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New Hampshire

$44+ 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
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Delta)

One-way from

$44
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$250

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. 5% potential increase in price ($12 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 November 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 November 13, 2025.

This Delta deal was found by Cheapflights users on 11/12. 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.
Fri 12/127:10 pmORD - BOS
Nonstop2h 24mDelta
Sun 12/1412:50 pmBOS - ORD
Nonstop2h 57mDelta
Deal found 11/12$117
This Southwest deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:15 pmMDW - BOS
Nonstop2h 20mSouthwest
Sun 12/145:15 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 11/11$117
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 12/117:10 amORD - BOS
Nonstop2h 26mDelta
Sun 12/147:30 amBOS - ORD
Nonstop3h 03mDelta
Deal found 11/11$118
This Trip.com deal was found by Cheapflights users on 11/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:38 pmORD - BOS
Nonstop2h 28mJetBlue
Mon 12/158:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 11/13$120
This JetBlue deal was found by Cheapflights users on 11/12. 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.
Mon 12/811:25 amORD - BOS
Nonstop2h 24mJetBlue
Tue 12/98:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 11/12$122
This Southwest deal was found by Cheapflights users on 11/12. 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 12/116:15 pmMDW - BOS
Nonstop2h 20mSouthwest
Sat 12/135:20 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 11/12$122
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:38 pmORD - BOS
Nonstop2h 28mJetBlue
Mon 12/85:29 pmBOS - ORD
Nonstop3h 14mJetBlue
Deal found 11/12$123
This American Airlines deal was found by Cheapflights users on 11/11. 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 12/128:40 pmORD - BOS
Nonstop2h 33mAmerican Airlines
Sat 1/36:36 amBOS - ORD
Nonstop3h 11mAmerican Airlines
Deal found 11/11$124
This JetBlue deal was found by Cheapflights users on 11/12. 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.
Sat 12/611:25 amORD - BOS
Nonstop2h 24mJetBlue
Mon 12/88:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 11/12$125
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:15 amMDW - BOS
1 stop15h 59mFrontier
Thu 1/16:00 amBOS - MDW
1 stop12h 38mFrontier
Deal found 11/12$125
This JetBlue deal was found by Cheapflights users on 11/12. 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 12/48:38 pmORD - BOS
Nonstop2h 28mJetBlue
Sun 12/78:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 11/12$127
This Southwest deal was found by Cheapflights users on 11/11. 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.
Fri 12/56:15 pmMDW - BOS
Nonstop2h 20mSouthwest
Mon 12/85:30 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 11/11$127

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 November 13, 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

MDW - BOS

MDWBOS

Chicago Midway

Thu 12/25

6:15 pm-9:35 pm

Nonstop2h 20m

Boston Logan Intl

Thu 1/1

5:30 am-7:15 am

Nonstop2h 45m

$117

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Thu 12/11

6:15 pm-9:35 pm

Nonstop2h 20m

Boston Logan Intl

Sun 12/14

5:15 am-7:00 am

Nonstop2h 45m

$117

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Mon 12/8

8:38 pm-12:06 am

Nonstop2h 28m

Boston Logan Intl

Tue 12/9

8:30 am-10:35 am

Nonstop3h 05m

$122

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 1/15

7:05 am-10:40 am

Nonstop2h 35m

Boston Logan Intl

Sat 1/17

5:15 pm-7:26 pm

Nonstop3h 11m

$127

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 12/6

11:25 am-2:49 pm

Nonstop2h 24m

Boston Logan Intl

Sun 12/7

8:30 am-10:35 am

Nonstop3h 05m

$127

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Tue 12/9

1:30 pm-4:45 pm

Nonstop2h 15m

Boston Logan Intl

Tue 12/16

7:45 am-1:00 pm

2 stops6h 15m

$132

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Thu 12/11

9:20 am-4:35 pm

1 stop6h 15m

Boston Logan Intl

Sat 12/13

5:20 am-7:05 am

Nonstop2h 45m

$132

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Mon 1/5

7:41 pm-11:10 pm

Nonstop2h 29m

Boston Logan Intl

Sat 1/10

3:35 pm-5:44 pm

Nonstop3h 09m

$134

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 1/15

8:45 am-3:50 pm

1 stop6h 05m

Boston Logan Intl

Sat 1/17

3:35 pm-5:44 pm

Nonstop3h 09m

$136

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 1/31

2:00 pm-5:29 pm

Nonstop2h 29m

Boston Logan Intl

Tue 2/3

4:10 pm-6:19 pm

Nonstop3h 09m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November 13, 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 November 2, 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 November 13, 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
7.9
Good
4,238 reviews

Comfort

8.0

Overall

7.9

Crew

8.6

Boarding

8.1

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
7.9
Good
4,238 reviews
Southwest
7.9
Good
4,238 reviews

Comfort

8.0

Overall

7.9

Crew

8.6

Boarding

8.1

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
11,051 reviews
Southwest
7.9
Good
4,238 reviews

Comfort

8.0

Overall

7.9

Crew

8.6

Boarding

8.1

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
2,907 reviews
Southwest
7.9
Good
4,238 reviews

Comfort

8.0

Overall

7.9

Crew

8.6

Boarding

8.1

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 $117, Southwest can have you in New Hampshire from Illinois in 2h 20m. 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 Southwest. Other airlines that offer cheap prices include JetBlue from $66 and United Airlines from $69 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$181Average$425FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$181Average$435FlexibilityNo cancel feeOn-time71%

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