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Cheap flights from Dallas to Illinois from $29

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 10/9. 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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0 bags

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Find the cheapest flights from Dallas to Illinois

Cheap round-trip flights

Frontier Logo
7:30 am - 9:22 amDFW-STL
1h 52mnonstop
Frontier Logo
10:17 am - 12:14 pmSTL-DFW
1h 57mnonstop
$102Frontier
Find Deal
qui, out 16 - dom, out 19
Frontier Logo
10:25 pm - 9:06 amDFW-STL
10h 41m1 stop
Frontier Logo
10:39 am - 12:29 pmSTL-DFW
1h 50mnonstop
$110Frontier
Find Deal
sex, set 12 - dom, set 14
Spirit Airlines Logo
7:20 am - 9:44 amDFW-ORD
2h 24mnonstop
Spirit Airlines Logo
3:11 pm - 5:42 pmORD-DFW
2h 31mnonstop
$121Spirit Airlines
Find Deal
ter, dez 9 - sex, dez 12
Spirit Airlines Logo
6:47 pm - 9:15 pmDFW-ORD
2h 28mnonstop
Spirit Airlines Logo
3:11 pm - 5:42 pmORD-DFW
2h 31mnonstop
$128Spirit Airlines
Find Deal
seg, dez 8 - qui, dez 11
American Airlines Logo
9:07 pm - 10:50 pmDFW-STL
1h 43mnonstop
American Airlines Logo
8:50 am - 10:46 amSTL-DFW
1h 56mnonstop
$139American Airlines
Find Deal
ter, set 16 - ter, set 23
Southwest Logo
2:45 pm - 4:35 pmDAL-STL
1h 50mnonstop
Southwest Logo
6:35 pm - 8:15 pmSTL-DAL
1h 40mnonstop
$139Southwest
Find Deal
ter, set 16 - ter, set 23
American Airlines Logo
7:20 am - 9:14 amDFW-STL
1h 54mnonstop
American Airlines Logo
7:16 am - 9:14 amSTL-DFW
1h 58mnonstop
$154American Airlines
Find Deal
sáb, set 13 - sáb, set 20
Southwest Logo
3:55 pm - 5:45 pmDAL-STL
1h 50mnonstop
Southwest Logo
6:00 pm - 7:40 pmSTL-DAL
1h 40mnonstop
$154Southwest
Find Deal
sáb, set 13 - sáb, set 20
United Airlines Logo
1:45 pm - 10:15 pmDFW-PIA
8h 30m2 stops
United Airlines Logo
3:55 pm - 10:56 pmPIA-DFW
7h 01m2 stops
$386United Airlines
Find Deal
ter, set 2 - seg, set 22
United Airlines Logo
12:24 pm - 4:43 pmDFW-PIA
4h 19m1 stop
United Airlines Logo
10:49 am - 6:27 pmPIA-DFW
7h 38m1 stop
$415United Airlines
Find Deal
qua, set 3 - ter, set 9

Spirit Airlines flights from Dallas to Illinois

Our best Spirit Airlines deals on Dallas to Illinois flight tickets
Spirit Airlines
Dec 9
DFW7:20 amDallas/Fort Worth
2h 24m
ORD9:44 amChicago O'Hare Intl
Dec 12
ORD3:11 pmChicago O'Hare Intl
2h 31m
DFW5:42 pmDallas/Fort Worth
$121
Find similar
Spirit Airlines
Dec 8
DFW6:47 pmDallas/Fort Worth
2h 28m
ORD9:15 pmChicago O'Hare Intl
Dec 11
ORD3:11 pmChicago O'Hare Intl
2h 31m
DFW5:42 pmDallas/Fort Worth
$128
Find similar
Spirit Airlines
Oct 9
DFW9:05 amDallas/Fort Worth
2h 28m
ORD11:33 amChicago O'Hare Intl
Oct 13
ORD3:36 pmChicago O'Hare Intl
2h 36m
DFW6:12 pmDallas/Fort Worth
$140
Find similar

Frontier flights from Dallas to Illinois

Our best Frontier deals on Dallas to Illinois flight tickets
Frontier
Oct 16
DFW7:30 amDallas/Fort Worth
1h 52m
STL9:22 amLambert-St Louis
Oct 19
STL10:17 amLambert-St Louis
1h 57m
DFW12:14 pmDallas/Fort Worth
$102
Find similar
Frontier
Sep 12
DFW10:25 pmDallas/Fort Worth
10h 41m
1 stop
STL9:06 amLambert-St Louis
Sep 14
STL10:39 amLambert-St Louis
1h 50m
DFW12:29 pmDallas/Fort Worth
$110
Find similar
Frontier
Aug 28
DFW7:25 amDallas/Fort Worth
1h 53m
STL9:18 amLambert-St Louis
Aug 31
STL10:17 amLambert-St Louis
1h 56m
DFW12:13 pmDallas/Fort Worth
$111
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas 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 agosto 18, 2025.
Use the filters below to find and compare flights from Dallas to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

qui 10/16

7:30 am-9:22 am

Nonstop1h 52m

Lambert-St Louis

dom 10/19

10:17 am-12:14 pm

Nonstop1h 57m

$102

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sex 9/12

10:25 pm-9:06 am

1 stop10h 41m

Lambert-St Louis

dom 9/14

10:39 am-12:29 pm

Nonstop1h 50m

$110

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

ter 12/9

7:20 am-9:44 am

Nonstop2h 24m

Chicago O'Hare Intl

sex 12/12

3:11 pm-5:42 pm

Nonstop2h 31m

$121

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

seg 12/8

6:47 pm-9:15 pm

Nonstop2h 28m

Chicago O'Hare Intl

qui 12/11

3:11 pm-5:42 pm

Nonstop2h 31m

$128

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

ter 9/16

9:07 pm-10:50 pm

Nonstop1h 43m

Lambert-St Louis

ter 9/23

8:50 am-10:46 am

Nonstop1h 56m

$139

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

ter 9/16

2:45 pm-4:35 pm

Nonstop1h 50m

Lambert-St Louis

ter 9/23

6:35 pm-8:15 pm

Nonstop1h 40m

$139

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sáb 9/13

7:20 am-9:14 am

Nonstop1h 54m

Lambert-St Louis

sáb 9/20

7:16 am-9:14 am

Nonstop1h 58m

$154

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

sáb 9/13

3:55 pm-5:45 pm

Nonstop1h 50m

Lambert-St Louis

sáb 9/20

6:00 pm-7:40 pm

Nonstop1h 40m

$154

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

ter 9/2

1:45 pm-10:15 pm

2 stops8h 30m

Greater Peoria

seg 9/22

3:55 pm-10:56 pm

2 stops7h 01m

$386

DallasPeoria

DFW - PIA

DFWPIA

Dallas/Fort Worth

qua 9/3

12:24 pm-4:43 pm

1 stop4h 19m

Greater Peoria

ter 9/9

10:49 am-6:27 pm

1 stop7h 38m

$415

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 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?

The cheapest month to fly to Illinois from Dallas is in February. Flight prices, which tend to average around $141, 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 September is also cheap. Prices for this month can be found on momondo for an average of $147.

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 $276. Flights from Dallas to Illinois on a Sunday will generally be more expensive and average around $906. 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 $225. Flights at noon are often more expensive with an average ticket price of $730.

What is the cheapest Dallas to Illinois flight route?

Fly from Dallas Love Field 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 $212 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 $162 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

Best Price Found

$29

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Dallas in the past 72 hours is $29. The best round-trip flight deal from Dallas to Illinois found on momondo in the last 72 hours is $102.
The fastest flight from Dallas to Illinois takes 1h 40m
Direct flights go from Dallas to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), 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?

  • 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
FrontierPriceFrom $57Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $59Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
ContourPriceFrom $134Free CancellationRating
6.9
33 reviews
Search Contour flights
SouthwestPriceFrom $147Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $160Free CancellationRating
7.4
8,925 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.

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