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New Hampshire

$55+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MHT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$110
(Frontier)

One-way from

$55
(Frontier)

Popular in

April

Cheapest in

September

Average price

$247

Good round-trip deal

$430 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. 14% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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.
Wed 3/510:25 amORD - BOS
3 stops33h 55mSpirit Airlines
Wed 3/125:00 pmBOS - ORD
2 stops15h 44mSpirit Airlines
Deal found 2/19$151
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/13:25 pmORD - BOS
1 stop8h 05mMultiple Airlines
Wed 3/511:14 amBOS - ORD
1 stop13h 42mMultiple Airlines
Deal found 2/19$152
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:10 amORD - BOS
Nonstop2h 33mDelta
Sun 3/97:00 amBOS - ORD
Nonstop3h 09mDelta
Deal found 2/20$155
This Southwest deal was found by Cheapflights users on 2/19. 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 5/17:20 pmMDW - BOS
Nonstop2h 15mSouthwest
Sun 5/48:20 pmBOS - MDW
Nonstop2h 40mSouthwest
Deal found 2/19$157
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/53:13 pmORD - BOS
Nonstop2h 24mAmerican Airlines
Mon 4/78:59 pmBOS - ORD
Nonstop2h 58mAmerican Airlines
Deal found 2/20$158
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/72:41 pmMDW - BOS
1 stop16h 40mFrontier
Sat 3/159:12 amBOS - MDW
1 stop14h 28mFrontier
Deal found 2/20$160
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:21 pmORD - BOS
1 stop7h 23mFrontier
Thu 3/275:10 amBOS - ORD
1 stop6h 40mFrontier
Deal found 2/19$162
This JetBlue deal was found by Cheapflights users on 2/20. 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 8/186:00 amORD - PWM
1 stop6h 23mJetBlue
Mon 8/256:10 amPWM - ORD
1 stop5h 37mJetBlue
Deal found 2/20$163
This JetBlue deal was found by Cheapflights users on 2/19. 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 5/16:30 pmORD - BOS
Nonstop2h 29mJetBlue
Sun 5/46:00 amBOS - ORD
Nonstop3h 01mJetBlue
Deal found 2/19$167
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/37:10 amORD - BOS
Nonstop2h 28mUnited Airlines
Sun 4/67:43 amBOS - ORD
Nonstop2h 57mUnited Airlines
Deal found 2/19$168
This American Airlines deal was found by Cheapflights users on 2/20. 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 7/56:20 pmORD - PWM
Nonstop2h 30mAmerican Airlines
Wed 7/97:19 amPWM - ORD
Nonstop2h 51mAmerican Airlines
Deal found 2/20$209
This Delta deal was found by Cheapflights users on 2/20. 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 3/196:00 amORD - PWM
1 stop4h 27mDelta
Wed 3/264:30 pmPWM - ORD
1 stop5h 08mDelta
Deal found 2/20$217

Find flights from Illinois to New Hampshire within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

New Hampshire

Route

Depart

Return

Price

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Wed 3/5

10:25 am-9:20 pm

3 stops33h 55m

Boston Logan Intl

Wed 3/12

5:00 pm-7:44 am

2 stops15h 44m

$151

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 4/17

9:20 am-12:47 am

1 stop14h 27m

Boston Logan Intl

Mon 4/21

9:31 pm-8:04 am

1 stop11h 33m

$153

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Fri 3/7

7:10 am-10:43 am

Nonstop2h 33m

Boston Logan Intl

Mon 3/10

7:25 am-9:34 am

Nonstop3h 09m

$157

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Thu 5/1

7:20 pm-10:35 pm

Nonstop2h 15m

Boston Logan Intl

Sun 5/4

8:20 pm-10:00 pm

Nonstop2h 40m

$157

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sat 4/5

3:13 pm-6:37 pm

Nonstop2h 24m

Boston Logan Intl

Mon 4/7

8:59 pm-10:57 pm

Nonstop2h 58m

$158

ChicagoBoston

MDW - BOS

MDWBOS

Chicago Midway

Fri 3/7

2:41 pm-8:21 am

1 stop16h 40m

Boston Logan Intl

Sat 3/15

9:12 am-10:40 pm

1 stop14h 28m

$160

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Sun 3/9

8:10 am-9:11 am

1 stop24h 01m

Boston Logan Intl

Sun 3/16

6:00 am-7:44 am

1 stop26h 44m

$162

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Mon 8/18

6:00 am-1:23 pm

1 stop6h 23m

Portland

Tue 8/26

6:10 am-10:47 am

1 stop5h 37m

$163

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 3/6

7:30 am-10:49 am

Nonstop2h 19m

Boston Logan Intl

Mon 3/10

5:30 am-9:35 am

1 stop5h 05m

$164

ChicagoBoston

ORD - BOS

ORDBOS

Chicago O'Hare Intl

Thu 5/1

6:30 pm-9:59 pm

Nonstop2h 29m

Boston Logan Intl

Sun 5/4

6:00 am-8:01 am

Nonstop3h 01m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Illinois to New Hampshire

Get recent, data-driven insights about flights from Illinois to New Hampshire including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of $453). 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 February 20, 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.

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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $55 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $68 and JetBlue from $79 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 June is currently the most expensive (average of $453). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$486FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$309Average$436FlexibilityNo cancel feeOn-time63%
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