HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Hampshire

$69+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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

Keep the following information in mind while searching for Illinois to New Hampshire flight deals. Data was last updated September 17, 2025.

Round-trip from

$127
(United Airlines)

One-way from

$69
(JetBlue)

Popular in

April

Cheapest in

September

Average price

$207

Good round-trip deal

$309 or less

Good one-way deal

$148 or less
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 ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Illinois to New Hampshire.
Search Deals
Price to beat on a one-way flight from Illinois to New Hampshire.
Search Deals

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 September 17, 2025.

This JetBlue deal was found by Cheapflights users on 9/15. 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 9/297:50 pmORD - BOS
Nonstop2h 35mJetBlue
Sat 10/47:00 amBOS - ORD
Nonstop2h 56mJetBlue
Deal found 9/15$127
This Southwest deal was found by Cheapflights users on 9/15. 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 10/2112:40 pmMDW - BOS
1 stop4h 20mSouthwest
Thu 10/2310:25 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 9/15$127
This JetBlue deal was found by Cheapflights users on 9/15. 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.
Wed 10/19:51 amORD - BOS
Nonstop2h 29mJetBlue
Wed 10/14:40 pmBOS - ORD
Nonstop3h 15mJetBlue
Deal found 9/15$130
This JetBlue deal was found by Cheapflights users on 9/17. 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.
Wed 9/249:51 amORD - BOS
Nonstop2h 29mJetBlue
Wed 10/157:09 amBOS - ORD
Nonstop3h 13mJetBlue
Deal found 9/17$132
This Southwest deal was found by Cheapflights users on 9/14. 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 11/79:30 amMDW - BOS
2 stops7h 45mSouthwest
Sun 11/95:15 amBOS - MDW
Nonstop2h 45mSouthwest
Deal found 9/14$132
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/79:25 pmORD - BOS
Nonstop2h 20mUnited Airlines
Mon 11/106:23 pmBOS - ORD
Nonstop3h 00mUnited Airlines
Deal found 9/16$133
This JetBlue deal was found by Cheapflights users on 9/17. 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
Mon 11/108:30 amBOS - ORD
Nonstop3h 05mJetBlue
Deal found 9/17$135
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/86:00 amORD - BOS
1 stop6h 20mSpirit Airlines
Wed 10/156:16 amBOS - ORD
1 stop18h 29mSpirit Airlines
Deal found 9/15$136
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/232:15 pmORD - BOS
Nonstop2h 31mUnited Airlines
Tue 9/3011:02 amBOS - ORD
Nonstop2h 50mUnited Airlines
Deal found 9/15$137
This Southwest deal was found by Cheapflights users on 9/17. 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 9/266:45 pmMDW - BOS
Nonstop2h 20mSouthwest
Thu 10/25:35 amBOS - MDW
1 stop5h 40mSouthwest
Deal found 9/17$137
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/309:25 pmORD - BOS
Nonstop2h 20mUnited Airlines
Sat 11/16:26 pmBOS - ORD
Nonstop2h 59mUnited Airlines
Deal found 9/16$138
This Southwest deal was found by Cheapflights users on 9/14. 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 11/149:30 amMDW - BOS
2 stops7h 45mSouthwest
Tue 11/185:35 pmBOS - MDW
1 stop4h 30mSouthwest
Deal found 9/14$138

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 September 17, 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

Sat 11/15

1:15 pm-7:35 pm

1 stop5h 20m

Boston Logan Intl

Wed 11/19

5:35 pm-9:05 pm

1 stop4h 30m

$132

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 10/7

7:13 pm-10:46 pm

Nonstop2h 33m

Boston Logan Intl

Wed 10/15

7:09 am-9:22 am

Nonstop3h 13m

$135

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Mon 10/20

5:50 am-12:20 pm

1 stop5h 30m

Boston Logan Intl

Wed 10/22

7:50 am-2:25 pm

1 stop7h 35m

$137

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Sat 10/18

3:50 pm-9:35 pm

1 stop4h 45m

Boston Logan Intl

Sat 10/25

6:30 am-4:25 pm

2 stops10h 55m

$142

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Thu 11/6

9:05 pm-8:05 am

1 stop10h 00m

Boston Logan Intl

Sun 11/9

6:50 pm-11:30 pm

1 stop5h 40m

$142

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Sat 12/13

9:50 am-1:10 pm

Nonstop2h 20m

Boston Logan Intl

Wed 12/17

5:35 pm-9:05 pm

1 stop4h 30m

$143

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Fri 1/30

2:00 pm-5:10 pm

Nonstop2h 10m

Boston Logan Intl

Sun 2/1

5:20 pm-10:30 pm

1 stop6h 10m

$147

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 10/25

12:40 pm-10:15 pm

2 stops8h 35m

Boston Logan Intl

Sun 10/26

5:00 am-12:45 pm

1 stop8h 45m

$148

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Wed 12/10

11:25 am-5:20 pm

1 stop4h 55m

Boston Logan Intl

Wed 12/17

5:35 pm-9:05 pm

1 stop4h 30m

$152

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 10/18

10:08 am-1:37 pm

Nonstop2h 29m

Boston Logan Intl

Fri 10/24

4:05 pm-6:18 pm

Nonstop3h 13m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Illinois to New Hampshire (average of $334). Flying from Illinois to New Hampshire in April is currently the most expensive (average of $398). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to New Hampshire as you normally would.

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 September 17, 2025.

The most flights from USIL to USNH are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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 September 17, 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

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

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

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

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
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

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 $155, Southwest can have you in New Hampshire from Illinois in 2h 20m. There are 864 mi between Illinois and New Hampshire. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $69 on JetBlue. Other airlines that offer cheap prices include Southwest from $69 and Spirit Airlines from $93 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, January is the cheapest month in which you can book a flight from Illinois to New Hampshire (average of $334). Flying from Illinois to New Hampshire in April is currently the most expensive (average of $398). 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

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 for Illinois to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to LaGuardia flights
LaGuardia to O'Hare Intl flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Orlando flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to Seattle flights
Seattle to Los Angeles flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to Miami flights
Newark to Las Vegas flights
Dallas/Fort Worth to O'Hare Intl flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to O'Hare Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Newark flights
Newark to Miami flights
Dallas/Fort Worth to Seattle flights
Seattle to Las Vegas flights
Newark to Orlando flights
O'Hare Intl to Las Vegas flights
Newark to Los Angeles flights
Los Angeles to LaGuardia flights
Dallas/Fort Worth to Denver flights
Los Angeles to San Francisco flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Seattle to Sky Harbor Intl flights
Los Angeles to Honolulu flights
San Francisco to Newark flights
O'Hare Intl to Newark flights
Ontario to Seattle flights
Newark to Dallas/Fort Worth flights
Los Angeles to O'Hare Intl flights
Atlanta to LaGuardia flights
LaGuardia to Orlando flights
Seattle to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
O'Hare Intl to Sky Harbor Intl flights
John F Kennedy Intl to Sky Harbor Intl flights

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$181Average$492FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$429FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.