Spirit's Big Front Seats offer wider seats with 11 inches more legroom.
Spirit's Wi-Fi is available for browsing and streaming at a cost.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $214 (Cheapflightsfares) |
One-way from | $98 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $513 |
Good round-trip deal | $309 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
Wed 1/21
5:40 am-3:59 pm
1 stop9h 19m
Cancun
Wed 1/28
4:47 pm-7:47 pm
Nonstop4h 00m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 2/15
1:11 am-8:02 pm
1 stop17h 51m
Cancun
Wed 2/18
6:01 am-12:55 pm
1 stop7h 54m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Fri 2/6
7:05 am-8:02 pm
2 stops11h 57m
Cancun
Sat 2/14
6:01 am-12:55 pm
1 stop7h 54m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 2/8
6:15 am-6:47 pm
2 stops11h 32m
Cancun
Wed 2/11
11:18 am-11:00 pm
1 stop12h 42m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 2/8
5:30 am-6:47 pm
2 stops12h 17m
Cancun
Fri 2/13
1:33 pm-11:00 pm
1 stop10h 27m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Tue 2/17
5:25 am-8:02 pm
2 stops13h 37m
Cancun
Wed 2/25
1:33 pm-11:00 pm
1 stop10h 27m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sat 2/7
7:05 am-8:02 pm
2 stops11h 57m
Cancun
Sat 2/14
3:35 pm-11:00 pm
1 stop8h 25m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Mon 2/9
7:05 am-8:02 pm
2 stops11h 57m
Cancun
Sat 2/14
4:20 pm-11:00 pm
1 stop7h 40m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sat 3/7
10:35 am-9:11 pm
2 stops9h 36m
Cancun
Wed 3/11
11:22 am-12:13 am
1 stop12h 51m
ChicagoCancún
ORD - CUN
ORDCUN
Chicago O'Hare Intl
Sun 2/22
6:30 am-4:45 pm
2 stops9h 15m
Cancun
Thu 2/26
11:18 am-11:00 pm
1 stop12h 42m
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Chicago to Cancún (average of $138). Flying from Chicago to Cancún in July is currently the most expensive (average of $218). 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.
It’s optimal to fly from Chicago to Cancún in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.
The most flights from CHI to CUN are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).
Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago 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.
About 13% of weekly flights between Chicago and Cancún have experienced delays in the past year, with the average delay time being 143 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.
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Boarding
Food
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$161 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$2,010 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$359 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$171 | Average$349 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$188 | Average$446 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$417 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$255 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$549 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$339 | Average$545 | FlexibilityNo cancel fee | On-time71% |