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 38% 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.

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

As of October 2025, 604 flights take off from Texas and land in Illinois each week. The most common flight departure day for this route is Thu, with 42% of weekly flights taking off on this day.

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

Frontier, Spirit Airlines, and Southwest 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 26m.

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

As of October 2025, 86 flights take off from Texas and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 43% of daily flights taking off in the afternoon.

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 October 2025, there are 7 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.

$28 Cheap Flights from Texas to Illinois in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 am - 2:31 pmIAH-ORD

6h 32m1 stop

3:47 pm - 6:56 pmORD-IAH

3h 09mnonstop

$97Frontier

Find Deal

Wed, Dec 3 - Sun, Dec 7

8:49 am - 9:58 pmIAH-MDW

13h 09m1 stop

2:01 pm - 5:08 pmMDW-IAH

3h 07mnonstop

$97Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

3:46 pm - 6:25 amDFW-ORD

14h 39m1 stop

9:22 pm - 11:59 pmORD-DFW

2h 37mnonstop

$98Spirit Airlines

Find Deal

Thu, Nov 20 - Sat, Nov 22

12:10 pm - 2:48 pmIAH-ORD

2h 38mnonstop

9:14 pm - 11:59 pmORD-IAH

2h 45mnonstop

$101Spirit Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 10

9:30 am - 11:55 amDFW-ORD

2h 25mnonstop

5:05 am - 7:47 amORD-DFW

2h 42mnonstop

$117American Airlines

Find Deal

Wed, Jan 21 - Thu, Jan 22

8:30 pm - 10:55 pmHOU-MDW

2h 25mnonstop

6:15 am - 9:15 amMDW-HOU

3h 00mnonstop

$117Southwest

Find Deal

Tue, Jan 6 - Thu, Jan 8

10:35 am - 1:00 pmDAL-ORD

2h 25mnonstop

3:05 pm - 5:40 pmORD-DAL

2h 35mnonstop

$117Southwest

Find Deal

Sat, Jan 24 - Sat, Jan 24

7:00 am - 9:45 amAUS-ORD

2h 45mnonstop

11:10 am - 2:11 pmORD-AUS

3h 01mnonstop

$134United Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 10

2:05 pm - 4:50 pmAUS-ORD

2h 45mnonstop

12:45 pm - 3:45 pmORD-AUS

3h 00mnonstop

$139United Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

5:50 pm - 7:29 pmDFW-STL

1h 39mnonstop

6:44 pm - 8:44 pmSTL-DFW

2h 00mnonstop

$144American Airlines

Find Deal

Wed, Dec 17 - Thu, Jan 1

Frontier flights from Texas to Illinois

Our best Frontier deals on Texas to Illinois flight tickets

Frontier

Dec 3

IAH7:59 amHouston George Bush Intcntl

6h 32m

1 stop

ORD2:31 pmChicago O'Hare Intl

Dec 7

ORD3:47 pmChicago O'Hare Intl

3h 09m

IAH6:56 pmHouston George Bush Intcntl

$97

Find similar

Frontier

Nov 21

IAH10:22 amHouston George Bush Intcntl

2h 51m

ORD1:13 pmChicago O'Hare Intl

Nov 23

ORD6:30 amChicago O'Hare Intl

2h 57m

IAH9:27 amHouston George Bush Intcntl

$98

Find similar

Frontier

Nov 11

IAH5:28 pmHouston George Bush Intcntl

2h 46m

ORD8:14 pmChicago O'Hare Intl

Nov 13

ORD1:36 pmChicago O'Hare Intl

2h 57m

IAH4:33 pmHouston George Bush Intcntl

$99

Find similar

United Airlines flights from Texas to Illinois

Our best United Airlines deals on Texas to Illinois flight tickets

United Airlines

Dec 10

AUS7:00 amAustin Bergstrom

2h 45m

ORD9:45 amChicago O'Hare Intl

Dec 10

ORD11:10 amChicago O'Hare Intl

3h 01m

AUS2:11 pmAustin Bergstrom

$134

Find similar

United Airlines

Dec 3

AUS2:05 pmAustin Bergstrom

2h 45m

ORD4:50 pmChicago O'Hare Intl

Dec 6

ORD12:45 pmChicago O'Hare Intl

3h 00m

AUS3:45 pmAustin Bergstrom

$139

Find similar

United Airlines

Jan 11

AUS1:55 pmAustin Bergstrom

2h 50m

ORD4:45 pmChicago O'Hare Intl

Jan 18

ORD11:00 amChicago O'Hare Intl

3h 13m

AUS2:13 pmAustin Bergstrom

$174

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Fly from

Fly to

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 12/3

7:59 am-2:31 pm

1 stop6h 32m

Chicago O'Hare Intl

Sun 12/7

3:47 pm-6:56 pm

Nonstop3h 09m

$97

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Thu 12/4

8:49 am-9:58 pm

1 stop13h 09m

Chicago Midway

Sun 12/7

2:01 pm-5:08 pm

Nonstop3h 07m

$97

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 11/20

3:46 pm-6:25 am

1 stop14h 39m

Chicago O'Hare Intl

Sat 11/22

9:22 pm-11:59 pm

Nonstop2h 37m

$98

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 12/2

12:10 pm-2:48 pm

Nonstop2h 38m

Chicago O'Hare Intl

Wed 12/10

9:14 pm-11:59 pm

Nonstop2h 45m

$101

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Wed 1/21

9:30 am-11:55 am

Nonstop2h 25m

Chicago O'Hare Intl

Thu 1/22

5:05 am-7:47 am

Nonstop2h 42m

$117

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Tue 1/6

8:30 pm-10:55 pm

Nonstop2h 25m

Chicago Midway

Thu 1/8

6:15 am-9:15 am

Nonstop3h 00m

$117

DallasChicago

DAL - ORD

DALORD

Dallas Love Field

Sat 1/24

10:35 am-1:00 pm

Nonstop2h 25m

Chicago O'Hare Intl

Sat 1/24

3:05 pm-5:40 pm

Nonstop2h 35m

$117

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 12/10

7:00 am-9:45 am

Nonstop2h 45m

Chicago O'Hare Intl

Wed 12/10

11:10 am-2:11 pm

Nonstop3h 01m

$134

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Wed 12/3

2:05 pm-4:50 pm

Nonstop2h 45m

Chicago O'Hare Intl

Sat 12/6

12:45 pm-3:45 pm

Nonstop3h 00m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/17

5:50 pm-7:29 pm

Nonstop1h 39m

Lambert-St Louis

Thu 1/1

6:44 pm-8:44 pm

Nonstop2h 00m

$144

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 $140, 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 November is also cheap. Prices for this month can be found on momondo for an average of $174.

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

The cheapest day to depart from Texas to Illinois is on a Thursday when prices can be found for as low as $279. Flights from Texas to Illinois on a Sunday will generally be more expensive and average around $941. 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 $221. Flights at noon are often more expensive with an average ticket price of $849.

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 $146 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	$64
Fastest flight time	1h 39m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Texas in the past 72 hours is $64. The best round-trip flight deal from Texas to Illinois found on momondo in the last 72 hours is $132.

The fastest flight from Texas to Illinois takes 1h 39m

Direct flights go from Texas to Illinois every day.

There is 1 airport near Illinois: 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 October 2025, there are 7 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 12.72% of the total bookings. Other popular models include Airbus A320neo with 9.95%, Boeing 737 MAX 8 with 9.82%, and Airbus A319 with 8.31%.

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 $61	Free Cancellation	Rating 6.3 8,115 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $66	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
Contour	PriceFrom $109	Free Cancellation	Rating 7.5 40 reviews	Search Contour flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $157	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 7,999 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.

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Sat 11/29

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Find better results for your trip to Illinois

Popular cities in Illinois

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Flights to Seattlefrom $53

Cheap flights from Texas to Illinois from $28

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 11/24. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Texas to Illinois

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Frontier flights from Texas to Illinois

Our best Frontier deals on Texas to Illinois flight tickets

United Airlines flights from Texas to Illinois

Our best United Airlines deals on Texas to Illinois flight tickets

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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?

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 $221. Flights at noon are often more expensive with an average ticket price of $849.

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?

Frontier, Spirit Airlines, and Southwest 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 October 2025, 86 flights take off from Texas and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 43% of daily flights taking off in the afternoon.

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

As of October 2025, 604 flights take off from Texas and land in Illinois each week. The most common flight departure day for this route is Thu, with 42% 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