Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from New Haven to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap direct flights
Avelo Airlines flights from New Haven to Illinois
Our best Avelo Airlines deals on New Haven to Illinois flight tickets
Breeze Airways flights from New Haven to Illinois
Our best Breeze Airways deals on New Haven to Illinois flight tickets
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 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 $132. Flights from New Haven to Illinois on a Thursday will generally be more expensive and average around $258. 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 Haven to Illinois during this time can be as low as $178. Flights in the evening are often more expensive with an average ticket price of $290.
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 are 1 cabin classes 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.
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 48% 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.
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
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 April 2025, 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 737-700, making up 17.14% of the total bookings. Other popular models include Boeing 737-800 with 14.29%, Boeing 737-800 Passenger/BBJ2 (winglets) with 11.43%, and Boeing 737 MAX 8 with 8.57%.
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.