$52+ Cheap flights from Dallas to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Dallas to Illinois with Cheapflights
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Cheapest flights from Dallas to IllinoisExplore the most affordable flight options available from Dallas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Dallas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This Frontier deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Thu 6/43:30 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 5/16![Frontier logo]()
$122
This Trip.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Sat 6/207:19 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Sun 6/73:30 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 5/17![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:50 pm
DFW
- STL
Nonstop1h 59m
Frontier
Wed 7/223:34 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 5/16![Frontier logo]()
$128
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:50 pm
DFW
- STL
Nonstop1h 59m
Frontier
Mon 8/103:34 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 5/18![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:37 pm
DFW
- STL
Nonstop1h 57m
Frontier
Sat 6/277:19 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$132
This Gotogate deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Mon 7/63:34 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 5/15![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Mon 7/63:34 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 5/13![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Thu 6/187:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$135
This FlightHub deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:37 pm
DFW
- STL
Nonstop1h 57m
Frontier
Tue 6/307:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:43 pm
DFW
- ORD
Nonstop2h 44m
Frontier
Thu 7/309:28 am
ORD
- DFW
Nonstop2h 52m
Frontier
Deal found 5/18![Frontier logo]()
$143
This Super.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:25 pm
DFW
- ORD
Nonstop2h 43m
Frontier
Tue 8/189:34 pm
ORD
- DFW
Nonstop2h 45m
Frontier
Deal found 5/14![Frontier logo]()
$146
Best flights from Dallas to IllinoisDiscover carefully curated flight deals from Dallas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Dallas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:20 am
DAL
- STL
Nonstop1h 45m
Southwest
Sat 6/277:50 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 5/17![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:57 pm
DAL
- ORD
1 stop5h 49m
Delta
Tue 8/258:02 am
ORD
- DAL
1 stop5h 50m
Delta
Deal found 5/14![Delta logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:20 pm
DFW
- RFD
1 stop22h 03m
Multiple Airlines
Mon 8/37:50 pm
RFD
- DFW
1 stop11h 43m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:37 pm
DFW
- ORD
Nonstop2h 43m
United Airlines
Sun 5/317:15 am
ORD
- DFW
Nonstop2h 43m
United Airlines
Deal found 5/14![United Airlines logo]()
$343
This KAYAK deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:46 pm
DFW
- STL
Nonstop1h 51m
American Airlines
Thu 6/118:36 am
STL
- DFW
Nonstop2h 02m
American Airlines
Deal found 5/14![American Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:50 pm
DAL
- STL
Nonstop1h 45m
Southwest
Mon 6/229:50 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 5/17![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:33 pm
DAL
- ORD
1 stop5h 25m
Delta
Sat 8/158:02 am
ORD
- DAL
1 stop5h 50m
Delta
Deal found 5/14![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:05 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 6/225:05 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 5/17![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:20 pm
DFW
- RFD
1 stop13h 48m
Multiple Airlines
Mon 7/277:50 pm
RFD
- DFW
1 stop11h 43m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:01 pm
DAL
- ORD
1 stop5h 31m
Delta
Wed 7/89:45 am
ORD
- DAL
1 stop5h 18m
Delta
Deal found 5/17![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:20 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 6/295:05 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 5/17![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:09 am
DAL
- ORD
1 stop8h 07m
Delta
Tue 6/239:48 am
ORD
- DAL
1 stop5h 24m
Delta
Deal found 5/17![Delta logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:48 pm
DFW
- RFD
1 stop14h 49m
Multiple Airlines
Mon 6/157:53 pm
RFD
- DFW
1 stop11h 46m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:50 pm
DAL
- MDW
Nonstop2h 10m
Southwest
Tue 6/235:05 am
MDW
- DAL
Nonstop2h 15m
Southwest
Deal found 5/17![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:29 am
DFW
- MDW
1 stop7h 17m
Delta
Tue 6/309:17 am
MDW
- DFW
1 stop5h 15m
Delta
Deal found 5/14![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
DAL
- MDW
Nonstop2h 15m
Southwest
Wed 7/111:30 am
MDW
- DAL
Nonstop2h 15m
Southwest
Deal found 5/17![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:00 pm
DFW
- PIA
1 stop4h 59m
United Airlines
Wed 9/26:39 pm
PIA
- DFW
1 stop5h 01m
United Airlines
Deal found 5/17![United Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:11 pm
DFW
- RFD
1 stop22h 49m
Multiple Airlines
Mon 7/137:50 pm
RFD
- DFW
1 stop11h 43m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:00 am
DFW
- ORD
1 stop4h 37m
Delta
Sat 8/811:26 am
ORD
- DFW
2 stops10h 30m
Delta
Deal found 5/15![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:30 pm
DAL
- MDW
Nonstop2h 10m
Southwest
Sat 8/2210:05 am
MDW
- DAL
1 stop4h 00m
Southwest
Deal found 5/14![Southwest logo]()
$287
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:35 pm
DFW
- PIA
1 stop7h 03m
American Airlines
Mon 6/224:47 pm
PIA
- DFW
Nonstop2h 23m
American Airlines
Deal found 5/16![American Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 pm
DFW
- PIA
1 stop4h 45m
United Airlines
Thu 6/46:30 am
PIA
- DFW
1 stop6h 42m
United Airlines
Deal found 5/14![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:20 am
DFW
- ORD
1 stop5h 08m
Delta
Wed 7/228:52 am
ORD
- DFW
2 stops8h 24m
Delta
Deal found 5/17![Delta logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:24 pm
DFW
- RFD
2 stops18h 13m
Multiple Airlines
Wed 6/104:42 pm
RFD
- DFW
1 stop14h 24m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:05 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 9/285:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 5/15![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:18 am
DFW
- PIA
1 stop5h 20m
United Airlines
Mon 6/154:45 pm
PIA
- DFW
1 stop5h 46m
United Airlines
Deal found 5/14![United Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:50 pm
DFW
- BMI
Nonstop2h 02m
American Airlines
Tue 5/264:22 pm
BMI
- DFW
Nonstop2h 19m
American Airlines
Deal found 5/14![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:55 am
DFW
- ORD
2 stops9h 36m
Delta
Wed 7/811:20 am
ORD
- DFW
2 stops11h 01m
Delta
Deal found 5/17![Delta logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:20 pm
DFW
- RFD
1 stop22h 14m
Multiple Airlines
Sun 8/911:37 am
RFD
- DFW
1 stop9h 54m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:00 am
DAL
- STL
1 stop4h 35m
Southwest
Wed 7/225:25 am
STL
- DAL
1 stop5h 10m
Southwest
Deal found 5/14![Southwest logo]()
$296
Last-minute flights from Dallas to IllinoisDiscover last-minute flight deals from Dallas to Illinois. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Illinois. Data last updated May 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Thu 6/43:30 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 5/16![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3112:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Wed 6/107:04 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Sun 6/73:30 pm
STL
- DFW
Nonstop2h 06m
Frontier
Deal found 5/17![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:37 pm
DFW
- STL
Nonstop1h 57m
Frontier
Tue 6/167:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Wed 6/177:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Wed 6/177:46 pm
STL
- DFW
1 stop10h 02m
Frontier
Deal found 5/13![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Thu 6/187:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:49 pm
DFW
- MDW
Nonstop2h 26m
Frontier
Fri 6/194:10 pm
MDW
- DFW
Nonstop2h 43m
Frontier
Deal found 5/16![Frontier logo]()
$156
This Trip.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Sat 6/207:19 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:37 pm
DFW
- STL
Nonstop1h 57m
Frontier
Sat 6/277:19 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$132
This FlightHub deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:37 pm
DFW
- STL
Nonstop1h 57m
Frontier
Tue 6/307:03 pm
STL
- DFW
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$138
This Gotogate deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Mon 7/63:34 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 5/15![Frontier logo]()
$133
One-way flights from Dallas to IllinoisSearch for one-way flight options from Dallas to Illinois. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Dallas to Illinois. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Super.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Deal found 5/13![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:36 pm
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 5/15![Frontier logo]()
$56
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:53 pm
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 5/13![Frontier logo]()
$59
This Super.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:50 pm
DFW
- STL
Nonstop1h 59m
Frontier
Deal found 5/14![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Deal found 5/15![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:50 pm
DFW
- STL
Nonstop1h 59m
Frontier
Deal found 5/13![Frontier logo]()
$64
This Priceline deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:21 pm
DFW
- STL
Nonstop1h 57m
Frontier
Deal found 5/14![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:50 pm
DFW
- STL
Nonstop1h 59m
Frontier
Deal found 5/15![Frontier logo]()
$68
This Trip.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:55 am
DFW
- MDW
Nonstop2h 17m
Frontier
Deal found 5/16![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:02 pm
DFW
- ORD
Nonstop2h 51m
Frontier
Deal found 5/15![Frontier logo]()
$71
Find flight deals from Dallas to Illinois
Keep the following information in mind while searching for Dallas to Illinois flight deals. Data was last updated May 18, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $122 (Frontier) |
One-way from | $52 (Super.com) |
Popular in | May |
Cheapest in | October |
Average price | $263 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
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
Cheapest round-trip
Quickest round-trip
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Wed 6/24
10:20 am-12:05 pm
Nonstop1h 45m
Lambert-St Louis
Sat 6/27
7:50 pm-9:30 pm
Nonstop1h 40m
$261
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 6/18
10:50 pm-12:35 am
Nonstop1h 45m
Lambert-St Louis
Mon 6/22
9:50 pm-11:30 pm
Nonstop1h 40m
$276
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Sat 6/20
6:05 am-7:50 am
Nonstop1h 45m
Lambert-St Louis
Mon 6/22
5:05 am-6:45 am
Nonstop1h 40m
$276
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 6/25
7:20 am-9:05 am
Nonstop1h 45m
Lambert-St Louis
Mon 6/29
5:05 am-6:45 am
Nonstop1h 40m
$276
DallasChicago
DAL - MDW
DALMDW
Dallas Love Field
Tue 6/16
7:50 pm-10:00 pm
Nonstop2h 10m
Chicago Midway
Tue 6/23
5:05 am-7:20 am
Nonstop2h 15m
$281
DallasChicago
DAL - MDW
DALMDW
Dallas Love Field
Sat 6/27
6:00 am-8:15 am
Nonstop2h 15m
Chicago Midway
Wed 7/1
11:30 am-1:45 pm
Nonstop2h 15m
$281
DallasChicago
DAL - MDW
DALMDW
Dallas Love Field
Wed 8/19
6:30 pm-8:40 pm
Nonstop2h 10m
Chicago Midway
Sat 8/22
10:05 am-2:05 pm
1 stop4h 00m
$287
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Fri 9/25
10:05 am-11:50 am
Nonstop1h 45m
Lambert-St Louis
Mon 9/28
5:45 am-7:25 am
Nonstop1h 40m
$291
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Fri 7/17
9:00 am-1:35 pm
1 stop4h 35m
Lambert-St Louis
Wed 7/22
5:25 am-10:35 am
1 stop5h 10m
$296
DallasChicago
DAL - ORD
DALORD
Dallas Love Field
Sat 8/22
2:57 pm-8:46 pm
1 stop5h 49m
Chicago O'Hare Intl
Tue 8/25
8:02 am-1:52 pm
1 stop5h 50m
$301
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dallas to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Dallas with our price prediction graph.
DFW-STL
DFW-MDW
DFW-RFD
DAL-STL
DAL-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Dallas to Illinois
A78-USIL
DFW-STL
DFW-MDW
DFW-RFD
DAL-STL
How far ahead should I book a flight from Dallas to Illinois?
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Dallas to Illinois?
Currently, October is the cheapest month in which you can book a flight from Dallas to Illinois (average of $151). Flying from Dallas to Illinois in June is currently the most expensive (average of $302). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DFW to IL?
Find hourly flight availability from Dallas to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 18, 2026.
It’s optimal to fly from Dallas to Illinois in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Dallas to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Dallas to Illinois. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Dallas to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Dallas to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 18, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Dallas to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Dallas to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dallas to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dallas to Illinois by cabin class
Find flights from Dallas to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dallas and Illinois flights
Browse other Dallas and Illinois flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dallas to Illinois flights
Consider these flights traveling from Dallas to Illinois.
Top 8 airlines flying from Dallas to Illinois
Discover the top 8 airlines that operate flights from Dallas to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$73 | Average$151 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$105 | Average$209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$317 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$159 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$325 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$247 | FlexibilityNo cancel fee | On-time62% |