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$44+ Cheap flights from Illinois to Connecticut

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BDL
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Illinois to Connecticut

Cheapest flights from Illinois to Connecticut
Explore the most affordable flight options available from Illinois to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:31 am
ORD
-
JFK
Nonstop2h 29m
Frontier
Thu 4/2311:04 am
JFK
-
ORD
Nonstop2h 56m
Frontier
Deal found 2/16$76
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:31 am
ORD
-
JFK
Nonstop2h 29m
Frontier
Wed 4/2211:04 am
JFK
-
ORD
Nonstop2h 56m
Frontier
Deal found 2/16$77
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:31 pm
ORD
-
LGA
Nonstop2h 05m
Spirit Airlines
Sat 4/116:30 am
LGA
-
ORD
Nonstop2h 31m
Spirit Airlines
Deal found 2/18$78
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:31 am
ORD
-
JFK
Nonstop2h 29m
Frontier
Sat 4/1811:04 am
JFK
-
ORD
Nonstop2h 56m
Frontier
Deal found 2/17$78
This Flightnetwork deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:31 pm
ORD
-
LGA
Nonstop2h 05m
Spirit Airlines
Tue 3/248:42 am
LGA
-
ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/17$79
This Super.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:05 pm
ORD
-
JFK
Nonstop2h 24m
Frontier
Tue 3/244:29 pm
JFK
-
ORD
Nonstop3h 00m
Frontier
Deal found 2/17$79
This Super.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:31 pm
ORD
-
LGA
Nonstop2h 05m
Spirit Airlines
Wed 4/86:30 am
LGA
-
ORD
Nonstop2h 31m
Spirit Airlines
Deal found 2/18$80
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:05 pm
ORD
-
JFK
Nonstop2h 24m
Frontier
Wed 3/184:29 pm
JFK
-
ORD
Nonstop3h 00m
Frontier
Deal found 2/19$80
This Super.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:58 pm
ORD
-
LGA
Nonstop2h 01m
Spirit Airlines
Sun 3/87:40 am
LGA
-
ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/15$81
This Super.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:05 pm
ORD
-
JFK
Nonstop2h 24m
Frontier
Mon 3/234:29 pm
JFK
-
ORD
Nonstop3h 00m
Frontier
Deal found 2/16$81
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:58 am
ORD
-
LGA
Nonstop2h 06m
Spirit Airlines
Sat 5/212:59 pm
LGA
-
ORD
Nonstop2h 37m
Spirit Airlines
Deal found 2/18$82
This Priceline deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:05 pm
ORD
-
JFK
Nonstop2h 24m
Frontier
Wed 3/184:29 pm
JFK
-
ORD
Nonstop3h 00m
Frontier
Deal found 2/15$82

Find flight deals from Illinois to Connecticut

Keep the following information in mind while searching for Illinois to Connecticut flight deals. Data was last updated February 19, 2026.

Round-trip from

$76
(Frontier)

One-way from

$44
(Spirit)

Popular in

February

Cheapest in

August

Average price

$413

Good round-trip deal

$111 or less

Good one-way deal

$180 or less
From Illinois to Connecticut
Search Deals
One-way flight from Illinois to Connecticut
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Connecticut.
Search Deals
Price to beat on a one-way flight from Illinois to Connecticut.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Connecticut that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Illinois to Connecticut that are best for you.

Fly from

Illinois

Fly to

Connecticut

Route

Depart

Return

Price

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Thu 4/23

6:00 am-9:10 am

Nonstop2h 10m

Newark

Sun 4/26

7:10 am-9:00 am

Nonstop2h 50m

$99

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Fri 5/8

9:55 pm-1:15 am

Nonstop2h 20m

Newark

Wed 5/13

7:30 am-9:14 am

Nonstop2h 44m

$99

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Sat 3/21

6:01 pm-9:09 pm

Nonstop2h 08m

Newark

Mon 3/23

10:54 pm-12:22 am

Nonstop2h 28m

$103

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Wed 5/13

7:06 am-2:53 pm

1 stop6h 47m

Newark

Sun 5/17

9:29 pm-11:05 pm

Nonstop2h 36m

$107

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Fri 4/3

7:41 pm-11:05 pm

Nonstop2h 24m

Newark

Mon 4/6

9:50 pm-11:37 pm

Nonstop2h 47m

$110

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Fri 3/20

6:01 pm-9:09 pm

Nonstop2h 08m

Newark

Mon 3/23

10:54 pm-12:22 am

Nonstop2h 28m

$118

ChicagoNew York

MDW - LGA

MDWLGA

Chicago Midway

Sat 4/25

6:05 pm-9:10 pm

Nonstop2h 05m

New York LaGuardia

Tue 4/28

6:00 am-7:25 am

Nonstop2h 25m

$119

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Tue 3/17

6:10 pm-9:09 am

1 stop13h 59m

Newark

Sun 3/22

10:54 pm-12:22 am

Nonstop2h 28m

$127

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Wed 5/6

7:06 am-7:04 pm

1 stop10h 58m

New York LaGuardia

Wed 5/13

4:37 pm-12:14 am

1 stop8h 37m

$136

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Thu 4/23

5:09 pm-8:24 pm

Nonstop2h 15m

Newark

Sun 4/26

1:45 pm-11:10 pm

1 stop10h 25m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Connecticut

What is the cheapest month to book a flight from Illinois to Connecticut?

Currently, September is the cheapest month in which you can book a flight from Illinois to Connecticut (average of $23). Flying from Illinois to Connecticut in February is currently the most expensive (average of $215). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to CT?

Find hourly flight availability from Illinois to Connecticut. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 19, 2026.

One of the essential ways to save on airfare from Illinois to Connecticut is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Illinois to Connecticut?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Connecticut. Price data was last updated on February 17, 2026.

Travelers seeking maximum savings on their Illinois to Connecticut flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Connecticut

Explore weekly flight availability from Illinois to Connecticut. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 19, 2026.

The most flights from USIL to USCT are scheduled on a Thursday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Connecticut

Get insights into the airlines that provide service to Connecticut. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Connecticut. Reviews last updated February 19, 2026.
Read reviews from past customers who have flown Southwest, Avelo Airlines, and United Airlines from Illinois to Connecticut. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Avelo Airlines
7.6
Good
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,325 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,321 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Illinois to Connecticut. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Connecticut?

    A quick flight from Illinois to Connecticut can take about 2h 05m. United Airlines provides one of the quickest options available for as low as $119. The distance from Illinois to Connecticut is about 722 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Illinois to Connecticut one-way?

    To fly one-way, consider booking your trip with Avelo Airlines, which is currently one of the cheapest options available, starting at $37. Frontier flights start at $52 while deals on Southwest start at $68 one-way.

  • Can I find deals for flights from Illinois to Connecticut that include hotel bookings?

    Yes. In addition to deals on Illinois to Connecticut flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Connecticut?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Connecticut.

  • Can I find deals for business class flights from Illinois to Connecticut?

    Yes. Cheapflights offers flight deals from Illinois to Connecticut by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Connecticut?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Connecticut (average of $23). Flying from Illinois to Connecticut in February is currently the most expensive (average of $215). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Connecticut

Discover the top 4 airlines that operate flights from Illinois to Connecticut. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$78Average$135FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$375FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$197Average$329FlexibilityNo cancel feeOn-time63%

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