Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.
Early check-in with Frontier can help secure your place onboard due to frequent overbooking.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $61 (Kiwi.com) |
One-way from | $28 (Kiwi.com) |
Popular in | May |
Cheapest in | September |
Average price | $125 |
Good round-trip deal | $189 or less |
Good one-way deal | $117 or less |
Fly from
Fly to
Route
Depart
Return
Price
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Fri 1/23
8:29 pm-9:18 pm
Nonstop1h 49m
Denver Intl
Sun 1/25
5:05 pm-7:44 pm
Nonstop1h 39m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Fri 1/16
8:30 pm-9:19 pm
Nonstop1h 49m
Denver Intl
Sun 1/18
5:07 pm-7:45 pm
Nonstop1h 38m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Fri 1/9
11:46 am-3:58 am
1 stop17h 12m
Denver Intl
Mon 1/12
5:08 pm-7:44 pm
Nonstop1h 36m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Sat 1/10
3:53 pm-4:42 pm
Nonstop1h 49m
Denver Intl
Tue 1/13
11:59 pm-5:35 pm
2 stops40h 36m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Sat 1/10
3:53 pm-4:42 pm
Nonstop1h 49m
Denver Intl
Tue 1/13
11:59 pm-5:35 pm
3 stops40h 36m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Thu 1/22
6:00 am-7:05 am
Nonstop2h 05m
Denver Intl
Sun 1/25
8:33 pm-11:24 pm
Nonstop1h 51m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Tue 1/20
6:00 am-7:05 am
Nonstop2h 05m
Denver Intl
Fri 1/23
10:00 am-12:58 pm
Nonstop1h 58m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Sun 2/8
6:00 am-7:05 am
Nonstop2h 05m
Denver Intl
Tue 2/10
8:33 pm-11:24 pm
Nonstop1h 51m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Fri 2/6
6:40 pm-10:40 pm
1 stop5h 00m
Denver Intl
Mon 2/9
5:30 am-2:25 pm
1 stop7h 55m
Oklahoma CityDenver
OKC - DEN
OKCDEN
Oklahoma City Will Rogers World
Fri 1/9
5:10 pm-6:20 pm
Nonstop2h 10m
Denver Intl
Mon 1/12
8:33 pm-11:24 pm
Nonstop1h 51m
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oklahoma City to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from Oklahoma City to Denver (average of $38). Flying from Oklahoma City to Denver in May is currently the most expensive (average of $81). 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 Oklahoma City to Denver at noon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Oklahoma City to Denver flight should consider departing on Monday at noon 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.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$128 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$281 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$257 | FlexibilityNo cancel fee | On-time63% |