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Isla Mujeres

$107+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CUN
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Isla Mujeres are usually found in September or May, booked 59 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap 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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$225
(Cheapflightsfares)

One-way from

$107
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$361
Provider with most accurate pricing for Chicago (CHI)-Cancun flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Cancun flights.
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From Chicago (CHI) to Isla Mujeres
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One-way flight from Chicago (CHI) to Isla Mujeres
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Chicago to Isla Mujeres

Cheapest flights from Chicago to Isla Mujeres
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 April 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:00 amORD - CUN
Nonstop3h 41mSpirit Airlines
Wed 5/712:18 pmCUN - ORD
1 stop10h 46mSpirit Airlines
Deal found 4/1$225
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:30 pmMDW - CUN
Nonstop3h 35mSouthwest
Tue 7/88:30 amCUN - MDW
Nonstop3h 35mSouthwest
Deal found 4/2$246
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:59 amORD - CUN
Nonstop3h 45mAmerican Airlines
Thu 5/152:59 pmCUN - ORD
Nonstop4h 00mAmerican Airlines
Deal found 4/1$256
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:47 pmORD - CUN
1 stop15h 23mMultiple Airlines
Wed 4/1611:51 amCUN - ORD
1 stop12h 24mMultiple Airlines
Deal found 4/2$268
This eDestinos deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:48 pmMDW - CUN
1 stop7h 32mAeromexico
Wed 5/1411:00 amCUN - MDW
1 stop10h 28mAeromexico
Deal found 4/1$276
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:42 amORD - CUN
Nonstop3h 46mUnited Airlines
Wed 5/1412:20 pmCUN - ORD
Nonstop4h 02mUnited Airlines
Deal found 4/1$294
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:25 amORD - CUN
1 stop13h 38mVolaris
Thu 6/1910:00 pmCUN - ORD
1 stop7h 42mVolaris
Deal found 3/31$300
This Aeromexico deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/69:45 amORD - CUN
2 stops15h 10mAeromexico
Wed 4/96:08 amCUN - ORD
1 stop7h 34mAeromexico
Deal found 4/2$311
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/195:10 pmMDW - CUN
1 stop15h 05mMultiple Airlines
Sat 4/2611:05 amCUN - MDW
1 stop9h 34mMultiple Airlines
Deal found 4/1$317
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/182:21 pmORD - CUN
1 stop9h 34mDelta
Wed 4/237:18 amCUN - ORD
2 stops13h 32mDelta
Deal found 4/2$317
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:48 pmMDW - CUN
2 stops10h 57mDelta
Wed 5/1411:00 amCUN - MDW
1 stop10h 28mDelta
Deal found 4/2$321
This Travelocity deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:44 pmMDW - CUN
1 stop13h 01mFrontier
Tue 4/1512:40 pmCUN - MDW
1 stop7h 05mFrontier
Deal found 4/1$374

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 April 2, 2025.
Use the filters below to find and compare flights from Chicago to Isla Mujeres that are best for you.

Fly from

Chicago

Fly to

Isla Mujeres

Route

Depart

Return

Price

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 5/5

6:00 am-9:41 am

Nonstop3h 41m

Cancun

Sat 5/10

9:12 am-11:29 pm

1 stop14h 17m

$225

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Tue 7/1

4:30 pm-8:05 pm

Nonstop3h 35m

Cancun

Tue 7/8

8:30 am-12:05 pm

Nonstop3h 35m

$246

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sat 4/12

6:00 am-9:41 am

Nonstop3h 41m

Cancun

Wed 4/16

11:51 am-12:15 am

1 stop12h 24m

$252

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sun 5/11

9:59 am-1:44 pm

Nonstop3h 45m

Cancun

Thu 5/15

2:59 pm-6:59 pm

Nonstop4h 00m

$256

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Mon 5/12

12:48 pm-8:20 pm

1 stop7h 32m

Cancun

Wed 5/14

11:00 am-9:28 pm

1 stop10h 28m

$276

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 5/5

10:42 am-2:28 pm

Nonstop3h 46m

Cancun

Wed 5/14

12:20 pm-4:22 pm

Nonstop4h 02m

$294

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Fri 4/18

2:21 pm-11:55 pm

1 stop9h 34m

Cancun

Wed 4/23

12:35 pm-6:58 pm

1 stop6h 23m

$316

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sat 4/19

5:10 pm-8:15 am

1 stop15h 05m

Cancun

Sat 4/26

11:05 am-8:39 pm

1 stop9h 34m

$317

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Mon 5/12

12:48 pm-11:45 pm

2 stops10h 57m

Cancun

Wed 5/14

11:00 am-9:28 pm

1 stop10h 28m

$321

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 5/12

6:24 am-1:06 pm

1 stop6h 42m

Cancun

Wed 5/14

11:00 am-9:20 pm

1 stop10h 20m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 30 results
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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.
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

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 March 28, 2025.

The best time to book flights from Chicago to Isla Mujeres is 59 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, January is the cheapest month in which you can book a flight from Chicago to Isla Mujeres (average of $360). Flying from Chicago to Isla Mujeres in March is currently the most expensive (average of $492). 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 April 2, 2025.

When flying from Chicago to Isla Mujeres, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Chicago to Isla Mujeres?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Isla Mujeres. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Chicago to Isla Mujeres flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 2, 2025.

The most flights from CHI to IS9 are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Isla Mujeres by month

Plan your trip to Isla Mujeres by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Isla Mujeres ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Isla Mujeres when rainfall is around 1.1 in.

Temperature in Isla Mujeres by month

Plan your trip to Isla Mujeres by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Isla Mujeres, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Aeromexico from Chicago to Isla Mujeres to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Aeromexico
7.5
Good
1,700 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,616 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines to fly from Chicago to Isla Mujeres one-way?

    The cheapest airlines for a one-way flight from Chicago to Isla Mujeres are Spirit Airlines ($110), Southwest ($111), and American Airlines ($116).

  • What are the most reliable airlines from Chicago to Isla Mujeres?

    Before booking your flight to Isla Mujeres from Chicago, check out the most reliable airlines to get you to your destination on time: United Airlines (82%), Emirates (82%), American Airlines( 81%).

  • What are the cheapest flights from Chicago to Isla Mujeres?

    On average you can expect to pay $572 for a flight from Chicago to Isla Mujeres. The cheapest flight overall is $94 while the most popular route, (Chicago O'Hare Intl - Cancun) is currently priced at $223.

  • Can I find deals for flights from Chicago to Isla Mujeres that include hotel bookings?

    Yes. In addition to deals on Chicago to Isla Mujeres flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Isla Mujeres?

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

  • Can I find deals for business class flights from Chicago to Isla Mujeres?

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

  • What is the cheapest month to book a flight from Chicago to Isla Mujeres?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Isla Mujeres (average of $360). Flying from Chicago to Isla Mujeres in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$116Average$319FlexibilityNo cancel feeOn-time65%
FrontierCheapest$149Average$386FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$173Average$464FlexibilityNo cancel feeOn-time69%
VolarisCheapest$180Average$556FlexibilityNo cancel feeOn-time79%
VivaCheapest$237Average$292FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$257Average$516FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$263Average$508FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$279Average$955FlexibilityNo cancel feeOn-time67%
DeltaCheapest$286Average$516FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$340Average$695FlexibilityNo cancel feeOn-time63%

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