$119+ Cheap flights from Greenville (GSP) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — ORD
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:25 am -
2 stops10h 00m
Tue 12/812:50 pm -
1 stop6h 05m
Deal found 10/26![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:06 pm -
1 stop7h 28m
Mon 11/306:20 am -
1 stop12h 52m
Deal found 10/27![Multiple Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:18 pm -
1 stop4h 58m
Tue 12/81:41 pm -
1 stop3h 49m
Deal found 10/27![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/34:54 pm -
Nonstop2h 16m
Sun 12/69:00 am -
1 stop5h 21m
Deal found 10/28![American Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:42 pm -
1 stop25h 55m
Wed 11/252:52 pm -
2 stops40h 21m
Deal found 10/30![Multiple Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:50 pm -
1 stop5h 05m
Tue 12/86:00 am -
2 stops7h 10m
Deal found 10/26![Southwest logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:42 pm -
1 stop25h 55m
Mon 11/97:55 am -
2 stops11h 17m
Deal found 10/26![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:32 pm -
1 stop13h 46m
Sun 12/66:07 am -
1 stop25h 06m
Deal found 10/27![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:12 am -
1 stop12h 59m
Mon 12/76:07 am -
2 stops13h 05m
Deal found 10/29![Multiple Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/278:35 pm -
1 stop4h 24m
Fri 12/48:05 am -
Nonstop2h 01m
Deal found 10/28![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/411:36 am -
Nonstop2h 24m
Sun 12/66:54 pm -
Nonstop2h 02m
Deal found 10/28![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:25 pm -
1 stop4h 29m
Sun 12/66:00 am -
1 stop4h 13m
Deal found 10/29![Delta logo]()
$328
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 October 30, 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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:51 pm -
1 stop5h 03m
Wed 12/25:55 pm -
Nonstop2h 04m
Deal found 10/26![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:36 am -
1 stop5h 36m
Sun 12/1311:26 am -
1 stop5h 49m
Deal found 10/30![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 pm -
1 stop5h 00m
Tue 12/88:00 am -
1 stop5h 10m
Deal found 10/30![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:40 am -
1 stop5h 48m
Sun 12/136:00 am -
1 stop6h 22m
Deal found 10/29![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:03 pm -
1 stop5h 02m
Tue 1/126:00 pm -
Nonstop2h 03m
Deal found 10/26![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:47 pm -
Nonstop2h 28m
Sun 12/139:00 am -
1 stop4h 06m
Deal found 10/30![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/287:15 am -
1 stop6h 22m
Sat 5/110:35 am -
1 stop6h 06m
Deal found 10/26![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 10/25. 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.
Fri 2/56:30 am -
2 stops8h 00m
Tue 2/91:20 pm -
1 stop3h 55m
Deal found 10/25![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
Nonstop2h 16m
Sun 11/226:29 am -
Nonstop2h 01m
Deal found 10/26![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:11 am -
1 stop4h 48m
Sun 11/226:00 am -
1 stop4h 07m
Deal found 10/26![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:48 pm -
1 stop4h 41m
Sun 12/131:49 pm -
Nonstop2h 04m
Deal found 10/30![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:05 am -
2 stops8h 25m
Sun 11/226:30 pm -
1 stop3h 30m
Deal found 10/26![Southwest logo]()
$380
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:42 pm -
1 stop6h 17m
Sat 11/145:00 am -
2 stops8h 56m
Deal found 10/26![American Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 2/512:11 pm -
1 stop5h 43m
Tue 2/95:45 pm -
1 stop5h 07m
Deal found 10/25![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:48 pm -
1 stop4h 41m
Sun 12/68:52 am -
1 stop4h 36m
Deal found 10/30![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:35 pm -
2 stops9h 24m
Tue 11/175:00 am -
2 stops8h 56m
Deal found 10/29![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 2/266:30 am -
1 stop4h 15m
Sat 3/65:40 am -
2 stops10h 20m
Deal found 10/28![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:59 pm -
1 stop6h 02m
Tue 12/81:41 pm -
1 stop3h 49m
Deal found 10/30![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:11 am -
1 stop4h 15m
Sat 11/1412:06 pm -
1 stop5h 08m
Deal found 10/26![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:26 am -
1 stop5h 12m
Sat 11/145:55 pm -
Nonstop2h 03m
Deal found 10/26![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:11 am -
1 stop4h 15m
Tue 11/174:28 pm -
1 stop4h 44m
Deal found 10/29![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 11/117:00 am -
1 stop4h 24m
Sun 11/156:00 am -
1 stop4h 07m
Deal found 10/25![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 1/75:29 pm -
1 stop5h 15m
Mon 1/113:46 pm -
1 stop4h 16m
Deal found 10/25![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:20 am -
1 stop4h 19m
Sun 11/156:49 am -
1 stop5h 26m
Deal found 10/27![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 2/65:29 pm -
1 stop6h 30m
Tue 2/92:22 pm -
1 stop5h 41m
Deal found 10/28![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/135:40 am -
1 stop5h 45m
Sun 11/153:59 pm -
1 stop5h 13m
Deal found 10/28![Delta logo]()
$399
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:37 pm -
2 stops11h 30m
Thu 11/1911:25 am -
1 stop5h 32m
Deal found 10/29![American Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/132:51 pm -
1 stop5h 00m
Fri 11/139:30 pm -
2 stops20h 31m
Deal found 10/28![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:12 pm -
1 stop5h 06m
Sun 11/1511:27 am -
1 stop5h 47m
Deal found 10/29![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:37 pm -
1 stop6h 36m
Tue 11/1710:43 am -
1 stop5h 13m
Deal found 10/29![United Airlines logo]()
$469
Last-minute flights from Greenville to IllinoisDiscover last-minute flight deals from Greenville to Illinois. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Illinois. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:42 pm -
1 stop25h 55m
Wed 11/252:52 pm -
2 stops40h 21m
Deal found 10/30![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:42 pm -
1 stop25h 55m
Mon 11/97:55 am -
2 stops11h 17m
Deal found 10/26![Multiple Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:35 pm -
1 stop4h 21m
Tue 11/176:15 am -
1 stop5h 56m
Deal found 10/29![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:26 am -
1 stop5h 12m
Sun 11/226:29 am -
Nonstop2h 01m
Deal found 10/26![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:11 am -
1 stop4h 48m
Sun 11/226:00 am -
1 stop4h 07m
Deal found 10/26![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:20 am -
Nonstop2h 16m
Sun 11/226:29 am -
Nonstop2h 01m
Deal found 10/26![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:39 pm -
1 stop8h 55m
Sun 11/2211:53 pm -
2 stops31h 21m
Deal found 10/30![Multiple Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:40 am -
1 stop4h 01m
Sun 11/225:30 am -
1 stop4h 37m
Deal found 10/29![Delta logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:06 pm -
1 stop7h 28m
Mon 11/306:20 am -
1 stop12h 52m
Deal found 10/27![Multiple Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/226:27 pm -
Nonstop2h 32m
Fri 11/2712:49 pm -
1 stop7h 03m
Deal found 10/28![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/278:35 pm -
1 stop4h 24m
Fri 12/48:05 am -
Nonstop2h 01m
Deal found 10/28![American Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:52 pm -
2 stops17h 59m
Fri 12/46:10 am -
1 stop6h 58m
Deal found 10/28![Multiple Airlines logo]()
$330
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 October 30, 2026.
Search for one-way flight options from Greenville to Illinois. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/228:44 am -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:52 pm -
2 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:24 pm -
2 stops20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$135
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:20 am -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$139
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:52 pm -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:15 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:52 pm -
3 stops22h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:40 am -
2 stops9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$154
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:36 am -
Nonstop2h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:48 pm -
1 stop4h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:25 pm -
1 stop4h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$169
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/228:50 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$180
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Delta) |
One-way from | $119 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $358 |
Good round-trip deal | $369 or less |
Good one-way deal | $292 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 7,457,451 searches. Data last updated October 30, 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 Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 2/4
3:31 pm-11:46 pm
2 stops33h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Fri 12/4
7:48 pm-11:29 pm
1 stop4h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Fri 12/11
7:25 pm-10:54 pm
1 stop4h 29m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Sun 11/22
7:01 am-8:35 am
Nonstop2h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Sun 11/22
8:50 pm-12:10 am
1 stop4h 20m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Wed 2/10
5:38 am-10:04 am
1 stop5h 26m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 2/4
7:13 am-1:01 pm
1 stop6h 48m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Wed 2/10
8:25 am-4:00 pm
2 stops8h 35m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Sun 11/22
8:44 am-7:23 am
2 stops23h 39m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$201
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 11/12
10:12 am-5:47 pm
3 stops32h 35m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
Showing 1-10 of 52 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-ORD
GSP-MDW
GSP-PIA
GSP-MLI
GSP-BMI
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-ORD
GSP-MDW
GSP-PIA
GSP-MLI
What is the cheapest month to book a flight from Greenville to Illinois?
Currently, March is the cheapest month in which you can book a flight from Greenville to Illinois (average of $286). Flying from Greenville to Illinois in October is currently the most expensive (average of $366). 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 October 30, 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 50% on airfare.
How much does it cost to fly round-trip from Greenville to Illinois?
Airfare is typical for this route at the moment.
Greenville to Illinois flights typically cost between $296 and $439 in November.The cheapest round-trip price found within the last 5 days was $317 on Multiple Airlines (Nov 21-Nov 30).
How far ahead should I book a flight from Greenville to Illinois?
To ensure you get the cheapest price possible for a flight from Greenville to Illinois, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 October 24, 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.
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 October 30, 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.
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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 October 30, 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$357 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$352 | FlexibilityNo cancel fee | On-time71% |