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New Hampshire

$66+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Illinois to New Hampshire

Cheapest flights from Illinois to New Hampshire
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/177:00 am
ORD
-
BOS
1 stop9h 15m
Multiple Airlines
Fri 2/276:00 am
BOS
-
ORD
1 stop29h 51m
Multiple Airlines
Deal found 1/27$131
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:02 pm
ORD
-
BOS
1 stop6h 11m
Multiple Airlines
Sat 2/287:00 am
BOS
-
ORD
Nonstop3h 10m
Multiple Airlines
Deal found 1/28$132
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:23 pm
ORD
-
BOS
1 stop20h 22m
Multiple Airlines
Tue 3/36:00 am
BOS
-
ORD
1 stop11h 52m
Multiple Airlines
Deal found 1/27$133
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/55:01 pm
MDW
-
BOS
1 stop7h 12m
Frontier
Mon 2/96:00 am
BOS
-
MDW
1 stop6h 45m
Frontier
Deal found 1/26$133
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:40 am
ORD
-
BOS
Nonstop2h 25m
JetBlue
Mon 2/23:35 pm
BOS
-
ORD
Nonstop3h 08m
JetBlue
Deal found 1/28$134
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/1811:05 am
ORD
-
BOS
Nonstop2h 24m
United Airlines
Sat 2/214:25 pm
BOS
-
ORD
Nonstop3h 05m
United Airlines
Deal found 1/28$135
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/305:35 pm
MDW
-
BOS
Nonstop2h 15m
Southwest
Sun 2/15:20 am
BOS
-
MDW
Nonstop2h 50m
Southwest
Deal found 1/27$135
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 2/157:05 am
ORD
-
BOS
Nonstop2h 32m
Delta
Tue 3/33:50 pm
BOS
-
ORD
Nonstop3h 03m
Delta
Deal found 1/27$136
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 2/157:05 am
ORD
-
BOS
Nonstop2h 32m
Delta
Wed 2/257:45 pm
BOS
-
ORD
Nonstop3h 03m
Delta
Deal found 1/27$137
This Delta deal was found by Cheapflights users on 1/28. 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 2/256:40 pm
ORD
-
BOS
Nonstop2h 29m
Delta
Sat 2/289:05 am
BOS
-
ORD
1 stop8h 49m
Delta
Deal found 1/28$138
This Kissandfly.com deal was found by Cheapflights users on 1/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/307:40 am
ORD
-
BOS
Nonstop2h 25m
JetBlue
Sun 2/16:10 am
BOS
-
ORD
Nonstop3h 10m
JetBlue
Deal found 1/27$139
This Delta deal was found by Cheapflights users on 1/28. 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 2/2811:45 am
MDW
-
BOS
1 stop6h 30m
Delta
Tue 3/36:55 am
BOS
-
MDW
1 stop6h 04m
Delta
Deal found 1/28$139

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(Kiwi.com)

One-way from

$66
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$207
Provider with most accurate pricing for Chicago (CHI)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Boston Logan Intl flights.
Search Deals
From Illinois to New Hampshire
Search Deals
One-way flight from Illinois to New Hampshire
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 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

Wed 4/29

9:41 am-1:09 pm

Nonstop2h 28m

Boston Logan Intl

Sat 5/2

7:35 pm-9:36 pm

Nonstop3h 01m

$135

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 2/28

7:05 am-10:37 am

Nonstop2h 32m

Boston Logan Intl

Tue 3/3

3:50 pm-5:53 pm

Nonstop3h 03m

$135

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 6/3

6:15 am-9:39 am

Nonstop2h 24m

Boston Logan Intl

Sat 6/6

6:00 am-7:58 am

Nonstop2h 58m

$135

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 5/27

7:00 am-10:28 am

Nonstop2h 28m

Boston Logan Intl

Sat 5/30

7:00 am-8:58 am

Nonstop2h 58m

$135

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 4/21

9:41 am-1:09 pm

Nonstop2h 28m

Boston Logan Intl

Wed 5/13

6:52 am-8:51 am

Nonstop2h 59m

$135

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Sat 2/28

11:45 am-7:15 pm

1 stop6h 30m

Boston Logan Intl

Sat 3/7

5:29 am-8:54 am

1 stop4h 25m

$139

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 2/25

10:00 am-1:20 pm

Nonstop2h 20m

Boston Logan Intl

Wed 3/4

7:07 am-12:04 pm

1 stop5h 57m

$151

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 4/22

8:31 am-2:16 pm

1 stop4h 45m

Boston Logan Intl

Tue 4/28

7:35 pm-9:36 pm

Nonstop3h 01m

$151

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Wed 2/25

10:49 am-5:32 pm

1 stop5h 43m

Boston Logan Intl

Sat 2/28

5:29 am-8:54 am

1 stop4h 25m

$152

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 2/28

1:02 pm-7:08 pm

1 stop5h 06m

Boston Logan Intl

Mon 3/2

6:28 pm-8:30 pm

Nonstop3h 02m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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.
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

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 March is currently the most expensive (average of $652). 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 January 29, 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 January 24, 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 January 29, 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.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Illinois to New Hampshire?

    For as low as $135, JetBlue can have you in New Hampshire from Illinois in 2h 24m. There are 864 mi between Illinois and New Hampshire. Generally, flights for this route are nonstop.

  • Can I find deals for flights from Illinois to New Hampshire that include hotel bookings?

    Yes. In addition to deals on Illinois to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to New Hampshire?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to New Hampshire.

  • Can I find deals for business class flights from Illinois to New Hampshire?

    Yes. Cheapflights offers flight deals from Illinois to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 March is currently the most expensive (average of $652). 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.

See more FAQs

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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.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$181Average$368FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$181Average$433FlexibilityNo cancel feeOn-time71%

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