$149+ Cheap flights from New Hampshire 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ORD
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from New Hampshire to IllinoisExplore the most affordable flight options available from New Hampshire to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from New Hampshire to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/201:55 pm -
Nonstop2h 55m
Thu 10/228:50 am -
Nonstop2h 23m
Deal found 9/29![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/205:50 pm -
Nonstop2h 25m
Wed 10/211:35 pm -
Nonstop2h 05m
Deal found 9/25![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/225:05 pm -
Nonstop3h 01m
Mon 10/268:50 am -
Nonstop2h 23m
Deal found 9/25![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/206:00 am -
1 stop7h 18m
Wed 10/211:10 pm -
Nonstop2h 25m
Deal found 9/26![American Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:20 am -
1 stop7h 00m
Thu 10/226:45 pm -
Nonstop2h 10m
Deal found 9/29![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:20 am -
2 stops9h 05m
Sat 10/311:40 pm -
Nonstop2h 05m
Deal found 9/27![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/235:05 pm -
Nonstop3h 01m
Tue 10/278:40 pm -
Nonstop2h 33m
Deal found 9/28![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 11/76:00 am -
1 stop5h 05m
Mon 11/95:49 pm -
1 stop5h 04m
Deal found 9/29![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm -
Nonstop2h 25m
Thu 10/296:25 pm -
1 stop4h 30m
Deal found 9/29![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/231:55 pm -
Nonstop2h 55m
Fri 10/238:40 pm -
Nonstop2h 33m
Deal found 9/25![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/237:10 am -
Nonstop2h 25m
Sat 10/246:45 am -
1 stop8h 15m
Deal found 9/25![Southwest logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 12/46:00 am -
1 stop6h 05m
Mon 12/79:53 am -
1 stop6h 07m
Deal found 9/29![American Airlines logo]()
$333
Best flights from New Hampshire to IllinoisDiscover carefully curated flight deals from New Hampshire to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from New Hampshire to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:35 pm -
Nonstop2h 35m
Mon 11/91:35 pm -
Nonstop2h 05m
Deal found 9/29![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 11/16:01 am -
2 stops8h 57m
Sat 11/75:00 am -
2 stops10h 42m
Deal found 9/30![American Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/319:25 am -
2 stops8h 22m
Wed 11/42:35 pm -
2 stops8h 24m
Deal found 9/27![United Airlines logo]()
$459
This United deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/282:12 pm -
1 stop19h 56m
Mon 3/299:20 pm -
1 stop17h 03m
Deal found 9/25![Multiple Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 1/136:30 am -
Nonstop2h 45m
Sat 1/167:45 am -
2 stops5h 55m
Deal found 9/26![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/237:10 am -
Nonstop2h 25m
Sat 10/244:10 pm -
Nonstop2h 15m
Deal found 9/25![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 12/15:50 pm -
Nonstop2h 40m
Fri 12/41:15 pm -
2 stops7h 50m
Deal found 9/26![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 1/221:25 pm -
2 stops9h 25m
Sat 1/237:50 am -
Nonstop2h 15m
Deal found 9/25![Southwest logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/157:07 am -
1 stop7h 50m
Sun 10/185:00 am -
1 stop6h 13m
Deal found 9/26![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 1/272:43 pm -
2 stops7h 54m
Sat 1/306:30 am -
2 stops6h 37m
Deal found 9/25![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/155:05 pm -
1 stop7h 54m
Mon 10/192:30 pm -
2 stops8h 53m
Deal found 9/25![American Airlines logo]()
$459
This United deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:44 am -
1 stop22h 07m
Fri 1/19:49 pm -
1 stop16h 34m
Deal found 9/30![Multiple Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:25 pm -
1 stop5h 35m
Wed 10/281:05 pm -
2 stops8h 40m
Deal found 9/29![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 11/62:38 pm -
1 stop8h 06m
Mon 11/99:00 am -
2 stops13h 59m
Deal found 9/27![United Airlines logo]()
$522
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:44 am -
1 stop9h 30m
Sat 10/179:38 am -
1 stop8h 07m
Deal found 9/30![Multiple Airlines logo]()
$569
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 11/276:40 pm -
Nonstop2h 35m
Tue 12/11:20 pm -
2 stops7h 50m
Deal found 9/26![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/227:41 pm -
1 stop4h 51m
Sun 10/259:00 pm -
2 stops25h 59m
Deal found 9/26![United Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/296:00 am -
2 stops11h 32m
Thu 11/56:00 am -
2 stops9h 52m
Deal found 9/29![American Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/102:38 pm -
1 stop5h 16m
Thu 11/127:49 pm -
2 stops27h 10m
Deal found 9/29![United Airlines logo]()
$526
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 11/145:30 am -
1 stop4h 35m
Sat 11/143:30 pm -
Nonstop2h 10m
Deal found 9/25![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/117:41 pm -
1 stop5h 02m
Sat 10/2412:55 pm -
1 stop5h 06m
Deal found 9/25![United Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/155:05 pm -
1 stop8h 06m
Tue 10/2011:21 am -
2 stops9h 21m
Deal found 9/27![American Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/117:41 pm -
1 stop5h 02m
Mon 10/193:25 pm -
1 stop7h 31m
Deal found 9/25![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/292:38 pm -
1 stop5h 16m
Sun 11/17:50 pm -
2 stops17h 13m
Deal found 9/26![United Airlines logo]()
$532
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 12/256:09 am -
2 stops11h 27m
Mon 12/285:00 am -
2 stops12h 24m
Deal found 9/25![American Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 11/52:38 pm -
2 stops17h 00m
Mon 11/95:55 am -
1 stop7h 08m
Deal found 9/29![United Airlines logo]()
$557
This Expedia deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:49 pm -
1 stop5h 25m
Thu 10/159:38 am -
1 stop8h 07m
Deal found 9/26![Multiple Airlines logo]()
$960
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 12/246:09 am -
2 stops11h 27m
Mon 12/285:00 am -
2 stops12h 24m
Deal found 9/25![American Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/139:25 am -
2 stops7h 24m
Mon 11/166:05 pm -
1 stop4h 54m
Deal found 9/29![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Mon 11/99:25 am -
2 stops7h 24m
Wed 11/115:47 pm -
1 stop5h 12m
Deal found 9/29![United Airlines logo]()
$563
Last-minute flights from New Hampshire to IllinoisDiscover last-minute flight deals from New Hampshire to Illinois. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Illinois. Data last updated September 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/201:55 pm -
Nonstop2h 55m
Thu 10/228:50 am -
Nonstop2h 23m
Deal found 9/29![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/205:50 pm -
Nonstop2h 25m
Wed 10/211:35 pm -
Nonstop2h 05m
Deal found 9/25![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 10/206:00 am -
1 stop7h 18m
Wed 10/211:10 pm -
Nonstop2h 25m
Deal found 9/26![American Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm -
Nonstop2h 25m
Thu 10/226:45 pm -
Nonstop2h 10m
Deal found 9/29![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/216:00 am -
1 stop5h 07m
Tue 10/273:37 pm -
1 stop5h 05m
Deal found 9/30![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/225:05 pm -
Nonstop3h 01m
Mon 10/268:50 am -
Nonstop2h 23m
Deal found 9/25![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/235:05 pm -
Nonstop3h 01m
Tue 10/278:40 pm -
Nonstop2h 33m
Deal found 9/28![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/231:55 pm -
Nonstop2h 55m
Fri 10/238:40 pm -
Nonstop2h 33m
Deal found 9/25![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/237:10 am -
Nonstop2h 25m
Sat 10/246:45 am -
1 stop8h 15m
Deal found 9/25![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/236:55 pm -
Nonstop2h 25m
Mon 10/268:00 am -
2 stops6h 00m
Deal found 9/27![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:20 am -
2 stops9h 05m
Sat 10/311:40 pm -
Nonstop2h 05m
Deal found 9/27![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm -
Nonstop2h 25m
Thu 10/296:25 pm -
1 stop4h 30m
Deal found 9/29![Southwest logo]()
$323
One-way flights from New Hampshire to IllinoisSearch for one-way flight options from New Hampshire to Illinois. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from New Hampshire to Illinois. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/201:55 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:50 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Southwest logo]()
$159
This American Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” 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 10/307:07 am -
Nonstop2h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Southwest logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:18 pm -
2 stops26h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Sat 10/3112:18 pm -
3 stops37h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:24 pm -
2 stops20h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Thu 11/2612:24 pm -
2 stops19h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” 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 10/241:34 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Wed 10/2812:18 pm -
3 stops36h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” 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 11/256:55 pm -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Southwest logo]()
$200
Find flight deals from New Hampshire to Illinois
Keep the following information in mind while searching for New Hampshire to Illinois flight deals. Data was last updated September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (American Airlines) |
One-way from | $149 (American Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $275 |
Good round-trip deal | $412 or less |
Good one-way deal | $243 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire 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 30, 2026.
Use the filters below to find and compare flights from New Hampshire to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Tue 10/27
5:50 pm-7:15 pm
Nonstop2h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Thu 10/29
7:10 am-8:35 am
Nonstop2h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Thu 11/26
1:20 pm-2:50 pm
Nonstop2h 30m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Thu 2/11
6:45 pm-8:30 pm
Nonstop2h 45m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Fri 10/30
7:10 am-8:35 am
Nonstop2h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
ManchesterChicago
MHT Manchester - MDW Chicago Midway
MHTMDW
Manchester
Tue 10/20
5:50 pm-7:15 pm
Nonstop2h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
ManchesterChicago
MHT Manchester - ORD Chicago O'Hare Intl
MHTORD
Manchester
Mon 10/19
7:41 pm-11:32 pm
1 stop4h 51m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
ManchesterChicago
MHT Manchester - ORD Chicago O'Hare Intl
MHTORD
Manchester
Thu 11/26
9:25 am-2:39 pm
1 stop6h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
ManchesterChicago
MHT Manchester - ORD Chicago O'Hare Intl
MHTORD
Manchester
Mon 1/18
2:43 pm-10:00 pm
1 stop8h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
ManchesterChicago
MHT Manchester - ORD Chicago O'Hare Intl
MHTORD
Manchester
Sun 3/28
6:45 pm-11:15 pm
1 stop5h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$270
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from New Hampshire with our price prediction graph.
MHT-MDW
MHT-BMI
MHT-PIA
LEB-ORD
MHT-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 New Hampshire to Illinois
USNH-USIL
MHT-MDW
MHT-BMI
MHT-PIA
LEB-ORD
What is the cheapest month to book a flight from New Hampshire to Illinois?
Currently, September is the cheapest month in which you can book a flight from New Hampshire to Illinois (average of $406). Flying from New Hampshire to Illinois in March is currently the most expensive (average of $571). 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 NH to IL?
Find hourly flight availability from New Hampshire 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 30, 2026.
It’s typically best to fly out from New Hampshire to Illinois at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from New Hampshire to Illinois
Explore weekly flight availability from New Hampshire 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 30, 2026.
The most flights from USNH to USIL are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from New Hampshire to Illinois?
Airfare is below average for this route at the moment.
New Hampshire to Illinois flights typically cost between $376 and $495 in October.The cheapest round-trip price found within the last 5 days was $297 on American Airlines (Oct 20-Oct 22).
How far ahead should I book a flight from New Hampshire to Illinois?
Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from New Hampshire to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from New Hampshire to Illinois?
Use this chart to determine the cheapest time to fly round-trip from New Hampshire to Illinois. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their New Hampshire to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings 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 30, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from New Hampshire to Illinois to help guide your decision. 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
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from New Hampshire 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 New Hampshire to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to Illinois by cabin class
Find flights from New Hampshire to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and Illinois flights
Browse other New Hampshire and Illinois flight options. Last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to New Hampshire after your stay in Illinois
New Hampshire to Illinois flights
Consider these flights traveling from New Hampshire to Illinois.
Top 2 airlines flying from New Hampshire to Illinois
Discover the top 2 airlines that operate flights from New Hampshire 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$279 | Average$462 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$499 | FlexibilityNo cancel fee | On-time71% |