$81+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to New Hampshire with Cheapflights
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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 May 1, 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 May 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:56 am
ORD
- BOS
Nonstop2h 27m
JetBlue
Tue 8/45:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Deal found 4/27![JetBlue logo]()
$157
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Tue 5/265:25 pm
BOS
- ORD
Nonstop3h 10m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$159
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Wed 5/2712:01 pm
BOS
- ORD
1 stop8h 40m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:04 pm
MDW
- BOS
1 stop12h 20m
Frontier
Mon 6/112:01 pm
BOS
- MDW
1 stop11h 01m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Wed 7/85:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Deal found 4/30![JetBlue logo]()
$162
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Mon 5/256:00 am
BOS
- ORD
Nonstop3h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$164
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Tue 5/269:12 am
BOS
- ORD
1 stop11h 29m
Frontier
Deal found 4/29![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Wed 5/275:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Tue 6/27:35 am
BOS
- ORD
Nonstop2h 52m
Delta
Deal found 4/28![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 4/27. 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 6/97:40 am
MDW
- BOS
Nonstop2h 15m
Southwest
Tue 6/165:35 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/27![Southwest logo]()
$167
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Sat 5/2311:00 am
BOS
- ORD
Nonstop3h 01m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$169
This Jetabroad deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:30 pm
ORD
- BOS
Nonstop2h 29m
JetBlue
Tue 6/238:10 am
BOS
- ORD
Nonstop2h 56m
JetBlue
Deal found 5/1![JetBlue logo]()
$170
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 May 1, 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 May 1, 2026.
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
ORD
- BOS
Nonstop2h 25m
United Airlines
Sat 5/233:08 pm
BOS
- ORD
Nonstop2h 52m
United Airlines
Deal found 4/30![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Wed 6/104:15 pm
BOS
- ORD
Nonstop3h 05m
Delta
Deal found 4/28![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 4/26. 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 5/297:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Mon 6/17:10 am
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 4/26![Southwest logo]()
$187
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
ORD
- BOS
1 stop4h 16m
United Airlines
Sat 6/66:00 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Deal found 4/30![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:41 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Tue 5/266:00 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Deal found 4/28![United Airlines logo]()
$186
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:00 pm
ORD
- BOS
Nonstop2h 37m
Delta
Thu 10/17:30 am
BOS
- ORD
Nonstop2h 58m
Delta
Deal found 4/26![Delta logo]()
$205
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:11 pm
PIA
- BOS
1 stop13h 19m
American Airlines
Tue 6/305:00 am
BOS
- PIA
1 stop14h 41m
American Airlines
Deal found 4/30![American Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Mon 7/275:25 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/30![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:35 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Fri 7/38:15 pm
BOS
- ORD
Nonstop3h 00m
United Airlines
Deal found 4/26![United Airlines logo]()
$186
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:05 pm
MDW
- BOS
1 stop5h 05m
Southwest
Mon 6/85:25 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/28![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:25 pm
ORD
- BOS
Nonstop2h 37m
Delta
Fri 6/198:45 pm
BOS
- ORD
Nonstop2h 57m
Delta
Deal found 4/28![Delta logo]()
$231
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:15 am
ORD
- BOS
Nonstop2h 24m
United Airlines
Sun 6/216:00 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Deal found 4/26![United Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:45 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Tue 5/196:20 am
BOS
- MDW
1 stop5h 20m
Southwest
Deal found 4/30![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:29 am
ORD
- BOS
Nonstop2h 30m
Delta
Fri 6/268:45 pm
BOS
- ORD
Nonstop2h 57m
Delta
Deal found 4/30![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:15 am
ORD
- BOS
Nonstop2h 24m
United Airlines
Tue 7/75:45 am
BOS
- ORD
1 stop4h 51m
United Airlines
Deal found 4/30![United Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 5/276:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Wed 6/35:45 am
BOS
- MDW
1 stop6h 50m
Southwest
Deal found 4/27![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 4/26. 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 7/27:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Sat 7/115:20 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/26![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:35 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Sun 7/56:00 am
BOS
- ORD
Nonstop2h 55m
United Airlines
Deal found 4/28![United Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:05 am
ORD
- PWM
1 stop7h 14m
Delta
Thu 7/211:48 am
PWM
- ORD
1 stop6h 14m
Delta
Deal found 4/30![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:25 am
MDW
- BOS
Nonstop2h 15m
Southwest
Sun 7/1210:05 pm
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 4/30![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:23 am
MDW
- PWM
1 stop5h 47m
Delta
Sat 5/2312:50 pm
PWM
- MDW
1 stop6h 43m
Delta
Deal found 4/26![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:15 am
MDW
- BOS
1 stop4h 35m
Southwest
Sat 5/93:30 pm
BOS
- MDW
Nonstop2h 45m
Southwest
Deal found 4/30![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:15 pm
ORD
- PWM
2 stops9h 44m
Delta
Wed 10/75:59 pm
PWM
- ORD
1 stop5h 36m
Delta
Deal found 4/28![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:35 am
ORD
- PWM
Nonstop2h 37m
United Airlines
Sun 8/306:00 am
PWM
- ORD
Nonstop2h 55m
United Airlines
Deal found 4/29![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 4/26. 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 8/101:15 pm
ORD
- MHT
1 stop7h 41m
American Airlines
Fri 8/147:09 am
MHT
- ORD
Nonstop2h 56m
American Airlines
Deal found 4/26![American Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/112:45 pm
MDW
- BOS
1 stop7h 40m
Southwest
Sat 6/205:20 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/28![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:59 am
MDW
- PWM
2 stops11h 19m
Delta
Mon 6/86:00 am
PWM
- MDW
1 stop7h 00m
Delta
Deal found 4/27![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:05 pm
MDW
- BOS
1 stop6h 05m
Southwest
Sat 7/255:20 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/30![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:19 pm
STL
- PWM
1 stop5h 46m
Delta
Tue 6/236:57 pm
PWM
- STL
1 stop5h 59m
Delta
Deal found 4/30![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:53 pm
ORD
- PWM
1 stop6h 58m
United Airlines
Tue 6/234:51 pm
PWM
- ORD
Nonstop3h 00m
United Airlines
Deal found 4/26![United Airlines logo]()
$306
Last-minute flights from Illinois to New HampshireDiscover last-minute flight deals from Illinois to New Hampshire. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to New Hampshire. Data last updated May 1, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Tue 5/265:25 pm
BOS
- ORD
Nonstop3h 10m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$159
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Wed 5/2712:01 pm
BOS
- ORD
1 stop8h 40m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:04 pm
MDW
- BOS
1 stop12h 20m
Frontier
Mon 6/112:01 pm
BOS
- MDW
1 stop11h 01m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Mon 5/256:00 am
BOS
- ORD
Nonstop3h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$164
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Tue 5/269:12 am
BOS
- ORD
1 stop11h 29m
Frontier
Deal found 4/29![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Wed 5/275:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Tue 5/267:20 am
BOS
- MDW
Nonstop2h 45m
Southwest
Deal found 4/28![Southwest logo]()
$167
This Priceline deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Sat 5/2311:00 am
BOS
- ORD
Nonstop3h 01m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Mon 6/16:55 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Deal found 4/28![Southwest logo]()
$172
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:45 pm
ORD
- BOS
Nonstop2h 36m
United Airlines
Sun 5/317:19 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Deal found 4/27![United Airlines logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:30 pm
ORD
- BOS
Nonstop2h 29m
JetBlue
Wed 6/36:00 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 4/30![JetBlue logo]()
$162
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Tue 6/27:35 am
BOS
- ORD
Nonstop2h 52m
Delta
Deal found 4/28![Delta logo]()
$167
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 May 1, 2026.
Search for one-way flight options from Illinois to New Hampshire. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This SmartFares deal was found by Cheapflights users on 4/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/27![JetBlue logo]()
$81
This Super.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:30 pm
ORD
- BOS
Nonstop2h 29m
JetBlue
Deal found 4/28![JetBlue logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/30![JetBlue logo]()
$83
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:10 am
ORD
- BOS
Nonstop2h 36m
Delta
Deal found 4/28![Delta logo]()
$84
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:05 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 4/28![Southwest logo]()
$84
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:25 pm
ORD
- BOS
Nonstop2h 32m
American Airlines
Deal found 4/30![American Airlines logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:04 pm
MDW
- BOS
1 stop12h 23m
Frontier
Deal found 4/27![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/30![JetBlue logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/131:55 pm
ORD
- BOS
Nonstop2h 38m
JetBlue
Deal found 4/30![JetBlue logo]()
$88
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:26 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Deal found 4/29![United Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:15 am
MDW
- BOS
Nonstop2h 10m
Southwest
Deal found 4/29![Southwest logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:29 pm
ORD
- BOS
1 stop10h 58m
Frontier
Deal found 4/28![Frontier logo]()
$90
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 May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Cheapflightsfares) |
One-way from | $81 (SmartFares) |
Popular in | April |
Cheapest in | January |
Average price | $222 |
Good round-trip deal | $489 or less |
Good one-way deal | $197 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 May 1, 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
Wed 5/20
6:00 am-9:25 am
Nonstop2h 25m
Boston Logan Intl
Sat 5/23
3:08 pm-5:00 pm
Nonstop2h 52m
$177
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 5/30
6:00 am-11:16 am
1 stop4h 16m
Boston Logan Intl
Sat 6/6
6:00 am-7:58 am
Nonstop2h 58m
$177
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 6/4
7:00 am-10:35 am
Nonstop2h 35m
Boston Logan Intl
Wed 6/10
4:15 pm-6:20 pm
Nonstop3h 05m
$182
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Fri 5/22
9:41 pm-1:14 am
Nonstop2h 33m
Boston Logan Intl
Tue 5/26
6:00 am-7:58 am
Nonstop2h 58m
$186
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Tue 6/30
9:35 pm-1:08 am
Nonstop2h 33m
Boston Logan Intl
Fri 7/3
8:15 pm-10:15 pm
Nonstop3h 00m
$186
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Fri 5/29
7:00 pm-10:20 pm
Nonstop2h 20m
Boston Logan Intl
Mon 6/1
7:10 am-9:00 am
Nonstop2h 50m
$187
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sat 9/26
4:00 pm-7:37 pm
Nonstop2h 37m
Boston Logan Intl
Thu 10/1
7:30 am-9:28 am
Nonstop2h 58m
$205
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Thu 6/18
6:15 am-9:39 am
Nonstop2h 24m
Boston Logan Intl
Sun 6/21
6:00 am-7:58 am
Nonstop2h 58m
$205
Quickest round-trip
ChicagoBoston
MDW - BOS
MDWBOS
Chicago Midway
Thu 7/23
7:35 pm-10:50 pm
Nonstop2h 15m
Boston Logan Intl
Mon 7/27
5:25 am-7:00 am
Nonstop2h 35m
$217
ChicagoBoston
ORD - BOS
ORDBOS
Chicago O'Hare Intl
Sun 6/28
6:15 am-9:39 am
Nonstop2h 24m
Boston Logan Intl
Tue 7/7
5:45 am-9:36 am
1 stop4h 51m
$222
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
ORD-PWM
PIA-BOS
MDW-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
ORD-PWM
PIA-BOS
What is the cheapest month to book a flight from Illinois to New Hampshire?
Currently, September is the cheapest month in which you can book a flight from Illinois to New Hampshire (average of $105). 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 May 1, 2026.
It’s typically best to fly out from Illinois to New Hampshire in the morning. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, 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 April 25, 2026.
Travelers seeking maximum savings on their Illinois to New Hampshire flight should consider departing on Saturday mornings 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.
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 May 1, 2026.
The most flights from USIL to USNH are scheduled on a Wednesday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Illinois to New Hampshire?
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 May 1, 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
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$423 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$181 | Average$424 | FlexibilityNo cancel fee | On-time71% |