
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $215 (JetBlue) |
One-way from | $113 (Expedia) |
Popular in | June |
Cheapest in | October |
Average price | $403 |
Good round-trip deal | $531 or less |
Good one-way deal | $191 or less |
Fly from
Fly to
Route
Depart
Return
Price
PortlandDenver
PWM - DEN
PWMDEN
Portland
Mon 7/20
2:18 pm-11:01 pm
1 stop10h 43m
Denver Intl
Tue 8/4
11:05 am-11:36 pm
1 stop10h 31m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 2/24
5:45 am-12:35 pm
1 stop8h 50m
Denver Intl
Tue 3/3
6:20 am-2:55 pm
1 stop6h 35m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 2/24
5:40 pm-10:37 pm
1 stop6h 57m
Denver Intl
Wed 3/4
7:00 am-5:07 pm
1 stop8h 07m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Fri 2/27
5:40 pm-10:37 pm
1 stop6h 57m
Denver Intl
Wed 3/4
8:00 am-5:07 pm
1 stop7h 07m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 3/3
2:35 pm-10:21 pm
1 stop9h 46m
Denver Intl
Tue 3/10
12:51 pm-11:59 pm
1 stop9h 08m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 3/3
12:43 pm-8:28 pm
1 stop9h 45m
Denver Intl
Wed 3/11
6:10 am-4:06 pm
1 stop7h 56m
PortlandColorado Springs
PWM - COS
PWMCOS
Portland
Wed 4/1
6:17 am-11:56 am
1 stop7h 39m
Colorado Springs
Wed 4/8
12:21 pm-11:10 pm
1 stop8h 49m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Thu 6/11
6:25 pm-11:37 pm
1 stop7h 12m
Denver Intl
Sun 6/14
11:59 pm-10:02 am
1 stop8h 03m
PortlandDenver
PWM - DEN
PWMDEN
Portland
Thu 2/26
4:50 pm-9:50 pm
1 stop7h 00m
Denver Intl
Mon 3/2
5:30 am-3:15 pm
1 stop7h 45m
PortlandMontrose
PWM - MTJ
PWMMTJ
Portland
Tue 3/10
5:23 am-12:49 pm
1 stop9h 26m
Montrose County
Mon 3/16
1:44 pm-11:22 pm
1 stop7h 38m
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.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$341 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$638 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$409 | FlexibilityNo cancel fee | On-time63% |