$36+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Sep 2 — Sep 91
Round-trip
1 adult, Economy
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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 August 3, 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 August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/177:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Mon 9/212:29 pm
STL
- DFW
1 stop28h 14m
Frontier
Deal found 7/31![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 8/2. 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 10/83:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sun 10/116:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 8/2![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/30. 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 10/17:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Sun 10/410:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 8/2. 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 8/252:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/275:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 8/2![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 8/3. 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 9/12:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 9/85:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 8/3![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/288:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Tue 11/310:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 8/2![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/316:17 am
DFW
- STL
1 stop11h 05m
Frontier
Wed 9/302:29 pm
STL
- DFW
1 stop16h 31m
Frontier
Deal found 8/1![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 7/31. 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 8/252:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 9/16:45 pm
STL
- DFW
1 stop11h 03m
Frontier
Deal found 7/31![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/177:48 pm
DFW
- STL
1 stop17h 22m
Frontier
Sun 9/2010:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 8/2![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 7/30. 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 11/53:58 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sun 11/86:49 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/30![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/30. 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
Thu 9/35:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/30![Frontier logo]()
$133
This Southwest deal was found by Cheapflights users on 7/29. 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 8/267:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Wed 9/212:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/29![Southwest logo]()
$163
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 August 3, 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 August 3, 2026.
This Delta deal was found by Cheapflights users on 7/30. 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 10/66:12 am
DAL
- STL
1 stop4h 39m
Delta
Tue 10/65:35 pm
STL
- DAL
1 stop5h 04m
Delta
Deal found 7/30![Delta logo]()
$183
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2010:05 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 8/248:30 am
STL
- DAL
1 stop3h 50m
Southwest
Deal found 7/29![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/173:01 pm
DFW
- MDW
Nonstop2h 21m
Frontier
Wed 8/196:05 am
MDW
- DFW
1 stop9h 55m
Frontier
Deal found 7/29![Frontier logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/45:40 pm
DFW
- STL
1 stop5h 19m
United Airlines
Sun 9/610:53 am
STL
- DFW
1 stop5h 44m
United Airlines
Deal found 8/1![United Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/99:54 pm
DFW
- RFD
2 stops17h 09m
Multiple Airlines
Sun 9/133:53 pm
RFD
- DFW
1 stop5h 28m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/76:35 pm
DFW
- PIA
1 stop5h 24m
American Airlines
Tue 11/106:00 am
PIA
- DFW
1 stop5h 51m
American Airlines
Deal found 7/29![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/29. 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 8/195:20 am
DFW
- STL
1 stop4h 34m
Delta
Thu 8/2012:52 pm
STL
- DFW
1 stop7h 02m
Delta
Deal found 7/29![Delta logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:51 pm
DFW
- ORD
1 stop23h 31m
Alaska Airlines
Tue 9/152:18 pm
ORD
- DFW
1 stop22h 24m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2212:20 pm
DAL
- STL
1 stop3h 05m
Southwest
Mon 8/246:40 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/29![Southwest logo]()
$203
This Delta deal was found by Cheapflights users on 7/29. 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 8/206:45 am
DFW
- STL
1 stop5h 01m
Delta
Tue 8/255:34 pm
STL
- DFW
1 stop4h 57m
Delta
Deal found 7/29![Delta logo]()
$200
This Southwest deal was found by Cheapflights users on 8/3. 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 9/2410:05 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 9/285:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 8/3![Southwest logo]()
$213
This Southwest deal was found by Cheapflights users on 8/2. 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 10/283:45 pm
DAL
- STL
Nonstop1h 45m
Southwest
Tue 11/34:15 pm
STL
- DAL
Nonstop1h 45m
Southwest
Deal found 8/2![Southwest logo]()
$213
This United Airlines deal was found by Cheapflights users on 8/2. 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 11/2310:39 am
DFW
- STL
1 stop5h 04m
United Airlines
Fri 11/276:15 am
STL
- DFW
1 stop4h 56m
United Airlines
Deal found 8/2![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/3. 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.
Mon 8/2410:05 am
DAL
- STL
Nonstop1h 45m
Southwest
Thu 8/275:45 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 8/3![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/810:27 pm
DFW
- RFD
1 stop13h 00m
Multiple Airlines
Sun 10/111:12 pm
RFD
- DFW
1 stop5h 02m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 7/30. 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 12/248:10 am
DFW
- STL
1 stop4h 47m
Delta
Tue 12/2911:51 am
STL
- DFW
1 stop6h 50m
Delta
Deal found 7/30![Delta logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/309:35 pm
RFD
- DFW
2 stops23h 44m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/2. 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 9/11:00 pm
DAL
- STL
1 stop4h 50m
Southwest
Tue 9/88:35 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 8/2![Southwest logo]()
$223
This United Airlines deal was found by Cheapflights users on 8/1. 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 11/255:25 pm
DFW
- STL
1 stop5h 01m
United Airlines
Fri 11/276:15 am
STL
- DFW
1 stop4h 56m
United Airlines
Deal found 8/1![United Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/309:54 pm
DFW
- RFD
2 stops16h 32m
Multiple Airlines
Sun 10/41:56 pm
RFD
- DFW
1 stop7h 25m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/36:45 am
DFW
- ORD
Nonstop2h 33m
United Airlines
Mon 9/77:05 am
ORD
- DFW
Nonstop2h 41m
United Airlines
Deal found 7/30![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/31. 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 10/86:00 am
DAL
- STL
1 stop5h 00m
Southwest
Mon 10/125:50 pm
STL
- DAL
1 stop5h 40m
Southwest
Deal found 7/31![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 10/45:30 am
DFW
- STL
1 stop5h 25m
Delta
Sun 10/46:54 pm
STL
- DFW
1 stop5h 03m
Delta
Deal found 7/30![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 7/30. 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 10/26:00 am
DAL
- STL
1 stop3h 40m
Southwest
Tue 10/61:25 pm
STL
- DAL
1 stop3h 10m
Southwest
Deal found 7/30![Southwest logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/237:00 am
DFW
- RFD
2 stops32h 03m
Multiple Airlines
Sun 9/279:29 pm
RFD
- DFW
1 stop8h 12m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 7/31. 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 9/238:30 am
DAL
- STL
1 stop4h 10m
Southwest
Sat 9/268:25 am
STL
- DAL
1 stop6h 00m
Southwest
Deal found 7/31![Southwest logo]()
$233
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/151:49 pm
DFW
- BMI
Nonstop2h 05m
American Airlines
Sat 9/194:24 pm
BMI
- DFW
Nonstop2h 21m
American Airlines
Deal found 8/3![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/105:45 am
DFW
- STL
2 stops9h 53m
United Airlines
Sat 9/128:00 am
STL
- DFW
2 stops8h 05m
United Airlines
Deal found 7/29![United Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/309:54 pm
DFW
- RFD
2 stops16h 32m
Multiple Airlines
Sat 10/38:58 pm
RFD
- DFW
1 stop14h 14m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 8/312:57 pm
DAL
- ORD
1 stop5h 58m
Delta
Thu 9/39:54 am
ORD
- DAL
1 stop7h 49m
Delta
Deal found 7/29![Delta logo]()
$317
Last-minute flights from Dallas to IllinoisDiscover last-minute flight deals from Dallas to Illinois. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Illinois. Data last updated August 3, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/3. 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 8/252:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/275:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 8/3![Frontier logo]()
$122
This Trip.com deal was found by Cheapflights users on 7/31. 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 8/252:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 9/16:45 pm
STL
- DFW
1 stop11h 03m
Frontier
Deal found 7/31![Frontier logo]()
$129
This Southwest deal was found by Cheapflights users on 7/29. 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 8/267:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Wed 9/212:45 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/29![Southwest logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/30. 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
Thu 9/35:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/30![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/316:17 am
DFW
- STL
1 stop11h 05m
Frontier
Wed 9/302:29 pm
STL
- DFW
1 stop16h 31m
Frontier
Deal found 8/1![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/12:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Fri 9/46:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/30![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 8/3. 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 9/12:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 9/85:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 8/3![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/84:16 pm
DFW
- STL
1 stop20h 54m
Frontier
Mon 9/142:29 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 8/3![Frontier logo]()
$126
This Southwest deal was found by Cheapflights users on 7/30. 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 9/92:40 pm
DAL
- STL
Nonstop1h 45m
Southwest
Thu 9/103:45 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/30![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/177:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Mon 9/212:29 pm
STL
- DFW
1 stop28h 14m
Frontier
Deal found 7/31![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/177:48 pm
DFW
- STL
1 stop17h 22m
Frontier
Thu 9/2410:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 8/3![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/177:48 pm
DFW
- STL
1 stop17h 22m
Frontier
Sun 9/2010:20 am
STL
- DFW
Nonstop1h 56m
Frontier
Deal found 8/2![Frontier logo]()
$130
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 August 3, 2026.
Search for one-way flight options from Dallas to Illinois. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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 9/12:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/31![Frontier logo]()
$36
This Priceline deal was found by Cheapflights users on 8/3. 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 9/137:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 8/3![Frontier logo]()
$49
This Frontier deal was found by Cheapflights users on 7/30. 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 10/17:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 7/30![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/24:16 pm
DFW
- STL
1 stop25h 06m
Frontier
Deal found 8/2![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/3110:00 am
DFW
- STL
1 stop7h 22m
Frontier
Deal found 7/31![Frontier logo]()
$57
This Super.com deal was found by Cheapflights users on 8/2. 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 9/107:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 8/2![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/298:39 am
DFW
- STL
1 stop25h 01m
Frontier
Deal found 7/31![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/318:55 pm
DFW
- STL
1 stop13h 45m
Frontier
Deal found 7/31![Frontier logo]()
$65
This Southwest deal was found by Cheapflights users on 7/30. 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 9/294:10 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$82
This Southwest deal was found by Cheapflights users on 7/29. 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 10/209:40 am
DAL
- STL
2 stops5h 30m
Southwest
Deal found 7/29![Southwest logo]()
$97
This Southwest deal was found by Cheapflights users on 7/30. 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 8/293:05 pm
DAL
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/54:16 pm
DFW
- ORD
1 stop15h 37m
Frontier
Deal found 8/3![Frontier logo]()
$103
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 August 3, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $117 (Kiwi.com) |
One-way from | $36 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $230 |
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 August 3, 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
Tue 10/6
6:12 am-10:51 am
1 stop4h 39m
Lambert-St Louis
Tue 10/6
5:35 pm-10:39 pm
1 stop5h 04m
$183
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Wed 8/19
5:20 am-9:54 am
1 stop4h 34m
Lambert-St Louis
Thu 8/20
12:52 pm-7:54 pm
1 stop7h 02m
$200
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Thu 8/20
6:45 am-11:46 am
1 stop5h 01m
Lambert-St Louis
Tue 8/25
5:34 pm-10:31 pm
1 stop4h 57m
$200
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 8/20
10:05 am-11:50 am
Nonstop1h 45m
Lambert-St Louis
Mon 8/24
8:30 am-12:20 pm
1 stop3h 50m
$203
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Sat 8/22
12:20 pm-3:25 pm
1 stop3h 05m
Lambert-St Louis
Mon 8/24
6:40 pm-8:15 pm
Nonstop1h 35m
$203
Quickest round-trip
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 9/24
10:05 am-11:50 am
Nonstop1h 45m
Lambert-St Louis
Mon 9/28
5:45 am-7:25 am
Nonstop1h 40m
$213
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Wed 10/28
3:45 pm-5:30 pm
Nonstop1h 45m
Lambert-St Louis
Tue 11/3
4:15 pm-6:00 pm
Nonstop1h 45m
$213
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Mon 8/24
10:05 am-11:50 am
Nonstop1h 45m
Lambert-St Louis
Thu 8/27
5:45 am-7:25 am
Nonstop1h 40m
$213
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Tue 9/1
1:00 pm-5:50 pm
1 stop4h 50m
Lambert-St Louis
Tue 9/8
8:35 am-10:15 am
Nonstop1h 40m
$223
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 10/8
6:00 am-11:00 am
1 stop5h 00m
Lambert-St Louis
Mon 10/12
5:50 pm-11:30 pm
1 stop5h 40m
$233
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.
DAL-STL
DFW-MDW
DFW-STL
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
DAL-STL
DFW-MDW
DFW-STL
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 $194). 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 August 3, 2026.
It’s optimal to fly from Dallas to Illinois in the evening. By choosing this option you can save up to 10% 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 August 3, 2026.
The most flights from A78 to USIL are scheduled on a Sunday (89 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Dallas to Illinois?
Airfare is typical for this route at the moment.
Dallas to Illinois flights typically cost between $179 and $330 in August.The cheapest round-trip price found within the last 5 days was $187 on Frontier (Aug 24-Aug 27).
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 August 1, 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.
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 August 3, 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
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 August 3, 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 August 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$347 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$166 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$471 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$181 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$247 | FlexibilityNo cancel fee | On-time62% |