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Cheap flights from New Hampshire to Illinois from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Illinois departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from New Hampshire to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
3:35 pm - 5:43 pm
BOS
-
ORD
3h 08mnonstop
JetBlue Logo
7:45 am - 11:10 am
ORD
-
BOS
2h 25mnonstop
$120JetBlue
Thu, Jan 15 - Sun, Jan 18
Southwest Logo
5:30 am - 7:20 am
BOS
-
MDW
2h 50mnonstop
Southwest Logo
2:00 pm - 5:10 pm
MDW
-
BOS
2h 10mnonstop
$127Southwest
Sat, Jan 17 - Tue, Jan 20
Delta Logo
5:15 pm - 7:26 pm
BOS
-
ORD
3h 11mnonstop
Delta Logo
10:40 am - 2:13 pm
ORD
-
BOS
2h 33mnonstop
$127Delta
Sat, Jan 17 - Tue, Jan 20
Frontier Logo
6:00 am - 11:45 am
BOS
-
MDW
6h 45m1 stop
Frontier Logo
1:20 pm - 1:03 am
MDW
-
BOS
10h 43m1 stop
$128Frontier
Fri, Jan 23 - Tue, Jan 27
Frontier Logo
6:00 am - 1:37 pm
BOS
-
ORD
8h 37m1 stop
Frontier Logo
2:42 pm - 1:13 am
ORD
-
BOS
9h 31m1 stop
$128Frontier
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
6:00 am - 10:44 pm
BOS
-
ORD
17h 44m1 stop
Frontier Logo
6:03 am - 1:13 am
ORD
-
BOS
18h 10m1 stop
$129Frontier
Sat, Jan 24 - Sat, Jan 31
Spirit Airlines Logo
7:00 am - 7:41 pm
BOS
-
ORD
13h 41m1 stop
Spirit Airlines Logo
7:20 am - 4:28 pm
ORD
-
BOS
8h 08m1 stop
$130Spirit Airlines
Sat, Jan 24 - Sat, Jan 31
Delta Logo
5:15 pm - 7:26 pm
BOS
-
ORD
3h 11mnonstop
Delta Logo
2:25 pm - 5:54 pm
ORD
-
BOS
2h 29mnonstop
$132Delta
Sat, Jan 17 - Wed, Jan 21
American Airlines Logo
1:47 pm - 10:03 am
ORH
-
ORD
21h 16m1 stop
American Airlines Logo
6:46 pm - 1:17 pm
ORD
-
ORH
17h 31m1 stop
$154American Airlines
Thu, Jan 1 - Sun, Jan 4
American Airlines Logo
1:47 pm - 7:30 am
ORH
-
ORD
18h 43m2 stops
American Airlines Logo
8:45 pm - 1:17 pm
ORD
-
ORH
15h 32m1 stop
$164American Airlines
Thu, Jan 1 - Sun, Jan 4

Delta flights from New Hampshire to Illinois

Our best Delta deals on New Hampshire to Illinois flight tickets
Delta
Jan 23
BOS7:30 amBoston Logan Intl
3h 11m
ORD9:41 amChicago O'Hare Intl
Jan 25
ORD7:05 amChicago O'Hare Intl
2h 35m
BOS10:40 amBoston Logan Intl
$129
Find similar
Delta
Jan 9
BOS7:30 amBoston Logan Intl
3h 11m
ORD9:41 amChicago O'Hare Intl
Jan 11
ORD7:05 amChicago O'Hare Intl
2h 35m
BOS10:40 amBoston Logan Intl
$142
Find similar
Delta
Jan 15
BOS1:50 pmBoston Logan Intl
3h 07m
ORD3:57 pmChicago O'Hare Intl
Jan 18
ORD7:05 amChicago O'Hare Intl
2h 35m
BOS10:40 amBoston Logan Intl
$157
Find similar

JetBlue flights from New Hampshire to Illinois

Our best JetBlue deals on New Hampshire to Illinois flight tickets
JetBlue
Jan 24
BOS3:35 pmBoston Logan Intl
3h 08m
ORD5:43 pmChicago O'Hare Intl
Jan 31
ORD7:45 amChicago O'Hare Intl
2h 25m
BOS11:10 amBoston Logan Intl
$120
Find similar
JetBlue
Jan 17
BOS12:15 pmBoston Logan Intl
8h 21m
1 stop
ORD7:36 pmChicago O'Hare Intl
Jan 18
ORD7:45 amChicago O'Hare Intl
2h 25m
BOS11:10 amBoston Logan Intl
$131
Find similar
JetBlue
Jan 17
BOS3:35 pmBoston Logan Intl
3h 08m
ORD5:43 pmChicago O'Hare Intl
Jan 21
ORD7:45 amChicago O'Hare Intl
2h 25m
BOS11:10 amBoston Logan Intl
$132
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Illinois 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from New Hampshire to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 1/15

3:35 pm-5:43 pm

Nonstop3h 08m

Chicago O'Hare Intl

Sun 1/18

7:45 am-11:10 am

Nonstop2h 25m

$120

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Sat 1/17

5:30 am-7:20 am

Nonstop2h 50m

Chicago Midway

Tue 1/20

2:00 pm-5:10 pm

Nonstop2h 10m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 1/17

5:15 pm-7:26 pm

Nonstop3h 11m

Chicago O'Hare Intl

Tue 1/20

10:40 am-2:13 pm

Nonstop2h 33m

$127

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Fri 1/23

6:00 am-11:45 am

1 stop6h 45m

Chicago Midway

Tue 1/27

1:20 pm-1:03 am

1 stop10h 43m

$128

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 1/22

6:00 am-1:37 pm

1 stop8h 37m

Chicago O'Hare Intl

Sun 1/25

2:42 pm-1:13 am

1 stop9h 31m

$128

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 1/24

6:00 am-10:44 pm

1 stop17h 44m

Chicago O'Hare Intl

Sat 1/31

6:03 am-1:13 am

1 stop18h 10m

$129

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 1/24

7:00 am-7:41 pm

1 stop13h 41m

Chicago O'Hare Intl

Sat 1/31

7:20 am-4:28 pm

1 stop8h 08m

$130

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 1/17

5:15 pm-7:26 pm

Nonstop3h 11m

Chicago O'Hare Intl

Wed 1/21

2:25 pm-5:54 pm

Nonstop2h 29m

$132

WorcesterChicago

ORH - ORD

ORHORD

Worcester

Thu 1/1

1:47 pm-10:03 am

1 stop21h 16m

Chicago O'Hare Intl

Sun 1/4

6:46 pm-1:17 pm

1 stop17h 31m

$154

WorcesterChicago

ORH - ORD

ORHORD

Worcester

Thu 1/1

1:47 pm-7:30 am

2 stops18h 43m

Chicago O'Hare Intl

Sun 1/4

8:45 pm-1:17 pm

1 stop15h 32m

$164

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from New Hampshire to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from New Hampshire is in September. Flight prices, which tend to average around $187, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $201.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from New Hampshire to Illinois is on a Saturday when prices can be found for as low as $423. Flights from New Hampshire to Illinois on a Sunday will generally be more expensive and average around $503. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from New Hampshire to Illinois during this time can be as low as $401. Flights in the morning are often more expensive with an average ticket price of $451.

What is the cheapest New Hampshire to Illinois flight route?

Fly from Manchester to Chicago Midway for the best New Hampshire - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $250 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New Hampshire for as low as $216 on momondo.

What cabin class options are available on New Hampshire to Illinois flights?

There are 3 cabin classes available to choose from on New Hampshire to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Hampshire to Illinois flights?

No. A direct flight is the cheapest option for a flight between New Hampshire to Illinois.

Cheap New Hampshire to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Illinois

Best Price Found

$218

Fastest flight time

2h 30m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from New Hampshire in the past 72 hours is $218. The best round-trip flight deal from New Hampshire to Illinois found on momondo in the last 72 hours is $429.
The fastest flight from New Hampshire to Illinois takes 2h 30m
Direct flights go from New Hampshire to Illinois every day.
There are 98 airports in Illinois. From New Hampshire there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to Illinois?

    Prices for flights from New Hampshire to Illinois refresh daily.

  • How many operators does momondo search for flights from New Hampshire to Illinois?

  • How old do you have to be to fly from New Hampshire to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New Hampshire to Illinois?

Best airlines flying from New Hampshire to Illinois

Compare and see reviews for airlines that fly from New Hampshire to Illinois with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $196Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from New Hampshire.

Can I find flights from New Hampshire to Illinois with flexible booking policies on momondo?

Flights from New Hampshire to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New Hampshire to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from New Hampshire.

I’m not ready to book a flight from New Hampshire to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of New Hampshire to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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