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Fly from
Fly to
Route
Depart
Return
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Mon 11/2
4:45 pm-6:28 pm
Nonstop2h 43m
Chicago O'Hare Intl
Mon 11/9
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Mon 11/2
4:45 pm-6:28 pm
Nonstop2h 43m
Chicago O'Hare Intl
Mon 11/9
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Thu 10/29
5:15 pm-6:54 pm
Nonstop2h 39m
Chicago O'Hare Intl
Thu 11/5
7:09 pm-10:29 pm
Nonstop2h 20m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Mon 10/19
4:45 pm-6:28 pm
Nonstop2h 43m
Chicago O'Hare Intl
Fri 10/23
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Sun 11/8
4:45 pm-6:24 pm
Nonstop2h 39m
Chicago O'Hare Intl
Mon 11/9
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Fri 11/6
4:45 pm-6:28 pm
Nonstop2h 43m
Chicago O'Hare Intl
Mon 11/9
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Wed 10/28
2:40 pm-4:33 pm
Nonstop2h 53m
Chicago O'Hare Intl
Tue 11/3
7:35 pm-12:53 pm
1 stop16h 18m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Thu 11/5
4:45 pm-6:24 pm
Nonstop2h 39m
Chicago O'Hare Intl
Mon 11/9
7:17 pm-10:39 pm
Nonstop2h 22m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Wed 10/28
2:40 pm-4:33 pm
Nonstop2h 53m
Chicago O'Hare Intl
Tue 11/3
7:35 pm-1:54 pm
2 stops17h 19m
New HavenChicago
HVN Tweed-New Haven - ORD Chicago O'Hare Intl
HVNORD
Tweed-New Haven
Thu 12/24
4:15 pm-6:08 pm
Nonstop2h 53m
Chicago O'Hare Intl
Sun 1/3
7:13 pm-10:36 pm
Nonstop2h 23m
See travel insights to Illinois from
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
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from New Haven is in January. Flight prices, which tend to average around $77, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $103.
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 $161. Flights from New Haven to Illinois on a Wednesday will generally be more expensive and average around $235. 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
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 40% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
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
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 October 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 26.09% of the total bookings. Other popular models include Boeing 737-800 with 18.18%, Airbus A220-300 with 13.44%, and Boeing 737 MAX 8 with 10.67%.
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.