$97+ Cheap flights from Charleston (CHS) 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Cheapest flights from Charleston to IllinoisExplore the most affordable flight options available from Charleston to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Charleston to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Thu 9/33:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/24![Southwest logo]()
$217
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:10 am
CHS
- STL
1 stop4h 25m
Southwest
Mon 10/124:30 pm
STL
- CHS
Nonstop1h 55m
Southwest
Deal found 7/24![Southwest logo]()
$218
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 pm
CHS
- STL
1 stop4h 35m
Southwest
Mon 8/313:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/24![Southwest logo]()
$222
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 9/15:10 am
CHS
- STL
1 stop5h 10m
Delta
Sat 9/1210:40 am
STL
- CHS
1 stop5h 33m
Delta
Deal found 7/24![Delta logo]()
$227
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.
Thu 9/102:05 pm
CHS
- STL
1 stop7h 39m
American Airlines
Mon 9/145:00 am
STL
- CHS
1 stop7h 15m
American Airlines
Deal found 7/22![American Airlines logo]()
$237
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.
Tue 9/18:10 am
CHS
- STL
1 stop7h 40m
Southwest
Sat 9/125:15 am
STL
- CHS
2 stops9h 40m
Southwest
Deal found 7/23![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/236:45 am
CHS
- STL
2 stops9h 05m
Southwest
Sat 9/268:30 am
STL
- CHS
2 stops9h 50m
Southwest
Deal found 7/20![Southwest logo]()
$253
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.
Thu 8/138:40 am
CHS
- STL
2 stops7h 30m
Southwest
Mon 8/172:20 pm
STL
- CHS
1 stop6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/137:00 am
CHS
- ORD
2 stops30h 02m
Multiple Airlines
Wed 9/164:49 pm
ORD
- CHS
1 stop14h 49m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$281
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.
Fri 8/149:44 pm
CHS
- ORD
2 stops23h 09m
Multiple Airlines
Mon 8/249:10 pm
ORD
- CHS
1 stop10h 28m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/1011:30 am
CHS
- MDW
2 stops9h 00m
Southwest
Mon 9/145:30 am
MDW
- CHS
2 stops8h 55m
Southwest
Deal found 7/21![Southwest logo]()
$283
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 9/53:44 pm
CHS
- ORD
1 stop8h 24m
Multiple Airlines
Mon 9/78:05 am
ORD
- CHS
2 stops24h 32m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$283
Best flights from Charleston to IllinoisDiscover carefully curated flight deals from Charleston to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Charleston to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 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 8/245:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Thu 8/273:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/25![Southwest logo]()
$217
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.
Mon 8/246:45 pm
CHS
- STL
1 stop6h 13m
Delta
Thu 8/2711:00 am
STL
- CHS
1 stop6h 52m
Delta
Deal found 7/25![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Mon 8/177:50 pm
CHS
- MLI
1 stop5h 18m
American Airlines
Tue 8/2511:43 am
MLI
- CHS
1 stop6h 37m
American Airlines
Deal found 7/21![American Airlines logo]()
$285
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:14 am
CHS
- ORD
1 stop5h 13m
United Airlines
Mon 9/77:00 am
ORD
- CHS
1 stop7h 10m
United Airlines
Deal found 7/22![United Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 11/33:00 pm
CHS
- RFD
1 stop24h 44m
Multiple Airlines
Mon 11/910:38 am
RFD
- CHS
1 stop21h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/235:10 pm
CHS
- STL
1 stop5h 00m
Southwest
Sat 9/261:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/20![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/206:35 am
CHS
- STL
1 stop4h 35m
Southwest
Mon 8/243:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/21![Southwest logo]()
$227
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.
Thu 10/85:30 am
CHS
- STL
1 stop6h 21m
Delta
Mon 10/127:20 pm
STL
- CHS
1 stop3h 39m
Delta
Deal found 7/22![Delta logo]()
$265
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 8/244:05 pm
CHS
- STL
1 stop8h 05m
Southwest
Tue 9/110:45 am
STL
- CHS
2 stops8h 00m
Southwest
Deal found 7/25![Southwest logo]()
$232
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:53 pm
CHS
- ORD
1 stop4h 39m
United Airlines
Mon 10/198:50 am
ORD
- CHS
1 stop5h 10m
United Airlines
Deal found 7/24![United Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1112:23 pm
CHS
- PIA
1 stop6h 52m
American Airlines
Mon 8/176:00 am
PIA
- CHS
1 stop4h 33m
American Airlines
Deal found 7/21![American Airlines logo]()
$309
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.
Thu 8/138:40 am
CHS
- STL
2 stops7h 30m
Southwest
Mon 8/172:20 pm
STL
- CHS
1 stop6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$256
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/88:00 am
CHS
- ORD
Nonstop2h 32m
United Airlines
Sun 10/116:10 pm
ORD
- CHS
Nonstop2h 23m
United Airlines
Deal found 7/21![United Airlines logo]()
$313
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
CHS
- MLI
1 stop5h 13m
American Airlines
Sun 9/66:00 am
MLI
- CHS
1 stop4h 33m
American Airlines
Deal found 7/25![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/68:20 pm
CHS
- RFD
1 stop12h 29m
Multiple Airlines
Sun 8/911:37 am
RFD
- CHS
2 stops26h 07m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$373
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am
CHS
- STL
2 stops8h 30m
United Airlines
Sat 10/317:30 am
STL
- CHS
1 stop5h 36m
United Airlines
Deal found 7/23![United Airlines logo]()
$322
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
CHS
- STL
2 stops9h 38m
United Airlines
Sat 9/266:00 am
STL
- CHS
2 stops8h 00m
United Airlines
Deal found 7/22![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/176:35 am
CHS
- MDW
2 stops6h 40m
Southwest
Mon 8/247:25 am
MDW
- CHS
2 stops8h 15m
Southwest
Deal found 7/20![Southwest logo]()
$299
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 10/222:13 pm
CHS
- RFD
1 stop18h 41m
Multiple Airlines
Sat 10/244:53 pm
RFD
- CHS
2 stops19h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$407
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.
Wed 11/252:25 pm
CHS
- EVV
1 stop3h 29m
Delta
Sun 11/295:45 pm
EVV
- CHS
1 stop5h 11m
Delta
Deal found 7/22![Delta logo]()
$425
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:14 am
CHS
- PIA
2 stops9h 49m
United Airlines
Thu 8/275:45 am
PIA
- CHS
2 stops8h 25m
United Airlines
Deal found 7/22![United Airlines logo]()
$329
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:50 pm
CHS
- PIA
1 stop5h 08m
American Airlines
Sun 8/24:22 pm
PIA
- CHS
1 stop4h 41m
American Airlines
Deal found 7/23![American Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/176:30 pm
CHS
- MDW
Nonstop2h 10m
Southwest
Sun 9/208:15 am
MDW
- CHS
Nonstop2h 15m
Southwest
Deal found 7/21![Southwest logo]()
$313
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.
Wed 9/27:51 pm
CHS
- ORD
1 stop4h 49m
United Airlines
Sun 9/610:33 am
ORD
- CHS
Nonstop2h 25m
United Airlines
Deal found 7/25![United Airlines logo]()
$332
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 8/206:00 am
CHS
- RFD
2 stops15h 45m
Multiple Airlines
Fri 8/216:56 pm
RFD
- CHS
1 stop12h 52m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/208:41 pm
CHS
- PIA
1 stop4h 13m
American Airlines
Sun 9/275:28 pm
PIA
- CHS
1 stop4h 31m
American Airlines
Deal found 7/20![American Airlines logo]()
$412
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:15 pm
CHS
- MDW
Nonstop2h 10m
Southwest
Mon 10/1912:55 pm
MDW
- CHS
Nonstop2h 10m
Southwest
Deal found 7/24![Southwest logo]()
$318
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 8/185:10 am
CHS
- EVV
1 stop5h 13m
Delta
Fri 9/43:16 pm
EVV
- CHS
1 stop4h 28m
Delta
Deal found 7/24![Delta logo]()
$467
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 am
CHS
- ORD
Nonstop2h 32m
United Airlines
Sat 10/178:50 am
ORD
- CHS
1 stop5h 10m
United Airlines
Deal found 7/23![United Airlines logo]()
$343
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.
Wed 10/217:15 am
CHS
- MDW
Nonstop2h 10m
Southwest
Fri 10/2312:55 pm
MDW
- CHS
Nonstop2h 10m
Southwest
Deal found 7/22![Southwest logo]()
$318
Last-minute flights from Charleston to IllinoisDiscover last-minute flight deals from Charleston to Illinois. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Illinois. Data last updated July 25, 2026 and is based on user searches.
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.
Thu 8/136:30 pm
CHS
- STL
1 stop4h 35m
Southwest
Mon 8/172:20 pm
STL
- CHS
1 stop6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$237
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 8/137:25 am
CHS
- ORD
2 stops13h 28m
Multiple Airlines
Tue 9/18:05 am
ORD
- CHS
1 stop9h 09m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$285
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 8/137:25 am
CHS
- ORD
2 stops13h 28m
Multiple Airlines
Wed 9/28:05 am
ORD
- CHS
1 stop27h 59m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$286
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.
Fri 8/149:44 pm
CHS
- ORD
2 stops23h 09m
Multiple Airlines
Mon 8/319:10 pm
ORD
- CHS
1 stop10h 28m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$282
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.
Fri 8/149:44 pm
CHS
- ORD
2 stops23h 09m
Multiple Airlines
Sat 8/225:59 pm
ORD
- CHS
1 stop13h 39m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$287
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.
Mon 8/177:50 pm
CHS
- MLI
1 stop5h 18m
American Airlines
Tue 8/2511:43 am
MLI
- CHS
1 stop6h 37m
American Airlines
Deal found 7/22![American Airlines logo]()
$285
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.
Wed 8/196:15 am
CHS
- STL
1 stop4h 17m
American Airlines
Fri 8/218:34 am
STL
- CHS
1 stop3h 42m
American Airlines
Deal found 7/24![American Airlines logo]()
$268
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:45 am
CHS
- STL
1 stop6h 40m
Southwest
Fri 8/213:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/24![Southwest logo]()
$284
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Thu 9/33:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/24![Southwest logo]()
$217
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 pm
CHS
- STL
1 stop4h 35m
Southwest
Mon 8/313:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/24![Southwest logo]()
$222
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.
Thu 8/205:10 am
CHS
- STL
1 stop3h 58m
Delta
Mon 8/315:23 pm
STL
- CHS
1 stop5h 36m
Delta
Deal found 7/24![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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
CHS
- STL
1 stop4h 35m
Southwest
Mon 8/248:30 am
STL
- CHS
2 stops8h 20m
Southwest
Deal found 7/21![Southwest logo]()
$242
One-way flights from Charleston to IllinoisSearch for one-way flight options from Charleston to Illinois. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Charleston to Illinois. Find affordable one-way fares based on user searches. Data last updated July 25, 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 9/221:21 pm
CHS
- STL
2 stops21h 19m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$97
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.
Sat 8/153:58 pm
CHS
- STL
2 stops41h 59m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$98
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 9/196:00 am
CHS
- STL
2 stops28h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$102
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 8/274:51 pm
CHS
- STL
2 stops25h 31m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$104
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 8/204:51 pm
CHS
- STL
2 stops25h 31m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$106
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 10/213:42 pm
CHS
- STL
2 stops18h 58m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$107
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.
Sat 8/156:45 am
CHS
- STL
Nonstop2h 00m
Southwest
Deal found 7/22![Southwest logo]()
$109
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 9/102:13 pm
CHS
- RFD
1 stop19h 39m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$110
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 8/2511:15 am
CHS
- ORD
1 stop26h 35m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$111
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.
Sat 8/228:56 pm
CHS
- STL
2 stops21h 26m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$111
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 8/1811:15 am
CHS
- ORD
1 stop26h 35m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$113
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 10/201:13 pm
CHS
- STL
2 stops21h 27m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$113
Find flight deals from Charleston to Illinois
Keep the following information in mind while searching for Charleston to Illinois flight deals. Data was last updated July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $97 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $431 |
Good round-trip deal | $351 or less |
Good one-way deal | $212 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston 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 25, 2026.
Use the filters below to find and compare flights from Charleston to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Mon 8/24
5:20 pm-6:25 pm
Nonstop2h 05m
Lambert-St Louis
Thu 8/27
3:35 pm-6:35 pm
Nonstop2h 00m
$217
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Mon 8/24
6:45 pm-11:58 pm
1 stop6h 13m
Lambert-St Louis
Thu 8/27
11:00 am-6:52 pm
1 stop6h 52m
$227
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Wed 9/23
5:10 pm-9:10 pm
1 stop5h 00m
Lambert-St Louis
Sat 9/26
1:40 pm-4:40 pm
Nonstop2h 00m
$227
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Thu 8/20
6:35 am-10:10 am
1 stop4h 35m
Lambert-St Louis
Mon 8/24
3:35 pm-6:35 pm
Nonstop2h 00m
$227
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Mon 8/24
4:05 pm-11:10 pm
1 stop8h 05m
Lambert-St Louis
Tue 9/1
10:45 am-7:45 pm
2 stops8h 00m
$232
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Thu 8/13
8:40 am-3:10 pm
2 stops7h 30m
Lambert-St Louis
Mon 8/17
2:20 pm-9:25 pm
1 stop6h 05m
$256
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Thu 10/8
5:30 am-10:51 am
1 stop6h 21m
Lambert-St Louis
Mon 10/12
7:20 pm-11:59 pm
1 stop3h 39m
$265
CharlestonMoline
CHS - MLI
CHSMLI
Charleston
Mon 8/17
7:50 pm-12:08 am
1 stop5h 18m
Moline Quad-City
Tue 8/25
11:43 am-7:20 pm
1 stop6h 37m
$285
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Sat 9/5
10:14 am-2:27 pm
1 stop5h 13m
Chicago O'Hare Intl
Mon 9/7
7:00 am-3:10 pm
1 stop7h 10m
$292
CharlestonChicago
CHS - RFD
CHSRFD
Charleston
Tue 11/3
3:00 pm-2:44 pm
1 stop24h 44m
Chicago Greater Rockford
Mon 11/9
10:38 am-8:38 am
1 stop21h 00m
$298
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Charleston to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Charleston with our price prediction graph.
CHS-STL
CHS-ORD
CHS-MLI
CHS-RFD
CHS-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 Charleston to Illinois
CHS-USIL
CHS-STL
CHS-ORD
CHS-MLI
CHS-RFD
What is the cheapest month to book a flight from Charleston to Illinois?
Currently, September is the cheapest month in which you can book a flight from Charleston to Illinois (average of $337). Flying from Charleston to Illinois in July is currently the most expensive (average of $410). 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 CHS to IL?
Find hourly flight availability from Charleston 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 25, 2026.
When flying from Charleston to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.
Weekly flight availability from Charleston to Illinois
Explore weekly flight availability from Charleston 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 25, 2026.
The most flights from CHS to USIL are scheduled on a Tuesday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Charleston to Illinois?
Airfare is below average for this route at the moment.
Charleston to Illinois flights typically cost between $304 and $434 in September.The cheapest round-trip price found within the last 5 days was $281 on Multiple Airlines (Sep 13-Sep 16).
How far ahead should I book a flight from Charleston to Illinois?
The best time to book flights from Charleston to Illinois is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Charleston to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Charleston to Illinois. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Charleston 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 25, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Charleston to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
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 Charleston 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 Charleston 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 Charleston to Illinois by cabin class
Find flights from Charleston to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Charleston and Illinois flights
Browse other Charleston and Illinois flight options. Last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Charleston to Illinois flights
Consider these flights traveling from Charleston to Illinois.
Top 4 airlines flying from Charleston to Illinois
Discover the top 4 airlines that operate flights from Charleston 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$211 | Average$308 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$350 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$212 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$361 | FlexibilityNo cancel fee | On-time69% |