$46+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BDL
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Illinois to Connecticut with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to ConnecticutExplore 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 5, 2026.
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 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Tue 5/129:04 am
ORD
- LGA
Nonstop2h 00m
Spirit Airlines
Tue 5/1912:59 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$77
This Frontier deal was found by Cheapflights users on 2/3. 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 3/1212:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Tue 3/174:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/45:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Sun 3/158:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$78
This Frontier deal was found by Cheapflights users on 2/3. 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 3/1712:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Mon 3/234:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/4. 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
Mon 4/2711:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Deal found 2/4![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 2/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Thu 2/267:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/4. 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
Fri 4/2411:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Deal found 2/4![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Sat 2/287:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$81
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Wed 5/1311:04 am
JFK
- ORD
Nonstop2h 56m
Frontier
Deal found 2/3![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sat 3/75:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Thu 3/128:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$82
This Frontier deal was found by Cheapflights users on 2/2. 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.
Fri 3/612:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Mon 3/94:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/2![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 4/47:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Wed 5/612:59 pm
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$83
Best flights from Illinois to ConnecticutDiscover carefully curated flight deals from Illinois to Connecticut that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Illinois to Connecticut that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Spirit deal was found by Cheapflights users on 2/4. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:51 pm
ORD
- EWR
Nonstop2h 09m
Spirit Airlines
Sun 3/111:05 pm
EWR
- ORD
Nonstop2h 35m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:10 am
ORD
- LGA
Nonstop2h 16m
Delta
Sun 4/197:30 am
LGA
- ORD
Nonstop2h 53m
Delta
Deal found 2/2![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:30 pm
ORD
- LGA
Nonstop2h 23m
United Airlines
Mon 4/277:10 am
LGA
- ORD
Nonstop2h 39m
United Airlines
Deal found 2/4![United Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:50 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Mon 4/279:45 pm
LGA
- MDW
Nonstop2h 25m
Southwest
Deal found 2/4![Southwest logo]()
$137
This Frontier deal was found by Cheapflights users on 2/5. 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 2/265:16 pm
MDW
- JFK
1 stop6h 47m
Frontier
Mon 3/21:00 pm
JFK
- MDW
1 stop7h 47m
Frontier
Deal found 2/5![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sat 3/76:00 am
MDW
- EWR
1 stop14h 48m
Multiple Airlines
Sat 3/142:00 pm
EWR
- MDW
2 stops9h 09m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$172
This Spirit deal was found by Cheapflights users on 2/1. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:47 pm
ORD
- EWR
Nonstop2h 08m
Spirit Airlines
Sun 4/199:05 pm
EWR
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:29 am
ORD
- LGA
Nonstop2h 15m
Delta
Fri 4/108:25 pm
LGA
- ORD
Nonstop2h 47m
Delta
Deal found 2/3![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:30 pm
ORD
- LGA
Nonstop2h 23m
United Airlines
Mon 4/209:15 pm
LGA
- ORD
Nonstop2h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:05 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Wed 4/229:30 pm
LGA
- MDW
Nonstop2h 30m
Southwest
Deal found 2/2![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
ORD
- LGA
Nonstop2h 14m
Delta
Tue 5/59:10 am
LGA
- ORD
Nonstop2h 53m
Delta
Deal found 2/3![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:00 pm
ORD
- LGA
Nonstop2h 19m
United Airlines
Mon 5/119:15 pm
LGA
- ORD
Nonstop2h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:05 am
MDW
- LGA
Nonstop2h 05m
Southwest
Fri 3/67:15 am
LGA
- MDW
Nonstop2h 35m
Southwest
Deal found 2/2![Southwest logo]()
$143
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
ORD
- LGA
Nonstop2h 14m
Delta
Mon 5/115:10 pm
LGA
- ORD
Nonstop2h 59m
Delta
Deal found 2/3![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 am
ORD
- EWR
Nonstop2h 20m
United Airlines
Mon 4/209:50 pm
EWR
- ORD
Nonstop2h 47m
United Airlines
Deal found 2/2![United Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:34 pm
STL
- JFK
1 stop5h 55m
American Airlines
Sun 3/88:59 am
JFK
- STL
1 stop5h 44m
American Airlines
Deal found 2/4![American Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
MDW
- LGA
Nonstop2h 05m
Southwest
Mon 3/99:55 pm
LGA
- MDW
Nonstop2h 25m
Southwest
Deal found 2/4![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:20 pm
ORD
- LGA
Nonstop2h 24m
Delta
Sun 5/317:30 am
LGA
- ORD
Nonstop2h 41m
Delta
Deal found 2/1![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:55 pm
ORD
- EWR
Nonstop2h 20m
United Airlines
Sun 4/267:29 am
EWR
- ORD
Nonstop2h 44m
United Airlines
Deal found 2/2![United Airlines logo]()
$137
This Gotogate deal was found by Cheapflights users on 2/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:05 am
ORD
- BDL
1 stop7h 27m
Frontier
Wed 3/410:19 am
BDL
- ORD
1 stop25h 27m
Frontier
Deal found 2/4![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:00 am
MDW
- LGA
Nonstop2h 10m
Southwest
Thu 3/129:00 am
LGA
- MDW
Nonstop2h 35m
Southwest
Deal found 2/2![Southwest logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sun 3/15:05 am
ORD
- BDL
1 stop7h 27m
Multiple Airlines
Wed 3/410:19 am
BDL
- ORD
2 stops14h 28m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:55 pm
ORD
- EWR
Nonstop2h 20m
United Airlines
Mon 4/277:45 pm
EWR
- ORD
Nonstop2h 48m
United Airlines
Deal found 2/4![United Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:04 am
ORD
- JFK
Nonstop2h 25m
Delta
Sat 5/23:26 pm
JFK
- ORD
Nonstop3h 17m
Delta
Deal found 2/4![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:05 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Mon 3/29:50 pm
LGA
- MDW
Nonstop2h 30m
Southwest
Deal found 2/3![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:00 am
ORD
- JFK
Nonstop2h 25m
Delta
Mon 5/47:35 pm
JFK
- ORD
Nonstop3h 21m
Delta
Deal found 2/2![Delta logo]()
$137
This Gotogate deal was found by Cheapflights users on 2/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:05 am
ORD
- BDL
1 stop7h 27m
Frontier
Wed 2/1810:19 am
BDL
- ORD
1 stop25h 27m
Frontier
Deal found 2/4![Frontier logo]()
$211
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:20 pm
ORD
- LGA
Nonstop2h 16m
United Airlines
Mon 3/97:00 am
LGA
- ORD
Nonstop2h 43m
United Airlines
Deal found 2/3![United Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:20 am
MDW
- LGA
Nonstop2h 00m
Southwest
Mon 3/99:55 pm
LGA
- MDW
Nonstop2h 25m
Southwest
Deal found 2/4![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:00 am
ORD
- JFK
Nonstop2h 25m
Delta
Tue 5/58:19 am
JFK
- ORD
Nonstop3h 09m
Delta
Deal found 2/1![Delta logo]()
$137
Last-minute flights from Illinois to ConnecticutDiscover last-minute flight deals from Illinois to Connecticut. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Connecticut. Data last updated February 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Thu 2/267:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Sat 2/287:40 am
LGA
- ORD
Nonstop2h 42m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/45:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Sun 3/158:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$78
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.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 2/3![Spirit Airlines logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/114:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 2/2. 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 3/612:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Mon 3/94:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/2![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sat 3/75:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Wed 3/188:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$82
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sat 3/712:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Sat 3/144:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 2/3. 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 3/1212:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Tue 3/174:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/137:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Thu 3/198:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$83
This Frontier deal was found by Cheapflights users on 2/3. 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 3/1712:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Tue 3/244:29 pm
JFK
- ORD
Nonstop3h 00m
Frontier
Deal found 2/3![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 2/3. 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 3/217:31 pm
ORD
- LGA
Nonstop2h 05m
Spirit Airlines
Tue 3/248:42 am
LGA
- ORD
Nonstop2h 38m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$84
One-way flights from Illinois to ConnecticutSearch for one-way flight options from Illinois to Connecticut. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Illinois to Connecticut. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:53 pm
ORD
- LGA
Nonstop2h 06m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$46
This iWofly deal was found by Cheapflights users on 2/2. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$47
This Super.com deal was found by Cheapflights users on 2/2. 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.
Sun 3/812:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/2![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 2/265:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$48
This Super.com deal was found by Cheapflights users on 2/2. 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.
Thu 4/236:31 am
ORD
- JFK
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$48
This Super.com deal was found by Cheapflights users on 2/1. 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.
Thu 3/2612:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/1![Frontier logo]()
$49
This Super.com deal was found by Cheapflights users on 2/3. 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 3/2512:05 pm
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/3![Frontier logo]()
$50
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 7/299:04 am
ORD
- LGA
Nonstop2h 00m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$52
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:05 pm
MDW
- LGA
Nonstop2h 05m
Southwest
Deal found 2/1![Southwest logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/145:58 pm
ORD
- LGA
Nonstop2h 01m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$53
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sun 3/298:06 am
ORD
- JFK
Nonstop2h 24m
Frontier
Deal found 2/3![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 8/39:04 am
ORD
- LGA
Nonstop2h 00m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$54
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 5, 2026.
Round-trip from | $77 (Kiwi.com) |
|---|---|
One-way from | $46 (Expedia) |
Popular in | February |
Cheapest in | August |
Average price | $409 |
Good round-trip deal | $386 or less |
Good one-way deal | $180 or less |
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 5, 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
Sun 2/22
6:51 pm-10:00 pm
Nonstop2h 09m
Newark
Sun 3/1
11:05 pm-12:40 am
Nonstop2h 35m
$128
ChicagoNewark
ORD - EWR
ORDEWR
Chicago O'Hare Intl
Wed 4/15
4:47 pm-7:55 pm
Nonstop2h 08m
Newark
Sun 4/19
9:05 pm-10:43 pm
Nonstop2h 38m
$129
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Wed 4/15
7:10 am-10:26 am
Nonstop2h 16m
New York LaGuardia
Sun 4/19
7:30 am-9:23 am
Nonstop2h 53m
$137
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 4/24
6:30 pm-9:53 pm
Nonstop2h 23m
New York LaGuardia
Mon 4/27
7:10 am-8:49 am
Nonstop2h 39m
$137
ChicagoNew York
MDW - LGA
MDWLGA
Chicago Midway
Fri 4/24
7:50 pm-10:55 pm
Nonstop2h 05m
New York LaGuardia
Mon 4/27
9:45 pm-11:10 pm
Nonstop2h 25m
$137
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Tue 4/7
10:29 am-1:44 pm
Nonstop2h 15m
New York LaGuardia
Fri 4/10
8:25 pm-10:12 pm
Nonstop2h 47m
$137
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 4/17
6:30 pm-9:53 pm
Nonstop2h 23m
New York LaGuardia
Mon 4/20
9:15 pm-11:00 pm
Nonstop2h 45m
$137
ChicagoNew York
MDW - LGA
MDWLGA
Chicago Midway
Sat 4/18
6:05 pm-9:10 pm
Nonstop2h 05m
New York LaGuardia
Wed 4/22
9:30 pm-11:00 pm
Nonstop2h 30m
$137
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Fri 5/1
6:00 am-9:14 am
Nonstop2h 14m
New York LaGuardia
Tue 5/5
9:10 am-11:03 am
Nonstop2h 53m
$137
ChicagoNew York
ORD - LGA
ORDLGA
Chicago O'Hare Intl
Sat 5/9
4:00 pm-7:19 pm
Nonstop2h 19m
New York LaGuardia
Mon 5/11
9:15 pm-11:00 pm
Nonstop2h 45m
$137
Showing 1-10 of 60 results
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.
ORD-LGA
ORD-JFK
MDW-LGA
STL-EWR
ORD-EWR
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
USIL-USCT
ORD-LGA
ORD-JFK
MDW-LGA
STL-EWR
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 5, 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 31% 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 January 31, 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 5, 2026.
The most flights from USIL to USCT are scheduled on a Tuesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Illinois to Connecticut?
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 5, 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Avelo Airlines
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of 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.
Complete your trip
Complete your trip to Connecticut by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Connecticut by cabin class
Find flights from Illinois to Connecticut, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Connecticut flights
Browse other Illinois and Connecticut flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Connecticut
Find the right flight back to Illinois after your stay in Connecticut
Illinois to Connecticut flights
Consider these flights traveling from Illinois to Connecticut.
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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$135 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$347 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$185 | Average$373 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$325 | FlexibilityNo cancel fee | On-time63% |