$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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Aug 26 — Sep 21
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 July 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/131:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/174:57 pm
STL
- DFW
1 stop23h 03m
Frontier
Deal found 7/23![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2010:00 am
DFW
- STL
1 stop7h 22m
Frontier
Mon 8/246:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/22![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 7/22. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/123:58 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sat 11/1410:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/25![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/2710:00 am
DFW
- STL
1 stop7h 22m
Frontier
Fri 8/286:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/82:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Wed 9/92:29 pm
STL
- DFW
1 stop16h 31m
Frontier
Deal found 7/25![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/123:58 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 11/1610:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/25![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 7/22. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/63:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/173:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Sun 9/206:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/22![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 11/25:13 pm
DFW
- ORD
Nonstop2h 42m
Frontier
Fri 11/61:22 pm
ORD
- DFW
Nonstop2h 46m
Frontier
Deal found 7/26![Frontier logo]()
$188
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 27, 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 27, 2026.
This Southwest deal was found by Cheapflights users on 7/25. 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 8/176:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Wed 8/198:35 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/25![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/1810:25 am
DFW
- STL
1 stop5h 13m
United Airlines
Sat 8/228:00 am
STL
- DFW
1 stop5h 10m
United Airlines
Deal found 7/25![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 7/22. 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 8/1810:05 am
DFW
- STL
1 stop6h 12m
Delta
Tue 8/2511:00 am
STL
- DFW
1 stop4h 50m
Delta
Deal found 7/22![Delta logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/233:59 pm
RFD
- DFW
1 stop20h 08m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 7/22. 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 8/136:00 am
DAL
- STL
Nonstop1h 45m
Southwest
Mon 8/173:45 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/22![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/23. 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 10/267:20 am
DAL
- STL
Nonstop1h 50m
Southwest
Mon 10/269:50 pm
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/23![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 7/24. 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 8/2510:05 am
DFW
- STL
1 stop6h 12m
Delta
Tue 9/15:23 pm
STL
- DFW
1 stop6h 36m
Delta
Deal found 7/24![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/24. 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 7/24![American Airlines logo]()
$463
This Southwest deal was found by Cheapflights users on 7/22. 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 8/184:10 pm
DAL
- STL
Nonstop1h 45m
Southwest
Tue 8/257:05 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/22![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/22. 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 8/206:30 pm
DAL
- STL
Nonstop1h 40m
Southwest
Mon 8/246:40 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/22![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/154:16 pm
DFW
- RFD
2 stops18h 31m
Multiple Airlines
Mon 8/179:24 pm
RFD
- DFW
1 stop21h 48m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 7/26. 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 9/35:35 pm
DAL
- STL
Nonstop1h 45m
Southwest
Sun 9/68:30 am
STL
- DAL
Nonstop1h 40m
Southwest
Deal found 7/26![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/254:11 pm
DFW
- STL
1 stop5h 49m
United Airlines
Tue 9/18:00 am
STL
- DFW
2 stops9h 51m
United Airlines
Deal found 7/26![United Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/58:28 am
DFW
- EVV
1 stop7h 21m
Multiple Airlines
Sun 9/69:09 am
EVV
- DFW
1 stop9h 51m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 7/25. 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 10/222:00 pm
DFW
- STL
1 stop7h 16m
Delta
Sun 10/255:28 pm
STL
- DFW
1 stop6h 36m
Delta
Deal found 7/25![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/1812:35 pm
DFW
- STL
2 stops9h 25m
United Airlines
Tue 8/257:25 am
STL
- DFW
2 stops8h 40m
United Airlines
Deal found 7/26![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/27. 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
1 stop4h 30m
Southwest
Mon 8/318:30 am
STL
- DAL
1 stop3h 50m
Southwest
Deal found 7/27![Southwest logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/268:17 pm
DFW
- RFD
1 stop24h 28m
Multiple Airlines
Mon 8/317:04 pm
RFD
- DFW
1 stop23h 56m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 7/25. 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 8/187:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Sat 8/228:55 am
STL
- DAL
2 stops6h 30m
Southwest
Deal found 7/25![Southwest logo]()
$212
This Delta deal was found by Cheapflights users on 7/26. 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 12/2410:20 am
DAL
- ORD
1 stop8h 12m
Delta
Tue 1/59:30 am
ORD
- DAL
1 stop5h 30m
Delta
Deal found 7/26![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/25. 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
Sun 9/135:10 am
STL
- DFW
1 stop5h 34m
United Airlines
Deal found 7/25![United Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/1710:27 pm
DFW
- RFD
1 stop19h 44m
Multiple Airlines
Sun 9/209:29 pm
RFD
- DFW
1 stop8h 08m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 7/26. 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 11/36:50 pm
DAL
- ORD
1 stop5h 02m
Delta
Sat 11/73:40 pm
ORD
- DAL
1 stop6h 18m
Delta
Deal found 7/26![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 7/23. 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 10/266:35 pm
DFW
- ORD
1 stop5h 16m
Delta
Tue 11/38:55 am
ORD
- DFW
1 stop5h 09m
Delta
Deal found 7/23![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 9/62:28 pm
DFW
- EVV
Nonstop2h 03m
American Airlines
Fri 9/116:00 am
EVV
- DFW
Nonstop2h 12m
American Airlines
Deal found 7/22![American Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/299:04 pm
DFW
- RFD
1 stop16h 13m
Multiple Airlines
Sun 10/49:36 pm
RFD
- DFW
1 stop8h 01m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 7/26. 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 12/144:25 pm
DFW
- MDW
1 stop6h 31m
Delta
Thu 12/176:00 am
MDW
- DFW
1 stop5h 18m
Delta
Deal found 7/26![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/59:25 pm
DFW
- EVV
Nonstop2h 02m
American Airlines
Sun 9/65:01 pm
EVV
- DFW
Nonstop2h 14m
American Airlines
Deal found 7/27![American Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
1 stop17h 03m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 7/26. 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 9/97:00 am
DFW
- MDW
1 stop6h 20m
Delta
Wed 9/169:29 am
MDW
- DFW
2 stops7h 48m
Delta
Deal found 7/26![Delta logo]()
$322
Last-minute flights from Dallas to IllinoisDiscover last-minute flight deals from Dallas to Illinois. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Illinois. Data last updated July 27, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/22. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 7/22. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sat 8/83:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/131:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/174:57 pm
STL
- DFW
1 stop23h 03m
Frontier
Deal found 7/23![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 7/27. 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 8/187:40 am
DAL
- STL
Nonstop1h 45m
Southwest
Sat 8/222:05 pm
STL
- DAL
Nonstop1h 35m
Southwest
Deal found 7/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/27. 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 8/184:10 pm
DAL
- STL
Nonstop1h 45m
Southwest
Tue 8/2510:45 am
STL
- DAL
1 stop5h 25m
Southwest
Deal found 7/27![Southwest logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2010:00 am
DFW
- STL
1 stop7h 22m
Frontier
Mon 8/246:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/22![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 7/22. 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 7/22![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/236:17 am
DFW
- STL
1 stop11h 05m
Frontier
Sun 8/306:17 pm
STL
- DFW
1 stop17h 59m
Frontier
Deal found 7/26![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/2710:00 am
DFW
- STL
1 stop7h 22m
Frontier
Fri 8/286:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2810:00 am
DFW
- STL
1 stop7h 22m
Frontier
Sun 8/306:17 pm
STL
- DFW
1 stop17h 59m
Frontier
Deal found 7/23![Frontier logo]()
$141
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 27, 2026.
Search for one-way flight options from Dallas to Illinois. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/208:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/22![Frontier logo]()
$52
This Frontier deal was found by Cheapflights users on 7/26. 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 9/247:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 7/26![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/124:16 pm
DFW
- STL
1 stop25h 21m
Frontier
Deal found 7/22![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/228:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/23![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/213:59 pm
DFW
- STL
1 stop17h 41m
Frontier
Deal found 7/22![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 7/26![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/277:48 pm
DFW
- STL
1 stop17h 22m
Frontier
Deal found 7/26![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/224:16 pm
DFW
- STL
1 stop25h 06m
Frontier
Deal found 7/24![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 7/22. 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.
Mon 10/193:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/22![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/204:16 pm
DFW
- STL
1 stop25h 06m
Frontier
Deal found 7/22![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/236:17 am
DFW
- STL
1 stop11h 05m
Frontier
Deal found 7/22![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 7/22. 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 9/203:48 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/22![Frontier logo]()
$69
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 27, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $121 (Kiwi.com) |
One-way from | $52 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $302 |
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 27, 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
Mon 8/17
6:30 pm-8:10 pm
Nonstop1h 40m
Lambert-St Louis
Wed 8/19
8:35 am-10:15 am
Nonstop1h 40m
$197
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 8/13
6:00 am-7:45 am
Nonstop1h 45m
Lambert-St Louis
Mon 8/17
3:45 pm-5:20 pm
Nonstop1h 35m
$197
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Mon 10/26
7:20 am-9:10 am
Nonstop1h 50m
Lambert-St Louis
Mon 10/26
9:50 pm-11:30 pm
Nonstop1h 40m
$197
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Tue 8/18
4:10 pm-5:55 pm
Nonstop1h 45m
Lambert-St Louis
Tue 8/25
7:05 am-8:45 am
Nonstop1h 40m
$197
Quickest round-trip
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 8/20
6:30 pm-8:10 pm
Nonstop1h 40m
Lambert-St Louis
Mon 8/24
6:40 pm-8:15 pm
Nonstop1h 35m
$197
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Thu 9/3
5:35 pm-7:20 pm
Nonstop1h 45m
Lambert-St Louis
Sun 9/6
8:30 am-10:10 am
Nonstop1h 40m
$202
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Mon 8/24
10:05 am-2:35 pm
1 stop4h 30m
Lambert-St Louis
Mon 8/31
8:30 am-12:20 pm
1 stop3h 50m
$211
DallasSt. Louis
DAL - STL
DALSTL
Dallas Love Field
Tue 8/18
7:40 am-9:25 am
Nonstop1h 45m
Lambert-St Louis
Sat 8/22
8:55 am-3:25 pm
2 stops6h 30m
$212
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Tue 8/18
10:25 am-3:38 pm
1 stop5h 13m
Lambert-St Louis
Sat 8/22
8:00 am-1:10 pm
1 stop5h 10m
$217
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Tue 8/18
10:05 am-4:17 pm
1 stop6h 12m
Lambert-St Louis
Tue 8/25
11:00 am-3:50 pm
1 stop4h 50m
$227
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-RFD
DFW-PIA
DFW-EVV
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-RFD
DFW-PIA
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 July 27, 2026.
It’s optimal to fly from Dallas to Illinois in the evening. By choosing this option you can save up to 11% 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 27, 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 (73 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 November.The cheapest round-trip price found within the last 5 days was $188 on Frontier (Nov 2-Nov 6).
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 25, 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 July 27, 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
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
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 July 27, 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$341 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$166 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$195 | Average$247 | FlexibilityNo cancel fee | On-time62% |