$114+ Cheap flights from Portland, ME (PWM) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
May 4 — May 111
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Colorado
Keep the following information in mind while searching for Portland to Colorado flight deals. Data was last updated April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $114 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $386 |
Good round-trip deal | $603 or less |
Good one-way deal | $273 or less |
Find flight deals from Portland to Colorado
Cheapest flights from Portland to ColoradoExplore the most affordable flight options available from Portland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
Explore the most affordable flight options available from Portland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:14 pmPWM - DEN
2 stops10h 08mAmerican Airlines
Sat 8/169:41 amDEN - PWM
2 stops10h 04mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:37 pmPWM - DEN
Nonstop4h 38mUnited Airlines
Sun 8/176:01 amDEN - PWM
1 stop6h 22mUnited Airlines
Deal found 4/29![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:05 pmPWM - COS
2 stops11h 40mAmerican Airlines
Tue 5/1310:34 amCOS - PWM
2 stops11h 21mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:53 pmPWM - DEN
1 stop7h 27mDelta
Mon 8/116:40 amDEN - PWM
1 stop8h 28mDelta
Deal found 4/29![Delta logo]()
$308
This JetBlue deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:12 amPWM - DEN
1 stop8h 31mJetBlue
Sat 5/312:38 pmDEN - PWM
1 stop6h 21mJetBlue
Deal found 4/28![JetBlue logo]()
$310
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:25 amPWM - DRO
1 stop8h 35mAmerican Airlines
Wed 9/178:10 amDRO - PWM
2 stops13h 35mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$324
This Booking.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:23 pmPWM - DEN
1 stop23h 35mFrontier
Sat 5/1012:30 amDEN - PWM
1 stop17h 03mFrontier
Deal found 4/28![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:50 amPWM - COS
2 stops12h 25mSouthwest
Sun 6/14:10 pmCOS - PWM
1 stop6h 05mSouthwest
Deal found 4/29![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:40 amPWM - DEN
2 stops8h 45mSouthwest
Mon 8/115:20 amDEN - PWM
1 stop5h 55mSouthwest
Deal found 4/29![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/235:55 amPWM - GJT
2 stops12h 06mAmerican Airlines
Sat 7/266:09 amGJT - PWM
2 stops12h 23mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:20 pmPWM - COS
1 stop7h 40mUnited Airlines
Tue 5/1310:40 amCOS - PWM
2 stops10h 47mUnited Airlines
Deal found 4/29![United Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:35 pmPWM - DRO
1 stop7h 01mUnited Airlines
Sun 10/197:15 amDRO - PWM
1 stop6h 33mUnited Airlines
Deal found 4/29![United Airlines logo]()
$470
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Portland to Colorado that are best for you.
Fly from
Portland
Fly to
Colorado
Route
Depart
Return
Price
PortlandDenver
PWM - DEN
PWMDEN
Portland
Tue 8/12
12:14 pm-8:22 pm
2 stops10h 08m
Denver Intl
Sat 8/16
9:41 am-9:45 pm
2 stops10h 04m
$299
PortlandDenver
PWM - DEN
PWMDEN
Portland
Wed 8/13
3:37 pm-6:15 pm
Nonstop4h 38m
Denver Intl
Sun 8/17
6:01 am-2:23 pm
1 stop6h 22m
$304
PortlandDenver
PWM - DEN
PWMDEN
Portland
Mon 8/4
6:53 pm-12:20 am
1 stop7h 27m
Denver Intl
Mon 8/11
6:40 am-5:08 pm
1 stop8h 28m
$308
PortlandDenver
PWM - DEN
PWMDEN
Portland
Sun 5/25
7:12 am-1:43 pm
1 stop8h 31m
Denver Intl
Sat 5/31
2:38 pm-10:59 pm
1 stop6h 21m
$310
PortlandDurango
PWM - DRO
PWMDRO
Portland
Wed 9/3
9:25 am-4:00 pm
1 stop8h 35m
Durango La Plata County
Wed 9/17
8:10 am-11:45 pm
2 stops13h 35m
$324
PortlandColorado Springs
PWM - COS
PWMCOS
Portland
Fri 5/30
5:50 am-4:15 pm
2 stops12h 25m
Colorado Springs
Sun 6/1
4:10 pm-12:15 am
1 stop6h 05m
$337
PortlandDenver
PWM - DEN
PWMDEN
Portland
Mon 8/4
5:40 am-12:25 pm
2 stops8h 45m
Denver Intl
Mon 8/11
5:20 am-1:15 pm
1 stop5h 55m
$342
PortlandDenver
PWM - DEN
PWMDEN
Portland
Sat 5/24
4:57 pm-11:31 pm
1 stop8h 34m
Denver Intl
Fri 6/6
12:20 am-6:02 pm
1 stop15h 42m
$369
PortlandGrand Junction
PWM - GJT
PWMGJT
Portland
Wed 7/23
5:55 am-4:01 pm
2 stops12h 06m
Grand Junction Regnl
Sat 7/26
6:09 am-8:32 pm
2 stops12h 23m
$374
PortlandColorado Springs
PWM - COS
PWMCOS
Portland
Wed 6/18
6:33 pm-11:55 pm
1 stop7h 22m
Colorado Springs
Sun 6/22
6:01 am-5:43 pm
1 stop9h 42m
$388
Showing 1-10 of 37 results
Best time to book a flight from Portland to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Colorado
What is the cheapest month to book a flight from Portland, Maine to Colorado?
Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Colorado (average of $197). Flying from Portland, Maine to Colorado in March is currently the most expensive (average of $278). 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.
What is the cheapest time of day to fly from PWM to CO?
Find hourly flight availability from Portland to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Colorado as you normally would.
Rainfall in Colorado by month
Plan your trip to Colorado by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.
Temperature in Colorado by month
Plan your trip to Colorado by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest and Delta from Portland to Colorado to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Food
6.7
Boarding
8.3
Overall
8.1
Comfort
8.2
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Related info for your journey
Find useful and relevant information for your journey from Portland to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Portland to Colorado
Discover the top 6 airlines that operate flights from Portland to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$315 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$454 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$328 | Average$681 | FlexibilityNo cancel fee | On-time69% |