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 | $224 (Frontier) |
One-way from | $115 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $486 |
Good round-trip deal | $322 or less |
Good one-way deal | $136 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 1/18
5:33 am-6:47 pm
2 stops12h 14m
Cancun
Thu 1/22
12:35 pm-11:00 pm
1 stop11h 25m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Fri 1/23
7:05 am-8:00 pm
2 stops11h 55m
Cancun
Wed 1/28
11:18 am-11:00 pm
1 stop12h 42m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Fri 1/16
7:05 am-9:11 pm
1 stop13h 06m
Cancun
Thu 1/22
2:12 pm-11:00 pm
1 stop9h 48m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 11/16
5:23 am-1:55 pm
1 stop7h 32m
Cancun
Mon 11/17
4:15 pm-8:30 am
1 stop17h 15m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sat 1/17
11:05 am-9:11 pm
2 stops9h 06m
Cancun
Wed 1/21
4:20 pm-11:00 pm
1 stop7h 40m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Thu 1/8
12:34 am-1:47 pm
1 stop12h 13m
Cancun
Thu 1/15
12:15 pm-11:57 pm
1 stop12h 42m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 1/20
12:59 am-1:47 pm
1 stop11h 48m
Cancun
Wed 1/28
1:28 pm-11:57 pm
2 stops11h 29m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Fri 12/12
6:45 am-9:20 pm
2 stops13h 35m
Cancun
Sun 12/21
8:00 am-8:36 pm
2 stops13h 36m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 12/8
6:45 am-9:20 pm
2 stops13h 35m
Cancun
Thu 12/11
6:00 am-4:45 pm
2 stops11h 45m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Wed 1/28
12:59 am-11:44 am
1 stop9h 45m
Cancun
Tue 2/3
12:05 pm-11:57 pm
2 stops12h 52m
| 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 $132). 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 70% 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. Saturday 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 142 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 12% 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.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 6h 34m.
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
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Crew
Boarding
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$342 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$168 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$364 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$371 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$251 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$251 | Average$542 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$598 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$492 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$342 | Average$549 | FlexibilityNo cancel fee | On-time71% |