$126+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — ORD
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Illinois with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 November 9, 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 November 9, 2026.
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/26:47 pm -
Nonstop2h 28m
Sat 12/53:15 pm -
Nonstop2h 00m
Deal found 11/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/157:05 am -
Nonstop2h 25m
Sat 12/194:59 pm -
Nonstop2h 03m
Deal found 11/5![American Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/208:52 pm -
2 stops27h 42m
Fri 11/274:00 pm -
1 stop14h 54m
Deal found 11/8![Multiple Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/1811:43 am -
Nonstop2h 23m
Mon 12/218:46 am -
1 stop5h 39m
Deal found 11/5![American Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/232:42 pm -
1 stop9h 52m
Fri 11/274:00 pm -
1 stop14h 54m
Deal found 11/9![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/72:58 pm -
2 stops32h 02m
Mon 12/146:07 am -
1 stop7h 01m
Deal found 11/7![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:32 pm -
1 stop13h 46m
Sun 12/66:07 am -
1 stop25h 06m
Deal found 11/6![Multiple Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/37:05 am -
Nonstop2h 25m
Sun 12/66:54 pm -
Nonstop2h 02m
Deal found 11/5![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/310:27 am -
1 stop5h 22m
Mon 12/75:02 pm -
1 stop3h 47m
Deal found 11/5![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/312:18 pm -
1 stop4h 58m
Mon 12/76:00 am -
1 stop4h 13m
Deal found 11/5![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/132:42 pm -
1 stop25h 55m
Mon 11/167:55 am -
2 stops11h 17m
Deal found 11/8![Multiple Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:00 pm -
2 stops8h 10m
Thu 12/176:30 pm -
1 stop3h 30m
Deal found 11/5![Southwest logo]()
$344
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 November 9, 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 November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/232:42 pm -
1 stop9h 52m
Fri 11/274:00 pm -
1 stop14h 54m
Deal found 11/9![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 11/5. 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 1/55:38 am -
1 stop5h 32m
Wed 1/65:07 pm -
1 stop5h 46m
Deal found 11/5![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:00 pm -
2 stops8h 10m
Thu 12/176:30 pm -
1 stop3h 30m
Deal found 11/5![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/8. 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 1/812:35 pm -
2 stops10h 09m
Mon 1/112:26 pm -
2 stops8h 08m
Deal found 11/8![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 11/213:58 pm -
2 stops9h 09m
Thu 11/265:00 am -
1 stop5h 07m
Deal found 11/5![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/227:37 pm -
1 stop5h 24m
Sat 1/25:50 pm -
Nonstop2h 01m
Deal found 11/9![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:05 am -
1 stop10h 10m
Fri 1/18:00 am -
1 stop5h 10m
Deal found 11/5![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 11/9. 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 12/257:21 am -
1 stop6h 45m
Fri 1/16:00 am -
1 stop3h 48m
Deal found 11/9![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/207:37 pm -
1 stop5h 24m
Sun 1/36:35 am -
Nonstop1h 58m
Deal found 11/9![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/9. 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.
Wed 4/285:05 pm -
1 stop6h 05m
Mon 5/36:00 am -
1 stop3h 58m
Deal found 11/9![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 11/9. 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.
Wed 2/177:15 am -
2 stops8h 05m
Thu 2/183:40 pm -
1 stop5h 10m
Deal found 11/9![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 12/117:25 pm -
1 stop4h 29m
Sun 12/135:12 pm -
1 stop4h 10m
Deal found 11/6![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 11/7. 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 12/77:05 am -
2 stops8h 25m
Mon 12/1412:45 pm -
1 stop4h 25m
Deal found 11/7![Southwest logo]()
$374
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/223:49 pm -
2 stops9h 26m
Fri 12/2511:22 am -
2 stops8h 36m
Deal found 11/5![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 11/215:37 pm -
1 stop6h 36m
Wed 11/2510:43 am -
2 stops12h 04m
Deal found 11/5![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 11/8. 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 3/57:10 am -
1 stop6h 51m
Mon 3/85:25 pm -
1 stop5h 12m
Deal found 11/8![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/196:20 am -
Nonstop2h 16m
Sun 11/226:29 am -
Nonstop2h 01m
Deal found 11/5![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 2/127:10 am -
1 stop6h 51m
Mon 2/155:49 pm -
1 stop5h 09m
Deal found 11/5![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 11/2310:42 am -
Nonstop2h 06m
Fri 11/275:55 pm -
Nonstop2h 03m
Deal found 11/9![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 1/1512:11 pm -
1 stop5h 44m
Mon 1/186:00 am -
1 stop4h 06m
Deal found 11/5![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/203:28 pm -
2 stops9h 39m
Tue 11/245:00 am -
2 stops9h 17m
Deal found 11/5![American Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 11/2110:25 am -
1 stop6h 20m
Thu 11/266:01 am -
1 stop6h 14m
Deal found 11/5![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 11/255:37 pm -
Nonstop2h 23m
Sun 11/296:29 am -
Nonstop2h 01m
Deal found 11/5![United Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 11/7. 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.
Sat 11/218:11 am -
1 stop5h 09m
Sat 11/286:15 pm -
1 stop4h 38m
Deal found 11/7![Delta logo]()
$389
This KAYAK deal was found by Cheapflights users on 11/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:27 pm -
1 stop6h 40m
Thu 12/34:36 pm -
1 stop6h 01m
Deal found 11/9![American Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 11/6. 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 4/286:30 am -
1 stop4h 44m
Sat 5/110:35 am -
1 stop5h 25m
Deal found 11/6![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/9. 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.
Sun 12/207:41 pm -
1 stop5h 21m
Sun 1/36:25 am -
1 stop4h 34m
Deal found 11/9![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/233:28 pm -
2 stops9h 39m
Sat 11/285:00 am -
1 stop5h 07m
Deal found 11/6![American Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 4/76:30 am -
1 stop4h 44m
Sat 4/102:26 pm -
1 stop5h 45m
Deal found 11/7![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 4/76:30 am -
1 stop4h 51m
Sat 4/103:30 pm -
1 stop4h 41m
Deal found 11/7![United Airlines logo]()
$449
Last-minute flights from Greenville to IllinoisDiscover last-minute flight deals from Greenville to Illinois. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Illinois. Data last updated November 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/132:42 pm -
1 stop25h 55m
Mon 11/167:55 am -
2 stops11h 17m
Deal found 11/8![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/208:52 pm -
2 stops27h 42m
Fri 11/274:00 pm -
1 stop14h 54m
Deal found 11/8![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/232:42 pm -
1 stop9h 52m
Fri 11/274:00 pm -
1 stop14h 54m
Deal found 11/9![Multiple Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/26:47 pm -
Nonstop2h 28m
Sat 12/53:15 pm -
Nonstop2h 00m
Deal found 11/5![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/37:05 am -
Nonstop2h 25m
Sun 12/66:54 pm -
Nonstop2h 02m
Deal found 11/5![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/310:27 am -
1 stop5h 22m
Mon 12/75:02 pm -
1 stop3h 47m
Deal found 11/5![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/312:18 pm -
1 stop4h 58m
Mon 12/76:00 am -
1 stop4h 13m
Deal found 11/5![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:32 pm -
1 stop13h 46m
Sun 12/66:07 am -
1 stop25h 06m
Deal found 11/6![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/72:58 pm -
2 stops32h 02m
Mon 12/146:07 am -
1 stop7h 01m
Deal found 11/7![Multiple Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:00 pm -
2 stops8h 10m
Thu 12/176:30 pm -
1 stop3h 30m
Deal found 11/5![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/157:05 am -
Nonstop2h 25m
Sat 12/194:59 pm -
Nonstop2h 03m
Deal found 11/5![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/1811:43 am -
Nonstop2h 23m
Mon 12/218:46 am -
1 stop5h 39m
Deal found 11/5![American Airlines logo]()
$329
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 November 9, 2026.
Search for one-way flight options from Greenville to Illinois. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/148:52 pm -
3 stops26h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/72:42 pm -
2 stops32h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/72:42 pm -
2 stops21h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Tue 12/811:28 am -
2 stops28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/218:52 pm -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Tue 12/811:28 am -
3 stops25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/125:34 pm -
Nonstop2h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/238:52 pm -
2 stops27h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/212:53 pm -
2 stops22h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/128:26 am -
1 stop6h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![American Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 2/175:30 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$170
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/171:05 pm -
2 stops6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$175
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $126 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $343 |
Good round-trip deal | $395 or less |
Good one-way deal | $288 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 November 9, 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 - ORD Chicago O'Hare Intl
GSPORD
Greenville
Wed 2/17
5:48 pm-7:05 pm
Nonstop2h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$160
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Mon 12/21
8:52 pm-12:13 am
3 stops28h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Wed 2/17
5:30 pm-10:45 pm
1 stop6h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Mon 2/15
3:30 pm-11:50 am
2 stops21h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Wed 2/17
1:05 pm-6:35 pm
2 stops6h 30m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Mon 2/15
3:30 pm-11:46 pm
2 stops33h 16m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$176
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Wed 12/30
7:41 pm-12:02 am
1 stop5h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Wed 2/24
7:45 pm-11:25 pm
1 stop4h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Tue 12/8
2:50 pm-6:55 pm
1 stop5h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Wed 2/24
5:37 am-10:05 am
1 stop5h 28m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Showing 1-10 of 51 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-MLI
GSP-BMI
GSP-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 Greenville to Illinois
GSP-USIL
GSP-ORD
GSP-MDW
GSP-MLI
GSP-BMI
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 $283). Flying from Greenville to Illinois in October is currently the most expensive (average of $395). 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 November 9, 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 51% on airfare.
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 November 9, 2026.
The most flights from GSP to USIL are scheduled on a Monday (27 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (23 on average).
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 $319 and $465 in December.The cheapest round-trip price found within the last 5 days was $319 on American Airlines (Dec 23-Jan 4).
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 November 7, 2026.
Travelers seeking maximum savings on their Greenville to Illinois flight should consider departing on Thursday 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 November 9, 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.
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
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 November 9, 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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$373 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$362 | FlexibilityNo cancel fee | On-time69% |