$30+ Cheap flights from Illinois to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHI
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Chicago with Cheapflights
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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 ChicagoExplore the most affordable flight options available from Illinois to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Illinois to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:35 pm -
Nonstop1h 45m
Sat 11/712:15 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$66
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:35 pm -
Nonstop1h 45m
Mon 10/2612:30 pm -
Nonstop1h 25m
Deal found 10/16![Contour logo]()
$67
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
Nonstop1h 45m
Tue 11/312:15 pm -
Nonstop1h 25m
Deal found 10/15![Contour logo]()
$84
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:55 am -
Nonstop1h 45m
Sat 11/2112:15 pm -
Nonstop1h 25m
Deal found 10/16![Contour logo]()
$92
This Contour deal was found by Cheapflights users on 10/18. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:55 am -
Nonstop1h 45m
Fri 11/612:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$98
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:55 am -
Nonstop1h 45m
Mon 11/3012:15 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$102
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Sun 11/159:55 am -
Nonstop1h 45m
Sun 11/2212:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$103
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:55 am -
Nonstop1h 45m
Tue 10/2712:30 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$132
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/296:57 pm -
Nonstop1h 28m
Sun 11/15:00 pm -
Nonstop1h 10m
Deal found 10/14![United Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:57 pm -
Nonstop1h 28m
Sat 11/286:59 am -
Nonstop1h 10m
Deal found 10/19![United Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:57 pm -
Nonstop1h 28m
Wed 11/46:59 am -
Nonstop1h 10m
Deal found 10/16![United Airlines logo]()
$174
This Contour deal was found by Cheapflights users on 10/18. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:35 pm -
Nonstop1h 45m
Sun 11/112:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$188
Best flights from Illinois to ChicagoDiscover carefully curated flight deals from Illinois to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Illinois to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Booking.com deal was found by Cheapflights users on 10/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:55 am -
Nonstop1h 45m
Thu 11/512:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$67
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:35 pm -
Nonstop1h 45m
Wed 11/412:15 pm -
Nonstop1h 25m
Deal found 10/15![Contour logo]()
$67
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 am -
Nonstop1h 09m
Tue 11/35:00 pm -
Nonstop1h 10m
Deal found 10/15![United Airlines logo]()
$149
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:55 am -
Nonstop1h 45m
Thu 11/512:15 pm -
Nonstop1h 25m
Deal found 10/17![Contour logo]()
$84
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:55 am -
Nonstop1h 45m
Sat 11/2112:15 pm -
Nonstop1h 25m
Deal found 10/16![Contour logo]()
$92
This Contour deal was found by Cheapflights users on 10/14. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:55 am -
Nonstop1h 45m
Fri 11/612:15 pm -
Nonstop1h 25m
Deal found 10/14![Contour logo]()
$98
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:41 am -
Nonstop1h 43m
Sat 11/218:30 am -
Nonstop1h 34m
Deal found 10/15![American Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:40 pm -
2 stops18h 06m
Sat 11/2112:15 pm -
Nonstop1h 25m
Deal found 10/16![Multiple Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/296:57 pm -
Nonstop1h 28m
Sun 11/15:00 pm -
Nonstop1h 10m
Deal found 10/14![United Airlines logo]()
$149
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Sun 11/159:55 am -
Nonstop1h 45m
Sun 11/2212:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$103
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:57 pm -
Nonstop1h 28m
Mon 11/236:59 am -
Nonstop1h 10m
Deal found 10/18![United Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:00 pm -
Nonstop1h 22m
Mon 1/116:59 am -
Nonstop1h 18m
Deal found 10/16![United Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:57 pm -
Nonstop1h 28m
Sat 11/286:59 am -
Nonstop1h 10m
Deal found 10/19![United Airlines logo]()
$159
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/129:55 am -
Nonstop1h 45m
Fri 2/2612:15 pm -
Nonstop1h 25m
Deal found 10/15![Contour logo]()
$142
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:57 pm -
Nonstop1h 28m
Sun 11/157:25 am -
Nonstop1h 10m
Deal found 10/15![United Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 pm -
Nonstop1h 22m
Sat 1/304:50 pm -
Nonstop1h 16m
Deal found 10/16![United Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:45 am -
Nonstop1h 50m
Wed 12/911:00 pm -
Nonstop1h 36m
Deal found 10/18![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:57 pm -
Nonstop1h 28m
Sun 11/225:00 pm -
Nonstop1h 10m
Deal found 10/18![United Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:45 am -
Nonstop1h 50m
Thu 12/108:15 am -
Nonstop1h 36m
Deal found 10/18![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:19 am -
Nonstop1h 46m
Sat 11/218:30 am -
Nonstop1h 34m
Deal found 10/19![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:00 am -
Nonstop1h 45m
Fri 1/810:30 pm -
Nonstop1h 41m
Deal found 10/15![American Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/187:36 pm -
1 stop13h 10m
Tue 12/18:15 am -
2 stops34h 41m
Deal found 10/18![Multiple Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:39 am -
Nonstop1h 56m
Thu 12/108:15 am -
Nonstop1h 36m
Deal found 10/18![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:00 am -
Nonstop1h 45m
Fri 1/810:30 pm -
Nonstop1h 41m
Deal found 10/16![American Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/148:19 pm -
1 stop28h 36m
Sat 1/306:00 am -
2 stops37h 29m
Deal found 10/16![Multiple Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:39 am -
Nonstop1h 56m
Thu 12/1011:00 pm -
Nonstop1h 36m
Deal found 10/18![American Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 am -
Nonstop1h 50m
Mon 11/2311:00 pm -
Nonstop1h 31m
Deal found 10/19![American Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:40 am -
Nonstop1h 18m
Sat 10/314:39 pm -
Nonstop1h 12m
Deal found 10/15![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:33 pm -
1 stop13h 13m
Wed 11/49:51 am -
1 stop9h 05m
Deal found 10/16![Multiple Airlines logo]()
$552
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:39 pm -
Nonstop1h 24m
Wed 11/114:00 pm -
Nonstop1h 07m
Deal found 10/18![American Airlines logo]()
$325
Last-minute flights from Illinois to ChicagoDiscover last-minute flight deals from Illinois to Chicago. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Chicago. Data last updated October 19, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:55 am -
Nonstop1h 45m
Tue 10/2712:30 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$132
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:35 pm -
Nonstop1h 45m
Mon 10/2612:30 pm -
Nonstop1h 25m
Deal found 10/16![Contour logo]()
$67
This Contour deal was found by Cheapflights users on 10/18. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:35 pm -
Nonstop1h 45m
Sun 11/112:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$188
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:57 pm -
Nonstop1h 28m
Wed 11/46:59 am -
Nonstop1h 10m
Deal found 10/16![United Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/296:57 pm -
Nonstop1h 28m
Sun 11/15:00 pm -
Nonstop1h 10m
Deal found 10/14![United Airlines logo]()
$149
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
Nonstop1h 45m
Tue 11/312:15 pm -
Nonstop1h 25m
Deal found 10/15![Contour logo]()
$84
This Contour deal was found by Cheapflights users on 10/18. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:55 am -
Nonstop1h 45m
Fri 11/612:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$98
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:35 pm -
Nonstop1h 45m
Sat 11/712:15 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$66
This Mytrip deal was found by Cheapflights users on 10/18. 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.
Sun 11/159:55 am -
Nonstop1h 45m
Sun 11/2212:15 pm -
Nonstop1h 25m
Deal found 10/18![Contour logo]()
$103
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:55 am -
Nonstop1h 45m
Sat 11/2112:15 pm -
Nonstop1h 25m
Deal found 10/16![Contour logo]()
$92
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:55 am -
Nonstop1h 45m
Mon 11/3012:15 pm -
Nonstop1h 25m
Deal found 10/19![Contour logo]()
$102
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:57 pm -
Nonstop1h 28m
Sat 11/286:59 am -
Nonstop1h 10m
Deal found 10/19![United Airlines logo]()
$159
One-way flights from Illinois to ChicagoSearch for one-way flight options from Illinois to Chicago. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Illinois to Chicago. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Contour logo]()
$30
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Contour logo]()
$39
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Contour logo]()
$50
This Booking.com deal was found by Cheapflights users on 10/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Contour logo]()
$86
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:57 pm -
Nonstop1h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$98
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:10 am -
Nonstop1h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/117:36 pm -
2 stops37h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:36 pm -
2 stops28h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/122:41 pm -
2 stops40h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/112:40 pm -
2 stops24h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 1/137:26 pm -
2 stops27h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/139:11 am -
2 stops46h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$189
Find flight deals from Illinois to Chicago
Keep the following information in mind while searching for Illinois to Chicago flight deals. Data was last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $67 (Booking.com) |
One-way from | $30 (Booking.com) |
Popular in | August |
Cheapest in | February |
Average price | $359 |
Good round-trip deal | $282 or less |
Good one-way deal | $197 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Chicago 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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Illinois to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Tue 11/10
3:35 pm-5:20 pm
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$30
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Mon 11/9
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$30
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Wed 11/11
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$30
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Wed 11/18
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$39
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Fri 11/20
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$50
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Mon 11/2
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Thu 11/5
12:15 pm-1:40 pm
Nonstop1h 25m
$67
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Tue 11/3
3:35 pm-5:20 pm
Nonstop1h 45m
Chicago O'Hare Intl
Wed 11/4
12:15 pm-1:40 pm
Nonstop1h 25m
$67
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Sun 11/1
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Thu 11/5
12:15 pm-1:40 pm
Nonstop1h 25m
$84
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Fri 10/30
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Wed 11/18
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Sat 11/21
12:15 pm-1:40 pm
Nonstop1h 25m
$92
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Illinois with our price prediction graph.
UIN-ORD
DEC-ORD
MWA-ORD
SPI-ORD
BMI-ORD
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 Chicago
USIL-CHI
UIN-ORD
DEC-ORD
MWA-ORD
SPI-ORD
What is the cheapest month to book a flight from Illinois to Chicago?
Currently, August is the cheapest month in which you can book a flight from Illinois to Chicago (average of $230). Flying from Illinois to Chicago in April is currently the most expensive (average of $340). 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 CHI?
Find hourly flight availability from Illinois to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
When flying from Illinois to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight at noon.
What is the cheapest day to fly from Illinois to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Chicago. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Illinois to Chicago flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated October 19, 2026.
Get a feel of what it's like to fly with Contour,United Airlines, andAmerican Airlines from Illinois to Chicago by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.8
Comfort
7.3
Crew
7.8
Entertainment
6.1
Boarding
7.5
Overall
7.5
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Comfort
7.3
Crew
7.8
Entertainment
6.1
Boarding
7.5
Overall
7.5
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Comfort
7.3
Crew
7.8
Entertainment
6.1
Boarding
7.5
Overall
7.5
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Food
6.8
Comfort
7.3
Crew
7.8
Entertainment
6.1
Boarding
7.5
Overall
7.5
Reviews
1 / 2
10.0
ExcellentAnonymous,Oct 2025
CLT - PAH
Related info for your journey
Find useful and relevant information for your journey from Illinois to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
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.
Alternative routes
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Alternative routes for Illinois to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Chicago by cabin class
Find flights from Illinois to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Chicago flights
Browse other Illinois and Chicago flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Chicago flights
Consider these flights traveling from Illinois to Chicago.
Top 2 airlines flying from Illinois to Chicago
Discover the top 2 airlines that operate flights from Illinois to Chicago. 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$259 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$476 | FlexibilityNo cancel fee | On-time71% |