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New Hampshire

$47+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Delta)

One-way from

$47
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$244

Good round-trip deal

$413 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Chicago (CHI)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Boston Logan Intl flights.
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From Illinois to New Hampshire
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One-way flight from Illinois to New Hampshire
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Highest demand for flights based on searches. 6% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Illinois to New Hampshire.
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Price to beat on a one-way flight from Illinois to New Hampshire.
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Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:10 pmORD - BOS
Nonstop2h 24mDelta
Mon 12/87:52 pmBOS - ORD
Nonstop2h 55mDelta
Deal found 10/29$117
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:10 amORD - BOS
Nonstop2h 26mDelta
Sun 12/77:30 amBOS - ORD
Nonstop3h 03mDelta
Deal found 10/29$118
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:25 amORD - BOS
1 stop26h 03mFrontier
Mon 11/178:40 amBOS - ORD
1 stop15h 48mFrontier
Deal found 10/29$119
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:12 amMDW - BOS
1 stop21h 16mFrontier
Sat 11/1511:43 amBOS - MDW
1 stop10h 52mFrontier
Deal found 10/30$119
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/183:08 pmORD - BOS
Nonstop2h 21mAmerican Airlines
Sat 12/66:00 amBOS - ORD
Nonstop3h 17mAmerican Airlines
Deal found 10/30$122
This Southwest deal was found by Cheapflights users on 10/30. 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 11/271:40 pmMDW - BOS
Nonstop2h 15mSouthwest
Thu 12/45:30 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 10/30$122
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:23 pmMDW - BOS
1 stop13h 59mFrontier
Sun 12/711:28 amBOS - MDW
1 stop23h 24mFrontier
Deal found 10/29$123
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:12 pmORD - BOS
Nonstop2h 21mAmerican Airlines
Thu 1/15:30 pmBOS - ORD
Nonstop3h 14mAmerican Airlines
Deal found 10/29$124
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:55 pmORD - BOS
Nonstop2h 32mJetBlue
Wed 11/128:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 10/29$125
This JetBlue deal was found by Cheapflights users on 10/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:20 amORD - BOS
Nonstop2h 24mJetBlue
Wed 11/123:55 pmBOS - ORD
Nonstop3h 00mJetBlue
Deal found 10/29$127
This Southwest deal was found by Cheapflights users on 10/30. 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 12/46:15 pmMDW - BOS
Nonstop2h 20mSouthwest
Sun 12/76:50 pmBOS - MDW
1 stop5h 40mSouthwest
Deal found 10/30$127
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:20 amORD - BOS
Nonstop2h 24mJetBlue
Mon 11/173:55 pmBOS - ORD
Nonstop3h 00mJetBlue
Deal found 10/30$128

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 October 30, 2025.
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

Fri 12/5

7:30 am-10:49 am

Nonstop2h 19m

Boston Logan Intl

Mon 12/8

6:00 am-8:00 am

Nonstop3h 00m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 12/13

7:10 am-10:36 am

Nonstop2h 26m

Boston Logan Intl

Sun 12/14

4:05 pm-6:02 pm

Nonstop2h 57m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 12/4

7:10 am-10:36 am

Nonstop2h 26m

Boston Logan Intl

Sun 12/7

4:05 pm-6:02 pm

Nonstop2h 57m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 12/10

10:35 am-1:59 pm

Nonstop2h 24m

Boston Logan Intl

Sat 12/13

7:30 am-9:33 am

Nonstop3h 03m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 12/5

7:10 pm-10:34 pm

Nonstop2h 24m

Boston Logan Intl

Mon 12/8

7:52 pm-9:47 pm

Nonstop2h 55m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 12/6

10:35 am-1:59 pm

Nonstop2h 24m

Boston Logan Intl

Sun 12/7

12:50 pm-2:47 pm

Nonstop2h 57m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 12/16

7:10 am-10:36 am

Nonstop2h 26m

Boston Logan Intl

Tue 12/16

4:05 pm-6:02 pm

Nonstop2h 57m

$117

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Wed 11/26

9:35 am-12:50 pm

Nonstop2h 15m

Boston Logan Intl

Wed 12/3

5:30 am-7:15 am

Nonstop2h 45m

$122

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 11/14

6:55 pm-10:27 pm

Nonstop2h 32m

Boston Logan Intl

Mon 11/17

3:55 pm-5:55 pm

Nonstop3h 00m

$127

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 12/18

9:20 am-12:53 pm

Nonstop2h 33m

Boston Logan Intl

Sun 12/21

4:15 pm-6:19 pm

Nonstop3h 04m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 February is currently the most expensive (average of $437). 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 October 30, 2025.

It’s typically best to fly out from Illinois to New Hampshire in the evening. Doing so could potentially save you 38% 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 October 26, 2025.

Travelers seeking maximum savings on their Illinois to New Hampshire flight should consider departing on Tuesday 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.

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 October 30, 2025.
Read through reviews of airlines operating flights from Illinois to New Hampshire, such as Southwest, American Airlines, and JetBlue. 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
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,906 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 $122, United Airlines can have you in New Hampshire from Illinois in 2h 15m. There are 857 mi between Illinois and New Hampshire. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Illinois to New Hampshire one-way?

    One-way options have recently been found by users for as low as $59 on Delta. Other airlines that offer cheap prices include Southwest from $64 and JetBlue from $65 one-way.

  • 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 February is currently the most expensive (average of $437). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$181Average$425FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$181Average$436FlexibilityNo cancel feeOn-time71%

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