
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $246 (Kiwi.com) |
One-way from | $113 (JetBlue) |
Popular in | February |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $410 or less |
Good one-way deal | $337 or less |
Fly from
Fly to
Route
Depart
Return
Price
PortlandDenver
PWM - DEN
PWMDEN
Portland
Wed 2/25
3:40 pm-9:42 pm
1 stop8h 02m
Denver Intl
Wed 3/4
6:59 am-3:08 pm
1 stop6h 09m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Sat 1/17
5:30 am-2:14 pm
2 stops10h 44m
Denver Intl
Wed 1/21
10:45 am-10:54 pm
2 stops10h 09m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 5/5
2:25 pm-9:46 pm
1 stop9h 21m
Denver Intl
Sat 5/9
9:40 am-3:35 pm
Nonstop3h 55m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 1/13
6:00 am-2:02 pm
1 stop10h 02m
Denver Intl
Sun 1/18
6:00 am-2:39 pm
1 stop6h 39m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Sat 1/24
3:05 pm-11:02 pm
1 stop9h 57m
Denver Intl
Sun 2/1
6:00 am-2:39 pm
1 stop6h 39m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Sun 1/11
3:42 pm-11:02 pm
1 stop9h 20m
Denver Intl
Sat 1/17
7:45 am-6:54 pm
1 stop9h 09m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Thu 1/22
3:12 pm-11:02 pm
1 stop9h 50m
Denver Intl
Mon 1/26
11:59 pm-9:01 am
1 stop7h 02m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Wed 3/4
3:05 pm-9:58 pm
1 stop8h 53m
Denver Intl
Mon 3/9
11:59 pm-10:49 am
1 stop8h 50m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 1/6
12:45 pm-7:20 pm
1 stop8h 35m
Denver Intl
Wed 1/14
6:20 am-2:55 pm
1 stop6h 35m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Fri 2/27
12:17 pm-10:36 pm
2 stops12h 19m
Denver Intl
Wed 3/4
6:59 am-6:03 pm
1 stop9h 04m
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Colorado (average of $87). Flying from Portland, Maine to Colorado in August is currently the most expensive (average of $169). 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 typically best to fly out from Portland, Maine to Colorado in the evening. Doing so could potentially save you 52% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Portland, Maine to Colorado flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$341 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$254 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$641 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$443 | FlexibilityNo cancel fee | On-time63% |