$104+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — ORD
Nov 11 — Nov 181
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 October 12, 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 12, 2026.
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.
Sat 11/74:55 pm -
1 stop3h 45m
Sat 11/141:25 pm -
1 stop5h 10m
Deal found 10/8![Southwest logo]()
$281
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:50 pm -
1 stop5h 05m
Thu 11/1211:10 am -
2 stops8h 00m
Deal found 10/7![Southwest logo]()
$287
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.
Fri 10/302:49 pm -
1 stop25h 48m
Tue 11/37:35 pm -
2 stops23h 09m
Deal found 10/10![Multiple Airlines logo]()
$294
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.
Thu 11/128:43 am -
1 stop25h 03m
Mon 11/167:50 pm -
2 stops18h 39m
Deal found 10/9![Multiple Airlines logo]()
$299
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.
Fri 11/62:42 pm -
1 stop25h 55m
Tue 11/107:35 pm -
2 stops23h 09m
Deal found 10/10![Multiple Airlines logo]()
$302
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.
Fri 10/308:32 pm -
1 stop13h 14m
Sun 11/17:55 am -
1 stop24h 36m
Deal found 10/9![Multiple Airlines logo]()
$303
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 11/1210:12 am -
2 stops24h 02m
Sun 11/157:55 am -
1 stop25h 56m
Deal found 10/7![Multiple Airlines 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 11/47:05 am -
1 stop6h 50m
Sat 11/71:25 pm -
1 stop5h 10m
Deal found 10/8![Southwest logo]()
$307
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 12/1010:12 am -
1 stop13h 02m
Mon 12/148:15 am -
2 stops30h 14m
Deal found 10/8![Multiple Airlines logo]()
$308
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.
Tue 11/106:42 pm -
1 stop6h 17m
Sun 11/155:00 am -
1 stop5h 07m
Deal found 10/9![American Airlines logo]()
$310
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.
Mon 11/308:52 pm -
2 stops35h 23m
Sun 12/136:10 am -
1 stop25h 03m
Deal found 10/11![Multiple Airlines logo]()
$311
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 11/51:00 pm -
2 stops8h 05m
Tue 11/1011:30 am -
2 stops8h 20m
Deal found 10/8![Southwest logo]()
$312
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 12, 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 12, 2026.
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.
Wed 11/118:11 am -
1 stop4h 15m
Sun 11/154:28 pm -
1 stop6h 25m
Deal found 10/9![Delta logo]()
$310
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.
Fri 10/238:40 pm -
1 stop4h 15m
Mon 10/264:30 pm -
1 stop5h 20m
Deal found 10/8![Southwest logo]()
$313
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 11/113:35 pm -
2 stops9h 24m
Sun 11/152:34 pm -
1 stop6h 25m
Deal found 10/9![American Airlines logo]()
$315
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.
Wed 12/26:30 am -
Nonstop2h 16m
Sat 12/56:50 am -
Nonstop2h 02m
Deal found 10/7![United Airlines logo]()
$319
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.
Tue 11/103:26 pm -
2 stops9h 33m
Sun 11/155:00 am -
1 stop5h 07m
Deal found 10/9![American Airlines logo]()
$315
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 3/275:43 pm -
Nonstop2h 17m
Wed 3/316:10 pm -
Nonstop2h 01m
Deal found 10/11![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.
Thu 11/125:40 am -
1 stop5h 39m
Sun 11/156:00 am -
1 stop6h 15m
Deal found 10/11![Delta logo]()
$339
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:40 pm -
1 stop4h 15m
Sun 11/111:10 am -
2 stops8h 00m
Deal found 10/7![Southwest logo]()
$342
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 3/116:45 am -
1 stop4h 41m
Thu 3/185:00 pm -
1 stop5h 37m
Deal found 10/10![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.
Sat 11/710:50 am -
2 stops7h 35m
Tue 11/108:00 am -
1 stop5h 10m
Deal found 10/11![Southwest logo]()
$344
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.
Fri 10/236:20 am -
Nonstop2h 09m
Mon 10/265:55 pm -
Nonstop2h 03m
Deal found 10/8![United Airlines logo]()
$359
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 10/228:33 pm -
1 stop4h 23m
Mon 10/264:27 pm -
1 stop3h 56m
Deal found 10/7![American Airlines logo]()
$369
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.
Sat 11/77:20 am -
1 stop6h 39m
Tue 11/101:30 pm -
1 stop3h 49m
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.
Wed 11/116:45 pm -
1 stop5h 00m
Tue 11/179:40 am -
2 stops9h 15m
Deal found 10/11![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.
Wed 11/1110:56 am -
1 stop4h 03m
Tue 11/175:30 am -
1 stop4h 37m
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.
Wed 3/316:50 am -
2 stops9h 10m
Wed 4/711:25 am -
2 stops8h 25m
Deal found 10/11![Southwest logo]()
$349
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.
Fri 12/186:00 am -
1 stop5h 53m
Mon 12/211:46 pm -
1 stop6h 58m
Deal found 10/7![American Airlines logo]()
$384
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 11/227:43 pm -
1 stop5h 18m
Fri 11/275:55 pm -
Nonstop2h 03m
Deal found 10/9![United Airlines logo]()
$404
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/265:40 am -
1 stop3h 54m
Sun 3/285:30 am -
1 stop4h 28m
Deal found 10/8![Delta logo]()
$339
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.
Tue 1/197:05 am -
2 stops8h 45m
Fri 1/2210:05 am -
2 stops7h 10m
Deal found 10/10![Southwest logo]()
$349
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.
Sat 3/277:15 am -
1 stop6h 18m
Wed 3/311:05 pm -
1 stop4h 49m
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.
Fri 3/266:30 am -
Nonstop2h 02m
Sun 3/286:00 am -
1 stop7h 10m
Deal found 10/9![United Airlines logo]()
$429
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.
Sat 10/2411:38 am -
1 stop4h 18m
Wed 10/2812:38 pm -
1 stop4h 30m
Deal found 10/9![American Airlines logo]()
$430
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 12/246:45 pm -
1 stop4h 55m
Tue 12/293:40 pm -
2 stops6h 40m
Deal found 10/8![Southwest logo]()
$364
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.
Fri 11/612:54 pm -
1 stop6h 06m
Sun 11/86:04 am -
1 stop5h 56m
Deal found 10/11![Delta logo]()
$339
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:35 pm -
2 stops9h 32m
Sun 11/156:00 am -
2 stops7h 56m
Deal found 10/11![American Airlines logo]()
$435
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 1/76:30 am -
1 stop4h 33m
Mon 1/112:26 pm -
1 stop5h 36m
Deal found 10/10![United Airlines logo]()
$439
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.
Sun 11/158:50 pm -
1 stop4h 20m
Fri 11/2012:45 pm -
2 stops8h 00m
Deal found 10/11![Southwest logo]()
$364
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 11/2611:00 am -
1 stop5h 15m
Sun 11/296:00 am -
1 stop4h 07m
Deal found 10/11![Delta logo]()
$359
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.
Sat 2/65:29 pm -
1 stop6h 30m
Tue 2/92:22 pm -
1 stop5h 41m
Deal found 10/9![United Airlines logo]()
$439
Last-minute flights from Greenville to IllinoisDiscover last-minute flight deals from Greenville to Illinois. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Illinois. Data last updated October 12, 2026 and is based on user searches.
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 10/228:40 pm -
1 stop4h 15m
Tue 10/272:10 pm -
1 stop3h 20m
Deal found 10/8![Southwest logo]()
$313
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.
Fri 10/302:49 pm -
1 stop25h 48m
Tue 11/37:35 pm -
2 stops23h 09m
Deal found 10/10![Multiple Airlines logo]()
$294
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.
Fri 10/308:32 pm -
1 stop13h 14m
Sun 11/17:55 am -
1 stop24h 36m
Deal found 10/9![Multiple Airlines logo]()
$303
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 11/47:05 am -
1 stop6h 50m
Sat 11/71:25 pm -
1 stop5h 10m
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.
Thu 11/51:00 pm -
2 stops8h 05m
Tue 11/1011:30 am -
2 stops8h 20m
Deal found 10/8![Southwest logo]()
$312
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.
Fri 11/62:42 pm -
1 stop25h 55m
Tue 11/107:35 pm -
2 stops23h 09m
Deal found 10/10![Multiple Airlines logo]()
$302
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.
Sat 11/74:55 pm -
1 stop3h 45m
Sat 11/141:25 pm -
1 stop5h 10m
Deal found 10/8![Southwest logo]()
$281
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.
Tue 11/106:42 pm -
1 stop6h 17m
Sun 11/155:00 am -
1 stop5h 07m
Deal found 10/9![American Airlines logo]()
$310
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:50 pm -
1 stop5h 05m
Thu 11/1211:10 am -
2 stops8h 00m
Deal found 10/7![Southwest logo]()
$287
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.
Thu 11/128:43 am -
1 stop25h 03m
Mon 11/167:50 pm -
2 stops18h 39m
Deal found 10/9![Multiple Airlines logo]()
$299
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 11/1210:12 am -
2 stops24h 02m
Sun 11/157:55 am -
1 stop25h 56m
Deal found 10/7![Multiple Airlines logo]()
$307
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.
Mon 11/308:52 pm -
2 stops35h 23m
Sun 12/136:10 am -
1 stop25h 03m
Deal found 10/11![Multiple Airlines logo]()
$311
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 12, 2026.
Search for one-way flight options from Greenville to Illinois. 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 10/7. 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.
Fri 11/138:52 pm -
2 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$104
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.
Mon 1/118:57 pm -
1 stop13h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$109
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 1/88:57 pm -
1 stop13h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![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.
Tue 11/108:05 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 12/78:32 pm -
2 stops23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$121
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.
Mon 11/98:52 pm -
2 stops22h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$124
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.
Tue 12/811:28 am -
2 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$125
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.
Thu 11/128:43 am -
2 stops16h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$147
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 11/510:12 am -
2 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$151
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.
Wed 11/188:47 pm -
2 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$153
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.
Thu 11/128:50 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Southwest logo]()
$170
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.
Fri 10/308:52 pm -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines 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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Southwest) |
One-way from | $104 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $352 |
Good round-trip deal | $373 or less |
Good one-way deal | $254 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 12, 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 12/10
6:45 pm-10:40 pm
1 stop4h 55m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$112
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 11/5
8:50 pm-12:10 am
1 stop4h 20m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$112
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Tue 11/10
8:05 am-2:40 pm
1 stop7h 35m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$112
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 11/12
8:43 am-11:47 pm
2 stops16h 04m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
GreenvilleChicago
GSP Greenville - MDW Chicago Midway
GSPMDW
Greenville
Thu 11/5
10:12 am-11:47 pm
2 stops14h 35m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
Quickest round-trip
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Thu 12/10
6:30 am-7:46 am
Nonstop2h 16m
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
Wed 11/11
5:37 pm-7:00 pm
Nonstop2h 23m
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
Thu 11/12
7:42 pm-11:54 pm
1 stop5h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Fri 11/27
3:28 pm-9:34 pm
1 stop7h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
GreenvilleChicago
GSP Greenville - ORD Chicago O'Hare Intl
GSPORD
Greenville
Tue 12/8
8:06 am-12:24 pm
1 stop5h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
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-MDW
GSP-ORD
GSP-BMI
GSP-CMI
GSP-MLI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Greenville to Illinois
GSP-USIL
GSP-MDW
GSP-ORD
GSP-BMI
GSP-CMI
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 June is currently the most expensive (average of $368). 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 12, 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 49% 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 October 12, 2026.
The most flights from GSP to USIL are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Greenville to Illinois?
Airfare is below average for this route at the moment.
Greenville to Illinois flights typically cost between $299 and $471 in October.The cheapest round-trip price found within the last 5 days was $294 on Multiple Airlines (Oct 30-Nov 3).
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 10, 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 12, 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.
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.8
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 12, 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$350 | FlexibilityNo cancel fee | On-time71% |