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$105+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CUN
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$244
(Gotogate)

One-way from

$105
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$387

Good round-trip deal

$355 or less

Good one-way deal

$120 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. 7% potential increase in price ($31 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 May 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 May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:14 pmORD - CUN
1 stop14h 25mSpirit Airlines
Fri 5/2310:52 amCUN - ORD
Nonstop3h 57mSpirit Airlines
Deal found 4/30$244
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1110:45 amMDW - CUN
Nonstop3h 40mSouthwest
Thu 5/159:00 amCUN - MDW
Nonstop3h 40mSouthwest
Deal found 5/1$247
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/97:25 amORD - CUN
Nonstop4h 07mMultiple Airlines
Tue 5/1312:18 pmCUN - ORD
1 stop10h 46mMultiple Airlines
Deal found 4/29$248
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:44 pmMDW - CUN
1 stop7h 36mAeromexico
Wed 6/112:00 pmCUN - MDW
1 stop7h 45mAeromexico
Deal found 4/30$309
This Delta deal was found by Cheapflights users on 4/30. 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 6/217:10 amORD - CUN
2 stops13h 35mDelta
Thu 6/263:39 pmCUN - ORD
1 stop8h 37mDelta
Deal found 4/30$311
This Aeromexico deal was found by Cheapflights users on 4/30. 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.
Mon 5/51:15 pmORD - CUN
2 stops11h 20mAeromexico
Fri 5/912:30 pmCUN - ORD
1 stop7h 51mAeromexico
Deal found 4/30$312
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 6/126:36 pmSTL - CUN
1 stop14h 19mSpirit Airlines
Mon 6/1610:00 amCUN - STL
1 stop8h 18mSpirit Airlines
Deal found 4/30$312
This Frontier deal was found by Cheapflights users on 4/30. 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.
Fri 6/277:35 amORD - CUN
Nonstop3h 57mFrontier
Tue 7/111:05 amCUN - ORD
Nonstop3h 59mFrontier
Deal found 4/30$320
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/612:48 pmMDW - CUN
2 stops11h 34mDelta
Wed 6/1112:35 pmCUN - MDW
1 stop9h 10mDelta
Deal found 5/1$321
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Thu 6/126:36 pmSTL - CUN
1 stop14h 19mMultiple Airlines
Tue 6/1712:35 pmCUN - STL
Nonstop3h 25mMultiple Airlines
Deal found 4/30$328
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/168:14 pmPIA - CUN
1 stop12h 02mMultiple Airlines
Tue 5/209:12 amCUN - PIA
1 stop28h 17mMultiple Airlines
Deal found 4/30$338
This CheapOair deal was found by Cheapflights users on 5/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:40 amORD - CUN
1 stop13h 18mVolaris
Wed 10/154:00 pmCUN - ORD
1 stop7h 32mVolaris
Deal found 5/1$350

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 May 1, 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

Fri 5/16

9:14 pm-11:39 am

1 stop14h 25m

Cancun

Fri 5/23

10:52 am-2:49 pm

Nonstop3h 57m

$244

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Sun 5/11

10:45 am-2:25 pm

Nonstop3h 40m

Cancun

Thu 5/15

9:00 am-12:40 pm

Nonstop3h 40m

$247

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 6/2

6:10 am-9:44 am

Nonstop3h 34m

Cancun

Thu 6/5

11:05 am-3:04 pm

Nonstop3h 59m

$250

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Tue 5/27

7:25 am-11:32 am

Nonstop4h 07m

Cancun

Wed 6/4

11:05 am-3:09 pm

Nonstop4h 04m

$294

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Tue 6/10

12:44 pm-8:20 pm

1 stop7h 36m

Cancun

Wed 6/11

2:00 pm-9:45 pm

1 stop7h 45m

$309

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Mon 5/19

9:59 am-1:44 pm

Nonstop3h 45m

Cancun

Sat 5/24

10:35 am-7:21 pm

1 stop8h 46m

$310

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sat 6/21

7:10 am-8:45 pm

2 stops13h 35m

Cancun

Thu 6/26

3:39 pm-12:16 am

1 stop8h 37m

$311

ChicagoCancún

ORD - CUN

ORDCUN

Chicago O'Hare Intl

Sat 5/31

6:24 am-9:29 pm

2 stops15h 05m

Cancun

Thu 6/5

12:30 pm-8:21 pm

1 stop7h 51m

$312

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 6/12

6:36 pm-8:55 am

1 stop14h 19m

Cancun

Mon 6/16

10:00 am-6:18 pm

1 stop8h 18m

$312

ChicagoCancún

MDW - CUN

MDWCUN

Chicago Midway

Fri 6/6

12:48 pm-12:22 am

2 stops11h 34m

Cancun

Wed 6/11

12:35 pm-9:45 pm

1 stop9h 10m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 2025.

The most flights from USIL to CUN are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 May 1, 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
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,293 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Aeromexico
7.5
Good
1,698 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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?

    $105 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 Frontier and Southwest, with prices starting from $106 and $111, 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: United Airlines (81%), Emirates (80%), Spirit Airlines (76%).

  • What are the cheapest flights from Illinois to Cancún?

    Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Chicago O'Hare Intl - Cancun) can be booked for $221 on average our data indicates $688 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$322FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$161Average$552FlexibilityNo cancel feeOn-time69%
FrontierCheapest$162Average$391FlexibilityNo cancel feeOn-time62%
VolarisCheapest$179Average$622FlexibilityNo cancel feeOn-time79%
DeltaCheapest$184Average$522FlexibilityNo cancel feeOn-timeN/A
VivaCheapest$251Average$323FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$279Average$955FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$292Average$562FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$300Average$491FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$340Average$694FlexibilityNo cancel feeOn-time63%

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