Frontier’s UpFront Plus guarantees an empty middle seat for extra comfort.
Frontier offers no in-flight entertainment or Wi-Fi; bring a book or pre-load devices.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (Cheapflightsfares) |
One-way from | $41 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $279 |
Good round-trip deal | $118 or less |
Good one-way deal | $59 or less |
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
mié. 12/24
2:40 pm-6:00 pm
Nonstop2h 20m
Denver Intl
mié. 12/31
6:45 pm-8:15 pm
Nonstop2h 30m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
lun. 12/15
5:00 am-8:23 am
Nonstop2h 23m
Denver Intl
lun. 12/15
5:40 pm-7:17 pm
Nonstop2h 37m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
jue. 12/18
6:40 am-10:09 am
Nonstop2h 29m
Denver Intl
lun. 12/22
6:00 am-7:40 am
Nonstop2h 40m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
lun. 12/22
7:25 pm-10:52 pm
Nonstop2h 27m
Denver Intl
jue. 12/25
9:17 pm-10:55 pm
Nonstop2h 38m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
jue. 12/18
8:15 am-11:44 am
Nonstop2h 29m
Denver Intl
mar. 12/23
6:45 am-8:28 am
Nonstop2h 43m
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sáb. 2/21
5:15 pm-7:05 pm
Nonstop2h 50m
Denver Intl
sáb. 2/28
10:25 am-2:05 pm
Nonstop2h 40m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
jue. 12/4
3:09 pm-6:32 pm
Nonstop2h 23m
Denver Intl
dom. 12/7
7:28 pm-9:04 pm
Nonstop2h 36m
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
lun. 12/8
7:00 am-7:24 pm
1 stop11h 24m
Denver Intl
lun. 12/15
6:59 pm-11:48 pm
1 stop5h 49m
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
mar. 12/9
2:50 pm-11:59 pm
1 stop8h 09m
Denver Intl
lun. 12/15
6:59 pm-11:48 pm
1 stop5h 49m
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
jue. 12/4
7:00 am-7:24 pm
1 stop11h 24m
Denver Intl
lun. 12/8
6:59 pm-8:06 am
1 stop14h 07m
Currently, March is the cheapest month in which you can book a flight from USA to Denver (average of $36). Flying from USA to Denver in July is currently the most expensive (average of $96). 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 22% on flights from USA to Denver by exploring options for tickets in the evening.
Travelers seeking maximum savings on their USA to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from US0 to DEN are scheduled on a Thursday (96 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Entertainment
Food
Crew
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$100 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$112 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$294 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$137 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$138 | Average$347 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$155 | Average$305 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$331 | FlexibilityNo cancel fee | On-time75% |