$88+ Cheap flights from Greenville (GSP) 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — ORD
Apr 10 — Apr 171
Round-trip
1 adult, Economy
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Cheapest flights from Greenville to IllinoisExplore the most affordable flight options available from Greenville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Greenville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/237:59 pm
GSP
- ORD
1 stop5h 00m
Delta
Sun 4/265:15 am
ORD
- GSP
1 stop4h 05m
Delta
Deal found 3/9![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 3/8. 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.
Fri 4/175:23 pm
GSP
- MDW
1 stop6h 05m
Delta
Sun 4/196:00 am
MDW
- GSP
1 stop5h 21m
Delta
Deal found 3/8![Delta logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 5/18:18 pm
GSP
- MDW
1 stop20h 55m
Multiple Airlines
Mon 5/48:41 am
MDW
- GSP
1 stop9h 57m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 5/16:36 am
GSP
- ORD
Nonstop2h 24m
United Airlines
Sun 5/36:50 am
ORD
- GSP
Nonstop1h 57m
United Airlines
Deal found 3/8![United Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/228:16 pm
GSP
- ORD
Nonstop2h 22m
American Airlines
Wed 4/298:00 pm
ORD
- GSP
Nonstop2h 03m
American Airlines
Deal found 3/8![American Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/235:40 am
GSP
- ORD
1 stop3h 50m
Delta
Wed 4/87:10 am
ORD
- GSP
1 stop5h 35m
Delta
Deal found 3/9![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/95:40 am
GSP
- MDW
1 stop5h 16m
Delta
Tue 4/145:21 pm
MDW
- GSP
1 stop3h 52m
Delta
Deal found 3/10![Delta logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/234:28 pm
GSP
- ORD
1 stop28h 23m
Multiple Airlines
Mon 4/139:06 am
ORD
- GSP
1 stop9h 32m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 3/292:42 pm
GSP
- ORD
2 stops42h 41m
Multiple Airlines
Wed 4/16:10 pm
ORD
- GSP
1 stop20h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/318:30 am
GSP
- ORD
1 stop6h 02m
Delta
Sat 4/119:50 am
ORD
- GSP
1 stop6h 51m
Delta
Deal found 3/9![Delta logo]()
$238
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 4/155:42 am
GSP
- MDW
1 stop5h 14m
Delta
Wed 4/226:00 am
MDW
- GSP
1 stop5h 21m
Delta
Deal found 3/8![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/115:41 pm
GSP
- ORD
Nonstop2h 20m
United Airlines
Tue 4/148:45 am
ORD
- GSP
1 stop4h 27m
United Airlines
Deal found 3/9![United Airlines logo]()
$239
Best flights from Greenville to IllinoisDiscover carefully curated flight deals from Greenville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Greenville to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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.
Fri 4/175:23 pm
GSP
- MDW
1 stop6h 05m
Delta
Sun 4/196:00 am
MDW
- GSP
1 stop5h 21m
Delta
Deal found 3/8![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 4/115:41 pm
GSP
- ORD
Nonstop2h 20m
United Airlines
Tue 4/148:50 am
ORD
- GSP
Nonstop2h 04m
United Airlines
Deal found 3/6![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/136:25 pm
GSP
- MDW
1 stop6h 05m
Southwest
Mon 4/205:55 pm
MDW
- GSP
1 stop3h 20m
Southwest
Deal found 3/9![Southwest logo]()
$249
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/258:08 am
GSP
- CMI
2 stops8h 09m
American Airlines
Sun 3/293:47 pm
CMI
- GSP
1 stop5h 27m
American Airlines
Deal found 3/9![American Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/137:59 pm
GSP
- ORD
1 stop5h 00m
Delta
Mon 4/205:15 am
ORD
- GSP
1 stop4h 05m
Delta
Deal found 3/9![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 3/8. 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.
Mon 4/66:25 pm
GSP
- MDW
1 stop6h 40m
Southwest
Fri 4/103:50 pm
MDW
- GSP
1 stop5h 25m
Southwest
Deal found 3/8![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:15 am
GSP
- MDW
1 stop6h 15m
Delta
Sat 7/256:00 am
MDW
- GSP
1 stop4h 53m
Delta
Deal found 3/6![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 3/7. 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 4/101:50 pm
GSP
- MDW
2 stops7h 45m
Southwest
Sun 4/125:15 am
MDW
- GSP
1 stop6h 55m
Southwest
Deal found 3/7![Southwest logo]()
$254
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/282:53 pm
GSP
- ORD
1 stop4h 51m
United Airlines
Fri 5/17:50 pm
ORD
- GSP
Nonstop2h 08m
United Airlines
Deal found 3/9![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/76:00 am
GSP
- PIA
2 stops7h 52m
American Airlines
Sat 4/111:22 pm
PIA
- GSP
1 stop5h 24m
American Airlines
Deal found 3/7![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 3/8. 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.
Fri 5/17:59 pm
GSP
- ORD
1 stop5h 00m
Delta
Mon 5/46:00 am
ORD
- GSP
1 stop8h 14m
Delta
Deal found 3/8![Delta logo]()
$252
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/286:25 pm
GSP
- MDW
2 stops5h 20m
Southwest
Sat 5/309:15 am
MDW
- GSP
2 stops10h 25m
Southwest
Deal found 3/10![Southwest logo]()
$259
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 3/214:30 pm
GSP
- PIA
1 stop7h 28m
American Airlines
Wed 3/256:27 pm
PIA
- GSP
1 stop4h 27m
American Airlines
Deal found 3/6![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 3/7. 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 4/246:25 pm
GSP
- MDW
2 stops5h 20m
Southwest
Sun 4/264:15 pm
MDW
- GSP
2 stops6h 10m
Southwest
Deal found 3/7![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/256:30 am
GSP
- MLI
1 stop4h 39m
United Airlines
Sun 3/296:30 am
MLI
- GSP
1 stop4h 14m
United Airlines
Deal found 3/10![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/281:09 pm
GSP
- MDW
1 stop4h 03m
Delta
Sat 5/306:23 am
MDW
- GSP
1 stop4h 42m
Delta
Deal found 3/10![Delta logo]()
$268
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/277:40 am
GSP
- BMI
1 stop4h 21m
American Airlines
Mon 4/62:56 pm
BMI
- GSP
2 stops7h 58m
American Airlines
Deal found 3/9![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Sun 5/245:55 pm
GSP
- MDW
1 stop6h 00m
Southwest
Wed 5/274:50 pm
MDW
- GSP
1 stop3h 50m
Southwest
Deal found 3/9![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 3/6. 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 5/275:41 pm
GSP
- ORD
Nonstop2h 17m
United Airlines
Sat 5/306:10 pm
ORD
- GSP
Nonstop2h 07m
United Airlines
Deal found 3/6![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/8. 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 5/217:20 am
GSP
- MDW
1 stop6h 22m
Delta
Mon 5/256:23 am
MDW
- GSP
1 stop6h 51m
Delta
Deal found 3/8![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 3/256:30 am
GSP
- ORD
Nonstop2h 23m
United Airlines
Mon 4/136:50 am
ORD
- GSP
Nonstop1h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/276:45 am
GSP
- ORD
1 stop7h 05m
Southwest
Sat 5/301:55 pm
ORD
- GSP
2 stops6h 40m
Southwest
Deal found 3/10![Southwest logo]()
$264
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/248:46 am
GSP
- BMI
2 stops6h 49m
American Airlines
Sat 3/283:03 pm
BMI
- GSP
2 stops7h 51m
American Airlines
Deal found 3/10![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 3/255:32 pm
GSP
- ORD
Nonstop2h 28m
United Airlines
Thu 4/166:50 am
ORD
- GSP
Nonstop1h 56m
United Airlines
Deal found 3/8![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/271:55 pm
GSP
- MDW
2 stops9h 20m
Southwest
Sat 5/309:10 am
MDW
- GSP
1 stop6h 25m
Southwest
Deal found 3/10![Southwest logo]()
$264
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Fri 3/277:40 am
GSP
- PIA
1 stop6h 07m
American Airlines
Mon 4/61:17 pm
PIA
- GSP
2 stops7h 31m
American Airlines
Deal found 3/7![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/35:40 am
GSP
- BMI
1 stop6h 40m
Delta
Sat 4/1112:02 pm
BMI
- GSP
1 stop6h 38m
Delta
Deal found 3/9![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/96:36 am
GSP
- ORD
Nonstop2h 24m
United Airlines
Tue 5/122:00 pm
ORD
- GSP
Nonstop1h 59m
United Airlines
Deal found 3/10![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/246:20 am
GSP
- ORD
1 stop7h 30m
Southwest
Tue 4/1411:55 am
ORD
- GSP
2 stops8h 45m
Southwest
Deal found 3/9![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/256:15 am
GSP
- PIA
2 stops11h 25m
United Airlines
Sun 3/296:30 am
PIA
- GSP
1 stop4h 14m
United Airlines
Deal found 3/10![United Airlines logo]()
$324
Last-minute flights from Greenville to IllinoisDiscover last-minute flight deals from Greenville to Illinois. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Illinois. Data last updated March 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/235:40 am
GSP
- ORD
1 stop3h 50m
Delta
Wed 4/87:10 am
ORD
- GSP
1 stop5h 35m
Delta
Deal found 3/9![Delta logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/234:28 pm
GSP
- ORD
1 stop28h 23m
Multiple Airlines
Mon 4/139:06 am
ORD
- GSP
1 stop9h 32m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 3/292:42 pm
GSP
- ORD
2 stops42h 41m
Multiple Airlines
Wed 4/16:10 pm
ORD
- GSP
1 stop20h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/318:30 am
GSP
- ORD
1 stop6h 02m
Delta
Sat 4/119:50 am
ORD
- GSP
1 stop6h 51m
Delta
Deal found 3/9![Delta logo]()
$238
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/95:40 am
GSP
- MDW
1 stop5h 16m
Delta
Tue 4/145:21 pm
MDW
- GSP
1 stop3h 52m
Delta
Deal found 3/10![Delta logo]()
$233
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/115:41 pm
GSP
- ORD
Nonstop2h 20m
United Airlines
Tue 4/148:45 am
ORD
- GSP
1 stop4h 27m
United Airlines
Deal found 3/9![United Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/135:43 pm
GSP
- MDW
2 stops26h 48m
Multiple Airlines
Mon 4/209:14 am
MDW
- GSP
1 stop9h 24m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 4/155:42 am
GSP
- MDW
1 stop5h 14m
Delta
Wed 4/226:00 am
MDW
- GSP
1 stop5h 21m
Delta
Deal found 3/8![Delta logo]()
$238
This Delta deal was found by Cheapflights users on 3/8. 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.
Fri 4/175:23 pm
GSP
- MDW
1 stop6h 05m
Delta
Sun 4/196:00 am
MDW
- GSP
1 stop5h 21m
Delta
Deal found 3/8![Delta logo]()
$213
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/228:16 pm
GSP
- ORD
Nonstop2h 22m
American Airlines
Wed 4/298:00 pm
ORD
- GSP
Nonstop2h 03m
American Airlines
Deal found 3/8![American Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/237:59 pm
GSP
- ORD
1 stop5h 00m
Delta
Sun 4/265:15 am
ORD
- GSP
1 stop4h 05m
Delta
Deal found 3/9![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 4/2312:34 pm
GSP
- ORD
Nonstop2h 17m
United Airlines
Sun 4/266:50 am
ORD
- GSP
Nonstop1h 56m
United Airlines
Deal found 3/6![United Airlines logo]()
$229
One-way flights from Greenville to IllinoisSearch for one-way flight options from Greenville to Illinois. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Greenville to Illinois. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 5/85:43 pm
GSP
- ORD
1 stop28h 34m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/115:43 pm
GSP
- ORD
1 stop28h 34m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 4/135:43 pm
GSP
- ORD
1 stop27h 08m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/205:43 pm
GSP
- ORD
1 stop28h 34m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/234:28 pm
GSP
- ORD
1 stop28h 23m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/205:43 pm
GSP
- MDW
2 stops26h 48m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/275:43 pm
GSP
- ORD
1 stop16h 53m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 6/51:22 pm
GSP
- ORD
1 stop26h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$123
This Southwest deal was found by Cheapflights users on 3/7. 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 3/311:50 pm
GSP
- MDW
1 stop6h 45m
Southwest
Deal found 3/7![Southwest logo]()
$125
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/206:25 pm
GSP
- MDW
1 stop6h 05m
Southwest
Deal found 3/10![Southwest logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/238:18 pm
GSP
- MDW
1 stop20h 15m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$140
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/241:50 pm
GSP
- MDW
1 stop6h 45m
Southwest
Deal found 3/9![Southwest logo]()
$145
Find flight deals from Greenville to Illinois
Keep the following information in mind while searching for Greenville to Illinois flight deals. Data was last updated March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $213 (Delta) |
One-way from | $88 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $319 |
Good round-trip deal | $298 or less |
Good one-way deal | $238 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Greenville 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 March 11, 2026.
Use the filters below to find and compare flights from Greenville to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Fri 4/17
5:23 pm-10:28 pm
1 stop6h 05m
Chicago Midway
Sun 4/19
6:00 am-12:21 pm
1 stop5h 21m
$213
GreenvilleChicago
GSP - ORD
GSPORD
Greenville
Sat 4/11
5:41 pm-7:01 pm
Nonstop2h 20m
Chicago O'Hare Intl
Tue 4/14
8:50 am-11:54 am
Nonstop2h 04m
$229
GreenvilleChicago
GSP - ORD
GSPORD
Greenville
Mon 4/13
7:59 pm-11:59 pm
1 stop5h 00m
Chicago O'Hare Intl
Mon 4/20
5:15 am-10:20 am
1 stop4h 05m
$233
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Sat 6/20
7:15 am-12:30 pm
1 stop6h 15m
Chicago Midway
Sat 7/25
6:00 am-11:53 am
1 stop4h 53m
$238
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Mon 4/13
6:25 pm-11:30 pm
1 stop6h 05m
Chicago Midway
Mon 4/20
5:55 pm-10:15 pm
1 stop3h 20m
$249
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Mon 4/6
6:25 pm-12:05 am
1 stop6h 40m
Chicago Midway
Fri 4/10
3:50 pm-10:15 pm
1 stop5h 25m
$249
GreenvilleChicago
GSP - ORD
GSPORD
Greenville
Fri 5/1
7:59 pm-11:59 pm
1 stop5h 00m
Chicago O'Hare Intl
Mon 5/4
6:00 am-3:14 pm
1 stop8h 14m
$252
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Fri 4/10
1:50 pm-8:35 pm
2 stops7h 45m
Chicago Midway
Sun 4/12
5:15 am-1:10 pm
1 stop6h 55m
$254
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Thu 5/28
6:25 pm-10:45 pm
2 stops5h 20m
Chicago Midway
Sat 5/30
9:15 am-8:40 pm
2 stops10h 25m
$259
GreenvilleChicago
GSP - MDW
GSPMDW
Greenville
Fri 4/24
6:25 pm-10:45 pm
2 stops5h 20m
Chicago Midway
Sun 4/26
4:15 pm-11:25 pm
2 stops6h 10m
$259
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Greenville to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Greenville with our price prediction graph.
GSP-MDW
GSP-ORD
GSP-STL
GSP-EVV
GSP-CMI
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 Greenville to Illinois
GSP-USIL
GSP-MDW
GSP-ORD
GSP-STL
GSP-EVV
What is the cheapest month to book a flight from Greenville to Illinois?
Currently, January is the cheapest month in which you can book a flight from Greenville to Illinois (average of $58). Flying from Greenville to Illinois in July is currently the most expensive (average of $136). 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 GSP to IL?
Find hourly flight availability from Greenville 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 March 11, 2026.
One of the essential ways to save on airfare from Greenville to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 61% on airfare.
What is the cheapest day to fly from Greenville to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Greenville to Illinois. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Greenville to Illinois flight should consider departing on Wednesday 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.
Weekly flight availability from Greenville to Illinois
Explore weekly flight availability from Greenville 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 March 11, 2026.
The most flights from GSP to USIL are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
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 March 11, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Greenville to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Greenville 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 Greenville to Illinois
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Complete your trip
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Greenville and Illinois flights
Browse other Greenville and Illinois flight options. Last updated on March 11, 2026.
Popular flight searches
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Greenville to Illinois flights
Consider these flights traveling from Greenville to Illinois.
Top 3 airlines flying from Greenville to Illinois
Discover the top 3 airlines that operate flights from Greenville 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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$107 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$307 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$202 | Average$347 | FlexibilityNo cancel fee | On-time71% |