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$122+ Cheap flights from Cancún (CUN) to Illinois

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — ORD
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap flight deals from Cancún to Illinois

Cheapest flights from Cancún to Illinois
Explore the most affordable flight options available from Cancún to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2026.

This Travelocity deal was found by Cheapflights users on 1/20. 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.
vie. 2/136:27 pm
CUN
-
ORD
Nonstop4h 10m
Frontier
mar. 2/178:00 am
ORD
-
CUN
Nonstop4h 17m
Frontier
Deal found 1/20$161
This Frontier deal was found by Cheapflights users on 1/20. 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.
vie. 2/611:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
lun. 2/97:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/20$162
This Frontier deal was found by Cheapflights users on 1/21. 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.
jue. 2/196:27 pm
CUN
-
ORD
Nonstop4h 10m
Frontier
lun. 2/236:10 am
ORD
-
CUN
Nonstop4h 04m
Frontier
Deal found 1/21$163
This Frontier deal was found by Cheapflights users on 1/21. 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.
jue. 3/56:27 pm
CUN
-
ORD
Nonstop4h 10m
Frontier
mar. 3/106:30 am
ORD
-
CUN
Nonstop4h 04m
Frontier
Deal found 1/21$164
This Frontier deal was found by Cheapflights users on 1/21. 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.
vie. 1/3011:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
lun. 2/27:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/21$173
This Frontier deal was found by Cheapflights users on 1/21. 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.
mié. 2/117:19 pm
CUN
-
ORD
Nonstop4h 09m
Frontier
mié. 2/188:00 am
ORD
-
CUN
Nonstop4h 17m
Frontier
Deal found 1/21$177
This Expedia deal was found by Cheapflights users on 1/21. 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.
mié. 1/2811:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
mié. 2/47:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/21$182
This Frontier deal was found by Cheapflights users on 1/21. 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.
vie. 1/2311:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
lun. 1/267:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/21$198
This Expedia deal was found by Cheapflights users on 1/21. 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.
vie. 1/2311:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
jue. 1/297:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/21$202
This Expedia deal was found by Cheapflights users on 1/21. 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.
mié. 1/2811:40 am
CUN
-
ORD
Nonstop4h 09m
Frontier
sáb. 1/317:11 am
ORD
-
CUN
Nonstop4h 08m
Frontier
Deal found 1/21$203
This United Airlines deal was found by Cheapflights users on 1/19. 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.
jue. 2/193:18 pm
CUN
-
STL
1 stop7h 22m
United Airlines
lun. 2/236:55 pm
STL
-
CUN
2 stops15h 30m
United Airlines
Deal found 1/19$270
This Delta deal was found by Cheapflights users on 1/21. 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.
vie. 2/64:40 pm
CUN
-
MDW
1 stop6h 42m
Delta
lun. 2/912:46 pm
MDW
-
CUN
1 stop7h 25m
Delta
Deal found 1/21$280

Find flight deals from Cancún to Illinois

Keep the following information in mind while searching for Cancún to Illinois flight deals. Data was last updated enero 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$161
(Travelocity)

One-way from

$122
(Super.com)

Popular in

September

Cheapest in

February

Average price

$227

Good round-trip deal

$176 or less

Good one-way deal

$185 or less
Provider with most accurate pricing for Cancun-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-Chicago (CHI) flights.
Search Deals
From Cancun to Illinois
Search Deals
One-way flight from Cancun to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Cancun to Illinois.
Search Deals
Price to beat on a one-way flight from Cancun to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to Illinois 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 enero 21, 2026.
Use the filters below to find and compare flights from Cancún to Illinois that are best for you.

Fly from

Cancún

Fly to

Illinois

Route

Depart

Return

Price

CancúnChicago

CUN - ORD

CUNORD

Cancun

vie. 2/13

6:27 pm-9:37 pm

Nonstop4h 10m

Chicago O'Hare Intl

lun. 2/16

11:58 pm-3:01 pm

1 stop14h 03m

$212

CancúnChicago

CUN - ORD

CUNORD

Cancun

jue. 2/19

6:27 pm-9:37 pm

Nonstop4h 10m

Chicago O'Hare Intl

lun. 2/23

5:05 am-1:37 pm

1 stop7h 32m

$220

CancúnChicago

CUN - ORD

CUNORD

Cancun

mié. 2/4

11:40 am-2:49 pm

Nonstop4h 09m

Chicago O'Hare Intl

mar. 2/10

5:15 am-12:16 pm

1 stop6h 01m

$222

CancúnChicago

CUN - ORD

CUNORD

Cancun

jue. 2/19

4:45 pm-7:45 pm

Nonstop4h 00m

Chicago O'Hare Intl

lun. 2/23

7:34 am-12:30 pm

Nonstop3h 56m

$231

CancúnChicago

CUN - ORD

CUNORD

Cancun

vie. 2/6

3:18 pm-6:09 pm

Nonstop3h 51m

Chicago O'Hare Intl

lun. 2/9

7:34 am-12:30 pm

Nonstop3h 56m

$231

CancúnChicago

CUN - ORD

CUNORD

Cancun

mié. 2/11

3:18 pm-6:09 pm

Nonstop3h 51m

Chicago O'Hare Intl

dom. 2/15

9:15 pm-12:54 pm

1 stop14h 39m

$231

CancúnChicago

CUN - ORD

CUNORD

Cancun

vie. 2/13

4:51 pm-11:04 pm

1 stop7h 13m

Chicago O'Hare Intl

lun. 2/16

9:15 pm-11:25 am

1 stop13h 10m

$236

CancúnChicago

CUN - ORD

CUNORD

Cancun

mié. 2/4

2:44 pm-10:58 pm

1 stop9h 14m

Chicago O'Hare Intl

mar. 2/10

5:40 am-5:50 pm

1 stop11h 10m

$236

CancúnChicago

CUN - ORD

CUNORD

Cancun

vie. 2/20

5:55 pm-12:26 am

1 stop7h 31m

Chicago O'Hare Intl

mar. 2/24

10:33 am-3:33 pm

Nonstop4h 00m

$237

CancúnSt. Louis

CUN - STL

CUNSTL

Cancun

jue. 2/19

3:18 pm-9:05 pm

1 stop6h 47m

Lambert-St Louis

lun. 2/23

8:30 am-4:40 pm

1 stop7h 10m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 51 results
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Best time to book a flight from Cancún to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Cancún to Illinois (average of $78). Flying from Cancún to Illinois in June is currently the most expensive (average of $248). 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 CUN to IL?

Find hourly flight availability from Cancún to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 68% on flights from Cancún to Illinois by exploring options for tickets in the evening.

Weekly flight availability from Cancún to Illinois

Explore weekly flight availability from Cancún to Illinois. 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 enero 21, 2026.

The most flights from CUN to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated enero 21, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Cancún to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,191 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,174 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,364 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Cancún to Illinois. 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 from for flights from Cancún to Illinois?

    Cancun (CUN), located 8.9 mi from the city center, is the airport you fly out of when you book flights from Cancún to Illinois.

  • How long is the flight from Cancún to Illinois?

    Airlines like Frontier, United Airlines, and Delta fly from Cancún to Illinois in about 4h. The time it takes to get you to your destination can typically vary by up to 6h 45m. The distance between Cancún and Illinois is about 1447 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Cancún to Illinois are Frontier ($112), Spirit Airlines ($112), and Southwest ($137).

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

    Most travelers choose Cancun - Chicago O'Hare Intl, Cancun - Chicago Midway or Cancun - Lambert-St Louis when deciding on the best route from Cancún to Illinois.

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

    Consider Qatar Airways (73%), Spirit Airlines (71%) or Frontier (70%) when booking your flight. These represent the most reliable airlines when flying from Cancún to Illinois.

  • What are the cheapest flights from Cancún to Illinois?

    Looking for the cheapest flight from Cancún to Illinois? While on average our users pay $328, our data indicates the cheapest price to be $113. The most popular route (Cancun - Chicago O'Hare Intl), is priced around $209.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Cancún to Illinois (average of $78). Flying from Cancún to Illinois in June is currently the most expensive (average of $248). 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

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Alternative routes for Cancún to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Cancún to Illinois

Discover the top 4 airlines that operate flights from Cancún to Illinois. 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 enero 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$191FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$147Average$292FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$209Average$325FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$271Average$310FlexibilityNo cancel feeOn-time71%

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