$53+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Aug 17 — Aug 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 July 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 July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Tue 9/293:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Fri 10/210:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/17![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/276:17 am
DFW
- STL
1 stop11h 05m
Frontier
Mon 8/316:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/16![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 10/78:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Mon 10/126:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/17![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/91:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Fri 8/144:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/17![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/17![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/133:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/17![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sun 8/235:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/17![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Sun 10/46:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/18![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/206:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/18![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/104:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/15![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/104:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/16![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/1310:00 am
DFW
- ORD
1 stop9h 53m
Frontier
Tue 8/181:59 pm
ORD
- DFW
1 stop8h 32m
Frontier
Deal found 7/16![Frontier logo]()
$186
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 July 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 July 18, 2026.
This Southwest deal was found by Cheapflights users on 7/14. 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 8/54:10 pm
DAL
- STL
Nonstop1h 45m
Southwest
Tue 8/118:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/14![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 7/14. 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 8/156:45 am
DFW
- STL
1 stop7h 48m
Delta
Tue 8/183:50 pm
STL
- DFW
1 stop6h 41m
Delta
Deal found 7/14![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:15 am
DFW
- STL
1 stop4h 55m
United Airlines
Fri 9/115:30 pm
STL
- DFW
1 stop5h 05m
United Airlines
Deal found 7/15![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/610:23 pm
DFW
- RFD
1 stop22h 11m
Multiple Airlines
Mon 8/106:26 pm
RFD
- DFW
1 stop13h 07m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$290
This Contour deal was found by Cheapflights users on 7/15. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:30 am
DFW
- ORD
1 stop4h 25m
Contour
Thu 8/2711:15 am
ORD
- DFW
1 stop6h 15m
Contour
Deal found 7/15![Contour logo]()
$314
This Southwest deal was found by Cheapflights users on 7/14. 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.
Thu 9/105:20 pm
DAL
- STL
1 stop4h 45m
Southwest
Mon 9/145:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/14![Southwest logo]()
$207
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:10 pm
DFW
- PIA
Nonstop2h 09m
American Airlines
Tue 8/187:11 am
PIA
- DFW
Nonstop2h 19m
American Airlines
Deal found 7/18![American Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:10 am
DFW
- STL
1 stop6h 23m
Delta
Sat 8/296:20 am
STL
- DFW
1 stop7h 11m
Delta
Deal found 7/16![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/17. 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 9/53:05 pm
DAL
- STL
Nonstop1h 45m
Southwest
Mon 9/75:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/17![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:10 am
DFW
- STL
1 stop6h 23m
Delta
Mon 8/103:50 pm
STL
- DFW
1 stop6h 41m
Delta
Deal found 7/13![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:10 pm
DAL
- STL
1 stop4h 45m
Southwest
Tue 9/18:25 am
STL
- DAL
1 stop4h 40m
Southwest
Deal found 7/16![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:35 am
DAL
- STL
1 stop5h 25m
Southwest
Mon 9/75:15 am
STL
- DAL
1 stop3h 55m
Southwest
Deal found 7/16![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:45 am
DFW
- STL
1 stop6h 55m
United Airlines
Tue 8/188:00 am
STL
- DFW
2 stops9h 51m
United Airlines
Deal found 7/13![United Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 8/14:56 pm
DFW
- RFD
1 stop17h 41m
Multiple Airlines
Thu 8/611:37 am
RFD
- DFW
1 stop9h 46m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am
DFW
- STL
1 stop5h 21m
Delta
Sun 11/87:20 pm
STL
- DFW
1 stop4h 44m
Delta
Deal found 7/16![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:15 am
DFW
- STL
1 stop4h 55m
United Airlines
Wed 9/910:53 am
STL
- DFW
2 stops10h 45m
United Airlines
Deal found 7/15![United Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 7/14. 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.
Tue 8/119:10 am
DAL
- STL
Nonstop1h 45m
Southwest
Fri 8/147:40 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/14![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/1310:23 pm
DFW
- RFD
1 stop22h 11m
Multiple Airlines
Mon 8/176:26 pm
RFD
- DFW
2 stops21h 34m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 am
DFW
- STL
1 stop5h 21m
Delta
Sun 10/256:00 am
STL
- DFW
1 stop5h 21m
Delta
Deal found 7/18![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 7/15. 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 10/165:20 pm
DAL
- STL
Nonstop1h 45m
Southwest
Mon 10/195:10 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/15![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/207:00 am
DFW
- RFD
1 stop8h 09m
Multiple Airlines
Sun 8/239:35 pm
RFD
- DFW
2 stops23h 44m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:40 pm
DAL
- STL
Nonstop1h 45m
Southwest
Fri 8/146:40 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/13![Southwest logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/277:00 am
DFW
- RFD
1 stop8h 09m
Multiple Airlines
Sun 8/309:35 pm
RFD
- DFW
2 stops23h 44m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:30 am
DFW
- STL
1 stop5h 21m
Delta
Sun 10/115:28 pm
STL
- DFW
1 stop6h 36m
Delta
Deal found 7/13![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:15 pm
DFW
- BMI
Nonstop2h 04m
American Airlines
Sat 8/224:49 pm
BMI
- DFW
Nonstop2h 16m
American Airlines
Deal found 7/17![American Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 7/15. 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 8/2810:05 am
DAL
- STL
1 stop4h 30m
Southwest
Tue 9/18:35 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/15![Southwest logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 9/37:00 am
DFW
- RFD
1 stop8h 03m
Multiple Airlines
Sun 9/69:29 pm
RFD
- DFW
1 stop8h 19m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 7/15. 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.
Sat 8/152:57 pm
DAL
- ORD
1 stop5h 58m
Delta
Thu 8/209:54 am
ORD
- DAL
1 stop5h 05m
Delta
Deal found 7/15![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:43 pm
DFW
- PIA
1 stop7h 25m
American Airlines
Sun 9/205:28 pm
PIA
- DFW
1 stop6h 09m
American Airlines
Deal found 7/13![American Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:15 am
DFW
- PIA
1 stop6h 16m
United Airlines
Sat 12/53:30 pm
PIA
- DFW
2 stops7h 33m
United Airlines
Deal found 7/16![United Airlines logo]()
$438
Last-minute flights from Dallas to IllinoisDiscover last-minute flight deals from Dallas to Illinois. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Illinois. Data last updated July 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/104:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/15![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Fri 8/74:57 pm
STL
- DFW
1 stop19h 33m
Frontier
Deal found 7/15![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/104:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/16![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/610:00 am
DFW
- STL
1 stop7h 37m
Frontier
Thu 8/133:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/16![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Fri 8/710:00 am
DFW
- STL
1 stop22h 57m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/16![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/17![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sun 8/91:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Fri 8/144:57 pm
STL
- DFW
1 stop23h 10m
Frontier
Deal found 7/17![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/17![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/1310:00 am
DFW
- ORD
1 stop9h 53m
Frontier
Tue 8/181:59 pm
ORD
- DFW
1 stop8h 32m
Frontier
Deal found 7/16![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/1310:00 am
DFW
- ORD
1 stop9h 53m
Frontier
Wed 8/197:05 am
ORD
- DFW
1 stop8h 55m
Frontier
Deal found 7/15![Frontier logo]()
$187
This Priceline deal was found by Cheapflights users on 7/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/205:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/18![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/276:17 am
DFW
- STL
1 stop11h 05m
Frontier
Mon 8/316:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/16![Frontier logo]()
$131
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 July 18, 2026.
Search for one-way flight options from Dallas to Illinois. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Super.com deal was found by Cheapflights users on 7/14. 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.
Tue 8/111:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/14![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 7/13. 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.
Thu 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/13![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 7/14. 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.
Thu 10/153:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/14![Frontier logo]()
$56
This Trip.com deal was found by Cheapflights users on 7/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:00 am
DFW
- STL
1 stop7h 22m
Frontier
Deal found 7/14![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/158:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/15![Frontier logo]()
$63
This Expedia deal was found by Cheapflights users on 7/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/14![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Fri 9/118:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/14![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:13 am
DFW
- STL
1 stop26h 44m
Frontier
Deal found 7/13![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 7/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/18![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Mon 8/246:17 am
DFW
- STL
1 stop11h 05m
Frontier
Deal found 7/17![Frontier logo]()
$73
This Southwest deal was found by Cheapflights users on 7/14. 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.
Sat 8/157:45 am
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/14![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 8/86:13 am
DFW
- ORD
1 stop13h 40m
Frontier
Deal found 7/15![Frontier logo]()
$99
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 July 18, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $130 (Kiwi.com) |
One-way from | $53 (Super.com) |
Popular in | June |
Cheapest in | October |
Average price | $262 |
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 July 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
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Wed 8/5
4:10 pm-5:55 pm
Nonstop1h 45m
Lambert-St Louis
Tue 8/11
8:45 pm-10:25 pm
Nonstop1h 40m
$197
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 9/10
5:20 pm-10:05 pm
1 stop4h 45m
Lambert-St Louis
Mon 9/14
5:45 am-7:25 am
Nonstop1h 40m
$207
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Sat 9/5
3:05 pm-4:50 pm
Nonstop1h 45m
Lambert-St Louis
Mon 9/7
5:45 am-7:25 am
Nonstop1h 40m
$211
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Sat 8/15
6:45 am-2:33 pm
1 stop7h 48m
Lambert-St Louis
Tue 8/18
3:50 pm-10:31 pm
1 stop6h 41m
$217
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Wed 8/26
8:10 am-2:33 pm
1 stop6h 23m
Lambert-St Louis
Sat 8/29
6:20 am-1:31 pm
1 stop7h 11m
$217
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Thu 8/6
8:10 am-2:33 pm
1 stop6h 23m
Lambert-St Louis
Mon 8/10
3:50 pm-10:31 pm
1 stop6h 41m
$217
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Tue 8/25
1:10 pm-5:55 pm
1 stop4h 45m
Lambert-St Louis
Tue 9/1
8:25 am-1:05 pm
1 stop4h 40m
$217
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 9/3
6:35 am-12:00 pm
1 stop5h 25m
Lambert-St Louis
Mon 9/7
5:15 am-9:10 am
1 stop3h 55m
$217
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Tue 8/11
9:10 am-10:55 am
Nonstop1h 45m
Lambert-St Louis
Fri 8/14
7:40 am-9:20 am
Nonstop1h 40m
$237
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Fri 10/16
5:20 pm-7:05 pm
Nonstop1h 45m
Lambert-St Louis
Mon 10/19
5:10 am-6:50 am
Nonstop1h 40m
$237
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
DAL-STL
DFW-ORD
DFW-RFD
DFW-PIA
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
DAL-STL
DFW-ORD
DFW-RFD
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 $193). Flying from Dallas to Illinois in June is currently the most expensive (average of $352). 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 July 18, 2026.
It’s optimal to fly from Dallas to Illinois in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Dallas to Illinois
Explore weekly flight availability from Dallas to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 18, 2026.
The most flights from A78 to USIL are scheduled on a Saturday (91 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (71 on average).
How much does it cost to fly round-trip from Dallas to Illinois?
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 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 July 11, 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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 18, 2026.
See what other customers who have flown with Southwest,Contour, andUnited 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.
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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
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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 July 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 7 airlines flying from Dallas to Illinois
Discover the top 7 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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$194 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$333 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$163 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$247 | FlexibilityNo cancel fee | On-time62% |