$68+ Cheap flights from Illinois to New Hampshire
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Illinois to New Hampshire with Cheapflights
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to New Hampshire
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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 February 12, 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 February 12, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:30 pm
ORD
- BOS
Nonstop2h 29m
United Airlines
Sun 5/106:00 am
BOS
- ORD
Nonstop3h 00m
United Airlines
Deal found 2/9![United Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/33:30 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 4/46:30 am
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/9![Southwest logo]()
$132
This Flysmarter deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:41 pm
ORD
- BOS
1 stop6h 17m
JetBlue
Sun 3/87:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$133
This Super.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:00 am
ORD
- BOS
Nonstop2h 20m
JetBlue
Wed 3/47:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$134
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:40 pm
ORD
- BOS
Nonstop2h 21m
American Airlines
Wed 2/184:48 pm
BOS
- ORD
Nonstop3h 16m
American Airlines
Deal found 2/10![American Airlines logo]()
$135
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:05 am
MDW
- BOS
Nonstop2h 20m
Southwest
Fri 2/205:00 am
BOS
- MDW
Nonstop2h 55m
Southwest
Deal found 2/9![Southwest logo]()
$135
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:00 am
ORD
- BOS
Nonstop2h 20m
JetBlue
Wed 3/117:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$136
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:15 am
MDW
- BOS
Nonstop2h 15m
Southwest
Tue 3/172:00 pm
BOS
- MDW
Nonstop2h 45m
Southwest
Deal found 2/11![Southwest logo]()
$136
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:50 am
ORD
- BOS
Nonstop2h 21m
Delta
Sat 4/188:59 pm
BOS
- ORD
Nonstop2h 51m
Delta
Deal found 2/11![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Mon 3/25:20 am
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/9![Southwest logo]()
$137
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
ORD
- BOS
Nonstop2h 27m
American Airlines
Mon 5/47:40 pm
BOS
- ORD
Nonstop3h 10m
American Airlines
Deal found 2/9![American Airlines logo]()
$138
This Priceline deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:28 pm
ORD
- BOS
1 stop7h 23m
Multiple Airlines
Sun 5/106:52 am
BOS
- ORD
Nonstop2h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$139
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 February 12, 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 February 12, 2026.
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:30 pm
ORD
- BOS
Nonstop2h 33m
Delta
Thu 8/207:00 am
BOS
- ORD
Nonstop2h 58m
Delta
Deal found 2/11![Delta logo]()
$131
This JetBlue deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:04 am
ORD
- BOS
1 stop7h 12m
JetBlue
Wed 3/117:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/8![JetBlue logo]()
$142
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Thu 5/76:55 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/10![Southwest logo]()
$142
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:00 am
ORD
- BOS
Nonstop2h 25m
United Airlines
Mon 4/68:15 am
BOS
- ORD
Nonstop2h 59m
United Airlines
Deal found 2/11![United Airlines logo]()
$144
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:20 pm
MDW
- BOS
1 stop9h 31m
Frontier
Wed 4/2212:55 pm
BOS
- MDW
1 stop10h 24m
Frontier
Deal found 2/11![Frontier logo]()
$160
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
ORD
- BOS
Nonstop2h 26m
Delta
Fri 4/247:35 pm
BOS
- ORD
Nonstop2h 54m
Delta
Deal found 2/11![Delta logo]()
$137
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:30 pm
MLI
- BOS
1 stop4h 54m
American Airlines
Mon 3/92:12 pm
BOS
- MLI
1 stop8h 46m
American Airlines
Deal found 2/11![American Airlines logo]()
$279
This JetBlue deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:41 pm
ORD
- BOS
1 stop6h 17m
JetBlue
Tue 3/178:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/8![JetBlue logo]()
$142
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:15 am
MDW
- BOS
1 stop4h 40m
Southwest
Thu 4/26:25 pm
BOS
- MDW
Nonstop3h 00m
Southwest
Deal found 2/9![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:50 am
ORD
- BOS
Nonstop2h 21m
Delta
Fri 4/247:35 pm
BOS
- ORD
Nonstop2h 54m
Delta
Deal found 2/11![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:09 pm
ORD
- BOS
1 stop4h 32m
United Airlines
Fri 3/277:16 am
BOS
- ORD
Nonstop3h 06m
United Airlines
Deal found 2/8![United Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
ORD
- MHT
2 stops25h 19m
Multiple Airlines
Sun 3/811:23 am
MHT
- ORD
1 stop7h 29m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$311
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:59 pm
ORD
- BOS
1 stop6h 24m
JetBlue
Mon 3/97:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$143
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Wed 3/116:00 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/9![Southwest logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:30 pm
ORD
- BOS
Nonstop2h 29m
United Airlines
Wed 5/275:45 am
BOS
- ORD
1 stop4h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$157
This JetBlue deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:31 am
ORD
- BOS
1 stop4h 45m
JetBlue
Tue 4/287:35 pm
BOS
- ORD
Nonstop3h 01m
JetBlue
Deal found 2/11![JetBlue logo]()
$147
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 pm
ORD
- BOS
Nonstop2h 34m
Delta
Sat 5/1612:00 pm
BOS
- ORD
Nonstop2h 54m
Delta
Deal found 2/9![Delta logo]()
$152
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:40 am
MDW
- BOS
Nonstop2h 15m
Southwest
Wed 3/116:00 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/9![Southwest logo]()
$157
This JetBlue deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:41 pm
ORD
- BOS
1 stop6h 17m
JetBlue
Sun 3/87:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/11![JetBlue logo]()
$152
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:55 am
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 4/119:25 am
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 2/11![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:48 am
ORD
- PWM
Nonstop2h 26m
United Airlines
Tue 5/129:39 am
PWM
- ORD
Nonstop2h 56m
United Airlines
Deal found 2/10![United Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:05 am
MDW
- BOS
Nonstop2h 20m
Southwest
Fri 2/276:05 pm
BOS
- MDW
1 stop5h 40m
Southwest
Deal found 2/10![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:48 am
ORD
- PWM
Nonstop2h 26m
United Airlines
Tue 5/194:45 pm
PWM
- ORD
Nonstop2h 58m
United Airlines
Deal found 2/9![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:22 pm
PIA
- BOS
1 stop4h 28m
American Airlines
Sat 5/94:29 pm
BOS
- PIA
1 stop8h 08m
American Airlines
Deal found 2/11![American Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:00 pm
MDW
- BOS
1 stop4h 40m
Southwest
Tue 4/2810:45 am
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 2/10![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:04 am
ORD
- PWM
1 stop7h 07m
Delta
Fri 4/245:26 pm
PWM
- ORD
1 stop5h 49m
Delta
Deal found 2/9![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” 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 3/116:00 am
STL
- MHT
1 stop4h 25m
American Airlines
Wed 3/185:40 am
MHT
- STL
1 stop8h 04m
American Airlines
Deal found 2/12![American Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:25 pm
ORD
- PWM
Nonstop2h 33m
United Airlines
Wed 6/247:15 pm
PWM
- ORD
1 stop5h 06m
United Airlines
Deal found 2/11![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 2/285:00 am
BOS
- MDW
2 stops9h 30m
Southwest
Deal found 2/9![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:35 pm
ORD
- PWM
1 stop7h 18m
Delta
Tue 6/163:00 pm
PWM
- ORD
1 stop5h 22m
Delta
Deal found 2/9![Delta logo]()
$229
Last-minute flights from Illinois to New HampshireDiscover last-minute flight deals from Illinois to New Hampshire. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to New Hampshire. Data last updated February 12, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:15 am
MDW
- BOS
Nonstop2h 15m
Southwest
Tue 3/172:00 pm
BOS
- MDW
Nonstop2h 45m
Southwest
Deal found 2/11![Southwest logo]()
$136
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:00 am
ORD
- BOS
Nonstop2h 20m
Multiple Airlines
Wed 3/412:43 pm
BOS
- ORD
1 stop8h 04m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:00 am
ORD
- BOS
Nonstop2h 20m
JetBlue
Wed 3/47:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$134
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:40 pm
ORD
- BOS
Nonstop2h 21m
American Airlines
Wed 2/184:48 pm
BOS
- ORD
Nonstop3h 16m
American Airlines
Deal found 2/10![American Airlines logo]()
$135
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Wed 3/42:40 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 2/9![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:05 am
MDW
- BOS
Nonstop2h 20m
Southwest
Fri 2/205:00 am
BOS
- MDW
Nonstop2h 55m
Southwest
Deal found 2/9![Southwest logo]()
$135
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:00 am
ORD
- BOS
Nonstop2h 20m
JetBlue
Wed 3/117:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$136
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:25 pm
ORD
- BOS
Nonstop2h 26m
Delta
Wed 3/117:15 am
BOS
- ORD
Nonstop3h 10m
Delta
Deal found 2/10![Delta logo]()
$137
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:44 pm
ORD
- BOS
1 stop8h 17m
Spirit Airlines
Mon 3/96:10 pm
BOS
- ORD
1 stop18h 12m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$139
This Flysmarter deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:41 pm
ORD
- BOS
1 stop6h 17m
JetBlue
Sun 3/87:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 2/9![JetBlue logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:15 am
ORD
- BOS
1 stop11h 00m
Spirit Airlines
Wed 3/185:45 am
BOS
- ORD
1 stop12h 30m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$140
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:15 pm
ORD
- BOS
Nonstop2h 20m
United Airlines
Wed 4/16:00 am
BOS
- ORD
Nonstop2h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$141
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 February 12, 2026.
Search for one-way flight options from Illinois to New Hampshire. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:30 am
ORD
- BOS
Nonstop2h 19m
United Airlines
Deal found 2/9![United Airlines logo]()
$68
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:05 am
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 2/9![Southwest logo]()
$68
This Super.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:44 am
ORD
- BOS
1 stop10h 17m
Spirit Airlines
Deal found 2/9![Spirit Airlines logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:05 am
ORD
- BOS
1 stop9h 23m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$70
This Super.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:00 am
ORD
- BOS
Nonstop2h 20m
JetBlue
Deal found 2/9![JetBlue logo]()
$72
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:30 am
ORD
- BOS
Nonstop2h 19m
United Airlines
Deal found 2/10![United Airlines logo]()
$73
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:05 am
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 2/10![Southwest logo]()
$73
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/42:40 pm
ORD
- BOS
1 stop8h 15m
Southwest
Deal found 2/11![Southwest logo]()
$74
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:30 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 2/11![Southwest logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:27 pm
ORD
- BOS
1 stop9h 32m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$75
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
ORD
- BOS
1 stop15h 44m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$76
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 2/9![Southwest logo]()
$76
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (United Airlines) |
One-way from | $68 (United Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $240 |
Good round-trip deal | $457 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 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Illinois to New Hampshire that are best for you.
Fly from
Illinois
Fly to
New Hampshire
Route
Depart
Return
Price
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 5/9
4:30 pm-8:03 pm
Nonstop2h 33m
Boston Logan Intl
Thu 8/20
7:00 am-8:58 am
Nonstop2h 58m
$131
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 4/15
6:00 am-9:26 am
Nonstop2h 26m
Boston Logan Intl
Fri 4/24
7:35 pm-9:29 pm
Nonstop2h 54m
$137
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Mon 4/13
6:50 am-10:11 am
Nonstop2h 21m
Boston Logan Intl
Fri 4/24
7:35 pm-9:29 pm
Nonstop2h 54m
$137
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 3/4
6:04 am-2:16 pm
1 stop7h 12m
Boston Logan Intl
Wed 3/11
7:00 am-9:10 am
Nonstop3h 10m
$142
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Mon 5/4
7:00 pm-10:20 pm
Nonstop2h 20m
Boston Logan Intl
Thu 5/7
6:55 pm-8:45 pm
Nonstop2h 50m
$142
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Mon 3/9
12:41 pm-7:58 pm
1 stop6h 17m
Boston Logan Intl
Tue 3/17
8:00 am-10:10 am
Nonstop3h 10m
$142
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Thu 3/26
11:15 am-4:55 pm
1 stop4h 40m
Boston Logan Intl
Thu 4/2
6:25 pm-8:25 pm
Nonstop3h 00m
$142
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 3/7
12:59 pm-8:23 pm
1 stop6h 24m
Boston Logan Intl
Mon 3/9
7:00 am-9:10 am
Nonstop3h 10m
$143
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Fri 4/3
6:00 am-9:25 am
Nonstop2h 25m
Boston Logan Intl
Mon 4/6
8:15 am-10:14 am
Nonstop2h 59m
$144
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Fri 3/6
7:00 pm-10:15 pm
Nonstop2h 15m
Boston Logan Intl
Wed 3/11
6:00 pm-7:50 pm
Nonstop2h 50m
$147
Showing 1-10 of 60 results
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.
ORD-BOS
MDW-BOS
MLI-BOS
ORD-MHT
ORD-PWM
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
ORD-BOS
MDW-BOS
MLI-BOS
ORD-MHT
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 February 12, 2026.
It’s typically best to fly out from Illinois to New Hampshire in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.
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 February 7, 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. Monday afternoons 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 February 12, 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
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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 February 12, 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 2,558,603 searches. Data last updated February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$318 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$181 | Average$434 | FlexibilityNo cancel fee | On-time71% |