$136+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ORD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg 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 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 November 3, 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 November 3, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:01 pm -
Nonstop2h 34m
Sat 1/24:30 pm -
Nonstop2h 19m
Deal found 10/29![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:10 pm -
Nonstop2h 19m
Thu 12/246:30 pm -
2 stops18h 30m
Deal found 10/30![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:10 pm -
Nonstop2h 18m
Fri 11/271:55 pm -
Nonstop1h 59m
Deal found 10/29![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:03 am -
1 stop4h 57m
Fri 1/13:44 pm -
1 stop4h 31m
Deal found 11/3![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/246:00 am -
1 stop5h 39m
Fri 11/277:05 am -
1 stop3h 24m
Deal found 11/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop4h 37m
Sun 12/66:00 am -
1 stop4h 43m
Deal found 11/2![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:11 am -
Nonstop2h 33m
Thu 12/244:50 pm -
1 stop4h 06m
Deal found 10/30![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:11 pm -
Nonstop2h 19m
Mon 11/167:20 pm -
Nonstop1h 55m
Deal found 10/30![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/96:30 am -
Nonstop2h 20m
Sat 11/213:55 pm -
Nonstop2h 02m
Deal found 10/31![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:09 pm -
1 stop6h 55m
Mon 11/166:44 pm -
1 stop3h 22m
Deal found 10/30![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/912:09 pm -
1 stop6h 55m
Sat 11/216:44 pm -
1 stop3h 22m
Deal found 10/31![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/225:07 am -
1 stop6h 08m
Fri 1/15:00 am -
2 stops11h 26m
Deal found 11/3![American Airlines logo]()
$424
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 November 3, 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 November 3, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:03 am -
1 stop4h 57m
Fri 1/13:44 pm -
1 stop4h 31m
Deal found 11/3![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/116:33 pm -
1 stop6h 23m
Sun 12/137:05 am -
1 stop3h 39m
Deal found 11/2![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:39 am -
2 stops8h 28m
Sat 11/285:43 pm -
1 stop5h 06m
Deal found 11/1![American Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:20 am -
1 stop4h 20m
Mon 1/185:55 pm -
Nonstop1h 54m
Deal found 10/30![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:24 pm -
1 stop4h 53m
Sun 12/135:30 am -
1 stop5h 13m
Deal found 11/2![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:15 am -
1 stop3h 34m
Mon 1/116:40 pm -
1 stop3h 30m
Deal found 11/3![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:20 am -
1 stop4h 43m
Sat 1/302:26 pm -
1 stop5h 23m
Deal found 10/29![United Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/266:00 am -
1 stop6h 25m
Thu 12/36:00 am -
1 stop4h 43m
Deal found 11/2![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/76:00 am -
1 stop4h 16m
Sun 1/106:40 pm -
1 stop3h 30m
Deal found 10/31![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/126:37 pm -
1 stop5h 08m
Tue 2/165:49 pm -
1 stop5h 00m
Deal found 11/2![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/610:35 am -
1 stop7h 24m
Sat 1/99:00 am -
1 stop6h 59m
Deal found 10/29![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:55 pm -
1 stop5h 09m
Fri 12/46:00 am -
1 stop6h 37m
Deal found 10/30![American Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 3/186:10 am -
1 stop3h 35m
Mon 3/225:59 pm -
1 stop3h 47m
Deal found 10/31![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 2/36:20 am -
1 stop4h 45m
Sat 2/66:27 am -
1 stop6h 05m
Deal found 11/2![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/167:02 am -
1 stop4h 54m
Fri 12/1810:51 am -
1 stop7h 12m
Deal found 10/31![American Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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
Sun 12/66:00 am -
1 stop4h 43m
Deal found 10/31![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/226:30 am -
1 stop4h 38m
Fri 11/276:25 am -
1 stop5h 59m
Deal found 11/1![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:39 am -
2 stops8h 28m
Fri 11/277:23 am -
1 stop6h 19m
Deal found 11/1![American Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:20 am -
1 stop4h 17m
Sun 12/133:40 pm -
Nonstop2h 03m
Deal found 11/2![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/186:23 pm -
1 stop6h 31m
Sun 11/227:05 am -
1 stop3h 24m
Deal found 11/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/1010:35 am -
1 stop4h 49m
Sun 12/135:59 pm -
Nonstop1h 55m
Deal found 11/2![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/246:20 am -
1 stop4h 20m
Mon 12/286:13 pm -
Nonstop2h 02m
Deal found 11/2![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:20 am -
1 stop4h 17m
Tue 12/1510:26 am -
Nonstop1h 59m
Deal found 10/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:30 am -
1 stop4h 38m
Fri 11/276:25 am -
1 stop5h 59m
Deal found 11/1![United Airlines logo]()
$454
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/158:01 pm -
1 stop5h 09m
Wed 11/183:11 pm -
1 stop6h 04m
Deal found 11/3![American Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/186:30 am -
1 stop4h 38m
Sun 11/228:15 am -
1 stop4h 09m
Deal found 11/3![United Airlines logo]()
$469
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/158:01 pm -
1 stop5h 09m
Thu 11/193:01 pm -
1 stop6h 16m
Deal found 11/3![American Airlines logo]()
$867
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/186:30 am -
1 stop4h 35m
Sun 11/228:13 am -
1 stop4h 11m
Deal found 11/3![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/172:10 pm -
1 stop4h 42m
Sat 11/213:39 pm -
1 stop4h 54m
Deal found 11/2![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:43 am -
Nonstop2h 17m
Wed 11/181:55 pm -
Nonstop1h 59m
Deal found 10/30![United Airlines logo]()
$479
Last-minute flights from Harrisburg to IllinoisDiscover last-minute flight deals from Harrisburg to Illinois. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Illinois. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/96:30 am -
Nonstop2h 20m
Sat 11/213:55 pm -
Nonstop2h 02m
Deal found 10/31![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/912:09 pm -
1 stop6h 55m
Sat 11/216:44 pm -
1 stop3h 22m
Deal found 10/31![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:11 pm -
Nonstop2h 19m
Mon 11/167:20 pm -
Nonstop1h 55m
Deal found 10/30![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:09 pm -
1 stop6h 55m
Mon 11/166:44 pm -
1 stop3h 22m
Deal found 10/30![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:10 pm -
Nonstop2h 18m
Fri 11/271:55 pm -
Nonstop1h 59m
Deal found 10/29![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/246:00 am -
1 stop5h 39m
Fri 11/277:05 am -
1 stop3h 24m
Deal found 11/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop4h 37m
Sun 12/66:00 am -
1 stop4h 43m
Deal found 11/2![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:03 am -
1 stop4h 57m
Fri 1/13:44 pm -
1 stop4h 31m
Deal found 11/3![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/225:07 am -
1 stop6h 08m
Fri 1/15:00 am -
2 stops11h 26m
Deal found 11/3![American Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:01 pm -
Nonstop2h 34m
Sat 1/24:30 pm -
Nonstop2h 19m
Deal found 10/29![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:10 pm -
Nonstop2h 19m
Thu 12/246:30 pm -
2 stops18h 30m
Deal found 10/30![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:11 am -
Nonstop2h 33m
Thu 12/244:50 pm -
1 stop4h 06m
Deal found 10/30![American Airlines logo]()
$369
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 November 3, 2026.
Search for one-way flight options from Harrisburg to Illinois. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/228:01 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$136
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:03 am -
Nonstop2h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/109:01 pm -
3 stops44h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$281
This KAYAK deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:13 pm -
Nonstop2h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:15 pm -
Nonstop2h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$319
This KAYAK deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop5h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/226:15 am -
1 stop3h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:17 pm -
3 stops39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/225:23 pm -
3 stops47h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Allegiant Air logo]()
$405
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (American Airlines) |
One-way from | $136 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $303 |
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 November 3, 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 11/26
6:03 am-7:29 am
Nonstop2h 26m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Mon 12/28
7:18 pm-11:49 pm
1 stop5h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
Quickest round-trip
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Thu 11/19
6:30 am-7:50 am
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$281
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Sun 1/10
6:54 am-8:25 am
Nonstop2h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
HarrisburgChicago
MDT Harrisburg - MDW Chicago Midway
MDTMDW
Harrisburg
Thu 11/26
6:00 am-11:25 am
1 stop6h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Tue 2/2
6:20 am-9:40 am
1 stop4h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
HarrisburgChicago
MDT Harrisburg - MDW Chicago Midway
MDTMDW
Harrisburg
Tue 2/2
12:40 pm-4:54 pm
1 stop5h 14m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
HarrisburgChicago
MDT Harrisburg - MDW Chicago Midway
MDTMDW
Harrisburg
Sat 12/5
6:00 am-10:28 am
1 stop5h 28m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
HarrisburgChicago
MDT Harrisburg - ORD Chicago O'Hare Intl
MDTORD
Harrisburg
Wed 11/11
3:15 pm-4:43 pm
Nonstop2h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$303
HarrisburgChicago
MDT Harrisburg - MDW Chicago Midway
MDTMDW
Harrisburg
Thu 11/19
6:00 am-10:24 am
1 stop5h 24m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$335
Showing 1-10 of 44 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-MLI
MDT-MDW
MDT-PIA
MDT-SPI
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-MLI
MDT-MDW
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 $270). Flying from Harrisburg to Illinois in October is currently the most expensive (average of $373). 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 November 3, 2026.
It’s typically best to fly out from Harrisburg to Illinois in the evening. Doing so could potentially save you 18% 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 November 3, 2026.
The most flights from MDT to USIL are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Harrisburg to Illinois?
Airfare is below average for this route at the moment.
Harrisburg to Illinois flights typically cost between $319 and $475 in December.The cheapest round-trip price found within the last 5 days was $316 on American Airlines (Dec 23-Jan 2).
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 October 31, 2026.
Travelers seeking maximum savings on their Harrisburg to Illinois flight should consider departing on Wednesday 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 November 3, 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.
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from 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
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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 November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$362 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$353 | FlexibilityNo cancel fee | On-timeN/A |