$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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Apr 12 — Apr 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 March 13, 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 March 13, 2026.
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:11 pm
ORD
- BOS
Nonstop2h 34m
American Airlines
Sat 5/26:48 pm
BOS
- ORD
Nonstop3h 12m
American Airlines
Deal found 3/8![American Airlines logo]()
$126
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/810:55 am
ORD
- BOS
Nonstop2h 31m
American Airlines
Wed 4/84:34 pm
BOS
- ORD
Nonstop3h 17m
American Airlines
Deal found 3/10![American Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 3/9. 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.
Fri 5/156:00 am
ORD
- BOS
Nonstop2h 15m
JetBlue
Sun 5/176:52 am
BOS
- ORD
Nonstop2h 59m
JetBlue
Deal found 3/9![JetBlue logo]()
$135
This JetBlue deal was found by Cheapflights users on 3/8. 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.
Tue 4/289:41 am
ORD
- BOS
Nonstop2h 26m
JetBlue
Tue 5/197:35 pm
BOS
- ORD
Nonstop3h 01m
JetBlue
Deal found 3/8![JetBlue logo]()
$136
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:45 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 4/111:50 pm
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 3/8![Southwest logo]()
$136
This Delta deal was found by Cheapflights users on 3/9. 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 5/127:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Tue 5/124:15 pm
BOS
- ORD
Nonstop3h 00m
Delta
Deal found 3/9![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/153:15 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Mon 4/2710:40 am
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 3/9![Southwest logo]()
$137
This SmartFares deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:55 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Sun 4/126:05 am
BOS
- ORD
Nonstop3h 03m
JetBlue
Deal found 3/13![JetBlue logo]()
$138
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:17 am
ORD
- BOS
1 stop7h 11m
Multiple Airlines
Thu 4/26:05 am
BOS
- ORD
Nonstop3h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$139
This Flysmarter deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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.
Sat 5/231:55 pm
ORD
- BOS
Nonstop2h 29m
JetBlue
Sun 5/316:00 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 3/13![JetBlue logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:55 am
ORD
- BOS
Nonstop2h 32m
JetBlue
Thu 4/26:05 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 3/9![JetBlue logo]()
$146
This Southwest deal was found by Cheapflights users on 3/9. 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 4/1111:25 am
MDW
- BOS
Nonstop2h 20m
Southwest
Mon 4/136:45 pm
BOS
- MDW
1 stop5h 00m
Southwest
Deal found 3/9![Southwest logo]()
$147
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 March 13, 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 March 13, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 4/72:40 pm
ORD
- BOS
1 stop6h 50m
Southwest
Tue 4/146:20 am
BOS
- ORD
2 stops10h 45m
Southwest
Deal found 3/9![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/309:30 pm
ORD
- BOS
Nonstop2h 29m
United Airlines
Sun 4/57:00 am
BOS
- ORD
Nonstop3h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$165
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:41 am
ORD
- BOS
Nonstop2h 26m
JetBlue
Thu 4/307:02 am
BOS
- ORD
Nonstop2h 57m
JetBlue
Deal found 3/12![JetBlue logo]()
$167
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 8/291:15 pm
ORD
- PWM
1 stop8h 18m
Delta
Sun 9/66:00 am
PWM
- ORD
1 stop7h 08m
Delta
Deal found 3/9![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:40 pm
MDW
- BOS
1 stop4h 30m
Southwest
Wed 5/66:20 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 3/12![Southwest logo]()
$167
This JetBlue deal was found by Cheapflights users on 3/8. 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.
Sat 5/166:00 am
ORD
- BOS
Nonstop2h 15m
JetBlue
Sun 5/176:52 am
BOS
- ORD
Nonstop2h 59m
JetBlue
Deal found 3/8![JetBlue logo]()
$172
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:45 am
MDW
- BOS
Nonstop2h 15m
Southwest
Tue 4/2812:55 pm
BOS
- MDW
1 stop8h 05m
Southwest
Deal found 3/12![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 3/11. 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 9/97:46 pm
ORD
- BOS
Nonstop2h 34m
United Airlines
Mon 9/148:22 pm
BOS
- ORD
Nonstop2h 57m
United Airlines
Deal found 3/11![United Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 5/12:46 pm
BMI
- BOS
1 stop5h 26m
American Airlines
Sun 5/36:30 am
BOS
- BMI
1 stop5h 16m
American Airlines
Deal found 3/11![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:55 pm
ORD
- BOS
Nonstop2h 22m
United Airlines
Sun 3/296:00 am
BOS
- ORD
Nonstop2h 59m
United Airlines
Deal found 3/12![United Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 3/10. 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 4/99:00 am
MDW
- BOS
1 stop6h 05m
Southwest
Mon 4/136:45 pm
BOS
- MDW
1 stop5h 00m
Southwest
Deal found 3/10![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 6/1112:53 pm
ORD
- BOS
Nonstop2h 36m
United Airlines
Mon 6/155:45 am
BOS
- ORD
1 stop4h 51m
United Airlines
Deal found 3/11![United Airlines logo]()
$187
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:00 am
ORD
- BOS
Nonstop2h 24m
JetBlue
Fri 3/273:20 pm
BOS
- ORD
Nonstop3h 04m
JetBlue
Deal found 3/12![JetBlue logo]()
$211
This Delta deal was found by Cheapflights users on 3/10. 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 9/17:00 am
ORD
- PWM
1 stop5h 21m
Delta
Sat 9/511:25 am
PWM
- ORD
2 stops9h 59m
Delta
Deal found 3/10![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:25 pm
MDW
- PWM
1 stop4h 45m
Southwest
Sat 5/304:35 pm
PWM
- MDW
1 stop5h 05m
Southwest
Deal found 3/8![Southwest logo]()
$209
This JetBlue deal was found by Cheapflights users on 3/9. 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.
Mon 5/48:31 am
ORD
- BOS
1 stop8h 42m
JetBlue
Thu 5/76:52 am
BOS
- ORD
Nonstop2h 59m
JetBlue
Deal found 3/9![JetBlue logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:00 am
ORD
- BOS
1 stop5h 16m
United Airlines
Tue 6/97:27 pm
BOS
- ORD
1 stop4h 59m
United Airlines
Deal found 3/12![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 3/11. 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 5/231:44 pm
ORD
- PWM
2 stops9h 59m
Delta
Tue 5/266:25 am
PWM
- ORD
2 stops8h 22m
Delta
Deal found 3/11![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 5/236:18 pm
ORD
- PWM
Nonstop2h 33m
United Airlines
Sat 5/306:00 am
PWM
- ORD
1 stop7h 06m
United Airlines
Deal found 3/8![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 9/58:55 am
ORD
- PWM
1 stop6h 20m
Delta
Tue 9/153:00 pm
PWM
- ORD
2 stops9h 57m
Delta
Deal found 3/9![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:55 pm
MDW
- PWM
Nonstop2h 15m
Southwest
Sun 6/76:45 am
PWM
- MDW
Nonstop2h 35m
Southwest
Deal found 3/12![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
ORD
- BOS
Nonstop2h 31m
United Airlines
Sun 4/266:00 am
BOS
- ORD
Nonstop2h 59m
United Airlines
Deal found 3/12![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 7/294:00 pm
BMI
- BOS
1 stop8h 03m
Delta
Wed 8/55:45 am
BOS
- BMI
1 stop6h 26m
Delta
Deal found 3/9![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 3/11. 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.
Wed 5/137:50 am
MDW
- BOS
2 stops8h 25m
Southwest
Sun 5/176:10 am
BOS
- MDW
Nonstop2h 45m
Southwest
Deal found 3/11![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/118:45 am
ORD
- BOS
1 stop4h 57m
United Airlines
Sat 4/117:30 pm
BOS
- ORD
1 stop5h 13m
United Airlines
Deal found 3/11![United Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:40 pm
MDW
- BOS
1 stop4h 25m
Southwest
Sat 4/116:00 am
BOS
- MDW
2 stops9h 40m
Southwest
Deal found 3/8![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:10 pm
ORD
- PWM
2 stops10h 49m
Delta
Tue 8/115:59 pm
PWM
- ORD
1 stop5h 44m
Delta
Deal found 3/12![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/285:47 pm
ORD
- PWM
Nonstop2h 17m
United Airlines
Thu 4/26:04 am
PWM
- ORD
Nonstop2h 56m
United Airlines
Deal found 3/9![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 3/11. 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 5/236:05 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Sat 5/306:00 am
BOS
- MDW
1 stop10h 15m
Southwest
Deal found 3/11![Southwest logo]()
$258
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 7/294:00 pm
BMI
- BOS
1 stop8h 03m
Delta
Thu 8/68:00 am
BOS
- BMI
1 stop8h 15m
Delta
Deal found 3/9![Delta logo]()
$349
Last-minute flights from Illinois to New HampshireDiscover last-minute flight deals from Illinois to New Hampshire. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to New Hampshire. Data last updated March 13, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 3/8. 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.
Tue 3/1711:00 am
ORD
- BOS
Nonstop2h 24m
JetBlue
Tue 3/248:00 am
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 3/8![JetBlue logo]()
$147
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:17 am
ORD
- BOS
1 stop7h 11m
Multiple Airlines
Thu 4/26:05 am
BOS
- ORD
Nonstop3h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:55 am
ORD
- BOS
Nonstop2h 32m
JetBlue
Thu 4/26:05 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 3/9![JetBlue logo]()
$146
This Super.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/28:55 am
ORD
- BOS
Nonstop2h 32m
JetBlue
Mon 4/66:05 am
BOS
- ORD
Nonstop3h 03m
JetBlue
Deal found 3/9![JetBlue logo]()
$145
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:45 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 4/111:50 pm
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 3/8![Southwest logo]()
$136
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 4/47:00 am
ORD
- BOS
Nonstop2h 25m
Delta
Tue 4/77:15 am
BOS
- ORD
Nonstop3h 10m
Delta
Deal found 3/9![Delta logo]()
$137
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/810:55 am
ORD
- BOS
Nonstop2h 31m
American Airlines
Wed 4/84:34 pm
BOS
- ORD
Nonstop3h 17m
American Airlines
Deal found 3/10![American Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 3/9. 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 4/88:58 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Wed 4/157:35 pm
BOS
- ORD
Nonstop3h 04m
JetBlue
Deal found 3/9![JetBlue logo]()
$135
This SmartFares deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:55 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Sun 4/126:05 am
BOS
- ORD
Nonstop3h 03m
JetBlue
Deal found 3/13![JetBlue logo]()
$138
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/153:15 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Mon 4/2710:40 am
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 3/9![Southwest logo]()
$137
This JetBlue deal was found by Cheapflights users on 3/8. 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.
Tue 4/289:41 am
ORD
- BOS
Nonstop2h 26m
JetBlue
Tue 5/197:35 pm
BOS
- ORD
Nonstop3h 01m
JetBlue
Deal found 3/8![JetBlue logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:11 pm
ORD
- BOS
Nonstop2h 34m
American Airlines
Sat 5/26:48 pm
BOS
- ORD
Nonstop3h 12m
American Airlines
Deal found 3/8![American Airlines logo]()
$126
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 March 13, 2026.
Search for one-way flight options from Illinois to New Hampshire. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Super.com deal was found by Cheapflights users on 3/9. 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.
Tue 4/149:41 am
ORD
- BOS
Nonstop2h 26m
JetBlue
Deal found 3/9![JetBlue logo]()
$68
This Southwest deal was found by Cheapflights users on 3/9. 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 5/305:25 pm
MDW
- BOS
1 stop5h 15m
Southwest
Deal found 3/9![Southwest logo]()
$68
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/82:10 pm
ORD
- BOS
Nonstop2h 28m
Delta
Deal found 3/9![Delta logo]()
$69
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:45 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 3/8![Southwest logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 3/3111:27 am
STL
- BOS
1 stop12h 46m
Frontier
Deal found 3/9![Frontier logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:45 pm
ORD
- BOS
1 stop7h 48m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$70
This Southwest deal was found by Cheapflights users on 3/9. 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 5/301:55 pm
ORD
- BOS
2 stops8h 45m
Southwest
Deal found 3/9![Southwest logo]()
$73
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
ORD
- BOS
1 stop19h 11m
Frontier
Deal found 3/11![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:56 pm
MDW
- BOS
1 stop9h 30m
Frontier
Deal found 3/11![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
ORD
- BOS
Nonstop2h 13m
JetBlue
Deal found 3/12![JetBlue logo]()
$77
This Super.com deal was found by Cheapflights users on 3/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:55 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Deal found 3/10![JetBlue logo]()
$78
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/87:30 am
ORD
- BOS
Nonstop2h 31m
United Airlines
Deal found 3/10![United Airlines logo]()
$79
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (American Airlines) |
One-way from | $68 (Super.com) |
Popular in | April |
Cheapest in | January |
Average price | $223 |
Good round-trip deal | $387 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 March 13, 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
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Tue 4/7
2:40 pm-10:30 pm
1 stop6h 50m
Boston Logan Intl
Tue 4/14
6:20 am-4:05 pm
2 stops10h 45m
$162
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Mon 3/30
9:30 pm-12:59 am
Nonstop2h 29m
Boston Logan Intl
Sun 4/5
7:00 am-9:00 am
Nonstop3h 00m
$165
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Tue 4/21
9:41 am-1:07 pm
Nonstop2h 26m
Boston Logan Intl
Thu 4/30
7:02 am-8:59 am
Nonstop2h 57m
$167
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Mon 5/4
5:40 pm-11:10 pm
1 stop4h 30m
Boston Logan Intl
Wed 5/6
6:20 pm-8:10 pm
Nonstop2h 50m
$167
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Tue 4/21
7:45 am-11:00 am
Nonstop2h 15m
Boston Logan Intl
Tue 4/28
12:55 pm-8:00 pm
1 stop8h 05m
$167
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 5/16
6:00 am-9:15 am
Nonstop2h 15m
Boston Logan Intl
Sun 5/17
6:52 am-8:51 am
Nonstop2h 59m
$172
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Thu 4/9
9:00 am-4:05 pm
1 stop6h 05m
Boston Logan Intl
Mon 4/13
6:45 pm-10:45 pm
1 stop5h 00m
$177
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 9/9
7:46 pm-11:20 pm
Nonstop2h 34m
Boston Logan Intl
Mon 9/14
8:22 pm-10:19 pm
Nonstop2h 57m
$185
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Wed 3/25
1:55 pm-5:17 pm
Nonstop2h 22m
Boston Logan Intl
Sun 3/29
6:00 am-7:59 am
Nonstop2h 59m
$185
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 6/11
12:53 pm-4:29 pm
Nonstop2h 36m
Boston Logan Intl
Mon 6/15
5:45 am-9:36 am
1 stop4h 51m
$187
Showing 1-10 of 60 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.
ORD-BOS
MDW-BOS
MDW-PWM
STL-BOS
PIA-BOS
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
MDW-PWM
STL-BOS
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 March 13, 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 21, 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 March 13, 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.
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 March 13, 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$181 | Average$447 | FlexibilityNo cancel fee | On-time71% |