$172+ Cheap flights from Harrisburg (MDT) 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ORD
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg to Illinois with Cheapflights
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Cheapest flights from Harrisburg to IllinoisExplore the most affordable flight options available from Harrisburg to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Harrisburg to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/165:54 pm -
Nonstop2h 11m
Wed 10/2110:25 am -
Nonstop2h 02m
Deal found 9/22![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/156:15 am -
1 stop6h 33m
Sun 10/186:29 pm -
Nonstop2h 03m
Deal found 9/22![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/136:34 am -
Nonstop2h 26m
Sun 11/157:20 pm -
Nonstop1h 55m
Deal found 9/21![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/98:09 pm -
Nonstop2h 20m
Sun 10/117:20 pm -
Nonstop1h 59m
Deal found 9/19![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/106:00 am -
1 stop6h 59m
Sat 11/144:13 pm -
1 stop6h 37m
Deal found 9/23![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/156:08 am -
1 stop5h 43m
Sun 10/186:00 am -
1 stop4h 19m
Deal found 9/21![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/176:25 pm -
1 stop5h 05m
Sat 10/2411:08 am -
2 stops10h 50m
Deal found 9/19![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/98:09 pm -
Nonstop2h 20m
Mon 10/127:20 pm -
Nonstop1h 59m
Deal found 9/20![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/136:22 pm -
1 stop5h 32m
Sun 11/156:44 pm -
1 stop3h 22m
Deal found 9/21![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 12/238:14 pm -
Nonstop2h 34m
Sat 1/23:20 pm -
1 stop4h 16m
Deal found 9/18![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/76:30 am -
1 stop4h 42m
Sat 10/102:28 pm -
1 stop6h 33m
Deal found 9/21![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/56:30 am -
Nonstop2h 11m
Fri 10/236:29 pm -
Nonstop2h 03m
Deal found 9/22![United Airlines logo]()
$374
Best flights from Harrisburg to IllinoisDiscover carefully curated flight deals from Harrisburg to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Harrisburg to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/246:23 pm -
1 stop6h 31m
Fri 11/277:05 am -
1 stop3h 24m
Deal found 9/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/76:30 am -
1 stop4h 42m
Sat 10/102:28 pm -
1 stop6h 33m
Deal found 9/21![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/76:08 am -
1 stop5h 43m
Sun 10/116:00 am -
1 stop4h 19m
Deal found 9/22![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/2312:09 pm -
1 stop5h 09m
Wed 12/25:30 am -
1 stop5h 13m
Deal found 9/23![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/176:25 pm -
1 stop5h 08m
Sat 10/246:44 pm -
1 stop3h 14m
Deal found 9/19![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/172:32 pm -
2 stops10h 39m
Sat 10/2411:21 am -
2 stops10h 38m
Deal found 9/19![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/46:33 pm -
1 stop5h 21m
Mon 12/75:12 pm -
1 stop5h 36m
Deal found 9/20![Delta logo]()
$339
This KAYAK deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Thu 10/156:30 am -
Nonstop2h 11m
Wed 10/216:50 am -
Nonstop2h 01m
Deal found 9/20![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/106:00 am -
1 stop6h 59m
Sat 11/144:13 pm -
1 stop6h 37m
Deal found 9/23![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/268:15 am -
Nonstop2h 23m
Wed 12/25:59 pm -
Nonstop1h 55m
Deal found 9/23![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/225:00 am -
1 stop6h 55m
Sun 12/277:01 am -
1 stop7h 06m
Deal found 9/19![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 1/76:10 am -
1 stop3h 35m
Sun 1/105:59 pm -
1 stop3h 47m
Deal found 9/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/172:55 pm -
1 stop4h 46m
Tue 10/206:29 pm -
Nonstop2h 03m
Deal found 9/21![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/710:42 am -
2 stops6h 51m
Sat 10/1011:21 am -
2 stops10h 38m
Deal found 9/21![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/226:13 am -
1 stop4h 19m
Mon 10/266:44 pm -
1 stop3h 14m
Deal found 9/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 1/66:30 am -
1 stop4h 35m
Sat 1/92:35 pm -
1 stop5h 20m
Deal found 9/22![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/176:25 pm -
1 stop5h 05m
Sat 10/2411:08 am -
1 stop5h 30m
Deal found 9/19![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 1/278:32 am -
1 stop7h 38m
Sat 1/303:45 pm -
1 stop4h 10m
Deal found 9/21![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/86:00 am -
1 stop5h 03m
Sat 10/104:19 pm -
1 stop6h 20m
Deal found 9/22![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 12/1112:20 pm -
1 stop6h 41m
Sun 12/139:37 am -
1 stop5h 39m
Deal found 9/22![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/226:15 am -
1 stop4h 23m
Mon 10/267:50 pm -
2 stops17h 08m
Deal found 9/19![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 1/146:00 am -
1 stop6h 40m
Sun 1/174:20 pm -
2 stops20h 29m
Deal found 9/19![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/1712:13 pm -
1 stop6h 47m
Mon 10/195:09 pm -
1 stop5h 30m
Deal found 9/18![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/32:08 pm -
Nonstop2h 11m
Sun 10/48:50 am -
1 stop4h 09m
Deal found 9/23![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/236:20 am -
1 stop4h 20m
Sat 1/29:20 pm -
2 stops15h 40m
Deal found 9/19![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/312:30 pm -
1 stop5h 07m
Fri 10/95:29 pm -
1 stop4h 29m
Deal found 9/20![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/292:10 pm -
Nonstop2h 18m
Fri 10/3010:29 am -
Nonstop1h 53m
Deal found 9/21![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am -
1 stop4h 35m
Wed 11/188:13 am -
1 stop4h 11m
Deal found 9/21![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/86:30 am -
1 stop4h 36m
Mon 10/126:15 am -
1 stop26h 36m
Deal found 9/20![United Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/46:25 am -
1 stop4h 41m
Thu 10/88:30 am -
1 stop3h 57m
Deal found 9/19![United Airlines logo]()
$757
Last-minute flights from Harrisburg to IllinoisDiscover last-minute flight deals from Harrisburg to Illinois. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Illinois. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/27:15 pm -
1 stop5h 41m
Sun 10/45:00 am -
1 stop4h 30m
Deal found 9/18![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/56:30 am -
Nonstop2h 11m
Fri 10/236:29 pm -
Nonstop2h 03m
Deal found 9/22![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/66:13 am -
1 stop4h 19m
Sat 10/106:44 pm -
1 stop3h 14m
Deal found 9/21![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/76:30 am -
1 stop4h 42m
Sat 10/102:28 pm -
1 stop6h 33m
Deal found 9/21![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/712:13 pm -
2 stops11h 17m
Sat 10/105:09 pm -
1 stop5h 30m
Deal found 9/21![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/98:09 pm -
Nonstop2h 20m
Sun 10/117:20 pm -
Nonstop1h 59m
Deal found 9/19![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/98:09 pm -
Nonstop2h 20m
Mon 10/127:20 pm -
Nonstop1h 59m
Deal found 9/20![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/98:09 pm -
Nonstop2h 20m
Tue 10/133:48 pm -
1 stop5h 54m
Deal found 9/19![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/156:30 am -
Nonstop2h 11m
Sun 10/186:29 pm -
Nonstop2h 03m
Deal found 9/23![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/156:08 am -
1 stop5h 43m
Sun 10/186:00 am -
1 stop4h 19m
Deal found 9/21![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/176:25 pm -
1 stop5h 08m
Tue 10/205:09 pm -
1 stop5h 30m
Deal found 9/22![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/176:25 pm -
1 stop5h 05m
Sat 10/2411:08 am -
2 stops10h 50m
Deal found 9/19![Delta logo]()
$344
One-way flights from Harrisburg to IllinoisSearch for one-way flight options from Harrisburg to Illinois. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Harrisburg to Illinois. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/157:03 pm -
1 stop22h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/1510:02 pm -
2 stops14h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/244:25 pm -
2 stops46h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/186:25 am -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/224:05 pm -
2 stops45h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/198:29 pm -
3 stops44h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/171:21 pm -
2 stops42h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/198:29 pm -
2 stops28h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/227:03 pm -
1 stop22h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/234:58 pm -
2 stops44h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/1510:02 pm -
2 stops38h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/183:58 pm -
3 stops56h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$288
Find flight deals from Harrisburg to Illinois
Keep the following information in mind while searching for Harrisburg to Illinois flight deals. Data was last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (United Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $299 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harrisburg 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 September 23, 2026.
Use the filters below to find and compare flights from Harrisburg to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Thu 12/24
6:00 am-7:27 am
Nonstop2h 27m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Tue 11/17
5:41 pm-7:01 pm
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
Quickest round-trip
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Tue 3/16
6:30 am-7:32 am
Nonstop2h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Fri 3/19
8:40 am-10:00 am
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Sat 11/21
8:15 am-9:38 am
Nonstop2h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Thu 10/15
2:08 pm-3:19 pm
Nonstop2h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Wed 10/21
2:08 pm-3:19 pm
Nonstop2h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Thu 11/19
2:10 pm-3:28 pm
Nonstop2h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Sun 10/25
6:30 am-7:43 am
Nonstop2h 13m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
HarrisburgChicago
MDT Harrisburg - MDW Chicago Midway
MDTMDW
Harrisburg
Fri 10/23
12:13 pm-6:00 pm
1 stop6h 47m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Harrisburg to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Harrisburg with our price prediction graph.
MDT-ORD
MDT-MDW
MDT-MLI
MDT-PIA
MDT-CMI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Harrisburg to Illinois
MDT-USIL
MDT-ORD
MDT-MDW
MDT-MLI
MDT-PIA
What is the cheapest month to book a flight from Harrisburg to Illinois?
Currently, February is the cheapest month in which you can book a flight from Harrisburg to Illinois (average of $269). Flying from Harrisburg to Illinois in March is currently the most expensive (average of $376). 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 MDT to IL?
Find hourly flight availability from Harrisburg 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 September 23, 2026.
It’s typically best to fly out from Harrisburg to Illinois in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Harrisburg to Illinois
Explore weekly flight availability from Harrisburg 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 September 23, 2026.
The most flights from MDT to USIL are scheduled on a Monday (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Harrisburg to Illinois?
Airfare is typical for this route at the moment.
Harrisburg to Illinois flights typically cost between $274 and $462 in October.The cheapest round-trip price found within the last 5 days was $319 on United Airlines (Oct 15-Oct 18).
How far ahead should I book a flight from Harrisburg to Illinois?
The price you pay for your flight from Harrisburg to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Harrisburg to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Harrisburg to Illinois. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Harrisburg to Illinois flight should consider departing on Saturday evenings 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.
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 September 23, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Harrisburg to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Overall
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Harrisburg 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 Harrisburg to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harrisburg to Illinois by cabin class
Find flights from Harrisburg to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harrisburg and Illinois flights
Browse other Harrisburg and Illinois flight options. Last updated on September 23, 2026.
Popular flight searches
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Harrisburg to Illinois flights
Consider these flights traveling from Harrisburg to Illinois.
Top 3 airlines flying from Harrisburg to Illinois
Discover the top 3 airlines that operate flights from Harrisburg 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 September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$354 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$387 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$408 | FlexibilityNo cancel fee | On-timeN/A |