$96+ Cheap flights from Illinois to Greenville (GSP)
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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GSP
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Greenville with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Greenville
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Cheapest flights from Illinois to GreenvilleExplore the most affordable flight options available from Illinois to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from Illinois to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Sun 11/17:55 am -
1 stop23h 18m
Thu 11/510:12 am -
2 stops24h 02m
Deal found 10/10![Multiple Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:50 pm -
1 stop6h 05m
Sun 11/158:50 pm -
1 stop4h 20m
Deal found 10/8![Southwest logo]()
$281
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 11/132:34 pm -
1 stop6h 25m
Mon 11/166:42 pm -
1 stop6h 17m
Deal found 10/8![American Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Sun 11/157:55 am -
1 stop25h 56m
Thu 11/198:44 am -
1 stop7h 53m
Deal found 10/10![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 11/197:55 am -
1 stop23h 18m
Mon 11/232:42 pm -
1 stop9h 52m
Deal found 10/8![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 10/258:04 am -
1 stop23h 11m
Thu 10/296:08 pm -
2 stops29h 35m
Deal found 10/9![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 12/46:10 am -
1 stop6h 58m
Mon 12/78:32 pm -
2 stops23h 05m
Deal found 10/8![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop23h 18m
Wed 11/188:47 pm -
2 stops24h 46m
Deal found 10/11![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Wed 10/287:28 pm -
2 stops17h 25m
Fri 10/308:32 pm -
1 stop13h 14m
Deal found 10/9![Multiple Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:10 am -
2 stops8h 00m
Thu 11/128:50 pm -
1 stop4h 20m
Deal found 10/8![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sat 10/244:00 pm -
1 stop3h 40m
Wed 10/287:20 pm -
1 stop3h 55m
Deal found 10/9![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:00 am -
1 stop8h 18m
Tue 11/311:28 am -
2 stops32h 02m
Deal found 10/7![Multiple Airlines logo]()
$317
Best flights from Illinois to GreenvilleDiscover carefully curated flight deals from Illinois to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from Illinois to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 11/132:34 pm -
1 stop6h 25m
Mon 11/166:42 pm -
1 stop6h 17m
Deal found 10/8![American Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sat 10/244:00 pm -
1 stop3h 40m
Wed 10/287:20 pm -
1 stop3h 55m
Deal found 10/9![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:35 am -
Nonstop1h 58m
Tue 12/296:30 am -
Nonstop2h 23m
Deal found 10/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/236:00 am -
1 stop4h 07m
Wed 12/28:06 am -
1 stop4h 58m
Deal found 10/11![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/161:02 pm -
1 stop5h 54m
Fri 12/188:06 am -
1 stop4h 58m
Deal found 10/11![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/9. 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 12/1611:26 am -
1 stop5h 49m
Mon 12/218:36 pm -
1 stop4h 40m
Deal found 10/9![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 pm -
1 stop7h 50m
Sun 11/18:50 pm -
1 stop4h 15m
Deal found 10/8![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/126:00 am -
1 stop4h 07m
Wed 11/185:40 am -
1 stop5h 44m
Deal found 10/11![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/212:45 pm -
2 stops6h 25m
Thu 11/51:00 pm -
2 stops8h 25m
Deal found 10/11![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 10/10. 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 11/125:30 am -
1 stop6h 45m
Mon 11/167:19 pm -
1 stop5h 35m
Deal found 10/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 am -
Nonstop1h 56m
Tue 11/36:20 am -
Nonstop2h 16m
Deal found 10/7![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 12/136:00 am -
1 stop4h 06m
Wed 12/166:47 pm -
1 stop6h 35m
Deal found 10/10![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/38:05 am -
1 stop5h 49m
Tue 11/1010:56 am -
1 stop6h 22m
Deal found 10/11![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/9. 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 11/25:55 pm -
Nonstop2h 03m
Thu 11/57:43 pm -
1 stop5h 18m
Deal found 10/9![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/2511:30 am -
2 stops8h 15m
Tue 12/2910:35 am -
2 stops8h 15m
Deal found 10/11![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 10/7. 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.
Thu 11/125:13 pm -
1 stop3h 59m
Mon 11/167:19 pm -
1 stop4h 49m
Deal found 10/7![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/255:55 am -
1 stop7h 21m
Tue 12/15:34 pm -
Nonstop2h 26m
Deal found 10/11![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:20 am -
1 stop5h 46m
Mon 11/163:35 pm -
2 stops9h 32m
Deal found 10/7![American Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 10/10. 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.
Sun 10/257:55 am -
1 stop3h 25m
Thu 10/292:10 pm -
1 stop6h 45m
Deal found 10/10![Southwest logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 1/3010:40 am -
1 stop5h 14m
Wed 2/35:29 pm -
1 stop6h 30m
Deal found 10/8![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:06 am -
1 stop3h 54m
Sat 10/316:00 am -
1 stop6h 51m
Deal found 10/12![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 11/182:35 pm -
1 stop5h 23m
Mon 11/236:20 am -
1 stop4h 48m
Deal found 10/9![United Airlines logo]()
$439
This KAYAK deal was found by Cheapflights users on 10/9. 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.
Sun 11/16:55 pm -
Nonstop2h 04m
Fri 11/64:37 pm -
Nonstop2h 24m
Deal found 10/9![American Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 4/102:26 pm -
1 stop5h 45m
Wed 4/1410:50 am -
1 stop4h 01m
Deal found 10/8![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/56:25 am -
2 stops6h 51m
Mon 11/95:37 pm -
1 stop6h 21m
Deal found 10/11![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 10/9. 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 10/221:55 pm -
1 stop6h 32m
Sun 10/255:40 am -
1 stop3h 59m
Deal found 10/9![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 10/246:55 am -
Nonstop2h 03m
Mon 10/265:37 pm -
Nonstop2h 22m
Deal found 10/11![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Thu 11/55:55 am -
1 stop7h 21m
Mon 11/97:43 pm -
2 stops16h 46m
Deal found 10/10![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/9. 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 11/15:00 am -
1 stop5h 10m
Fri 11/67:43 pm -
1 stop5h 18m
Deal found 10/9![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 12/22:36 pm -
1 stop5h 23m
Sat 12/52:04 pm -
1 stop4h 54m
Deal found 10/12![United Airlines logo]()
$501
Last-minute flights from Illinois to GreenvilleDiscover last-minute flight deals from Illinois to Greenville. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Greenville. Data last updated October 12, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sat 10/244:00 pm -
1 stop3h 40m
Wed 10/287:20 pm -
1 stop3h 55m
Deal found 10/9![Southwest logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 10/258:04 am -
1 stop23h 11m
Thu 10/296:08 pm -
2 stops29h 35m
Deal found 10/9![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Wed 10/287:28 pm -
2 stops17h 25m
Fri 10/308:32 pm -
1 stop13h 14m
Deal found 10/9![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:00 am -
1 stop8h 18m
Tue 11/311:28 am -
2 stops32h 02m
Deal found 10/7![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Sun 11/17:55 am -
1 stop23h 18m
Thu 11/510:12 am -
2 stops24h 02m
Deal found 10/10![Multiple Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:10 am -
2 stops8h 00m
Thu 11/128:50 pm -
1 stop4h 20m
Deal found 10/8![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:50 pm -
1 stop6h 05m
Sun 11/158:50 pm -
1 stop4h 20m
Deal found 10/8![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop23h 18m
Wed 11/188:47 pm -
2 stops24h 46m
Deal found 10/11![Multiple Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 11/132:34 pm -
1 stop6h 25m
Mon 11/166:42 pm -
1 stop6h 17m
Deal found 10/8![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 11/143:06 pm -
Nonstop2h 00m
Mon 11/166:42 pm -
Nonstop2h 31m
Deal found 10/8![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Sun 11/157:55 am -
1 stop25h 56m
Thu 11/198:44 am -
1 stop7h 53m
Deal found 10/10![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 11/197:55 am -
1 stop23h 18m
Mon 11/232:42 pm -
1 stop9h 52m
Deal found 10/8![Multiple Airlines logo]()
$289
One-way flights from Illinois to GreenvilleSearch for one-way flight options from Illinois to Greenville. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from Illinois to Greenville. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 11/264:00 pm -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” 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 11/157:55 am -
1 stop25h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$111
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:40 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/97:50 pm -
2 stops18h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:00 am -
1 stop11h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Thu 12/1010:37 pm -
2 stops20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:04 pm -
3 stops30h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Sun 11/87:55 am -
1 stop23h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:35 pm -
2 stops35h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 11/167:55 am -
2 stops11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
2 stops25h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 11/116:08 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$142
Find flight deals from Illinois to Greenville
Keep the following information in mind while searching for Illinois to Greenville flight deals. Data was last updated October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (Kiwi.com) |
One-way from | $96 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $315 |
Good round-trip deal | $319 or less |
Good one-way deal | $189 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Greenville 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 12, 2026.
Use the filters below to find and compare flights from Illinois to Greenville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Wed 12/16
5:12 pm-10:22 pm
1 stop4h 10m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Mon 11/23
6:30 pm-11:00 pm
1 stop3h 30m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Sat 11/7
1:25 pm-7:35 pm
1 stop5h 10m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Thu 11/12
6:00 am-11:07 am
1 stop4h 07m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Tue 11/3
8:00 am-2:10 pm
1 stop5h 10m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Wed 11/11
1:05 pm-6:19 pm
1 stop4h 14m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
MDW Chicago Midway - GSP Greenville
MDWGSP
Chicago Midway
Wed 11/11
12:50 pm-7:55 pm
1 stop6h 05m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
ORD Chicago O'Hare Intl - GSP Greenville
ORDGSP
Chicago O'Hare Intl
Wed 11/11
2:44 pm-9:33 pm
1 stop5h 49m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
ORD Chicago O'Hare Intl - GSP Greenville
ORDGSP
Chicago O'Hare Intl
Fri 11/13
6:15 pm-11:53 pm
1 stop4h 38m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
ChicagoGreenville
ORD Chicago O'Hare Intl - GSP Greenville
ORDGSP
Chicago O'Hare Intl
Mon 11/9
6:49 am-1:15 pm
1 stop5h 26m
Greenville
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
Showing 1-10 of 52 resultsSorted by cheapest first
Best time to book a flight from Illinois to Greenville
Have a flexible travel schedule? Discover the best time to fly to Greenville from Illinois with our price prediction graph.
BMI-GSP
MDW-GSP
ORD-GSP
MLI-GSP
SPI-GSP
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 Illinois to Greenville
USIL-GSP
BMI-GSP
MDW-GSP
ORD-GSP
MLI-GSP
What is the cheapest month to book a flight from Illinois to Greenville?
Currently, February is the cheapest month in which you can book a flight from Illinois to Greenville (average of $286). Flying from Illinois to Greenville in May is currently the most expensive (average of $370). 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 IL to GSP?
Find hourly flight availability from Illinois to Greenville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 12, 2026.
When flying from Illinois to Greenville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight at noon.
Weekly flight availability from Illinois to Greenville
Explore weekly flight availability from Illinois to Greenville. 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 October 12, 2026.
The most flights from USIL to GSP are scheduled on a Monday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Illinois to Greenville?
Airfare is below average for this route at the moment.
Illinois to Greenville flights typically cost between $299 and $450 in November.The cheapest round-trip price found within the last 5 days was $280 on Multiple Airlines (Nov 1-Nov 5).
How far ahead should I book a flight from Illinois to Greenville?
To ensure you get the cheapest price possible for a flight from Illinois to Greenville, you should look to book at least 76 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 Illinois to Greenville?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Greenville. Price data was last updated on October 10, 2026.
Travelers seeking maximum savings on their Illinois to Greenville flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Greenville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Greenville?
Book flights to Greenville if you plan to visit one of these locationsGreer
Simpsonville
Greenwood
Duncan
Anderson
Seneca
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to Greenville
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Complete your trip
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Search flights from Illinois to Greenville by cabin class
Find flights from Illinois to Greenville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Greenville
Explore flights to Greenville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Illinois and Greenville flights
Browse other Illinois and Greenville flight options. Last updated on October 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Greenville flights
Consider these flights traveling from Illinois to Greenville.
Top 3 airlines flying from Illinois to Greenville
Discover the top 3 airlines that operate flights from Illinois to Greenville. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$361 | FlexibilityNo cancel fee | On-timeN/A |