Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on medium-haul flights.
Spirit's Economy Plus Bundle includes both carry-on and check-in bags, saving costs on extras.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $216 (Booking.com) |
One-way from | $103 (Booking.com) |
Popular in | December |
Cheapest in | January |
Average price | $478 |
Good round-trip deal | $302 or less |
Good one-way deal | $128 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Wed 12/3
5:30 am-3:33 pm
1 stop9h 03m
Cancun
Tue 12/9
8:49 am-10:41 pm
1 stop14h 52m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 12/8
5:30 am-2:05 pm
1 stop7h 35m
Cancun
Fri 12/12
12:20 pm-10:41 pm
1 stop11h 21m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 1/19
12:59 am-12:42 pm
1 stop10h 43m
Cancun
Thu 1/29
4:15 pm-11:00 pm
1 stop7h 45m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 1/18
12:59 am-5:38 pm
1 stop15h 39m
Cancun
Mon 1/26
11:15 am-11:00 pm
1 stop12h 45m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/16
1:11 am-11:54 am
1 stop9h 43m
Cancun
Tue 2/24
6:01 am-12:55 pm
1 stop7h 54m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 2/17
1:11 am-1:47 pm
1 stop11h 36m
Cancun
Wed 2/25
12:42 pm-11:00 pm
1 stop11h 18m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 2/3
12:59 am-1:47 pm
1 stop11h 48m
Cancun
Wed 2/18
1:33 pm-11:00 pm
1 stop10h 27m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 1/12
12:59 am-11:44 am
1 stop9h 45m
Cancun
Wed 1/21
2:17 pm-11:00 pm
1 stop9h 43m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 1/19
12:59 am-8:00 pm
1 stop18h 01m
Cancun
Mon 1/26
11:15 am-11:00 pm
1 stop12h 45m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 12/7
8:55 am-9:20 pm
2 stops11h 25m
Cancun
Fri 12/12
2:30 pm-10:41 pm
1 stop9h 11m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Chicago O'Hare Intl Airport to Cancún is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cancún (average of $134). Flying from Chicago O'Hare Intl Airport 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 73% on flights from Chicago O'Hare Intl Airport to Cancún by exploring options for tickets at noon.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Cancún flight should consider departing on Monday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 14% of weekly flights between Chicago and Cancún have experienced delays in the past year, with the average delay time being 145 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Monterrey (MTY) – chosen by Cheapflights users on 36% of 1-stop itineraries from Chicago O'Hare Intl Airport to Cancún on Cheapflights.
Monterrey (MTY) is the most affordable 1-stop option, with an average round-trip price of $344.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 6h 34m.
Flights via Mexico City (MEX) offer the fastest connection on this route, with an average layover time of 1h 48m.
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Crew
Overall
Food
Entertainment
Boarding
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$161 | Average$344 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$168 | Average$410 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$367 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$371 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$251 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$590 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$429 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$341 | Average$550 | FlexibilityNo cancel fee | On-time71% |