$83+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Aug 7 — Aug 141
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 8, 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 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/67:48 pm
CHS
- STL
1 stop3h 52m
American Airlines
Thu 8/133:25 pm
STL
- CHS
1 stop6h 35m
American Airlines
Deal found 7/7![American Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:01 pm
CHS
- STL
1 stop4h 16m
Delta
Wed 8/267:00 am
STL
- CHS
1 stop3h 54m
Delta
Deal found 7/3![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 7/3. 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.
Tue 8/258:10 am
CHS
- STL
1 stop7h 40m
Southwest
Wed 8/2610:45 am
STL
- CHS
2 stops8h 00m
Southwest
Deal found 7/3![Southwest logo]()
$260
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 10/66:40 am
CHS
- MLI
1 stop4h 41m
Delta
Tue 10/136:00 am
MLI
- CHS
1 stop5h 55m
Delta
Deal found 7/5![Delta logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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
Mon 9/288:34 pm
STL
- CHS
1 stop11h 04m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/48:21 pm
CHS
- STL
1 stop4h 55m
American Airlines
Sat 8/81:54 pm
STL
- CHS
1 stop6h 06m
American Airlines
Deal found 7/7![American Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/242:13 pm
CHS
- STL
1 stop6h 26m
Multiple Airlines
Tue 9/2910:35 am
STL
- CHS
2 stops21h 03m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/45:10 pm
CHS
- STL
1 stop5h 00m
Southwest
Sat 8/81:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/65:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Thu 8/133:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/195:35 am
CHS
- STL
1 stop6h 25m
Southwest
Wed 10/211:45 pm
STL
- CHS
1 stop7h 10m
Southwest
Deal found 7/7![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 10/66:00 am
CHS
- MLI
2 stops7h 37m
United Airlines
Tue 10/132:28 pm
MLI
- CHS
1 stop6h 05m
United Airlines
Deal found 7/5![United Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/103:23 pm
CHS
- STL
1 stop9h 36m
Multiple Airlines
Fri 8/144:57 pm
STL
- CHS
2 stops21h 11m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$277
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:01 pm
CHS
- STL
1 stop4h 16m
Delta
Wed 8/267:00 am
STL
- CHS
1 stop3h 54m
Delta
Deal found 7/3![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 7/3. 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.
Tue 8/256:45 am
CHS
- STL
2 stops8h 40m
Southwest
Wed 8/2612:50 pm
STL
- CHS
2 stops5h 55m
Southwest
Deal found 7/3![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 10/66:00 am
CHS
- MLI
2 stops7h 37m
United Airlines
Tue 10/132:28 pm
MLI
- CHS
1 stop6h 05m
United Airlines
Deal found 7/5![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/6![American Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/283:13 pm
CHS
- RFD
1 stop19h 00m
Multiple Airlines
Fri 7/317:50 pm
RFD
- CHS
1 stop11h 58m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/45:10 pm
CHS
- STL
1 stop5h 00m
Southwest
Sat 8/81:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$270
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:45 pm
CHS
- ORD
1 stop6h 12m
Delta
Mon 8/176:25 pm
ORD
- CHS
1 stop4h 34m
Delta
Deal found 7/3![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/76:00 am
CHS
- PIA
1 stop5h 09m
United Airlines
Mon 8/102:33 pm
PIA
- CHS
1 stop6h 15m
United Airlines
Deal found 7/4![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/185:31 pm
CHS
- PIA
1 stop6h 26m
American Airlines
Mon 9/285:28 pm
PIA
- CHS
1 stop4h 31m
American Airlines
Deal found 7/6![American Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/46:45 am
CHS
- MDW
1 stop5h 05m
Southwest
Fri 8/75:30 am
MDW
- CHS
2 stops8h 55m
Southwest
Deal found 7/8![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:01 pm
CHS
- ORD
1 stop4h 50m
Delta
Wed 8/266:40 am
ORD
- CHS
1 stop5h 31m
Delta
Deal found 7/3![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/128:55 am
CHS
- PIA
1 stop7h 02m
United Airlines
Wed 9/163:55 pm
PIA
- CHS
1 stop4h 39m
United Airlines
Deal found 7/7![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/44:17 pm
CHS
- PIA
2 stops9h 05m
American Airlines
Mon 8/106:00 am
PIA
- CHS
1 stop4h 33m
American Airlines
Deal found 7/5![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/32:53 pm
CHS
- RFD
1 stop18h 09m
Multiple Airlines
Mon 9/711:27 am
RFD
- CHS
1 stop20h 11m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/46:00 am
CHS
- PIA
2 stops8h 57m
United Airlines
Mon 8/101:13 pm
PIA
- CHS
1 stop7h 35m
United Airlines
Deal found 7/6![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/710:26 am
CHS
- PIA
2 stops8h 49m
American Airlines
Mon 8/104:24 pm
PIA
- CHS
1 stop5h 36m
American Airlines
Deal found 7/4![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/261:25 pm
CHS
- MDW
2 stops6h 40m
Southwest
Sun 8/308:05 am
MDW
- CHS
2 stops5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/1110:19 am
CHS
- PIA
2 stops11h 40m
United Airlines
Wed 9/163:55 pm
PIA
- CHS
1 stop4h 39m
United Airlines
Deal found 7/7![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:25 am
CHS
- ORD
1 stop4h 10m
Delta
Mon 9/215:30 am
ORD
- CHS
1 stop6h 35m
Delta
Deal found 7/3![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/179:39 pm
CHS
- RFD
1 stop19h 36m
Multiple Airlines
Sun 9/2010:41 am
RFD
- CHS
2 stops10h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:30 am
CHS
- MDW
2 stops9h 00m
Southwest
Tue 8/1110:30 am
MDW
- CHS
2 stops6h 50m
Southwest
Deal found 7/8![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/26:30 am
CHS
- ORD
Nonstop2h 30m
United Airlines
Tue 9/156:10 pm
ORD
- CHS
Nonstop2h 24m
United Airlines
Deal found 7/6![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/810:45 am
CHS
- MDW
1 stop6h 50m
Southwest
Sat 9/123:05 pm
MDW
- CHS
Nonstop2h 05m
Southwest
Deal found 7/6![Southwest logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/262:53 pm
CHS
- RFD
1 stop29h 07m
Multiple Airlines
Wed 7/2910:03 am
RFD
- CHS
1 stop21h 35m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/235:06 pm
CHS
- ORD
1 stop4h 49m
Delta
Wed 8/2610:33 am
ORD
- CHS
1 stop4h 27m
Delta
Deal found 7/4![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/217:51 pm
CHS
- ORD
1 stop4h 49m
United Airlines
Sun 8/236:10 pm
ORD
- CHS
Nonstop2h 24m
United Airlines
Deal found 7/7![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/307:35 am
CHS
- MDW
Nonstop2h 10m
Southwest
Thu 10/112:55 pm
MDW
- CHS
Nonstop2h 10m
Southwest
Deal found 7/7![Southwest logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:44 pm
CHS
- RFD
2 stops37h 53m
Multiple Airlines
Mon 7/277:50 pm
RFD
- CHS
1 stop11h 48m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/282:27 pm
CHS
- ORD
1 stop7h 06m
Delta
Tue 8/45:30 am
ORD
- CHS
1 stop5h 24m
Delta
Deal found 7/4![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:40 am
CHS
- STL
1 stop4h 58m
United Airlines
Wed 9/28:00 am
STL
- CHS
1 stop4h 58m
United Airlines
Deal found 7/3![United Airlines logo]()
$335
Last-minute flights from Charleston to IllinoisDiscover last-minute flight deals from Charleston to Illinois. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Illinois. Data last updated July 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/48:21 pm
CHS
- STL
1 stop4h 55m
American Airlines
Sat 8/81:54 pm
STL
- CHS
1 stop6h 06m
American Airlines
Deal found 7/7![American Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/45:10 pm
CHS
- STL
1 stop5h 00m
Southwest
Sat 8/81:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/46:45 am
CHS
- MDW
1 stop5h 05m
Southwest
Fri 8/75:30 am
MDW
- CHS
2 stops8h 55m
Southwest
Deal found 7/8![Southwest logo]()
$285
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/67:48 pm
CHS
- STL
1 stop3h 52m
American Airlines
Thu 8/133:25 pm
STL
- CHS
1 stop6h 35m
American Airlines
Deal found 7/7![American Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/65:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Thu 8/133:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:20 pm
CHS
- MDW
1 stop5h 35m
Southwest
Tue 8/111:00 pm
MDW
- CHS
2 stops5h 45m
Southwest
Deal found 7/8![Southwest logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/103:23 pm
CHS
- STL
1 stop9h 36m
Multiple Airlines
Fri 8/144:57 pm
STL
- CHS
2 stops21h 11m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 7/3. 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 8/137:00 am
CHS
- MDW
Nonstop2h 10m
Southwest
Tue 8/1810:30 am
MDW
- CHS
2 stops6h 50m
Southwest
Deal found 7/3![Southwest logo]()
$284
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/7![American Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
CHS
- MDW
Nonstop2h 10m
Southwest
Mon 8/246:15 pm
MDW
- CHS
Nonstop2h 10m
Southwest
Deal found 7/7![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:01 pm
CHS
- STL
1 stop4h 16m
Delta
Wed 8/267:00 am
STL
- CHS
1 stop3h 54m
Delta
Deal found 7/3![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 7/3. 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.
Tue 8/258:10 am
CHS
- STL
1 stop7h 40m
Southwest
Wed 8/2610:45 am
STL
- CHS
2 stops8h 00m
Southwest
Deal found 7/3![Southwest logo]()
$260
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 8, 2026.
Search for one-way flight options from Charleston to Illinois. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 am
CHS
- STL
Nonstop2h 00m
Southwest
Deal found 7/7![Southwest logo]()
$83
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/67:48 pm
CHS
- STL
1 stop3h 52m
American Airlines
Deal found 7/8![American Airlines logo]()
$93
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/66:30 pm
CHS
- MDW
Nonstop2h 10m
Southwest
Deal found 7/8![Southwest logo]()
$102
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/66:00 am
CHS
- ORD
Nonstop2h 33m
United Airlines
Deal found 7/8![United Airlines logo]()
$102
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:35 am
CHS
- MDW
Nonstop2h 10m
Southwest
Deal found 7/7![Southwest logo]()
$103
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/57:56 pm
CHS
- ORD
Nonstop2h 44m
American Airlines
Deal found 7/7![American Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/62:53 pm
CHS
- ORD
1 stop23h 27m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$104
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:36 am
CHS
- ORD
1 stop8h 42m
Avelo Airlines
Deal found 7/8![Avelo Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/312:16 pm
CHS
- ORD
1 stop9h 52m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$110
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/69:07 am
CHS
- STL
1 stop3h 49m
Delta
Deal found 7/7![Delta logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/69:18 am
CHS
- ORD
1 stop15h 37m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$111
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/65:06 pm
CHS
- MDW
1 stop6h 30m
Delta
Deal found 7/8![Delta logo]()
$112
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (American Airlines) |
One-way from | $83 (Southwest) |
Popular in | April |
Cheapest in | September |
Average price | $389 |
Good round-trip deal | $365 or less |
Good one-way deal | $197 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 8, 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
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Tue 8/25
1:01 pm-4:17 pm
1 stop4h 16m
Lambert-St Louis
Wed 8/26
7:00 am-11:54 am
1 stop3h 54m
$255
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Tue 8/25
6:45 am-2:25 pm
2 stops8h 40m
Lambert-St Louis
Wed 8/26
12:50 pm-7:45 pm
2 stops5h 55m
$265
CharlestonSt. Louis
CHS - STL
CHSSTL
Charleston
Tue 8/4
5:10 pm-9:10 pm
1 stop5h 00m
Lambert-St Louis
Sat 8/8
1:40 pm-4:40 pm
Nonstop2h 00m
$270
CharlestonMoline
CHS - MLI
CHSMLI
Charleston
Tue 10/6
6:00 am-12:37 pm
2 stops7h 37m
Moline Quad-City
Tue 10/13
2:28 pm-9:33 pm
1 stop6h 05m
$277
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 - MDW
CHSMDW
Charleston
Tue 8/4
6:45 am-10:50 am
1 stop5h 05m
Chicago Midway
Fri 8/7
5:30 am-3:25 pm
2 stops8h 55m
$285
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Wed 8/12
6:45 pm-11:57 pm
1 stop6h 12m
Chicago O'Hare Intl
Mon 8/17
6:25 pm-11:59 pm
1 stop4h 34m
$289
CharlestonChicago
CHS - ORD
CHSORD
Charleston
Mon 8/24
1:01 pm-4:51 pm
1 stop4h 50m
Chicago O'Hare Intl
Wed 8/26
6:40 am-1:11 pm
1 stop5h 31m
$289
CharlestonPeoria
CHS - PIA
CHSPIA
Charleston
Fri 8/7
6:00 am-10:09 am
1 stop5h 09m
Greater Peoria
Mon 8/10
2:33 pm-9:48 pm
1 stop6h 15m
$309
CharlestonPeoria
CHS - PIA
CHSPIA
Charleston
Fri 9/18
5:31 pm-10:57 pm
1 stop6h 26m
Greater Peoria
Mon 9/28
5:28 pm-10:59 pm
1 stop4h 31m
$309
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-MLI
CHS-RFD
CHS-ORD
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-MLI
CHS-RFD
CHS-ORD
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 $104). Flying from Charleston to Illinois in March is currently the most expensive (average of $237). 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 8, 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 21% 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 8, 2026.
The most flights from CHS to USIL are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Charleston to Illinois?
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 4, 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 8, 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.
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from 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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$190 | Average$308 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$361 | FlexibilityNo cancel fee | On-time69% |