8:59 am-12:00 pm

Nonstop3h 01m

$81

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 2/24

3:37 pm-6:18 pm

Nonstop2h 41m

Chicago O'Hare Intl

Wed 2/25

9:18 am-12:24 pm

Nonstop3h 06m

$82

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 3/3

7:18 am-7:11 pm

1 stop11h 53m

Chicago O'Hare Intl

Wed 3/11

4:28 pm-7:29 pm

Nonstop3h 01m

$83

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 3/7

9:48 pm-12:21 am

Nonstop2h 33m

Chicago O'Hare Intl

Tue 3/10

8:16 pm-9:58 am

1 stop13h 42m

$85

DallasChicago

DAL - ORD

DALORD

Dallas Love Field

Sat 4/11

9:00 am-11:30 am

Nonstop2h 30m

Chicago O'Hare Intl

Sat 5/2

2:05 pm-4:45 pm

Nonstop2h 40m

$135

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 3/4

2:15 pm-4:40 pm

Nonstop2h 25m

Chicago Midway

Sat 3/7

9:40 pm-12:25 am

Nonstop2h 45m

$145

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 2/24

10:50 am-4:51 pm

1 stop6h 01m

Chicago O'Hare Intl

Wed 3/4

2:46 pm-10:28 pm

1 stop7h 42m

$207

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Sat 4/18

10:46 am-6:48 pm

1 stop8h 02m

Chicago O'Hare Intl

Tue 4/21

9:50 am-4:28 pm

1 stop6h 38m

$211

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Texas is in February. Flight prices, which tend to average around $144, 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 February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $169.

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 $255. Flights from Texas to Illinois on a Sunday will generally be more expensive and average around $914. 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 $226. Flights at noon are often more expensive with an average ticket price of $737.

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 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 $220 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 $164 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	$97
Fastest flight time	1h 40m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Illinois	98 airports

The best one-way flight to Illinois from Texas in the past 72 hours is $97. The best round-trip flight deal from Texas to Illinois found on momondo in the last 72 hours is $71.

The fastest flight from Texas to Illinois takes 1h 40m

Direct flights go from Texas to Illinois on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and American Airlines.

There are 98 airports in Illinois. From Texas there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

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?
As of February 2026, there are 8 operators available to choose from 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?
Based on momondo bookings for flights between Texas and Illinois, the leading plane model is Boeing 737-800, making up 13.84% of the total bookings. Other popular models include Airbus A321neo with 12.12%, Boeing 737 MAX 8 with 9.94%, and Airbus A320neo with 8.81%.

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
Spirit Airlines	PriceFrom $56	Free Cancellation	Rating 6.3 8,407 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $60	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Contour	PriceFrom $105	Free Cancellation	Rating 7.6 42 reviews	Search Contour flights
United Airlines	PriceFrom $135	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.2 11,218 reviews	Search American Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 3/5

Thu 3/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $49

Flights to Orlandofrom $49

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $42

Flights to Dallasfrom $51

Flights to Seattlefrom $73

Cheap flights from Texas to Illinois from $50

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 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Texas to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Texas to Illinois

Our best Frontier deals on Texas to Illinois flight tickets

Spirit Airlines flights from Texas to Illinois

Our best Spirit Airlines deals on Texas to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Texas to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Texas to Illinois

What is the cheapest month to fly to Illinois?

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

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 $226. Flights at noon are often more expensive with an average ticket price of $737.

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 to Illinois?

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.

What is the cheapest airline that flies from Texas to Illinois?

Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Texas to Illinois

What airlines fly to Illinois?

How many flights depart from Texas to Illinois on average per day?

As of February 2026, 156 flights take off from Texas and land in Illinois each day. The most common flight departure time for this route is 1:00PM, with 43% of daily flights taking off in the afternoon.

How many flights depart from Texas to Illinois on average per week?

As of February 2026, 1,096 flights take off from Texas and land in Illinois each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

How long is the flight from 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

Fastest flight time

Direct flights

Airports in Illinois

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo