What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from New Haven according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Tweed-New Haven to Illinois?

Avelo Airlines is the most popular carrier operating from Tweed-New Haven to Illinois

How many flights depart from New Haven to Illinois on average per week?

As of March 2026, 2 flights take off from New Haven and land in Illinois each week. The most common flight departure day for this route is Thu, with 50% of weekly flights taking off on this day.

When did momondo last update prices for flights from Tweed-New Haven Airport to Illinois?

Prices for flights from Tweed-New Haven Airport to Illinois refresh daily.

How many operators does momondo search for flights from Tweed-New Haven Airport to Illinois?

As of March 2026, there is 1 operator available to choose from for flights from Tweed-New Haven Airport to Illinois.

How old do you have to be to fly from Tweed-New Haven Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tweed-New Haven Airport 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.

$52 Cheap Flights from New Haven to Illinois in 2026

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Find the cheapest flights from New Haven to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

6:35 pm - 10:07 pm

ORD

HVN

2h 32mnonstop

$103Avelo Airlines

Mon, May 11 - Thu, May 14

3:20 pm - 5:05 pm

HVN

ORD

2h 45mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$110Avelo Airlines

Sun, Apr 19 - Fri, Apr 24

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

6:35 pm - 10:07 pm

ORD

HVN

2h 32mnonstop

$111Avelo Airlines

Mon, Apr 27 - Thu, Apr 30

3:50 pm - 5:43 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$113Avelo Airlines

Thu, May 14 - Mon, May 18

3:50 pm - 5:43 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$120Avelo Airlines

Thu, May 14 - Mon, May 18

3:50 pm - 5:43 pm

HVN

ORD

2h 53mnonstop

6:35 pm - 10:07 pm

ORD

HVN

2h 32mnonstop

$123Avelo Airlines

Sun, May 10 - Thu, May 14

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$141Avelo Airlines

Fri, Apr 24 - Fri, May 1

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$150Avelo Airlines

Fri, Apr 24 - Fri, May 1

3:42 pm - 12:21 am

HVN

STL

9h 39m

1 stop

4:19 pm - 12:26 pm

STL

HVN

19h 07m

2 stops

$406Multiple Airlines

Sat, May 16 - Mon, May 25

3:42 pm - 12:21 am

HVN

STL

9h 39m

1 stop

4:19 pm - 2:02 pm

STL

HVN

20h 43m

1 stop

$454Multiple Airlines

Sat, May 16 - Mon, May 25

Avelo Airlines flights from New Haven to Illinois

Our best Avelo Airlines deals on New Haven to Illinois flight tickets

Avelo Airlines

May 11

HVN4:20 pmTweed-New Haven

2h 53m

ORD6:13 pmChicago O'Hare Intl

May 14

ORD6:35 pmChicago O'Hare Intl

2h 32m

HVN10:07 pmTweed-New Haven

$103

Avelo Airlines

Apr 19

HVN3:20 pmTweed-New Haven

2h 45m

ORD5:05 pmChicago O'Hare Intl

Apr 24

ORD7:07 pmChicago O'Hare Intl

2h 32m

HVN10:39 pmTweed-New Haven

$110

Avelo Airlines

Apr 27

HVN4:20 pmTweed-New Haven

2h 53m

ORD6:13 pmChicago O'Hare Intl

Apr 30

ORD6:35 pmChicago O'Hare Intl

2h 32m

HVN10:07 pmTweed-New Haven

$111

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Mon 5/11

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Thu 5/14

6:35 pm-10:07 pm

Nonstop2h 32m

$103

Quickest round-trip

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Sun 4/19

3:20 pm-5:05 pm

Nonstop2h 45m

Chicago O'Hare Intl

Fri 4/24

7:07 pm-10:39 pm

Nonstop2h 32m

$110

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Mon 4/27

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Thu 4/30

6:35 pm-10:07 pm

Nonstop2h 32m

$111

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Thu 5/14

3:50 pm-5:43 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 5/18

7:07 pm-10:39 pm

Nonstop2h 32m

$113

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Thu 5/14

3:50 pm-5:43 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 5/18

7:07 pm-10:39 pm

Nonstop2h 32m

$120

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Sun 5/10

3:50 pm-5:43 pm

Nonstop2h 53m

Chicago O'Hare Intl

Thu 5/14

6:35 pm-10:07 pm

Nonstop2h 32m

$123

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Fri 4/24

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Fri 5/1

7:07 pm-10:39 pm

Nonstop2h 32m

$141

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Fri 4/24

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Fri 5/1

7:07 pm-10:39 pm

Nonstop2h 32m

$150

New HavenSt. Louis

HVN - STL

HVNSTL

Tweed-New Haven

Sat 5/16

3:42 pm-12:21 am

1 stop9h 39m

Lambert-St Louis

Mon 5/25

4:19 pm-12:26 pm

2 stops19h 07m

$406

New HavenSt. Louis

HVN - STL

HVNSTL

Tweed-New Haven

Sat 5/16

3:42 pm-12:21 am

1 stop9h 39m

Lambert-St Louis

Mon 5/25

4:19 pm-2:02 pm

1 stop20h 43m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New Haven 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

Prices

Airlines

Other information

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

The cheapest day to depart from New Haven to Illinois is on a Sunday when prices can be found for as low as $143. Flights from New Haven to Illinois on a Friday will generally be more expensive and average around $188. 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 morning. Flights from New Haven to Illinois during this time can be as low as $158. Flights at noon are often more expensive with an average ticket price of $203.

What is the cheapest Tweed-New Haven to Illinois flight route?

Fly from Tweed-New Haven to Chicago O'Hare Intl for the best Tweed-New Haven - Illinois flight prices

What cabin class options are available on Tweed-New Haven to Illinois flights?

There is only 1 cabin class available to choose from on Tweed-New Haven to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap New Haven to Illinois flight deals and tips

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

Best Price Found	$150
Fastest flight time	2h 45m
Direct flights	Mon, Tue, Fri and Sat
Airports in Illinois	98 airports

The best flight deal from New Haven to Illinois found on momondo in the last 72 hours is $150

The fastest flight from New Haven to Illinois takes 2h 45m

Direct flights go from New Haven to Illinois on Monday, Tuesday, Friday and Saturday. There are no airlines offering direct flights.

There are 98 airports in Illinois. From New Haven there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Tweed-New Haven Airport to Illinois?
Prices for flights from Tweed-New Haven Airport to Illinois refresh daily.
How many operators does momondo search for flights from Tweed-New Haven Airport to Illinois?
As of March 2026, there is 1 operator available to choose from for flights from Tweed-New Haven Airport to Illinois.
How old do you have to be to fly from Tweed-New Haven Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tweed-New Haven Airport 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 Haven to Illinois?
Based on momondo bookings for flights between New Haven and Illinois, the leading plane model is Boeing 737-800, making up 16.82% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 15.89%, Airbus A220-300 with 10.28%, and Embraer 175 (Enhanced Winglets) with 8.41%.

Best airlines flying from New Haven to Illinois

Compare and see reviews for airlines that fly from New Haven to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Avelo Airlines	PriceFrom $76	Free Cancellation	Rating 7.6 88 reviews		Search Avelo Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from New Haven is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Yes. All flights to Illinois from New Haven on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Haven 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 Haven.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from New Haven and alert you when they change.