HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cancún

$111+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CUN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Cancún 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.

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 November 3, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$237
(Kiwi.com)

One-way from

$111
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$446

Good round-trip deal

$281 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Chicago (CHI)-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Cancun flights.
Search Deals
From Illinois to Cancun
Search Deals
One-way flight from Illinois to Cancun
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Cancun.
Search Deals
Price to beat on a one-way flight from Illinois to Cancun.
Search Deals

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 November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:14 pmORD - CUN
1 stop13h 22mSpirit Airlines
Thu 12/1811:50 amCUN - ORD
Nonstop4h 03mSpirit Airlines
Deal found 11/3$237
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/165:10 amORD - CUN
1 stop7h 25mSpirit Airlines
Sat 11/2211:53 amCUN - ORD
Nonstop4h 00mSpirit Airlines
Deal found 11/3$238
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/110:32 amORD - CUN
Nonstop4h 03mMultiple Airlines
Thu 12/412:31 pmCUN - ORD
1 stop8h 38mMultiple Airlines
Deal found 11/3$239
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/16:00 amORD - CUN
Nonstop3h 44mSpirit Airlines
Wed 12/311:53 amCUN - ORD
Nonstop4h 00mSpirit Airlines
Deal found 11/3$240
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/79:14 pmORD - CUN
1 stop13h 22mSpirit Airlines
Fri 12/1212:31 pmCUN - ORD
1 stop8h 38mSpirit Airlines
Deal found 11/3$241
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/26:00 amORD - CUN
Nonstop3h 44mSpirit Airlines
Fri 12/1212:31 pmCUN - ORD
1 stop8h 38mSpirit Airlines
Deal found 11/3$242
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amORD - CUN
Nonstop3h 44mSpirit Airlines
Sat 12/1311:50 amCUN - ORD
Nonstop4h 03mSpirit Airlines
Deal found 11/3$243
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Wed 12/3110:37 amORD - CUN
Nonstop4h 11mMultiple Airlines
Sat 1/1011:42 amCUN - ORD
Nonstop4h 08mMultiple Airlines
Deal found 11/1$244
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Fri 11/145:57 pmORD - CUN
1 stop16h 39mSpirit Airlines
Fri 11/2111:53 amCUN - ORD
Nonstop4h 00mSpirit Airlines
Deal found 11/3$245
This CheapOair deal was found by Cheapflights users on 11/3. 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 11/185:10 amORD - CUN
1 stop7h 25mSpirit Airlines
Sun 11/232:44 pmCUN - ORD
1 stop9h 29mSpirit Airlines
Deal found 11/3$246
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:05 amORD - CUN
Nonstop3h 50mSpirit Airlines
Sun 12/2111:50 amCUN - ORD
Nonstop4h 03mSpirit Airlines
Deal found 10/31$247
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amORD - CUN
Nonstop3h 44mSpirit Airlines
Fri 12/512:31 pmCUN - ORD
1 stop8h 38mSpirit Airlines
Deal found 11/2$248

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 November 3, 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

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Tue 12/2

7:34 am-12:30 pm

Nonstop3h 56m

Cancun

Fri 12/5

3:18 pm-6:09 pm

Nonstop3h 51m

$262

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Wed 12/10

7:35 am-5:50 pm

1 stop9h 15m

Cancun

Wed 12/17

1:27 pm-4:27 pm

Nonstop4h 00m

$302

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 12/15

8:43 am-1:33 pm

Nonstop3h 50m

Cancun

Tue 1/13

4:20 pm-11:59 pm

1 stop8h 39m

$307

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Wed 3/11

6:00 am-12:05 pm

1 stop6h 05m

Cancun

Tue 3/17

5:05 pm-9:05 pm

Nonstop4h 00m

$312

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sun 11/30

8:45 am-1:30 pm

Nonstop3h 45m

Cancun

Tue 12/2

9:40 am-4:55 pm

1 stop8h 15m

$315

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Fri 1/23

5:33 am-8:00 pm

2 stops13h 27m

Cancun

Wed 1/28

12:35 pm-11:00 pm

1 stop11h 25m

$317

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Wed 2/18

5:25 am-8:00 pm

2 stops13h 35m

Cancun

Thu 2/26

3:15 pm-11:00 pm

1 stop8h 45m

$317

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Tue 2/17

6:45 am-8:00 pm

2 stops12h 15m

Cancun

Wed 2/25

12:27 pm-11:00 pm

1 stop11h 33m

$317

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 12/29

7:59 pm-10:15 am

1 stop13h 16m

Cancun

Sat 1/31

6:01 am-12:40 pm

1 stop7h 39m

$317

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sat 11/8

3:40 pm-8:25 pm

Nonstop3h 45m

Cancun

Sat 11/15

11:55 am-2:45 pm

Nonstop3h 50m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
1
2
3
...
6

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 $129). Flying from Illinois to Cancún in July 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 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 November 3, 2025.

It’s optimal to fly from Illinois to Cancún at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Illinois to Cancún?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Cancún. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Cancún flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 2025.

The most flights from USIL to CUN are scheduled on a Thursday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Illinois to Cancún?

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 56m. Fly via United Airlines, Southwest, or Delta to get the fastest option. The distance between Illinois and Cancún is about 1447 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?

    $120 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $120 and $129, 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 (89%), Frontier (89%), American Airlines (80%).

  • What are the cheapest flights from Illinois to Cancún?

    Looking at all options, your cheapest flight can be booked for $114. While the most popular route (Chicago O'Hare Intl - Cancun) can be booked for $227 on average, our data indicates $641 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 $129). Flying from Illinois to Cancún in July 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Cancún flights
Newark to Cancún flights
O'Hare Intl to Cancún flights
Dulles Intl to Cancún flights
LaGuardia to Cancún flights
George Bush Intcntl to Cancún flights
Dallas/Fort Worth to Cancún flights
Los Angeles to Cancún flights
Boston to Cancún flights
Seattle to Cancún flights
Detroit to Cancún flights
San Francisco to Cancún flights
Denver to Cancún flights
Atlanta to Cancún flights
Minneapolis to Cancún flights
Reagan-National to Cancún flights
Hobby to Cancún flights
Baltimore to Cancún flights
Philadelphia to Cancún flights
Midway to Cancún flights
Dallas/Fort Worth to Cozumel flights
Newark to Cozumel flights
Cleveland to Cancún flights
Miami to Cancún flights
Orlando to Cancún flights
Austin to Cancún flights
Hobby to Cozumel flights
Charlotte to Cancún flights
Philadelphia to Cozumel flights
Raleigh to Cancún flights
George Bush Intcntl to Cozumel flights
Seattle to Cozumel flights
Love Field to Cancún flights
O'Hare Intl to Cozumel flights
Tampa to Cancún flights
Dulles Intl to Cozumel flights
Denver to Cozumel flights
Sky Harbor Intl to Cancún flights
Salt Lake City to Cancún flights
Fort Lauderdale to Cancún flights
Detroit to Cozumel flights
Minneapolis to Cozumel flights
John F Kennedy Intl to Cozumel flights
Portland to Cancún flights
Boston to Cozumel flights
Baltimore to Cozumel flights
Kansas City to Cancún flights
Los Angeles to Cozumel flights
LaGuardia to Cozumel flights
Milwaukee to Cancún flights

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$145Average$436FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$152Average$342FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$161Average$592FlexibilityNo cancel feeOn-time69%
DeltaCheapest$168Average$491FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$176Average$465FlexibilityNo cancel feeOn-time62%
VolarisCheapest$178Average$621FlexibilityNo cancel feeOn-time79%
VivaCheapest$251Average$324FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$266Average$585FlexibilityNo cancel feeOn-time63%
Air CanadaCheapest$279Average$492FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$292Average$542FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.