$96+ Cheap flights from Chicago (CHI) to Isla Mujeres, Mexico
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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CUN
Mar 28 — Apr 41
1 adult, Economy
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Find cheap flights from Chicago to Isla Mujeres 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Isla Mujeres are usually found in September or January, booked 66 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from Chicago to Isla Mujeres
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Best
Last-minute
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Cheapest flights from Chicago to Isla MujeresExplore the most affordable flight options available from Chicago to Isla Mujeres. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 26, 2026.
Explore the most affordable flight options available from Chicago to Isla Mujeres. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/211:58 pm
ORD
- CUN
1 stop14h 03m
Multiple Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$240
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:59 pm
ORD
- CUN
1 stop11h 06m
Multiple Airlines
Thu 3/511:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/81:00 am
ORD
- CUN
1 stop13h 00m
Multiple Airlines
Tue 3/1012:25 pm
CUN
- ORD
1 stop6h 46m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$242
This CheapOair deal was found by Cheapflights users on 2/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:05 am
ORD
- CUN
Nonstop3h 49m
Multiple Airlines
Fri 3/611:40 am
CUN
- ORD
Nonstop4h 09m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$243
This Travelocity deal was found by Cheapflights users on 2/24. 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.
Tue 3/106:30 am
ORD
- CUN
Nonstop4h 04m
Frontier
Sat 3/1410:40 am
CUN
- ORD
Nonstop4h 08m
Frontier
Deal found 2/24![Frontier logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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 3/106:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Tue 3/1711:06 am
CUN
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 2/25![Spirit Airlines logo]()
$246
This Super.com deal was found by Cheapflights users on 2/23. 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 3/79:00 am
MDW
- CUN
Nonstop4h 02m
Frontier
Sat 3/143:07 pm
CUN
- MDW
Nonstop4h 06m
Frontier
Deal found 2/23![Frontier logo]()
$247
This Expedia deal was found by Cheapflights users on 2/23. 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.
Mon 3/28:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/23![Spirit Airlines logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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 3/58:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/25![Spirit Airlines logo]()
$248
This Super.com deal was found by Cheapflights users on 2/24. 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 3/48:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Sun 3/810:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/24![Spirit Airlines logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 2/24. 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.
Sun 3/86:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Sun 3/1511:06 am
CUN
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 2/24![Spirit Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:54 pm
MDW
- CUN
1 stop13h 54m
Multiple Airlines
Sat 3/73:07 pm
CUN
- MDW
Nonstop4h 06m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$251
Best flights from Chicago to Isla MujeresDiscover carefully curated flight deals from Chicago to Isla Mujeres that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 26, 2026.
Discover carefully curated flight deals from Chicago to Isla Mujeres that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 26, 2026.
This Spirit deal was found by Cheapflights users on 2/22. 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 3/88:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Fri 3/1311:06 am
CUN
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 2/22![Spirit Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/45:45 am
ORD
- CUN
1 stop6h 09m
United Airlines
Thu 3/53:18 pm
CUN
- ORD
Nonstop3h 51m
United Airlines
Deal found 2/23![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 2/24. 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.
Sun 4/122:00 am
ORD
- CUN
1 stop11h 35m
Delta
Tue 4/213:15 pm
CUN
- ORD
1 stop7h 06m
Delta
Deal found 2/24![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 2/24. 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.
Mon 4/139:35 am
MDW
- CUN
Nonstop3h 35m
Southwest
Fri 4/174:10 pm
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/24![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 2/24. 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.
Sun 4/198:15 am
ORD
- CUN
2 stops11h 25m
Delta
Thu 4/233:15 pm
CUN
- ORD
1 stop8h 44m
Delta
Deal found 2/24![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/257:52 am
ORD
- CUN
Nonstop3h 53m
United Airlines
Tue 4/285:22 pm
CUN
- ORD
1 stop7h 23m
United Airlines
Deal found 2/23![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 2/21. 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 5/206:23 am
MDW
- CUN
1 stop13h 53m
Delta
Sun 5/248:00 am
CUN
- MDW
1 stop13h 09m
Delta
Deal found 2/21![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 2/22. 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 4/177:45 pm
ORD
- CUN
1 stop13h 08m
Delta
Wed 4/228:00 am
CUN
- ORD
2 stops10h 52m
Delta
Deal found 2/22![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 2/24. 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 3/71:25 pm
MDW
- CUN
Nonstop3h 35m
Southwest
Tue 3/108:40 am
CUN
- MDW
2 stops11h 05m
Southwest
Deal found 2/24![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 2/24. 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.
Mon 3/307:59 pm
ORD
- CUN
1 stop13h 01m
Delta
Wed 4/14:45 pm
CUN
- ORD
1 stop7h 09m
Delta
Deal found 2/24![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 2/22. 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 3/38:55 am
MDW
- CUN
1 stop9h 50m
Southwest
Fri 3/69:30 am
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/22![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 2/22. 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 4/257:52 am
ORD
- CUN
Nonstop3h 53m
United Airlines
Mon 5/412:11 pm
CUN
- ORD
Nonstop4h 05m
United Airlines
Deal found 2/22![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 2/24. 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 2/2811:06 am
MDW
- CUN
1 stop9h 05m
Delta
Tue 3/35:45 pm
CUN
- MDW
2 stops16h 09m
Delta
Deal found 2/24![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 2/23. 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 3/196:30 am
MDW
- CUN
1 stop6h 30m
Southwest
Mon 3/232:05 pm
CUN
- MDW
Nonstop3h 45m
Southwest
Deal found 2/23![Southwest logo]()
$512
This Delta deal was found by Cheapflights users on 2/21. 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 5/207:00 am
ORD
- CUN
2 stops13h 16m
Delta
Sun 5/248:00 am
CUN
- ORD
1 stop13h 34m
Delta
Deal found 2/21![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 2/21. 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 5/167:25 am
MDW
- CUN
2 stops7h 35m
Southwest
Wed 5/2012:45 pm
CUN
- MDW
2 stops9h 30m
Southwest
Deal found 2/21![Southwest logo]()
$513
This Southwest deal was found by Cheapflights users on 2/21. 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 5/79:00 am
MDW
- CUN
1 stop5h 10m
Southwest
Sun 5/104:10 pm
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/21![Southwest logo]()
$515
This Delta deal was found by Cheapflights users on 2/22. 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 4/26:15 am
ORD
- CUN
1 stop6h 45m
Delta
Tue 4/72:10 pm
CUN
- ORD
1 stop9h 44m
Delta
Deal found 2/22![Delta logo]()
$431
This Southwest deal was found by Cheapflights users on 2/25. 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 3/249:20 am
MDW
- CUN
1 stop10h 25m
Southwest
Fri 3/278:30 am
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/25![Southwest logo]()
$538
This Delta deal was found by Cheapflights users on 2/22. 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 5/149:22 am
MDW
- CUN
2 stops10h 54m
Delta
Tue 5/199:20 am
CUN
- MDW
2 stops11h 49m
Delta
Deal found 2/22![Delta logo]()
$475
This Southwest deal was found by Cheapflights users on 2/24. 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 4/1510:30 am
MDW
- CUN
Nonstop3h 30m
Southwest
Sat 4/1810:50 am
CUN
- MDW
Nonstop3h 40m
Southwest
Deal found 2/24![Southwest logo]()
$546
This Delta deal was found by Cheapflights users on 2/22. 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 4/1612:52 pm
MDW
- CUN
1 stop7h 23m
Delta
Wed 4/228:00 am
CUN
- MDW
2 stops9h 58m
Delta
Deal found 2/22![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 2/21. 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 3/253:38 pm
ORD
- CUN
1 stop8h 54m
Delta
Thu 4/211:20 am
CUN
- ORD
2 stops12h 34m
Delta
Deal found 2/21![Delta logo]()
$560
Last-minute flights from Chicago to Isla MujeresDiscover last-minute flight deals from Chicago to Isla Mujeres. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Isla Mujeres. Data last updated February 26, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:59 pm
ORD
- CUN
1 stop11h 06m
Multiple Airlines
Thu 3/511:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/211:58 pm
ORD
- CUN
1 stop14h 03m
Multiple Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$240
This CheapOair deal was found by Cheapflights users on 2/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:05 am
ORD
- CUN
Nonstop3h 49m
Multiple Airlines
Fri 3/611:40 am
CUN
- ORD
Nonstop4h 09m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$243
This Expedia deal was found by Cheapflights users on 2/23. 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.
Mon 3/28:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/23![Spirit Airlines logo]()
$247
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:54 pm
MDW
- CUN
1 stop13h 54m
Multiple Airlines
Sat 3/73:07 pm
CUN
- MDW
Nonstop4h 06m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$251
This Super.com deal was found by Cheapflights users on 2/24. 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 3/48:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Sun 3/810:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/24![Spirit Airlines logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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 3/58:16 pm
ORD
- CUN
1 stop15h 04m
Spirit Airlines
Tue 3/1010:59 am
CUN
- ORD
Nonstop3h 54m
Spirit Airlines
Deal found 2/25![Spirit Airlines logo]()
$248
This Super.com deal was found by Cheapflights users on 2/23. 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 3/79:00 am
MDW
- CUN
Nonstop4h 02m
Frontier
Sat 3/143:07 pm
CUN
- MDW
Nonstop4h 06m
Frontier
Deal found 2/23![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/81:00 am
ORD
- CUN
1 stop13h 00m
Multiple Airlines
Tue 3/1012:25 pm
CUN
- ORD
1 stop6h 46m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 2/24. 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.
Sun 3/86:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Sun 3/1511:06 am
CUN
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 2/24![Spirit Airlines logo]()
$250
This Travelocity deal was found by Cheapflights users on 2/24. 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.
Tue 3/106:30 am
ORD
- CUN
Nonstop4h 04m
Frontier
Sat 3/1410:40 am
CUN
- ORD
Nonstop4h 08m
Frontier
Deal found 2/24![Frontier logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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 3/106:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Tue 3/1711:06 am
CUN
- ORD
Nonstop4h 00m
Spirit Airlines
Deal found 2/25![Spirit Airlines logo]()
$246
One-way flights from Chicago to Isla MujeresSearch for one-way flight options from Chicago to Isla Mujeres. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
Search for one-way flight options from Chicago to Isla Mujeres. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This FlightHub deal was found by Cheapflights users on 2/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:35 am
ORD
- CUN
1 stop13h 28m
Volaris
Deal found 2/23![Volaris logo]()
$96
This Frontier deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 am
ORD
- CUN
Nonstop4h 08m
Frontier
Deal found 2/25![Frontier logo]()
$97
This American Airlines deal was found by Cheapflights users on 2/23. 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 4/158:25 am
ORD
- CUN
1 stop7h 00m
American Airlines
Deal found 2/23![American Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/211:58 pm
ORD
- CUN
1 stop14h 03m
Volaris
Deal found 2/25![Volaris logo]()
$100
This Kissandfly.com deal was found by Cheapflights users on 2/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:35 am
ORD
- CUN
1 stop13h 28m
Volaris
Deal found 2/25![Volaris logo]()
$101
This Super.com deal was found by Cheapflights users on 2/25. 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 3/116:30 am
ORD
- CUN
Nonstop4h 04m
Frontier
Deal found 2/25![Frontier logo]()
$103
This Flightnetwork deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
ORD
- CUN
Nonstop4h 17m
Frontier
Deal found 2/25![Frontier logo]()
$104
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:54 pm
MDW
- CUN
1 stop13h 54m
Volaris
Deal found 2/24![Volaris logo]()
$105
This Spirit deal was found by Cheapflights users on 2/22. 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.
Mon 3/26:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Deal found 2/22![Spirit Airlines logo]()
$105
This Super.com deal was found by Cheapflights users on 2/24. 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 3/79:00 am
MDW
- CUN
Nonstop4h 02m
Frontier
Deal found 2/24![Frontier logo]()
$106
This Travelocity deal was found by Cheapflights users on 2/24. 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.
Wed 3/46:05 am
ORD
- CUN
Nonstop3h 49m
Spirit Airlines
Deal found 2/24![Spirit Airlines logo]()
$107
This FlightHub deal was found by Cheapflights users on 2/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:54 pm
MDW
- CUN
1 stop13h 54m
Volaris
Deal found 2/22![Volaris logo]()
$109
Find flight deals from Chicago to Isla Mujeres
Keep the following information in mind while searching for Chicago to Isla Mujeres flight deals. Data was last updated February 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Cheapflightsfares) |
One-way from | $96 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $431 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Isla Mujeres 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 26, 2026.
Use the filters below to find and compare flights from Chicago to Isla Mujeres that are best for you.
Fly from
Fly to
Route
Depart
Return
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 3/8
8:16 pm-11:20 am
1 stop15h 04m
Cancun
Fri 3/13
11:06 am-3:06 pm
Nonstop4h 00m
$267
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Wed 3/4
5:45 am-12:54 pm
1 stop6h 09m
Cancun
Thu 3/5
3:18 pm-6:09 pm
Nonstop3h 51m
$327
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 4/12
2:00 am-1:35 pm
1 stop11h 35m
Cancun
Tue 4/21
3:15 pm-10:21 pm
1 stop7h 06m
$333
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 4/19
8:15 am-7:40 pm
2 stops11h 25m
Cancun
Thu 4/23
3:15 pm-11:59 pm
1 stop8h 44m
$338
ChicagoCancún
MDW - CUN
MDWCUN
Chicago Midway
Wed 5/20
6:23 am-8:16 pm
1 stop13h 53m
Cancun
Sun 5/24
8:00 am-9:09 pm
1 stop13h 09m
$343
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Fri 4/17
7:45 pm-8:53 am
1 stop13h 08m
Cancun
Wed 4/22
8:00 am-6:52 pm
2 stops10h 52m
$347
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 3/30
7:59 pm-9:00 am
1 stop13h 01m
Cancun
Wed 4/1
4:45 pm-11:54 pm
1 stop7h 09m
$363
ChicagoCancún
MDW - CUN
MDWCUN
Chicago Midway
Mon 4/13
9:35 am-1:10 pm
Nonstop3h 35m
Cancun
Fri 4/17
4:10 pm-7:50 pm
Nonstop3h 40m
$368
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sat 4/25
7:52 am-11:45 am
Nonstop3h 53m
Cancun
Tue 4/28
5:22 pm-12:45 am
1 stop7h 23m
$371
ChicagoCancún
MDW - CUN
MDWCUN
Chicago Midway
Sat 2/28
11:06 am-9:11 pm
1 stop9h 05m
Cancun
Tue 3/3
5:45 pm-8:54 am
2 stops16h 09m
$377
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Chicago to Isla Mujeres
Have a flexible travel schedule? Discover the best time to fly to Isla Mujeres from Chicago with our price prediction graph.
ORD-CUN
MDW-CUN
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 Chicago to Isla Mujeres
CHI-IS9
ORD-CUN
MDW-CUN
How far ahead should I book a flight from Chicago to Isla Mujeres?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Isla Mujeres. Price data was last updated on February 20, 2026.
The best time to book flights from Chicago to Isla Mujeres is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago to Isla Mujeres?
Currently, April is the cheapest month in which you can book a flight from Chicago to Isla Mujeres (average of $157). Flying from Chicago to Isla Mujeres in August is currently the most expensive (average of $217). 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 CHI to IS9?
Find hourly flight availability from Chicago to Isla Mujeres. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 26, 2026.
It’s optimal to fly from Chicago to Isla Mujeres in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Chicago to Isla Mujeres
Explore weekly flight availability from Chicago to Isla Mujeres. 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 26, 2026.
The most flights from CHI to IS9 are scheduled on a Wednesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Chicago to Isla Mujeres?
Reviews of airlines servicing Isla Mujeres
Get insights into the airlines that provide service to Isla Mujeres. 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 Isla Mujeres. Reviews last updated February 26, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Chicago to Isla Mujeres have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
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 Chicago to Isla Mujeres. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Chicago to Isla Mujeres
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Complete your trip
Complete your trip to Isla Mujeres by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Isla Mujeres by cabin class
Find flights from Chicago to Isla Mujeres, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Isla Mujeres flights
Browse other Chicago and Isla Mujeres flight options. Last updated on February 26, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on February 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Chicago to Isla Mujeres
Discover the top 10 airlines that operate flights from Chicago to Isla Mujeres. 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$391 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$136 | Average$336 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$140 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$1,219 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$417 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$220 | Average$329 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$480 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$387 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$280 | Average$527 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$291 | Average$521 | FlexibilityNo cancel fee | On-time63% |