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$92+ Cheap flights from Illinois to Cancún (CUN)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CUN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Cancún

Keep the following information in mind while searching for Illinois to Cancún flight deals. Data was last updated September 17, 2025.

Round-trip from

$232
(Cheapflightsfares)

One-way from

$92
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$347

Good round-trip deal

$352 or less

Good one-way deal

$124 or less
From Illinois to Cancun
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One-way flight from Illinois to Cancun
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Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Cancun.
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Price to beat on a one-way flight from Illinois to Cancun.
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Find flight deals from Illinois to Cancún

Cheapest flights from Illinois to Cancún
Explore the most affordable flight options available from Illinois to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:17 pmORD - CUN
1 stop14h 54mSpirit Airlines
Sat 10/410:20 amCUN - ORD
1 stop9h 30mSpirit Airlines
Deal found 9/17$232
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 12/95:05 amORD - CUN
1 stop6h 22mMultiple Airlines
Fri 12/1211:38 amCUN - ORD
Nonstop4h 03mMultiple Airlines
Deal found 9/16$233
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:30 amORD - CUN
Nonstop3h 45mMultiple Airlines
Wed 10/291:49 pmCUN - ORD
1 stop11h 14mMultiple Airlines
Deal found 9/14$234
This Expedia deal was found by Cheapflights users on 9/15. 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.
Sat 10/186:58 pmORD - CUN
1 stop13h 06mSpirit Airlines
Thu 10/2312:11 pmCUN - ORD
1 stop10h 15mSpirit Airlines
Deal found 9/15$235
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:28 pmORD - CUN
1 stop15h 36mSpirit Airlines
Sat 11/811:42 amCUN - ORD
Nonstop4h 08mSpirit Airlines
Deal found 9/14$236
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:28 pmORD - CUN
1 stop15h 36mSpirit Airlines
Tue 11/42:50 pmCUN - ORD
1 stop11h 13mSpirit Airlines
Deal found 9/15$238
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 11/156:00 amORD - CUN
Nonstop3h 37mSpirit Airlines
Wed 11/1911:42 amCUN - ORD
Nonstop4h 08mSpirit Airlines
Deal found 9/17$239
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/56:00 amORD - CUN
Nonstop3h 37mMultiple Airlines
Sat 12/1311:38 amCUN - ORD
Nonstop4h 03mMultiple Airlines
Deal found 9/16$240
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:25 amORD - CUN
Nonstop3h 53mFrontier
Thu 11/61:28 pmCUN - ORD
Nonstop4h 08mFrontier
Deal found 9/16$241
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:10 amORD - CUN
Nonstop3h 37mSpirit Airlines
Mon 10/61:49 pmCUN - ORD
1 stop9h 56mSpirit Airlines
Deal found 9/16$242
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/187:25 amORD - CUN
Nonstop3h 53mMultiple Airlines
Wed 11/2611:42 amCUN - ORD
Nonstop4h 08mMultiple Airlines
Deal found 9/17$243
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:22 amSTL - CUN
Nonstop3h 13mFrontier
Thu 10/162:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 9/15$244

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Cancún 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 September 17, 2025.
Use the filters below to find and compare flights from Illinois to Cancún that are best for you.

Fly from

Illinois

Fly to

Cancún

Route

Depart

Return

Price

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sun 11/16

10:40 am-3:25 pm

Nonstop3h 45m

Cancun

Thu 11/20

1:45 pm-4:30 pm

Nonstop3h 45m

$266

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 9/24

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Wed 10/1

2:49 pm-6:10 pm

Nonstop3h 21m

$284

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sat 11/15

5:05 am-2:00 pm

1 stop7h 55m

Cancun

Thu 11/20

1:45 pm-4:30 pm

Nonstop3h 45m

$285

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sat 10/4

9:00 am-7:20 pm

1 stop10h 20m

Cancun

Tue 10/7

3:38 pm-7:36 pm

Nonstop3h 58m

$307

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sat 10/18

6:30 am-1:40 pm

1 stop7h 10m

Cancun

Sat 11/1

11:55 am-8:20 pm

2 stops8h 25m

$310

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Fri 11/28

6:45 am-3:34 pm

1 stop7h 49m

Cancun

Tue 12/2

6:00 am-1:12 pm

1 stop8h 12m

$315

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sat 11/15

1:04 pm-9:20 pm

1 stop7h 16m

Cancun

Wed 11/19

12:25 pm-10:41 pm

1 stop11h 16m

$315

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Fri 11/28

6:45 am-9:20 pm

1 stop13h 35m

Cancun

Fri 12/5

6:00 am-1:12 pm

1 stop8h 12m

$315

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Tue 12/9

12:55 pm-8:25 pm

1 stop6h 30m

Cancun

Sat 12/13

11:55 am-2:45 pm

Nonstop3h 50m

$315

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Mon 11/17

8:40 am-1:25 pm

Nonstop3h 45m

Cancun

Fri 11/21

6:55 pm-12:10 am

1 stop6h 15m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Illinois 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 Illinois to Cancún

What is the cheapest month to book a flight from Illinois to Cancún?

Currently, January is the cheapest month in which you can book a flight from Illinois to Cancún (average of $360). Flying from Illinois to Cancún 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 IL to CUN?

Find hourly flight availability from Illinois to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Cancún as you normally would.

Weekly flight availability from Illinois to Cancún

Explore weekly flight availability from Illinois to Cancún. 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 September 17, 2025.

The most flights from USIL to CUN are scheduled on a Thursday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cancún from Illinois?

    If you book a flight to Cancún from Illinois, you will be flying to Cancun, which is the city’s only airport. Cancun (CUN) is located 8.9 mi from the center of Cancún.

  • How long is the flight from Illinois to Cancún?

    There are many flights that can get you from Illinois to Cancún in 3h 13m. Fly via Southwest, Frontier, or United Airlines to get the fastest option. The distance between Illinois and Cancún is about 1241 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Cancún one-way?

    $113 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $119 and $119, respectively.

  • What are the most popular routes from Illinois to Cancún?

    While some choose either Chicago Midway - Cancun or Lambert-St Louis - Cancun, Chicago O'Hare Intl - Cancun is the most popular route from Illinois to Cancún.

  • What are the most reliable airlines from Illinois to Cancún?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Cancún on time: Spirit Airlines (100%), Frontier (80%), Emirates (76%).

  • What are the cheapest flights from Illinois to Cancún?

    Looking at all options, your cheapest flight can be booked for $90. While the most popular route (Chicago O'Hare Intl - Cancun) can be booked for $221 on average, our data indicates $513 when flying from Illinois to Cancún.

  • Can I find deals for flights from Illinois to Cancún that include hotel bookings?

    Yes. In addition to deals on Illinois to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Cancún?

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

  • Can I find deals for business class flights from Illinois to Cancún?

    Yes. Cheapflights offers flight deals from Illinois to Cancún 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 Illinois to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Cancún (average of $360). Flying from Illinois to Cancún 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

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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Alternative routes for Illinois to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Cancún

Discover the top 10 airlines that operate flights from Illinois to Cancún. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$332FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$161Average$565FlexibilityNo cancel feeOn-time69%
DeltaCheapest$168Average$505FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$172Average$457FlexibilityNo cancel feeOn-time62%
VolarisCheapest$180Average$618FlexibilityNo cancel feeOn-time79%
AeromexicoCheapest$186Average$441FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$205Average$685FlexibilityNo cancel feeOn-time67%
VivaCheapest$251Average$322FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$266Average$608FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$292Average$535FlexibilityNo cancel feeOn-time71%

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