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 | $221 (Gotogate) |
One-way from | $97 (Cheapflightsfares) |
Popular in | December |
Cheapest in | January |
Average price | $360 |
Good round-trip deal | $299 or less |
Good one-way deal | $127 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/2
5:30 am-4:35 pm
1 stop10h 05m
Cancun
Fri 2/6
6:01 am-12:55 pm
1 stop7h 54m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 2/22
6:15 am-8:02 pm
2 stops12h 47m
Cancun
Wed 2/25
3:10 pm-11:00 pm
1 stop8h 50m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/2
6:50 am-9:11 pm
2 stops13h 21m
Cancun
Sat 2/14
11:00 am-8:44 pm
2 stops10h 44m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/9
7:05 am-9:11 pm
1 stop13h 06m
Cancun
Sat 2/14
8:00 am-8:44 pm
2 stops13h 44m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sat 2/21
5:25 am-6:47 pm
2 stops12h 22m
Cancun
Fri 2/27
6:01 am-12:55 pm
1 stop7h 54m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 2/10
7:05 am-8:02 pm
2 stops11h 57m
Cancun
Fri 2/13
4:20 pm-11:00 pm
1 stop7h 40m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/9
5:30 am-8:02 pm
2 stops13h 32m
Cancun
Fri 2/13
3:10 pm-11:00 pm
1 stop8h 50m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 2/10
7:05 am-8:02 pm
2 stops11h 57m
Cancun
Wed 2/18
1:33 pm-11:00 pm
1 stop10h 27m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 1/25
6:15 am-6:47 pm
2 stops11h 32m
Cancun
Tue 2/3
12:50 pm-9:30 pm
1 stop9h 40m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 3/2
6:45 am-8:02 pm
2 stops12h 17m
Cancun
Sat 3/7
8:00 am-4:54 pm
1 stop9h 54m
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 5 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cancún (average of $144). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Cancún as you normally would.
About 16% of weekly flights between Chicago and Cancún have experienced delays in the past year, with the average delay time being 148 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.
Atlanta (ATL) – chosen by Cheapflights users on 38% 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 $345.
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.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$352 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$129 | Average$335 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$140 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$417 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$552 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$387 | FlexibilityNo cancel fee | On-time67% |