What airlines fly to Illinois?

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Dallas according to our data. Frontier is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Dallas to Illinois

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

The number of flights available between Dallas and Illinois is 40 per day as of October 2025. The most frequent departure time is 2:00PM, with 48% of daily flights leaving in the afternoon.

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

As of October 2025, there are 283 flights per week flying from Dallas to Illinois. The most common day of the week flights depart is Fri, with 37% of flights taking off on this day.

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

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

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

There are 6 operators available for flights from Dallas to Illinois as of October 2025.

How old do you have to be to fly from Dallas to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to Illinois.

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

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$28 Cheap Flights from Dallas 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.

7:27 pm - 10:07 pmDFW-ORD

2h 40mnonstop

1:24 pm - 10:54 pmORD-DFW

9h 30m1 stop

$96Frontier

Find Deal

Fri, Dec 5 - Sat, Dec 6

6:05 am - 5:27 pmDFW-ORD

11h 22m1 stop

9:47 am - 12:43 pmORD-DFW

2h 56mnonstop

$97Frontier

Find Deal

Thu, Dec 11 - Sun, Dec 14

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

1:22 pm - 3:47 pmDFW-ORD

2h 25mnonstop

7:20 am - 9:58 amORD-DFW

2h 38mnonstop

$102Spirit Airlines

Find Deal

Fri, Dec 12 - Wed, Dec 17

10:35 am - 1:00 pmDAL-ORD

2h 25mnonstop

2:15 pm - 4:55 pmORD-DAL

2h 40mnonstop

$117Southwest

Find Deal

Sat, Jan 24 - Mon, Jan 26

2:35 pm - 4:45 pmDAL-MDW

2h 10mnonstop

7:40 am - 10:15 amMDW-DAL

2h 35mnonstop

$117Southwest

Find Deal

Fri, Jan 9 - Sun, Jan 11

2:54 pm - 4:34 pmDFW-STL

1h 40mnonstop

7:00 am - 9:16 amSTL-DFW

2h 16mnonstop

$139American Airlines

Find Deal

Wed, Dec 10 - Tue, Dec 16

9:07 pm - 10:47 pmDFW-STL

1h 40mnonstop

7:00 am - 9:16 amSTL-DFW

2h 16mnonstop

$199American Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

12:25 pm - 5:52 pmDFW-DEC

5h 27m1 stop

9:42 am - 3:22 pmDEC-DFW

5h 40m1 stop

$314United Airlines

Find Deal

Thu, Dec 4 - Wed, Sep 23

12:25 pm - 5:52 pmDFW-DEC

5h 27m1 stop

9:42 am - 9:28 pmDEC-DFW

11h 46m2 stops

$324United Airlines

Find Deal

Thu, Dec 4 - Wed, Sep 23

Spirit Airlines flights from Dallas to Illinois

Our best Spirit Airlines deals on Dallas to Illinois flight tickets

Spirit Airlines

Nov 20

DFW3:46 pmDallas/Fort Worth

14h 39m

1 stop

ORD6:25 amChicago O'Hare Intl

Nov 22

ORD9:22 pmChicago O'Hare Intl

2h 37m

DFW11:59 pmDallas/Fort Worth

$98

Find similar

Spirit Airlines

Dec 12

DFW1:22 pmDallas/Fort Worth

2h 25m

ORD3:47 pmChicago O'Hare Intl

Dec 17

ORD7:20 amChicago O'Hare Intl

2h 38m

DFW9:58 amDallas/Fort Worth

$102

Find similar

Spirit Airlines

Jan 8

DFW6:50 amDallas/Fort Worth

10h 14m

1 stop

ORD5:04 pmChicago O'Hare Intl

Jan 11

ORD10:05 pmChicago O'Hare Intl

2h 29m

DFW12:34 amDallas/Fort Worth

$116

Find similar

Frontier flights from Dallas to Illinois

Our best Frontier deals on Dallas to Illinois flight tickets

Frontier

Dec 5

DFW7:27 pmDallas/Fort Worth

2h 40m

ORD10:07 pmChicago O'Hare Intl

Dec 6

ORD1:24 pmChicago O'Hare Intl

9h 30m

1 stop

DFW10:54 pmDallas/Fort Worth

$96

Find similar

Frontier

Dec 11

DFW6:05 amDallas/Fort Worth

11h 22m

1 stop

ORD5:27 pmChicago O'Hare Intl

Dec 14

ORD9:47 amChicago O'Hare Intl

2h 56m

DFW12:43 pmDallas/Fort Worth

$97

Find similar

Frontier

Nov 12

DFW10:24 pmDallas/Fort Worth

2h 35m

ORD12:59 amChicago O'Hare Intl

Nov 13

ORD6:00 amChicago O'Hare Intl

12h 44m

1 stop

DFW6:44 pmDallas/Fort Worth

$98

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 12/5

7:27 pm-10:07 pm

Nonstop2h 40m

Chicago O'Hare Intl

Sat 12/6

1:24 pm-10:54 pm

1 stop9h 30m

$96

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 12/11

6:05 am-5:27 pm

1 stop11h 22m

Chicago O'Hare Intl

Sun 12/14

9:47 am-12:43 pm

Nonstop2h 56m

$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

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 12/12

1:22 pm-3:47 pm

Nonstop2h 25m

Chicago O'Hare Intl

Wed 12/17

7:20 am-9:58 am

Nonstop2h 38m

$102

DallasChicago

DAL - ORD

DALORD

Dallas Love Field

Sat 1/24

10:35 am-1:00 pm

Nonstop2h 25m

Chicago O'Hare Intl

Mon 1/26

2:15 pm-4:55 pm

Nonstop2h 40m

$117

DallasChicago

DAL - MDW

DALMDW

Dallas Love Field

Fri 1/9

2:35 pm-4:45 pm

Nonstop2h 10m

Chicago Midway

Sun 1/11

7:40 am-10:15 am

Nonstop2h 35m

$117

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/10

2:54 pm-4:34 pm

Nonstop1h 40m

Lambert-St Louis

Tue 12/16

7:00 am-9:16 am

Nonstop2h 16m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 12/5

9:07 pm-10:47 pm

Nonstop1h 40m

Lambert-St Louis

Mon 12/8

7:00 am-9:16 am

Nonstop2h 16m

$199

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 12/4

12:25 pm-5:52 pm

1 stop5h 27m

Decatur Arpt

Wed 9/23

9:42 am-3:22 pm

1 stop5h 40m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 12/4

12:25 pm-5:52 pm

1 stop5h 27m

Decatur Arpt

Wed 9/23

9:42 am-9:28 pm

2 stops11h 46m

$324

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 Dallas 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 Dallas 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 Dallas to Illinois is on a Thursday when prices can be found for as low as $279. Flights from Dallas 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 Dallas 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 Dallas to Illinois flight route?

Fly from Dallas/Fort Worth to Chicago Midway for the best Dallas - 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 Dallas 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 Dallas for as low as $146 on momondo.

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

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

Cheap Dallas to Illinois flight deals and tips

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

Fastest flight time	1h 40m
Direct flights	Every day
Airports in Illinois	1 airport

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

Direct flights go from Dallas 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 Dallas to Illinois?
Prices for flights from Dallas to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Dallas to Illinois?
There are 6 operators available for flights from Dallas to Illinois as of October 2025.
How old do you have to be to fly from Dallas to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Dallas to Illinois

Compare and see reviews for airlines that fly from Dallas to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $61	Free Cancellation	Rating 6.3 8,117 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $66	Free Cancellation	Rating 5.8 3,124 reviews	Search Frontier flights
Contour	PriceFrom $109	Free Cancellation	Rating 7.5 40 reviews	Search Contour flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
United Airlines	PriceFrom $157	Free Cancellation	Rating 7.4 8,995 reviews	Search United Airlines flights

Why use momondo?

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

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

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

Flights from Dallas to Illinois 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 Dallas to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Dallas.

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

Yes. momondo can track prices for Dallas to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $49

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Flights to Orlandofrom $47

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Flights to Washington, D.C.from $40

Flights to Bostonfrom $60

Flights to Atlantafrom $47

Flights to Dallasfrom $49

Flights to Seattlefrom $48

Cheap flights from Dallas 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 Dallas 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

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Find the cheapest flights from Dallas to Illinois

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Spirit Airlines flights from Dallas to Illinois

Our best Spirit Airlines deals on Dallas to Illinois flight tickets

Frontier flights from Dallas to Illinois

Our best Frontier deals on Dallas to Illinois flight tickets

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How to get the cheapest flight ticket from Dallas 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 Dallas 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 Dallas to Illinois flight route?

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

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

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

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

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

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Dallas to Illinois

What airlines fly to Illinois?

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

The number of flights available between Dallas and Illinois is 40 per day as of October 2025. The most frequent departure time is 2:00PM, with 48% of daily flights leaving in the afternoon.

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

As of October 2025, there are 283 flights per week flying from Dallas to Illinois. The most common day of the week flights depart is Fri, with 37% of flights taking off on this day.

Cheap Dallas to Illinois flight deals and tips

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

Fastest flight time

Direct flights

Airports in Illinois

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

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

How old do you have to be to fly from Dallas to Illinois?

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

Best airlines flying from Dallas to Illinois

Compare and see reviews for airlines that fly from Dallas to Illinois with momondo

Why use momondo?

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

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

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

I’m not ready to book a flight from Dallas 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