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Cheap flights from Connecticut to Illinois from $33

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 2/19. 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.
9:18 am - 11:05 amEWR-ORD
2h 47mnonstop
5:15 am - 8:23 amORD-EWR
2h 08mnonstop
$60Spirit Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:18 am - 11:05 amEWR-ORD
2h 47mnonstop
5:15 am - 8:23 amORD-EWR
2h 08mnonstop
$62Spirit Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
10:59 am - 4:16 pmLGA-MDW
6h 17m1 stop
8:12 am - 3:00 pmMDW-LGA
5h 48m1 stop
$98Frontier
Find Deal
Tue, Feb 11 - Wed, Feb 12
10:59 am - 4:16 pmLGA-MDW
6h 17m1 stop
8:12 am - 3:00 pmMDW-LGA
5h 48m1 stop
$100Frontier
Find Deal
Tue, Feb 4 - Wed, Feb 12
6:00 am - 7:35 amLGA-MDW
2h 35mnonstop
6:00 am - 9:10 amMDW-LGA
2h 10mnonstop
$117Southwest
Find Deal
Thu, Feb 6 - Mon, Feb 10
6:00 am - 7:35 amLGA-MDW
2h 35mnonstop
10:35 am - 1:40 pmMDW-LGA
2h 05mnonstop
$131Southwest
Find Deal
Thu, Feb 6 - Thu, Feb 6
7:00 am - 8:46 amEWR-ORD
2h 46mnonstop
6:20 pm - 9:32 pmORD-EWR
2h 12mnonstop
$137American Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 12
1:07 pm - 2:48 pmEWR-ORD
2h 41mnonstop
11:53 am - 3:08 pmORD-EWR
2h 15mnonstop
$138United Airlines
Find Deal
Tue, Feb 11 - Wed, Feb 19
7:00 am - 8:46 amEWR-ORD
2h 46mnonstop
6:20 pm - 9:32 pmORD-EWR
2h 12mnonstop
$142American Airlines
Find Deal
Tue, Feb 4 - Thu, Feb 6
9:25 pm - 10:57 pmEWR-ORD
2h 32mnonstop
12:51 pm - 4:07 pmORD-EWR
2h 16mnonstop
$157United Airlines
Find Deal
Mon, Jan 27 - Wed, Jan 29
9:18 am - 11:05 amEWR-ORD
2h 47mnonstop
$33Spirit Airlines
Find Deal
Wed, Feb 19
9:29 am - 11:16 amEWR-ORD
2h 47mnonstop
$34Spirit Airlines
Find Deal
Tue, Feb 25
6:00 am - 11:32 amJFK-ORD
6h 32m1 stop
$47Frontier
Find Deal
Thu, Apr 24
11:00 am - 5:49 pmJFK-MDW
7h 49m1 stop
$47Frontier
Find Deal
Thu, Apr 24
6:00 am - 7:42 amLGA-ORD
2h 42mnonstop
$59United Airlines
Find Deal
Mon, Jan 20
6:30 am - 8:00 amLGA-MDW
2h 30mnonstop
$59Southwest
Find Deal
Wed, Feb 12
9:00 am - 10:47 amJFK-ORD
2h 47mnonstop
$73American Airlines
Find Deal
Sun, Feb 9
8:25 am - 10:06 amLGA-ORD
2h 41mnonstop
$74United Airlines
Find Deal
Fri, Apr 4
6:30 am - 8:00 amLGA-MDW
2h 30mnonstop
$74Southwest
Find Deal
Fri, Feb 28
6:00 am - 7:50 amLGA-ORD
2h 50mnonstop
$89American Airlines
Find Deal
Mon, Jan 20
9:15 pm - 10:55 pmLGA-ORD
2h 40mnonstop
5:06 pm - 8:10 pmORD-LGA
2h 04mnonstop
$76Spirit Airlines
Find Deal
Sat, Jan 18 - Sat, Jan 25
9:15 pm - 10:55 pmLGA-ORD
2h 40mnonstop
7:00 am - 10:04 amORD-LGA
2h 04mnonstop
$88Spirit Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 20
7:20 am - 9:02 amLGA-ORD
2h 42mnonstop
6:00 am - 9:10 amORD-LGA
2h 10mnonstop
$117United Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 20
3:50 pm - 5:38 pmJFK-ORD
2h 48mnonstop
11:40 am - 2:55 pmORD-JFK
2h 15mnonstop
$118American Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
6:00 am - 7:50 amLGA-ORD
2h 50mnonstop
6:13 am - 9:23 amORD-LGA
2h 10mnonstop
$118American Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 20
6:00 am - 9:44 amLGA-ORD
4h 44m1 stop
6:00 am - 9:10 amORD-LGA
2h 10mnonstop
$157United Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
5:00 pm - 11:31 pmLGA-STL
7h 31m1 stop
5:05 pm - 10:00 amSTL-LGA
15h 55m1 stop
$202Frontier
Find Deal
Sat, Jan 18 - Tue, Jan 21
11:04 am - 12:09 pmJFK-MDW
26h 05m1 stop
7:15 am - 10:05 amMDW-JFK
25h 50m1 stop
$214Frontier
Find Deal
Thu, Jan 16 - Mon, Jan 20
9:30 pm - 11:00 pmLGA-MDW
2h 30mnonstop
8:05 pm - 11:10 pmMDW-LGA
2h 05mnonstop
$302Southwest
Find Deal
Fri, Jan 17 - Fri, Jan 31
6:30 am - 8:00 amLGA-MDW
2h 30mnonstop
6:00 am - 9:10 amMDW-LGA
2h 10mnonstop
$329Southwest
Find Deal
Sun, Jan 19 - Thu, Jan 23
9:18 am - 11:05 amEWR-ORD
2h 47mnonstop
5:15 am - 8:23 amORD-EWR
2h 08mnonstop
$60Spirit Airlines
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:18 am - 11:05 amEWR-ORD
2h 47mnonstop
5:15 am - 8:24 amORD-EWR
2h 09mnonstop
$62Spirit Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 25
6:00 am - 7:35 amLGA-MDW
2h 35mnonstop
6:00 am - 9:10 amMDW-LGA
2h 10mnonstop
$117Southwest
Find Deal
Thu, Feb 6 - Mon, Feb 10
10:15 am - 12:01 pmJFK-ORD
2h 46mnonstop
6:30 pm - 10:02 pmORD-JFK
2h 32mnonstop
$117Delta
Find Deal
Thu, Feb 6 - Thu, Feb 6
8:59 am - 11:05 amJFK-ORD
3h 06mnonstop
5:10 pm - 8:30 pmORD-JFK
2h 20mnonstop
$119American Airlines
Find Deal
Tue, Apr 8 - Tue, Apr 8
8:00 am - 9:55 amJFK-ORD
2h 55mnonstop
6:30 pm - 10:02 pmORD-JFK
2h 32mnonstop
$126Delta
Find Deal
Mon, Feb 3 - Thu, Feb 6
6:30 am - 8:00 amLGA-MDW
2h 30mnonstop
10:25 am - 1:30 pmMDW-LGA
2h 05mnonstop
$131Southwest
Find Deal
Wed, Jan 29 - Wed, Jan 29
7:01 am - 8:43 amLGA-ORD
2h 42mnonstop
4:59 pm - 8:04 pmORD-LGA
2h 05mnonstop
$132American Airlines
Find Deal
Thu, Apr 3 - Sat, Apr 5
10:25 am - 12:05 pmLGA-ORD
2h 40mnonstop
4:00 pm - 7:15 pmORD-LGA
2h 15mnonstop
$137United Airlines
Find Deal
Wed, Apr 9 - Sat, Apr 12
1:07 pm - 2:48 pmEWR-ORD
2h 41mnonstop
11:53 am - 3:08 pmORD-EWR
2h 15mnonstop
$138United Airlines
Find Deal
Tue, Feb 11 - Wed, Feb 19

Spirit Airlines flights from Connecticut to Illinois

Our best Spirit Airlines deals on Connecticut to Illinois flight tickets
Spirit Airlines
Feb 12
EWR9:18 amNewark
2h 47m
ORD11:05 amChicago O'Hare Intl
Feb 19
ORD5:15 amChicago O'Hare Intl
2h 08m
EWR8:23 amNewark
Spirit Airlines
Feb 12
EWR9:18 amNewark
2h 47m
ORD11:05 amChicago O'Hare Intl
Feb 19
ORD5:15 amChicago O'Hare Intl
2h 08m
EWR8:23 amNewark
Spirit Airlines
Feb 18
EWR9:29 amNewark
2h 47m
ORD11:16 amChicago O'Hare Intl
Feb 19
ORD5:15 amChicago O'Hare Intl
2h 08m
EWR8:23 amNewark

American Airlines flights from Connecticut to Illinois

Our best American Airlines deals on Connecticut to Illinois flight tickets
American Airlines
Jan 23
LGA12:00 pmNew York LaGuardia
2h 45m
ORD1:45 pmChicago O'Hare Intl
Jan 27
ORD2:49 pmChicago O'Hare Intl
2h 10m
LGA5:59 pmNew York LaGuardia
American Airlines
Feb 4
EWR7:00 amNewark
2h 46m
ORD8:46 amChicago O'Hare Intl
Feb 12
ORD6:20 pmChicago O'Hare Intl
2h 12m
EWR9:32 pmNewark
American Airlines
Feb 4
EWR7:00 amNewark
2h 46m
ORD8:46 amChicago O'Hare Intl
Feb 6
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 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 $332. Flights from Connecticut to Illinois on a Monday will generally be more expensive and average around $398. 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 $374.

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.

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

$33

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Connecticut in the past 72 hours is $33. The best round-trip flight deal from Connecticut to Illinois found on momondo in the last 72 hours is $60.
The fastest flight from Connecticut to Illinois takes 2h 15m
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
6.0
3,431 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
8,090 reviews
Search Spirit Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
8,961 reviews
Search United Airlines flights
SouthwestPriceFrom $232Free CancellationRating
8.1
4,659 reviews
Search Southwest 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 flights according to clicks in the last 7 days on momondo