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$108+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CUN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Expedia)

One-way from

$108
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$516

Good round-trip deal

$306 or less

Good one-way deal

$151 or less
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 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. 6% potential increase in price ($27 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 March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/310:10 amORD - CUN
Nonstop3h 56mSpirit Airlines
Tue 4/810:53 amCUN - ORD
Nonstop4h 03mSpirit Airlines
Deal found 3/27$223
This Southwest deal was found by Cheapflights users on 3/26. 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 6/234:35 pmMDW - CUN
Nonstop3h 35mSouthwest
Thu 6/268:30 amCUN - MDW
Nonstop3h 35mSouthwest
Deal found 3/26$246
This American Airlines deal was found by Cheapflights users on 3/28. 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 5/118:40 amORD - CUN
Nonstop3h 45mAmerican Airlines
Thu 5/152:59 pmCUN - ORD
Nonstop4h 00mAmerican Airlines
Deal found 3/28$256
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/276:34 pmORD - CUN
2 stops24h 13mMultiple Airlines
Thu 5/110:46 amCUN - ORD
Nonstop4h 03mMultiple Airlines
Deal found 3/27$266
This CheapOair deal was found by Cheapflights users on 3/26. 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 5/1010:10 amSTL - CUN
1 stop25h 03mSpirit Airlines
Wed 5/1412:18 pmCUN - STL
1 stop20h 57mSpirit Airlines
Deal found 3/26$291
This Delta deal was found by Cheapflights users on 3/27. 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 5/124:06 pmORD - CUN
1 stop8h 19mDelta
Mon 5/193:26 pmCUN - ORD
1 stop8h 29mDelta
Deal found 3/27$306
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:34 pmORD - CUN
2 stops19h 26mVolaris
Thu 5/88:25 pmCUN - ORD
1 stop9h 17mVolaris
Deal found 3/28$307
This Aeromexico deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/233:28 pmORD - CUN
1 stop9h 27mAeromexico
Sat 5/36:08 amCUN - ORD
2 stops17h 51mAeromexico
Deal found 3/27$316
This iWofly deal was found by Cheapflights users on 3/26. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/59:52 amMDW - CUN
1 stop10h 10mAeromexico
Fri 5/98:00 amCUN - MDW
1 stop9h 36mAeromexico
Deal found 3/26$317
This Delta deal was found by Cheapflights users on 3/26. 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 5/106:00 amMDW - CUN
2 stops12h 57mDelta
Sat 5/178:31 amCUN - MDW
2 stops12h 43mDelta
Deal found 3/26$321
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 3/26$342
This CheapOair deal was found by Cheapflights users on 3/27. 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 4/16:47 pmSTL - CUN
1 stop16h 33mMultiple Airlines
Tue 4/811:46 amCUN - STL
Nonstop3h 26mMultiple Airlines
Deal found 3/27$342

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 March 28, 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 4/8

10:10 am-2:06 pm

Nonstop3h 56m

Cancun

Fri 4/11

12:16 pm-12:58 am

1 stop12h 42m

$223

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Mon 6/23

4:35 pm-8:10 pm

Nonstop3h 35m

Cancun

Thu 6/26

8:30 am-12:05 pm

Nonstop3h 35m

$246

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sun 5/11

8:40 am-12:25 pm

Nonstop3h 45m

Cancun

Thu 5/15

2:59 pm-6:59 pm

Nonstop4h 00m

$256

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sun 5/11

6:34 pm-12:35 am

1 stop30h 01m

Cancun

Wed 5/14

12:18 pm-11:04 pm

1 stop10h 46m

$262

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 5/10

10:10 am-11:13 am

1 stop25h 03m

Cancun

Wed 5/14

12:18 pm-9:15 am

1 stop20h 57m

$291

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Tue 4/8

1:45 am-2:26 pm

1 stop12h 41m

Cancun

Mon 4/14

5:18 pm-4:18 am

1 stop11h 00m

$298

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 5/12

4:06 pm-12:25 am

1 stop8h 19m

Cancun

Mon 5/19

3:26 pm-11:55 pm

1 stop8h 29m

$306

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 4/28

1:59 am-10:24 am

1 stop8h 25m

Cancun

Fri 5/2

3:11 pm-11:59 pm

1 stop8h 48m

$316

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Mon 5/5

9:52 am-8:02 pm

1 stop10h 10m

Cancun

Fri 5/9

8:00 am-5:36 pm

1 stop9h 36m

$317

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sat 5/10

6:00 am-5:18 pm

2 stops11h 18m

Cancun

Sat 5/17

8:31 am-9:14 pm

2 stops12h 43m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 56 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 March 28, 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 March 28, 2025.

The most flights from USIL to CUN are scheduled on a Wednesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Cancún by month

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

In terms of precipitation, rainfall in Cancún 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 Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

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

If weather is an important factor for your trip to Cancún, 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 Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Aeromexico from Illinois to Cancún to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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
1,701 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

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 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.

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

    $109 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Southwest and Volaris, with prices starting from $111 and $117, 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: Emirates (88%), United Airlines (88%), American Airlines (88%).

  • What are the cheapest flights from Illinois to Cancún?

    Looking at all options, your cheapest flight can be booked for $110. While the most popular route (Chicago O'Hare Intl - Cancun) can be booked for $224 on average our data indicates $784 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 Illinois?

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

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$115Average$317FlexibilityNo cancel feeOn-time65%
FrontierCheapest$153Average$385FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$171Average$535FlexibilityNo cancel feeOn-time69%
VolarisCheapest$178Average$623FlexibilityNo cancel feeOn-time79%
VivaCheapest$251Average$323FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$253Average$505FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$286Average$507FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$565FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$697FlexibilityNo cancel feeOn-time63%
AeroMexico ConnectCheapest$526Average$723FlexibilityNo cancel feeOn-timeN/A
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