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Cheap flights from Connecticut to Illinois from $37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Illinois departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Connecticut to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Connecticut to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Connecticut to Illinois.

Cheap last minute flights

Planning a quick getaway from Connecticut to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Connecticut to Illinois

Find recent round-trip train or bus tickets from Connecticut to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
10:55 pm - 12:34 amEWR-ORD
2h 39mnonstop
6:37 pm - 9:55 pmORD-EWR
2h 18mnonstop
$81Spirit Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
8:36 am - 10:17 amLGA-ORD
2h 41mnonstop
4:19 pm - 7:24 pmORD-LGA
2h 05mnonstop
$86Spirit Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
10:00 pm - 9:04 amLGA-ORD
12h 04m1 stop
2:59 pm - 10:00 pmORD-LGA
6h 01m1 stop
$100Frontier
Find Deal
Sat, Jan 25 - Tue, Jan 28
10:59 am - 4:16 pmLGA-MDW
6h 17m1 stop
8:07 am - 3:00 pmMDW-LGA
5h 53m1 stop
$100Frontier
Find Deal
Tue, Feb 11 - Tue, Feb 18
8:35 am - 10:07 amLGA-ORD
2h 32mnonstop
3:00 pm - 10:00 pmORD-LGA
6h 00m1 stop
Tue, Jan 7 - Tue, Jan 7
9:05 pm - 10:43 pmLGA-ORD
2h 38mnonstop
3:00 pm - 10:00 pmORD-LGA
6h 00m1 stop
Tue, Jan 7 - Tue, Jan 14
9:25 pm - 10:57 pmEWR-ORD
2h 32mnonstop
12:51 pm - 4:07 pmORD-EWR
2h 16mnonstop
$147United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
2:55 pm - 4:45 pmJFK-ORD
2h 50mnonstop
11:44 am - 2:59 pmORD-JFK
2h 15mnonstop
$152JetBlue
Find Deal
Sat, Feb 22 - Wed, Feb 26
9:15 am - 10:59 amJFK-ORD
2h 44mnonstop
11:35 am - 2:50 pmORD-JFK
2h 15mnonstop
$157JetBlue
Find Deal
Mon, Mar 3 - Sat, Mar 8
4:00 pm - 7:23 pmEWR-ORD
4h 23m1 stop
9:45 pm - 12:58 amORD-EWR
2h 13mnonstop
$157United Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
9:15 pm - 10:55 pmLGA-ORD
2h 40mnonstop
$37Spirit Airlines
Find Deal
Tue, Feb 4
10:55 pm - 12:34 amEWR-ORD
2h 39mnonstop
$43Spirit Airlines
Find Deal
Wed, Dec 11
11:01 am - 4:56 pmJFK-ORD
6h 55m1 stop
$49Frontier
Find Deal
Wed, Feb 12
11:00 am - 4:14 pmJFK-MDW
6h 14m1 stop
$49Frontier
Find Deal
Tue, Jan 7
3:28 pm - 5:18 pmJFK-ORD
2h 50mnonstop
$74JetBlue
Find Deal
Mon, Jan 13
3:20 pm - 5:01 pmLGA-ORD
2h 41mnonstop
$74United Airlines
Find Deal
Thu, Jan 9
7:00 am - 8:46 amEWR-ORD
2h 46mnonstop
$74American Airlines
Find Deal
Wed, Jan 15
2:55 pm - 4:45 pmJFK-ORD
2h 50mnonstop
$79JetBlue
Find Deal
Sat, Feb 22
10:27 am - 2:34 pmLGA-ORD
5h 07m1 stop
$83United Airlines
Find Deal
Mon, Jan 20
8:01 pm - 9:56 pmLGA-ORD
2h 55mnonstop
$94American Airlines
Find Deal
Sat, Apr 5
8:29 pm - 10:06 pmLGA-ORD
2h 37mnonstop
4:19 pm - 7:24 pmORD-LGA
2h 05mnonstop
$211Spirit Airlines
Find Deal
Mon, Dec 2 - Wed, Dec 11
8:35 am - 10:05 amLGA-ORD
2h 30mnonstop
4:19 pm - 7:24 pmORD-LGA
2h 05mnonstop
$220Spirit Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 6
9:00 am - 11:00 amJFK-ORD
3h 00mnonstop
4:47 pm - 8:00 pmORD-JFK
2h 13mnonstop
$287American Airlines
Find Deal
Mon, Dec 2 - Sat, Dec 14
9:00 am - 11:00 amJFK-ORD
3h 00mnonstop
1:54 pm - 9:59 pmORD-JFK
7h 05m1 stop
$295American Airlines
Find Deal
Mon, Dec 2 - Sat, Dec 14
10:00 pm - 8:39 amLGA-MDW
11h 39m1 stop
7:15 am - 10:00 pmMDW-LGA
13h 45m1 stop
$318Frontier
Find Deal
Mon, Dec 2 - Thu, Dec 5
2:55 pm - 7:48 amBDL-ORD
17h 53m2 stops
10:55 am - 2:07 pmORD-BDL
2h 12mnonstop
$318United Airlines
Find Deal
Thu, Nov 28 - Fri, Nov 29
9:29 pm - 11:00 pmEWR-ORD
2h 31mnonstop
9:35 pm - 12:43 amORD-EWR
2h 08mnonstop
$330United Airlines
Find Deal
Mon, Dec 2 - Thu, Dec 5
12:27 pm - 8:11 pmLGA-ORD
8h 44m1 stop
7:25 am - 10:00 pmORD-LGA
13h 35m1 stop
$379Frontier
Find Deal
Thu, Nov 28 - Thu, Dec 5
7:12 am - 9:01 amJFK-ORD
2h 49mnonstop
10:15 am - 1:33 pmORD-JFK
2h 18mnonstop
$400JetBlue
Find Deal
Thu, Nov 28 - Wed, Dec 4
7:12 am - 9:01 amJFK-ORD
2h 49mnonstop
10:14 am - 1:30 pmORD-JFK
2h 16mnonstop
$405JetBlue
Find Deal
Mon, Dec 2 - Wed, Dec 11
10:55 pm - 12:34 amEWR-ORD
2h 39mnonstop
6:37 pm - 9:55 pmORD-EWR
2h 18mnonstop
$81Spirit Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
8:36 am - 10:17 amLGA-ORD
2h 41mnonstop
4:19 pm - 7:24 pmORD-LGA
2h 05mnonstop
$86Spirit Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
7:00 am - 8:46 amEWR-ORD
2h 46mnonstop
8:40 am - 11:56 amORD-EWR
2h 16mnonstop
$139American Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
3:00 pm - 4:40 pmEWR-ORD
2h 40mnonstop
2:50 pm - 5:58 pmORD-EWR
2h 08mnonstop
$141American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
9:25 pm - 10:57 pmEWR-ORD
2h 32mnonstop
12:51 pm - 4:07 pmORD-EWR
2h 16mnonstop
$147United Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
11:30 am - 1:23 pmJFK-ORD
2h 53mnonstop
7:05 am - 10:31 amORD-JFK
2h 26mnonstop
$147Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
4:45 pm - 6:41 pmLGA-ORD
2h 56mnonstop
7:40 pm - 11:00 pmORD-LGA
2h 20mnonstop
$147Delta
Find Deal
Fri, Jan 10 - Wed, Jan 15
2:55 pm - 4:45 pmJFK-ORD
2h 50mnonstop
11:44 am - 2:59 pmORD-JFK
2h 15mnonstop
$152JetBlue
Find Deal
Sat, Feb 22 - Wed, Feb 26
9:15 am - 10:59 amJFK-ORD
2h 44mnonstop
11:35 am - 2:50 pmORD-JFK
2h 15mnonstop
$157JetBlue
Find Deal
Mon, Mar 3 - Sat, Mar 8
9:15 pm - 10:54 pmLGA-ORD
2h 39mnonstop
2:00 pm - 5:12 pmORD-LGA
2h 12mnonstop
$168United Airlines
Find Deal
Mon, Jan 6 - Thu, Jan 23

Frontier flights from Connecticut to Illinois

Our best Frontier deals on Connecticut to Illinois flight tickets
Frontier
Jan 25
LGA10:00 pmNew York LaGuardia
12h 04m
1 stop
ORD9:04 amChicago O'Hare Intl
Jan 28
ORD2:59 pmChicago O'Hare Intl
6h 01m
1 stop
LGA10:00 pmNew York LaGuardia
Frontier
Dec 12
LGA10:59 amNew York LaGuardia
7h 19m
1 stop
MDW5:18 pmChicago Midway
Dec 17
MDW7:35 amChicago Midway
7h 54m
1 stop
LGA4:29 pmNew York LaGuardia
Frontier
Jan 11
JFK3:00 pmNew York John F Kennedy Intl
19h 54m
1 stop
ORD9:54 amChicago O'Hare Intl
Jan 13
ORD3:25 pmChicago O'Hare Intl
17h 38m
1 stop
JFK10:03 amNew York John F Kennedy Intl

American Airlines flights from Connecticut to Illinois

Our best American Airlines deals on Connecticut to Illinois flight tickets
American Airlines
Jan 18
EWR7:00 amNewark
2h 46m
ORD8:46 amChicago O'Hare Intl
Jan 21
ORD8:40 amChicago O'Hare Intl
2h 16m
EWR11:56 amNewark
American Airlines
Jan 21
EWR3:00 pmNewark
2h 40m
ORD4:40 pmChicago O'Hare Intl
Jan 28
ORD2:50 pmChicago O'Hare Intl
2h 08m
EWR5:58 pmNewark
American Airlines
Jan 10
EWR7:00 amNewark
2h 46m
ORD8:46 amChicago O'Hare Intl
Jan 15
ORD6:20 pmChicago O'Hare Intl
2h 12m
EWR9:32 pmNewark

See travel insights to Illinois from

How to get the cheapest flight ticket from Connecticut 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 Connecticut is in September. Flight prices, which tend to average around $316, 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 August is also cheap. Prices for this month can be found on momondo for an average of $318.

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

The cheapest day to depart from Connecticut to Illinois is on a Saturday when prices can be found for as low as $329. Flights from Connecticut to Illinois on a Monday will generally be more expensive and average around $396. 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 at noon. Flights from Connecticut to Illinois during this time can be as low as $274. Flights in the afternoon are often more expensive with an average ticket price of $370.

What is the cheapest Connecticut to Illinois flight route?

Fly from Tweed-New Haven to Chicago Midway for the best Connecticut - Illinois flight prices

What cabin class options are available on Connecticut to Illinois flights?

There are 4 cabin classes available to choose from on Connecticut 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 Connecticut to Illinois flights?

You could potentially save up to 32% on your flight if you consider stops on a Connecticut to Illinois flight.

Cheap Connecticut to Illinois flight deals and tips

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

Best Price Found

$37

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Connecticut in the past 72 hours is $37. The best round-trip flight deal from Connecticut to Illinois found on momondo in the last 72 hours is $81.
The fastest flight from Connecticut to Illinois takes 2h 25m
Direct flights go from Connecticut to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

    Prices for flights from Connecticut to Illinois were last updated today.

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

  • How old do you have to be to fly from Connecticut 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 Connecticut to Illinois.

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

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Best airlines flying from Connecticut to Illinois

Compare and see reviews for airlines that fly from Connecticut to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Avelo AirlinesPriceFrom $77Free CancellationRating
7.5
74 reviews
Search Avelo Airlines flights
FrontierPriceFrom $108Free CancellationRating
6.1
3,523 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,172 reviews
Search Spirit Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,730 reviews
Search Delta flights
SouthwestPriceFrom $190Free CancellationRating
8.1
4,979 reviews
Search Southwest flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,146 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Connecticut to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

All flight searches from Connecticut to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Connecticut to Illinois?

Once all potential Connecticut to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Connecticut 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 Connecticut and alert you when they change.


An easier way to manage your Illinois trip

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Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo