$142+ Cheap flights from Cancún (CUN) to Illinois
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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — ORD
Mar 19 — Mar 261
1 adult, Economy
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Find cheap flights from Cancún to Illinois 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 Cancún to IllinoisExplore the most affordable flight options available from Cancún to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.
Explore the most affordable flight options available from Cancún to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/1612:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Tue 4/215:48 am
ORD
- CUN
1 stop13h 31m
United Airlines
Deal found 2/13![United Airlines logo]()
$233
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 2/1911:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Mon 2/236:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$248
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:18 pm
CUN
- ORD
Nonstop3h 51m
United Airlines
Mon 3/210:33 am
ORD
- CUN
Nonstop4h 00m
United Airlines
Deal found 2/15![United Airlines logo]()
$249
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:07 pm
CUN
- MDW
Nonstop4h 06m
Frontier
Tue 3/176:00 am
MDW
- CUN
1 stop6h 37m
Frontier
Deal found 2/15![Frontier logo]()
$251
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:49 pm
CUN
- ORD
Nonstop4h 09m
American Airlines
Mon 2/238:29 am
ORD
- CUN
Nonstop3h 55m
American Airlines
Deal found 2/14![American Airlines logo]()
$254
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:33 pm
CUN
- ORD
1 stop7h 27m
American Airlines
Sun 4/197:00 am
ORD
- CUN
Nonstop3h 52m
American Airlines
Deal found 2/14![American Airlines logo]()
$259
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Sun 2/226:23 am
ORD
- CUN
1 stop14h 03m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Wed 2/184:45 pm
CUN
- ORD
Nonstop4h 00m
United Airlines
Fri 2/208:10 pm
ORD
- CUN
1 stop14h 15m
United Airlines
Deal found 2/14![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 2/14. 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 2/193:18 pm
CUN
- ORD
Nonstop3h 51m
United Airlines
Mon 2/238:43 am
ORD
- CUN
Nonstop3h 50m
United Airlines
Deal found 2/14![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:00 am
CUN
- MDW
1 stop8h 29m
Delta
Tue 4/216:00 am
MDW
- CUN
1 stop8h 01m
Delta
Deal found 2/14![Delta logo]()
$280
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:49 pm
CUN
- STL
1 stop18h 36m
United Airlines
Wed 4/86:00 am
STL
- CUN
1 stop13h 19m
United Airlines
Deal found 2/15![United Airlines logo]()
$281
This Frontier deal was found by Cheapflights users on 2/13. 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 5/1411:30 am
CUN
- MDW
1 stop10h 51m
Frontier
Tue 5/196:00 am
MDW
- CUN
1 stop8h 56m
Frontier
Deal found 2/13![Frontier logo]()
$292
Best flights from Cancún to IllinoisDiscover carefully curated flight deals from Cancún to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 17, 2026.
Discover carefully curated flight deals from Cancún to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 17, 2026.
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/3012:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Sun 5/310:31 am
ORD
- CUN
Nonstop3h 55m
United Airlines
Deal found 2/13![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:00 am
CUN
- MDW
1 stop8h 29m
Delta
Tue 4/216:00 am
MDW
- CUN
1 stop8h 01m
Delta
Deal found 2/14![Delta logo]()
$280
This Aeromexico 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:15 am
CUN
- MDW
1 stop11h 16m
Aeromexico
Wed 4/810:45 am
MDW
- CUN
1 stop9h 29m
Aeromexico
Deal found 2/15![Aeromexico logo]()
$281
This Frontier deal was found by Cheapflights users on 2/13. 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 2/262:49 pm
CUN
- MDW
1 stop8h 40m
Frontier
Wed 3/116:05 am
MDW
- CUN
1 stop8h 54m
Frontier
Deal found 2/13![Frontier logo]()
$313
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:15 pm
CUN
- STL
1 stop9h 40m
Southwest
Mon 4/1311:10 am
STL
- CUN
Nonstop3h 00m
Southwest
Deal found 2/15![Southwest logo]()
$388
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:15 am
CUN
- STL
1 stop28h 09m
Multiple Airlines
Wed 4/86:15 am
STL
- CUN
Nonstop3h 17m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/3012:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Sun 5/107:52 am
ORD
- CUN
Nonstop3h 53m
United Airlines
Deal found 2/13![United Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 2/13. 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 5/712:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Mon 5/1110:45 pm
ORD
- CUN
1 stop13h 17m
United Airlines
Deal found 2/13![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:00 am
CUN
- MDW
1 stop8h 26m
Delta
Mon 4/2712:52 pm
MDW
- CUN
1 stop7h 23m
Delta
Deal found 2/14![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/2312:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Mon 4/275:48 am
ORD
- CUN
1 stop6h 45m
United Airlines
Deal found 2/13![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 2/13. 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 5/149:55 am
CUN
- MDW
1 stop6h 22m
Delta
Tue 5/199:22 am
MDW
- CUN
2 stops10h 41m
Delta
Deal found 2/13![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 2/14. 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 4/1612:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Tue 4/218:51 am
ORD
- CUN
1 stop10h 28m
United Airlines
Deal found 2/14![United Airlines logo]()
$233
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.
Sun 5/103:54 pm
CUN
- STL
1 stop27h 18m
Frontier
Sun 5/178:12 pm
STL
- CUN
1 stop18h 27m
Frontier
Deal found 2/15![Frontier logo]()
$350
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:43 am
CUN
- STL
Nonstop3h 31m
Frontier
Wed 4/86:15 am
STL
- CUN
Nonstop3h 17m
Frontier
Deal found 2/15![Frontier logo]()
$373
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:51 am
CUN
- STL
1 stop14h 37m
United Airlines
Wed 4/89:10 am
STL
- CUN
2 stops10h 09m
United Airlines
Deal found 2/15![United Airlines logo]()
$281
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:25 pm
CUN
- STL
2 stops11h 33m
Delta
Mon 4/136:48 am
STL
- CUN
1 stop6h 16m
Delta
Deal found 2/15![Delta logo]()
$399
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:43 am
CUN
- STL
Nonstop3h 31m
Frontier
Mon 4/136:15 am
STL
- CUN
Nonstop3h 17m
Frontier
Deal found 2/15![Frontier logo]()
$415
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:12 pm
CUN
- STL
1 stop10h 45m
United Airlines
Sun 5/178:15 pm
STL
- CUN
2 stops15h 47m
United Airlines
Deal found 2/15![United Airlines logo]()
$432
Last-minute flights from Cancún to IllinoisDiscover last-minute flight deals from Cancún to Illinois. Data last updated February 17, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to Illinois. Data last updated February 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:49 pm
CUN
- ORD
Nonstop4h 09m
American Airlines
Mon 2/238:29 am
ORD
- CUN
Nonstop3h 55m
American Airlines
Deal found 2/14![American Airlines logo]()
$254
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Wed 2/184:45 pm
CUN
- ORD
Nonstop4h 00m
United Airlines
Fri 2/208:10 pm
ORD
- CUN
1 stop14h 15m
United Airlines
Deal found 2/14![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 2/13. 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 2/184:20 pm
CUN
- ORD
1 stop8h 39m
United Airlines
Sun 2/227:35 am
ORD
- CUN
1 stop7h 24m
United Airlines
Deal found 2/13![United Airlines logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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 2/1911:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Mon 2/236:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$248
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Sun 2/226:23 am
ORD
- CUN
1 stop14h 03m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/14. 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 2/193:18 pm
CUN
- ORD
Nonstop3h 51m
United Airlines
Mon 2/238:43 am
ORD
- CUN
Nonstop3h 50m
United Airlines
Deal found 2/14![United Airlines logo]()
$265
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Sun 2/226:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$267
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:18 pm
CUN
- ORD
Nonstop3h 51m
United Airlines
Mon 3/210:33 am
ORD
- CUN
Nonstop4h 00m
United Airlines
Deal found 2/15![United Airlines logo]()
$249
This Frontier deal was found by Cheapflights users on 2/13. 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 2/262:49 pm
CUN
- MDW
1 stop8h 40m
Frontier
Wed 3/116:05 am
MDW
- CUN
1 stop8h 54m
Frontier
Deal found 2/13![Frontier logo]()
$313
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:22 pm
CUN
- ORD
Nonstop4h 03m
United Airlines
Mon 3/169:15 pm
ORD
- CUN
1 stop13h 15m
United Airlines
Deal found 2/16![United Airlines logo]()
$234
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:07 pm
CUN
- MDW
Nonstop4h 06m
Frontier
Tue 3/176:00 am
MDW
- CUN
1 stop6h 37m
Frontier
Deal found 2/15![Frontier logo]()
$251
This Expedia deal was found by Cheapflights users on 2/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:47 pm
CUN
- MDW
1 stop7h 07m
Frontier
Tue 4/76:00 am
MDW
- CUN
1 stop8h 56m
Frontier
Deal found 2/14![Frontier logo]()
$350
One-way flights from Cancún to IllinoisSearch for one-way flight options from Cancún to Illinois. Find affordable one-way fares based on user searches. Data last updated February 17, 2026.
Search for one-way flight options from Cancún to Illinois. Find affordable one-way fares based on user searches. Data last updated February 17, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:07 pm
CUN
- MDW
Nonstop4h 06m
Frontier
Deal found 2/15![Frontier logo]()
$142
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:30 am
CUN
- MDW
1 stop10h 51m
Frontier
Deal found 2/15![Frontier logo]()
$150
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:30 am
CUN
- ORD
1 stop13h 22m
Frontier
Deal found 2/16![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/2212:55 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Deal found 2/13![United Airlines logo]()
$151
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:54 pm
CUN
- STL
1 stop27h 18m
Frontier
Deal found 2/16![Frontier logo]()
$153
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/173:45 pm
CUN
- ORD
Nonstop4h 00m
United Airlines
Deal found 2/14![United Airlines logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 2/13. 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.
Wed 4/151:00 pm
CUN
- ORD
1 stop7h 19m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 2/13. 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.
Tue 3/178:30 am
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/13![Southwest logo]()
$156
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:09 pm
CUN
- ORD
Nonstop4h 10m
American Airlines
Deal found 2/15![American Airlines logo]()
$156
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:49 pm
CUN
- ORD
1 stop16h 08m
Arajet
Deal found 2/16![Arajet logo]()
$157
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.
Fri 5/153:54 pm
CUN
- STL
1 stop27h 18m
Frontier
Deal found 2/17![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 5/910:40 am
CUN
- ORD
1 stop25h 37m
Frontier
Deal found 2/13![Frontier logo]()
$158
Find flight deals from Cancún to Illinois
Keep the following information in mind while searching for Cancún to Illinois flight deals. Data was last updated February 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (United Airlines) |
One-way from | $142 (Frontier) |
Popular in | September |
Cheapest in | January |
Average price | $227 |
Good round-trip deal | $135 or less |
Good one-way deal | $203 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Cancún to Illinois 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 17, 2026.
Use the filters below to find and compare flights from Cancún to Illinois that are best for you.
Fly from
Cancún
Fly to
Illinois
Route
Depart
Return
Price
CancúnChicago
CUN - ORD
CUNORD
Cancun
Thu 4/30
12:55 pm-5:00 pm
Nonstop4h 05m
Chicago O'Hare Intl
Sun 5/3
10:31 am-2:26 pm
Nonstop3h 55m
$233
CancúnChicago
CUN - ORD
CUNORD
Cancun
Thu 4/30
12:55 pm-5:00 pm
Nonstop4h 05m
Chicago O'Hare Intl
Sun 5/10
7:52 am-11:45 am
Nonstop3h 53m
$233
CancúnChicago
CUN - ORD
CUNORD
Cancun
Thu 5/7
12:55 pm-5:00 pm
Nonstop4h 05m
Chicago O'Hare Intl
Mon 5/11
10:45 pm-12:02 pm
1 stop13h 17m
$233
CancúnChicago
CUN - ORD
CUNORD
Cancun
Thu 4/23
12:55 pm-5:00 pm
Nonstop4h 05m
Chicago O'Hare Intl
Mon 4/27
5:48 am-12:33 pm
1 stop6h 45m
$233
CancúnChicago
CUN - ORD
CUNORD
Cancun
Thu 4/16
12:55 pm-5:00 pm
Nonstop4h 05m
Chicago O'Hare Intl
Tue 4/21
8:51 am-7:19 pm
1 stop10h 28m
$233
CancúnChicago
CUN - MDW
CUNMDW
Cancun
Thu 4/16
8:00 am-4:29 pm
1 stop8h 29m
Chicago Midway
Tue 4/21
6:00 am-2:01 pm
1 stop8h 01m
$280
CancúnChicago
CUN - MDW
CUNMDW
Cancun
Thu 4/23
8:00 am-4:26 pm
1 stop8h 26m
Chicago Midway
Mon 4/27
12:52 pm-8:15 pm
1 stop7h 23m
$280
CancúnChicago
CUN - MDW
CUNMDW
Cancun
Wed 4/1
11:15 am-10:31 pm
1 stop11h 16m
Chicago Midway
Wed 4/8
10:45 am-8:14 pm
1 stop9h 29m
$281
CancúnChicago
CUN - MDW
CUNMDW
Cancun
Thu 5/14
9:55 am-4:17 pm
1 stop6h 22m
Chicago Midway
Tue 5/19
9:22 am-8:03 pm
2 stops10h 41m
$281
CancúnSt. Louis
CUN - STL
CUNSTL
Cancun
Wed 4/1
7:51 am-10:28 pm
1 stop14h 37m
Lambert-St Louis
Wed 4/8
9:10 am-7:19 pm
2 stops10h 09m
$281
Showing 1-10 of 45 results
Best time to book a flight from Cancún to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Cancún with our price prediction graph.
CUN-MDW
CUN-ORD
CUN-STL
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 Cancún to Illinois
CUN-USIL
CUN-MDW
CUN-ORD
CUN-STL
What is the cheapest month to book a flight from Cancún to Illinois?
Currently, August is the cheapest month in which you can book a flight from Cancún to Illinois (average of $79). Flying from Cancún to Illinois in June is currently the most expensive (average of $245). 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 CUN to IL?
Find hourly flight availability from Cancún to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 17, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 66% on flights from Cancún to Illinois by exploring options for tickets in the evening.
Weekly flight availability from Cancún to Illinois
Explore weekly flight availability from Cancún to Illinois. 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 17, 2026.
The most flights from CUN to USIL are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Cancún to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated February 17, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Cancún to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Cancún to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cancún to Illinois
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Complete your trip
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Find flights from Cancún to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Cancún and Illinois flights
Browse other Cancún and Illinois flight options. Last updated on February 17, 2026.
Popular flight searches
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Cancún to Illinois flights
Consider these flights traveling from Cancún to Illinois.
Top 4 airlines flying from Cancún to Illinois
Discover the top 4 airlines that operate flights from Cancún to Illinois. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$234 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$209 | Average$325 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$271 | Average$310 | FlexibilityNo cancel fee | On-time71% |