Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.
Frontier offers no in-flight entertainment; bring a book or pre-load your device.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $221 (Kiwi.com) |
One-way from | $158 (Kiwi.com) |
Popular in | September |
Cheapest in | July |
Average price | $451 |
Good round-trip deal | $199 or less |
Good one-way deal | $238 or less |
Fly from
Fly to
Route
Depart
Return
Price
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Fri 2/13
12:24 pm-2:58 pm
Nonstop4h 34m
Denver Intl
Mon 2/16
11:00 am-5:17 pm
Nonstop4h 17m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Thu 2/19
12:24 pm-2:58 pm
Nonstop4h 34m
Denver Intl
Mon 2/23
11:00 am-5:17 pm
Nonstop4h 17m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Sat 2/21
1:18 pm-11:17 pm
1 stop11h 59m
Denver Intl
Sat 2/28
8:24 pm-10:38 am
1 stop12h 14m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Mon 2/16
12:24 pm-2:58 pm
Nonstop4h 34m
Denver Intl
Mon 2/23
11:00 am-5:17 pm
Nonstop4h 17m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Sun 2/15
4:18 am-10:58 am
1 stop8h 40m
Denver Intl
Mon 2/23
12:29 pm-1:36 am
1 stop11h 07m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Sat 1/31
1:29 pm-1:36 pm
1 stop26h 07m
Denver Intl
Thu 2/5
12:29 pm-1:36 am
1 stop11h 07m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Thu 2/19
10:13 pm-10:58 am
1 stop14h 45m
Denver Intl
Wed 2/25
12:29 pm-1:36 am
1 stop11h 07m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Sat 2/21
1:18 pm-8:33 pm
1 stop9h 15m
Denver Intl
Sat 2/28
10:43 pm-9:56 am
2 stops33h 13m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Fri 2/13
12:24 pm-2:58 pm
Nonstop4h 34m
Denver Intl
Mon 2/16
6:00 am-3:28 pm
2 stops31h 28m
CancúnDenver
CUN - DEN
CUNDEN
Cancun
Wed 2/18
10:50 am-7:02 am
1 stop22h 12m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cancún to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Cancún to Denver (average of $140). Flying from Cancún to Denver in September is currently the most expensive (average of $313). 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.
When flying from Cancún to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 14% of weekly flights between Cancún and Denver have experienced delays in the past year, with the average delay time being 132 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Friday 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, Southwest have had the lowest number of delays on this route, with just 10% of flights being delayed.
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$446 | FlexibilityNo cancel fee | On-time63% |