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

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

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

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 44% 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.

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 May 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.

$58 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.

3:50 pm - 5:43 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$124Avelo Airlines

Sun, May 31 - Fri, Jun 12

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

6:48 pm - 10:19 pm

ORD

HVN

2h 31mnonstop

$132Avelo Airlines

Mon, Jun 15 - Fri, Jun 19

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

6:48 pm - 10:19 pm

ORD

HVN

2h 31mnonstop

$134Avelo Airlines

Mon, Jun 15 - Fri, Jun 19

4:20 pm - 6:13 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$136Avelo Airlines

Fri, May 29 - Mon, Jun 1

3:45 pm - 5:38 pm

HVN

ORD

2h 53mnonstop

6:27 pm - 9:59 pm

ORD

HVN

2h 32mnonstop

$148Avelo Airlines

Sun, Jul 19 - Thu, Jul 30

4:10 pm - 6:03 pm

HVN

ORD

2h 53mnonstop

6:27 pm - 9:59 pm

ORD

HVN

2h 32mnonstop

$155Avelo Airlines

Mon, Aug 17 - Thu, Aug 20

3:50 pm - 5:43 pm

HVN

ORD

2h 53mnonstop

7:07 pm - 10:39 pm

ORD

HVN

2h 32mnonstop

$158Avelo Airlines

Thu, May 28 - Mon, Jun 1

4:10 pm - 6:03 pm

HVN

ORD

2h 53mnonstop

6:48 pm - 10:19 pm

ORD

HVN

2h 31mnonstop

$163Avelo Airlines

Fri, Jun 26 - Mon, Jun 29

6:31 pm - 8:47 am

HVN

STL

39h 16m

2 stops

4:17 pm - 2:02 pm

STL

HVN

20h 45m

1 stop

$269Multiple Airlines

Mon, Jun 8 - Mon, Jun 15

8:36 pm - 10:29 am

HVN

STL

14h 53m

1 stop

6:33 pm - 2:57 pm

STL

HVN

19h 24m

2 stops

$283Multiple Airlines

Sun, May 31 - Tue, Jun 2

Avelo Airlines flights from New Haven to Illinois

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

Avelo Airlines

May 31

HVN3:50 pmTweed-New Haven

2h 53m

ORD5:43 pmChicago O'Hare Intl

Jun 12

ORD7:07 pmChicago O'Hare Intl

2h 32m

HVN10:39 pmTweed-New Haven

$124

Avelo Airlines

Jun 15

HVN4:20 pmTweed-New Haven

2h 53m

ORD6:13 pmChicago O'Hare Intl

Jun 19

ORD6:48 pmChicago O'Hare Intl

2h 31m

HVN10:19 pmTweed-New Haven

$132

Avelo Airlines

Jun 15

HVN4:20 pmTweed-New Haven

2h 53m

ORD6:13 pmChicago O'Hare Intl

Jun 19

ORD6:48 pmChicago O'Hare Intl

2h 31m

HVN10:19 pmTweed-New Haven

$134

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Sun 5/31

3:50 pm-5:43 pm

Nonstop2h 53m

Chicago O'Hare Intl

Fri 6/12

7:07 pm-10:39 pm

Nonstop2h 32m

$124

Quickest round-trip

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Mon 6/15

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Fri 6/19

6:48 pm-10:19 pm

Nonstop2h 31m

$132

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Mon 6/15

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Fri 6/19

6:48 pm-10:19 pm

Nonstop2h 31m

$134

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Fri 5/29

4:20 pm-6:13 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 6/1

7:07 pm-10:39 pm

Nonstop2h 32m

$136

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Sun 7/19

3:45 pm-5:38 pm

Nonstop2h 53m

Chicago O'Hare Intl

Thu 7/30

6:27 pm-9:59 pm

Nonstop2h 32m

$148

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Mon 8/17

4:10 pm-6:03 pm

Nonstop2h 53m

Chicago O'Hare Intl

Thu 8/20

6:27 pm-9:59 pm

Nonstop2h 32m

$155

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Thu 5/28

3:50 pm-5:43 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 6/1

7:07 pm-10:39 pm

Nonstop2h 32m

$158

New HavenChicago

HVN - ORD

HVNORD

Tweed-New Haven

Fri 6/26

4:10 pm-6:03 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 6/29

6:48 pm-10:19 pm

Nonstop2h 31m

$163

New HavenSt. Louis

HVN - STL

HVNSTL

Tweed-New Haven

Mon 6/8

6:31 pm-8:47 am

2 stops39h 16m

Lambert-St Louis

Mon 6/15

4:17 pm-2:02 pm

1 stop20h 45m

$269

New HavenSt. Louis

HVN - STL

HVNSTL

Tweed-New Haven

Sun 5/31

8:36 pm-10:29 am

1 stop14h 53m

Lambert-St Louis

Tue 6/2

6:33 pm-2:57 pm

2 stops19h 24m

$283

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 month to fly to Illinois?

The cheapest month to fly to Illinois from New Haven is in September. Flight prices, which tend to average around $51, 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 November is also cheap. Prices for this month can be found on momondo for an average of $55.

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 Monday when prices can be found for as low as $158. Flights from New Haven to Illinois on a Sunday will generally be more expensive and average around $198. 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 $226.

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

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	$132
Fastest flight time	2h 43m
Direct flights	Mon, Tue, Fri and Sat
Airports in Illinois	98 airports

The best one-way flight to Illinois from New Haven in the past 72 hours is $132. The best round-trip flight deal from New Haven to Illinois found on momondo in the last 72 hours is $175.

The fastest flight from New Haven to Illinois takes 2h 43m

Direct flights go from New Haven to Illinois on Monday, Tuesday, Friday and Saturday. The only airline offering direct flights is Avelo Airlines.

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

Search flight deals

Frequently asked questions about flying from New Haven to Illinois

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 May 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 Passenger/BBJ2 (winglets), making up 22.80% of the total bookings. Other popular models include Boeing 737-800 with 19.17%, Airbus A220-300 with 12.44%, and Boeing 737 MAX 8 with 7.77%.

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 $77	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.