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

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

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

As of March 2026, there are 725 flights per week flying from Dallas to Illinois. The most common day of the week flights depart is Tue, with 19% of flights taking off on this day.

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 43% 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.

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

The number of flights available between Dallas and Illinois is 103 per day as of March 2026. The most frequent departure time is 12:00PM, with 48% of daily flights leaving in the afternoon.

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 7 operators available for flights from Dallas to Illinois as of March 2026.

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.

$48 Cheap Flights from Dallas to Illinois in 2026

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Find the cheapest flights from Dallas to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 12:39 pm

DFW

ORD

2h 39mnonstop

5:19 pm - 8:19 pm

ORD

DFW

3h 00mnonstop

$89Frontier

Wed, Apr 8 - Sat, Apr 11

11:55 am - 2:12 pm

DFW

MDW

2h 17mnonstop

3:07 pm - 5:50 pm

MDW

DFW

2h 43mnonstop

$89Frontier

Tue, May 5 - Tue, May 12

9:53 pm - 12:23 am

DFW

ORD

2h 30mnonstop

3:27 pm - 6:31 pm

ORD

DFW

3h 04mnonstop

$90Frontier

Thu, Apr 9 - Tue, Apr 14

12:50 pm - 12:27 am

DFW

ORD

11h 37m

1 stop

4:03 pm - 6:38 pm

ORD

DFW

2h 35mnonstop

$96Spirit Airlines

Sat, May 9 - Tue, May 12

8:45 am - 11:10 am

DAL

ORD

2h 25mnonstop

11:55 am - 2:25 pm

ORD

DAL

2h 30mnonstop

$159Southwest

Wed, Apr 22 - Wed, Apr 29

7:35 pm - 9:45 pm

DAL

MDW

2h 10mnonstop

11:35 am - 2:00 pm

MDW

DAL

2h 25mnonstop

$159Southwest

Wed, Apr 22 - Wed, Apr 29

3:09 pm - 5:08 pm

DFW

PIA

1h 59mnonstop

12:24 pm - 2:42 pm

PIA

DFW

2h 18mnonstop

$333American Airlines

Sat, May 16 - Sat, May 23

5:15 pm - 11:37 pm

DFW

PIA

6h 22m

1 stop

4:46 pm - 7:09 pm

PIA

DFW

2h 23mnonstop

$343American Airlines

Sat, May 16 - Sat, May 23

5:15 am - 12:57 pm

DFW

PIA

7h 42m

2 stops

5:33 pm - 10:26 pm

PIA

DFW

4h 53m

1 stop

$358United Airlines

Sat, May 16 - Sat, May 23

7:00 am - 12:36 pm

DFW

PIA

5h 36m

1 stop

8:50 am - 5:03 pm

PIA

DFW

8h 13m

1 stop

$375United Airlines

Sat, Apr 18 - Sat, Apr 25

Spirit Airlines flights from Dallas to Illinois

Our best Spirit Airlines deals on Dallas to Illinois flight tickets

Spirit Airlines

May 9

DFW12:50 pmDallas/Fort Worth

11h 37m

1 stop

ORD12:27 amChicago O'Hare Intl

May 12

ORD4:03 pmChicago O'Hare Intl

2h 35m

DFW6:38 pmDallas/Fort Worth

$96

Spirit Airlines

May 6

DFW7:30 amDallas/Fort Worth

2h 25m

ORD9:55 amChicago O'Hare Intl

May 13

ORD4:03 pmChicago O'Hare Intl

2h 35m

DFW6:38 pmDallas/Fort Worth

$99

Spirit Airlines

May 1

DFW5:45 amDallas/Fort Worth

2h 20m

ORD8:05 amChicago O'Hare Intl

May 2

ORD9:44 pmChicago O'Hare Intl

2h 37m

DFW12:21 amDallas/Fort Worth

$103

Frontier flights from Dallas to Illinois

Our best Frontier deals on Dallas to Illinois flight tickets

Frontier

Apr 8

DFW10:00 amDallas/Fort Worth

2h 39m

ORD12:39 pmChicago O'Hare Intl

Apr 11

ORD5:19 pmChicago O'Hare Intl

3h 00m

DFW8:19 pmDallas/Fort Worth

$89

Frontier

Apr 9

DFW9:53 pmDallas/Fort Worth

2h 30m

ORD12:23 amChicago O'Hare Intl

Apr 14

ORD3:27 pmChicago O'Hare Intl

3h 04m

DFW6:31 pmDallas/Fort Worth

$90

Frontier

May 12

DFW11:55 amDallas/Fort Worth

2h 17m

MDW2:12 pmChicago Midway

May 15

MDW3:07 pmChicago Midway

2h 43m

DFW5:50 pmDallas/Fort Worth

$91

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Wed 4/8

10:00 am-12:39 pm

Nonstop2h 39m

Chicago O'Hare Intl

Sat 4/11

5:19 pm-8:19 pm

Nonstop3h 00m

$89

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Tue 5/5

11:55 am-2:12 pm

Nonstop2h 17m

Chicago Midway

Tue 5/12

3:07 pm-5:50 pm

Nonstop2h 43m

$89

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 4/9

9:53 pm-12:23 am

Nonstop2h 30m

Chicago O'Hare Intl

Tue 4/14

3:27 pm-6:31 pm

Nonstop3h 04m

$90

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 5/9

12:50 pm-12:27 am

1 stop11h 37m

Chicago O'Hare Intl

Tue 5/12

4:03 pm-6:38 pm

Nonstop2h 35m

$96

DallasChicago

DAL - ORD

DALORD

Dallas Love Field

Wed 4/22

8:45 am-11:10 am

Nonstop2h 25m

Chicago O'Hare Intl

Wed 4/29

11:55 am-2:25 pm

Nonstop2h 30m

$159

DallasChicago

DAL - MDW

DALMDW

Dallas Love Field

Wed 4/22

7:35 pm-9:45 pm

Nonstop2h 10m

Chicago Midway

Wed 4/29

11:35 am-2:00 pm

Nonstop2h 25m

$159

Quickest round-trip

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

Sat 5/16

3:09 pm-5:08 pm

Nonstop1h 59m

Greater Peoria

Sat 5/23

12:24 pm-2:42 pm

Nonstop2h 18m

$333

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

Sat 5/16

5:15 pm-11:37 pm

1 stop6h 22m

Greater Peoria

Sat 5/23

4:46 pm-7:09 pm

Nonstop2h 23m

$343

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

Sat 5/16

5:15 am-12:57 pm

2 stops7h 42m

Greater Peoria

Sat 5/23

5:33 pm-10:26 pm

1 stop4h 53m

$358

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

Sat 4/18

7:00 am-12:36 pm

1 stop5h 36m

Greater Peoria

Sat 4/25

8:50 am-5:03 pm

1 stop8h 13m

$375

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 October. Flight prices, which tend to average around $171, 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 January is also cheap. Prices for this month can be found on momondo for an average of $172.

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

The cheapest day to depart from Dallas to Illinois is on a Friday when prices can be found for as low as $251. Flights from Dallas to Illinois on a Sunday will generally be more expensive and average around $817. 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 $223. Flights at noon are often more expensive with an average ticket price of $642.

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 $231 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 $168 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	98 airports

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

Direct flights go from Dallas to Illinois every day.

There are 98 airports in Illinois. From Dallas there are direct flights to 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 7 operators available for flights from Dallas to Illinois as of March 2026.
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
Frontier	PriceFrom $64	Free Cancellation	Rating 5.7 3,017 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $64	Free Cancellation	Rating 6.3 8,534 reviews	Search Spirit Airlines flights
Contour	PriceFrom $89	Free Cancellation	Rating 7.6 42 reviews	Search Contour flights
Southwest	PriceFrom $145	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights
United Airlines	PriceFrom $154	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights
American Airlines	PriceFrom $157	Free Cancellation	Rating 7.1 11,492 reviews	Search American 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.