HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Hampshire

$62+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$121
(Kiwi.com)

One-way from

$62
(JetBlue)

Popular in

April

Cheapest in

August

Average price

$220

Good round-trip deal

$317 or less

Good one-way deal

$240 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. 9% potential increase in price ($22 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 June 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/85:05 amORD - BOS
1 stop9h 32mSpirit Airlines
Wed 7/98:39 pmBOS - ORD
1 stop13h 16mSpirit Airlines
Deal found 6/11$121
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sun 9/215:55 amMDW - BOS
Nonstop2h 15mSouthwest
Wed 9/245:40 pmBOS - MDW
Nonstop2h 40mSouthwest
Deal found 6/12$123
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/98:25 pmORD - BOS
Nonstop2h 34mAmerican Airlines
Tue 8/125:29 amBOS - ORD
Nonstop2h 56mAmerican Airlines
Deal found 6/11$125
This JetBlue deal was found by Cheapflights users on 6/9. 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.
Fri 9/266:50 pmORD - BOS
Nonstop2h 33mJetBlue
Sun 9/287:00 amBOS - ORD
Nonstop2h 57mJetBlue
Deal found 6/9$131
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sun 9/217:30 amORD - BOS
1 stop9h 25mSouthwest
Wed 9/245:20 amBOS - ORD
1 stop8h 25mSouthwest
Deal found 6/12$142
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/229:15 pmORD - BOS
Nonstop2h 30mUnited Airlines
Sun 8/247:45 amBOS - ORD
Nonstop2h 56mUnited Airlines
Deal found 6/10$149
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Tue 7/86:20 pmORD - BOS
Nonstop2h 39mMultiple Airlines
Wed 7/98:39 pmBOS - ORD
1 stop13h 16mMultiple Airlines
Deal found 6/12$163
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/259:37 pmORD - ORH
1 stop17h 14mAmerican Airlines
Wed 10/14:24 pmORH - ORD
2 stops15h 27mAmerican Airlines
Deal found 6/10$164
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 7/187:10 pmORD - BOS
Nonstop2h 40mDelta
Tue 7/227:20 amBOS - ORD
Nonstop2h 58mDelta
Deal found 6/11$173
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:36 pmORD - MHT
1 stop8h 46mJetBlue
Sun 10/127:00 amMHT - ORD
1 stop6h 10mJetBlue
Deal found 6/11$183
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/118:20 pmORD - MHT
Nonstop2h 39mAmerican Airlines
Wed 8/137:04 amMHT - ORD
Nonstop2h 47mAmerican Airlines
Deal found 6/10$197
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/12:46 pmMDW - BOS
1 stop16h 29mAllegiant Air
Sun 8/311:31 amBOS - MDW
1 stop20h 42mAllegiant Air
Deal found 6/11$200

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 June 12, 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

Tue 7/8

5:05 am-3:37 pm

1 stop9h 32m

Boston Logan Intl

Wed 7/9

8:39 pm-8:55 am

1 stop13h 16m

$121

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 8/9

8:25 pm-11:59 pm

Nonstop2h 34m

Boston Logan Intl

Tue 8/12

5:29 am-7:25 am

Nonstop2h 56m

$125

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Tue 8/19

6:10 pm-9:35 pm

Nonstop2h 25m

Boston Logan Intl

Thu 8/21

5:15 am-6:45 am

Nonstop2h 30m

$125

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 8/8

5:51 pm-9:26 pm

Nonstop2h 35m

Boston Logan Intl

Mon 8/11

6:00 am-7:55 am

Nonstop2h 55m

$131

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 7/10

7:45 pm-11:12 pm

Nonstop2h 27m

Boston Logan Intl

Mon 7/14

8:20 pm-10:12 pm

Nonstop2h 52m

$137

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 9/5

2:55 pm-10:35 pm

1 stop6h 40m

Boston Logan Intl

Mon 9/8

10:45 am-4:25 pm

1 stop6h 40m

$145

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Tue 7/8

6:20 pm-9:59 pm

Nonstop2h 39m

Boston Logan Intl

Wed 7/9

8:39 pm-8:55 am

1 stop13h 16m

$163

ChicagoWorcester

ORD - ORH

ORDORH

Chicago O'Hare Intl

Thu 9/25

9:37 pm-3:51 pm

1 stop17h 14m

Worcester

Wed 10/1

4:24 pm-6:51 am

2 stops15h 27m

$164

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 7/18

7:10 pm-10:50 pm

Nonstop2h 40m

Boston Logan Intl

Tue 7/22

7:20 am-9:18 am

Nonstop2h 58m

$173

ChicagoManchester

ORD - MHT

ORDMHT

Chicago O'Hare Intl

Tue 10/7

1:36 pm-11:22 pm

1 stop8h 46m

Manchester

Sun 10/12

7:00 am-12:10 pm

1 stop6h 10m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 July is currently the most expensive (average of $399). 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 June 12, 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 June 12, 2025.

The most flights from USIL to USNH are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to New Hampshire to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $62 on JetBlue. Other airlines that offer cheap prices include United Airlines from $63 and Southwest from $63 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 July is currently the most expensive (average of $399). 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
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Los Angeles to Seattle flights
Los Angeles to Newark flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Orlando flights
Newark to Miami flights
Newark to Los Angeles flights
LaGuardia to O'Hare Intl flights
LaGuardia to Miami flights
Newark to Seattle flights
John F Kennedy Intl to Seattle flights
O'Hare Intl to John F Kennedy Intl flights
Dallas/Fort Worth to O'Hare Intl flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Fort Lauderdale flights
San Francisco to John F Kennedy Intl flights
Seattle to Los Angeles flights
LaGuardia to Fort Lauderdale flights
Newark to Orlando flights
San Francisco to Newark flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Honolulu flights
Los Angeles to O'Hare Intl flights
Dallas/Fort Worth to Las Vegas flights
Newark to O'Hare Intl flights
O'Hare Intl to Seattle flights
Dallas/Fort Worth to Los Angeles flights
O'Hare Intl to Las Vegas flights
Los Angeles to LaGuardia flights
Newark to Las Vegas flights
Los Angeles to San Francisco flights
Hobby to Las Vegas flights
John F Kennedy Intl to Atlanta flights
LaGuardia to Denver flights
Los Angeles to Dallas/Fort Worth flights
Atlanta to John F Kennedy Intl flights
San Francisco to Seattle flights
Newark to Dallas/Fort Worth flights
Fort Lauderdale to LaGuardia flights
Atlanta to LaGuardia flights
O'Hare Intl to LaGuardia flights
Hobby to Seattle 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$520FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$277Average$425FlexibilityNo 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.