$149+ Cheap flights from Illinois to New Hampshire
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to New Hampshire 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 Illinois to New HampshireExplore the most affordable flight options available from Illinois to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Illinois to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:55 pm -
Nonstop2h 15m
Tue 10/277:40 am -
Nonstop2h 35m
Deal found 9/22![Southwest logo]()
$297
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.
Sat 10/248:50 am -
Nonstop2h 23m
Sat 10/245:05 pm -
Nonstop3h 01m
Deal found 9/27![American Airlines 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.
Sat 10/244:50 pm -
1 stop5h 46m
Tue 10/275:05 pm -
Nonstop3h 01m
Deal found 9/26![American Airlines logo]()
$307
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:45 am -
Nonstop2h 05m
Mon 10/266:55 pm -
Nonstop2h 25m
Deal found 9/22![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/168:40 pm -
Nonstop2h 33m
Tue 10/205:05 pm -
Nonstop3h 01m
Deal found 9/24![American Airlines logo]()
$313
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.
Mon 11/95:49 pm -
1 stop5h 04m
Tue 11/176:00 am -
1 stop6h 34m
Deal found 9/26![American Airlines logo]()
$317
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 10/236:25 pm -
1 stop4h 30m
Mon 10/266:55 pm -
Nonstop2h 25m
Deal found 9/26![Southwest logo]()
$323
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.
Tue 10/271:05 pm -
2 stops8h 40m
Tue 11/312:45 pm -
2 stops8h 00m
Deal found 9/27![Southwest logo]()
$327
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 10/248:15 am -
Nonstop2h 10m
Sat 10/2412:45 pm -
2 stops6h 05m
Deal found 9/25![Southwest logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/238:50 am -
Nonstop2h 23m
Fri 10/301:55 pm -
Nonstop2h 55m
Deal found 9/24![American Airlines logo]()
$329
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:50 pm -
Nonstop2h 05m
Tue 12/15:50 pm -
Nonstop2h 40m
Deal found 9/22![Southwest logo]()
$348
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.
Tue 10/138:40 pm -
Nonstop2h 33m
Sat 10/177:01 am -
Nonstop2h 58m
Deal found 9/22![American Airlines logo]()
$361
Best flights from Illinois to New HampshireDiscover carefully curated flight deals from Illinois to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Illinois to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
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.
Thu 11/56:45 pm -
Nonstop2h 15m
Tue 11/107:15 am -
Nonstop2h 35m
Deal found 9/27![Southwest logo]()
$297
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.
Tue 10/135:29 pm -
1 stop5h 07m
Sat 10/176:00 am -
1 stop6h 36m
Deal found 9/22![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/42:35 pm -
2 stops8h 24m
Sat 11/79:25 am -
2 stops9h 48m
Deal found 9/24![United Airlines logo]()
$412
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:39 am -
1 stop4h 34m
Sat 10/1011:00 am -
1 stop9h 14m
Deal found 9/22![Multiple Airlines logo]()
$471
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.
Tue 10/275:55 pm -
Nonstop2h 15m
Tue 11/32:10 pm -
1 stop5h 45m
Deal found 9/27![Southwest logo]()
$307
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.
Thu 12/36:10 pm -
Nonstop2h 10m
Mon 12/72:10 pm -
2 stops8h 20m
Deal found 9/26![Southwest logo]()
$312
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:55 pm -
1 stop10h 20m
Mon 10/266:55 pm -
Nonstop2h 25m
Deal found 9/22![Southwest logo]()
$313
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.
Tue 10/272:34 pm -
2 stops8h 25m
Sat 10/319:25 am -
2 stops10h 14m
Deal found 9/23![United Airlines logo]()
$459
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:38 am -
1 stop8h 07m
Wed 10/211:25 pm -
1 stop6h 49m
Deal found 9/25![Multiple Airlines logo]()
$475
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop5h 13m
Wed 11/45:23 pm -
2 stops7h 44m
Deal found 9/23![American Airlines logo]()
$478
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 am -
1 stop5h 15m
Tue 12/12:10 pm -
2 stops6h 35m
Deal found 9/22![Southwest logo]()
$373
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.
Wed 1/276:30 am -
2 stops6h 37m
Sat 1/302:43 pm -
2 stops9h 37m
Deal found 9/27![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/145:03 pm -
1 stop6h 10m
Tue 10/205:05 pm -
1 stop8h 06m
Deal found 9/24![American Airlines logo]()
$517
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 10/225:59 am -
1 stop7h 16m
Mon 10/262:38 pm -
1 stop8h 06m
Deal found 9/22![United Airlines logo]()
$480
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 10/246:55 am -
1 stop4h 15m
Sat 10/243:30 pm -
2 stops7h 15m
Deal found 9/25![Southwest logo]()
$402
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.
Sun 11/11:35 pm -
Nonstop2h 05m
Wed 11/47:15 am -
Nonstop2h 35m
Deal found 9/25![Southwest logo]()
$408
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.
Wed 12/26:00 am -
1 stop7h 03m
Tue 12/82:38 pm -
2 stops30h 32m
Deal found 9/27![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 12/247:04 am -
1 stop5h 56m
Thu 12/312:35 pm -
1 stop8h 05m
Deal found 9/24![United Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/136:45 pm -
Nonstop2h 15m
Mon 11/162:10 pm -
2 stops6h 35m
Deal found 9/24![Southwest logo]()
$439
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:39 pm -
2 stops17h 57m
Tue 10/137:00 am -
2 stops12h 31m
Deal found 9/24![Multiple Airlines logo]()
$709
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 11/257:50 pm -
2 stops17h 13m
Tue 12/12:38 pm -
1 stop8h 21m
Deal found 9/22![United Airlines logo]()
$532
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.
Sun 10/116:02 am -
1 stop5h 11m
Sun 10/256:00 am -
2 stops9h 29m
Deal found 9/26![American Airlines logo]()
$712
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:30 pm -
1 stop18h 30m
Sat 11/2810:44 am -
1 stop6h 56m
Deal found 9/23![Multiple Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/1710:54 am -
1 stop7h 07m
Tue 10/209:25 am -
2 stops21h 32m
Deal found 9/24![United Airlines logo]()
$538
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:38 am -
1 stop8h 07m
Wed 10/211:25 pm -
2 stops11h 05m
Deal found 9/22![Multiple Airlines logo]()
$837
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/46:15 am -
1 stop8h 57m
Sat 11/77:04 am -
1 stop10h 09m
Deal found 9/24![American Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 12/247:04 am -
1 stop5h 56m
Sun 1/32:35 pm -
1 stop8h 05m
Deal found 9/24![United Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/14:00 pm -
1 stop6h 56m
Tue 10/69:25 am -
1 stop6h 01m
Deal found 9/24![United Airlines logo]()
$627
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.
Tue 10/134:35 pm -
2 stops20h 40m
Mon 10/197:41 pm -
2 stops11h 16m
Deal found 9/22![United Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 12/197:04 am -
1 stop5h 56m
Sat 12/262:35 pm -
1 stop8h 05m
Deal found 9/24![United Airlines logo]()
$693
Last-minute flights from Illinois to New HampshireDiscover last-minute flight deals from Illinois to New Hampshire. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to New Hampshire. Data last updated September 28, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:40 pm -
Nonstop2h 33m
Sat 10/177:21 am -
1 stop7h 53m
Deal found 9/23![American Airlines logo]()
$407
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:10 pm -
Nonstop2h 25m
Mon 10/191:55 pm -
Nonstop2h 55m
Deal found 9/23![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/168:40 pm -
Nonstop2h 33m
Tue 10/205:05 pm -
Nonstop3h 01m
Deal found 9/24![American Airlines logo]()
$313
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.
Wed 10/218:40 pm -
Nonstop2h 33m
Tue 10/277:07 am -
Nonstop2h 58m
Deal found 9/27![American Airlines logo]()
$397
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.
Thu 10/227:45 am -
Nonstop2h 05m
Sat 10/244:50 pm -
Nonstop2h 25m
Deal found 9/27![Southwest logo]()
$297
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 10/237:45 am -
Nonstop2h 05m
Mon 10/266:55 pm -
Nonstop2h 25m
Deal found 9/26![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/238:50 am -
Nonstop2h 23m
Fri 10/301:55 pm -
Nonstop2h 55m
Deal found 9/24![American Airlines logo]()
$329
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.
Sat 10/248:50 am -
Nonstop2h 23m
Tue 10/277:07 am -
Nonstop2h 58m
Deal found 9/26![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.
Sat 10/248:15 am -
Nonstop2h 10m
Sat 10/2412:45 pm -
2 stops6h 05m
Deal found 9/25![Southwest logo]()
$328
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.
Mon 10/268:00 am -
2 stops6h 00m
Mon 11/212:55 pm -
2 stops8h 30m
Deal found 9/27![Southwest logo]()
$343
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.
Tue 10/271:05 pm -
2 stops8h 40m
Tue 11/312:45 pm -
2 stops8h 00m
Deal found 9/27![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/272:34 pm -
2 stops8h 25m
Sat 10/319:25 am -
2 stops10h 14m
Deal found 9/24![United Airlines logo]()
$459
One-way flights from Illinois to New HampshireSearch for one-way flight options from Illinois to New Hampshire. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Illinois to New Hampshire. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:10 pm -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/196:45 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$149
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:02 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![American Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/243:37 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![American Airlines logo]()
$159
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 10/246:45 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Southwest logo]()
$164
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 10/168:50 am -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:45 am -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$165
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.
Thu 11/268:40 am -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Southwest logo]()
$175
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 10/168:55 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Southwest logo]()
$180
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:44 pm -
3 stops38h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$187
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.
Wed 11/255:01 am -
2 stops29h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$195
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.
Mon 10/261:10 pm -
Nonstop2h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$199
Find flight deals from Illinois to New Hampshire
Keep the following information in mind while searching for Illinois to New Hampshire flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $149 (American Airlines) |
Popular in | September |
Cheapest in | January |
Average price | $290 |
Good round-trip deal | $357 or less |
Good one-way deal | $189 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to New Hampshire 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 28, 2026.
Use the filters below to find and compare flights from Illinois to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Mon 10/26
6:45 pm-9:55 pm
Nonstop2h 10m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Wed 10/21
4:45 pm-10:45 pm
1 stop5h 00m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$159
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Sat 10/24
6:45 am-4:05 pm
2 stops8h 20m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Tue 11/10
1:15 pm-10:10 pm
2 stops7h 55m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
Quickest round-trip
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Fri 12/25
6:10 pm-9:15 pm
Nonstop2h 05m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Tue 12/22
7:00 pm-10:10 pm
Nonstop2h 10m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
ChicagoManchester
ORD Chicago O'Hare Intl - MHT Manchester
ORDMHT
Chicago O'Hare Intl
Fri 1/8
8:40 am-2:07 pm
1 stop4h 27m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Fri 10/16
8:55 pm-8:25 am
1 stop10h 30m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Thu 10/22
8:00 am-3:00 pm
2 stops6h 00m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
ChicagoManchester
MDW Chicago Midway - MHT Manchester
MDWMHT
Chicago Midway
Mon 11/23
6:30 am-3:35 pm
2 stops8h 05m
Manchester
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Illinois to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Illinois with our price prediction graph.
MDW-MHT
ORD-MHT
PIA-MHT
ORD-LEB
MLI-MHT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to New Hampshire
USIL-USNH
MDW-MHT
ORD-MHT
PIA-MHT
ORD-LEB
What is the cheapest month to book a flight from Illinois to New Hampshire?
Currently, January is the cheapest month in which you can book a flight from Illinois to New Hampshire (average of $312). Flying from Illinois to New Hampshire in February is currently the most expensive (average of $552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to NH?
Find hourly flight availability from Illinois to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
It’s typically best to fly out from Illinois to New Hampshire in the morning. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Illinois to New Hampshire
Explore weekly flight availability from Illinois to New Hampshire. 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 28, 2026.
The most flights from USIL to USNH are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Illinois to New Hampshire?
Airfare is below average for this route at the moment.
Illinois to New Hampshire flights typically cost between $315 and $592 in October.The cheapest round-trip price found within the last 5 days was $297 on American Airlines (Oct 24-Oct 27).
What is the cheapest day to fly from Illinois to New Hampshire?
Use this chart to determine the cheapest time to fly round-trip from Illinois to New Hampshire. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their Illinois to New Hampshire flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated September 28, 2026.
Read through reviews of airlines operating flights from Illinois to New Hampshire, such as Southwest and American Airlines. 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.
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Related info for your journey
Find useful and relevant information for your journey from Illinois to New Hampshire. 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 Illinois to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to New Hampshire by cabin class
Find flights from Illinois to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and New Hampshire flights
Browse other Illinois and New Hampshire flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from New Hampshire
Find the right flight back to Illinois after your stay in New Hampshire
Illinois to New Hampshire flights
Consider these flights traveling from Illinois to New Hampshire.
Top 2 airlines flying from Illinois to New Hampshire
Discover the top 2 airlines that operate flights from Illinois to New Hampshire. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$372 | FlexibilityNo cancel fee | On-time63% |