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$129+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$287
(Delta)

One-way from

$129
(Delta)

Popular in

July

Cheapest in

January

Average price

$380

Good round-trip deal

$585 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Portland-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
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From Portland to Colorado
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One-way flight from Portland to Colorado
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Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portland to Colorado.
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Price to beat on a one-way flight from Portland to Colorado.
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Find flight deals from Portland to Colorado

Cheapest flights from Portland to Colorado
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 17, 2025.

This deal was found by Cheapflights users on 4/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:12 amPWM - DEN
1 stop8h 31mJetBlue
Wed 5/142:38 pmDEN - PWM
1 stop6h 22mJetBlue
Deal found 4/15$270
This Delta deal was found by Cheapflights users on 4/16. 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.
Thu 10/2312:30 pmPWM - DEN
1 stop9h 50mDelta
Sun 10/2611:59 pmDEN - PWM
1 stop7h 33mDelta
Deal found 4/16$273
This Booking.com deal was found by Cheapflights users on 4/16. 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.
Thu 5/159:29 pmPWM - DEN
1 stop28h 00mFrontier
Sun 5/189:13 amDEN - PWM
1 stop8h 20mFrontier
Deal found 4/16$280
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 10/35:18 pmPWM - DEN
1 stop6h 26mAmerican Airlines
Tue 10/711:59 pmDEN - PWM
1 stop9h 22mAmerican Airlines
Deal found 4/17$289
This Southwest deal was found by Cheapflights users on 4/16. 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.
Sat 9/65:45 amPWM - DEN
2 stops10h 15mSouthwest
Sun 9/1411:40 pmDEN - PWM
1 stop8h 10mSouthwest
Deal found 4/16$302
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 5/212:37 pmPWM - COS
2 stops10h 59mUnited Airlines
Tue 5/612:55 pmCOS - PWM
1 stop6h 21mUnited Airlines
Deal found 4/17$322
This Sun Country Air deal was found by Cheapflights users on 4/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:58 pmPWM - DEN
1 stop22h 21mSun Country Air
Sat 6/2111:03 amDEN - PWM
1 stop22h 32mSun Country Air
Deal found 4/16$335
This American Airlines deal was found by Cheapflights users on 4/15. 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 6/107:02 amPWM - EGE
2 stops13h 38mAmerican Airlines
Tue 6/178:15 amEGE - PWM
1 stop7h 28mAmerican Airlines
Deal found 4/15$354
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 9/63:35 pmPWM - DEN
Nonstop4h 25mUnited Airlines
Fri 9/1211:59 pmDEN - PWM
1 stop8h 04mUnited Airlines
Deal found 4/15$359
This American Airlines deal was found by Cheapflights users on 4/16. 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 4/3012:15 pmPWM - GJT
2 stops10h 49mAmerican Airlines
Tue 5/64:39 pmGJT - PWM
2 stops16h 53mAmerican Airlines
Deal found 4/16$505
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/243:28 pmPWM - DRO
1 stop8h 47mUnited Airlines
Sat 5/311:40 pmDRO - PWM
2 stops8h 17mUnited Airlines
Deal found 4/16$516
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 6/62:49 pmPWM - DRO
2 stops11h 19mAmerican Airlines
Fri 6/206:03 amDRO - PWM
1 stop9h 40mAmerican Airlines
Deal found 4/16$535

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 17, 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

Wed 5/7

7:12 am-1:43 pm

1 stop8h 31m

Denver Intl

Wed 5/14

2:38 pm-11:00 pm

1 stop6h 22m

$270

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 5/15

9:29 pm-11:29 pm

1 stop28h 00m

Denver Intl

Sun 5/18

9:13 am-7:33 pm

1 stop8h 20m

$280

PortlandDenver

PWM - DEN

PWMDEN

Portland

Tue 5/6

1:00 pm-5:07 pm

1 stop6h 07m

Denver Intl

Tue 5/13

12:31 pm-12:14 am

1 stop9h 43m

$287

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 5/14

5:30 am-10:17 am

1 stop6h 47m

Denver Intl

Tue 5/20

6:00 am-1:56 pm

1 stop5h 56m

$289

PortlandDenver

PWM - DEN

PWMDEN

Portland

Tue 6/3

4:33 pm-11:59 pm

2 stops9h 26m

Denver Intl

Tue 6/10

6:00 am-5:43 pm

1 stop9h 43m

$294

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 5/2

12:37 pm-9:36 pm

2 stops10h 59m

Colorado Springs

Tue 5/6

12:55 pm-9:16 pm

1 stop6h 21m

$322

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 6/12

7:40 pm-11:40 pm

1 stop6h 00m

Denver Intl

Mon 6/16

1:50 pm-12:05 am

2 stops8h 15m

$323

PortlandDenver

PWM - DEN

PWMDEN

Portland

Sat 6/14

12:58 pm-9:19 am

1 stop22h 21m

Denver Intl

Sat 6/21

11:03 am-11:35 am

1 stop22h 32m

$335

PortlandVail

PWM - EGE

PWMEGE

Portland

Tue 6/10

7:02 am-6:40 pm

2 stops13h 38m

Vail Eagle County

Tue 6/17

8:15 am-5:43 pm

1 stop7h 28m

$354

PortlandGrand Junction

PWM - GJT

PWMGJT

Portland

Wed 4/30

12:15 pm-9:04 pm

2 stops10h 49m

Grand Junction Regnl

Tue 5/6

4:39 pm-11:32 am

2 stops16h 53m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 33 results
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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 17, 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 17, 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.
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
158 reviews
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,280 reviews
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,916 reviews
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,667 reviews
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,926 reviews
Breeze Airways
8.1
Very good
158 reviews

Boarding

8.3

Comfort

8.2

Crew

8.8

Entertainment

6.6

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What airport do you fly from for flights from Portland to Colorado?

    If you book a flight to Colorado from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

  • How popular is this Portland, Maine to Colorado flight route?

    Flights from Portland to Colorado have been viewed 1 times in the past calendar month.

  • What are the cheapest airlines to fly from Portland, Maine to Colorado one-way?

    One-way options have recently been found by users for as low as $129 on Delta. Other airlines that offer cheap prices include American Airlines from $139 and Frontier from $146 one-way.

  • What are the most popular routes from Portland, Maine to Colorado?

    The most popular flight routes from Portland, Maine to Colorado are Portland - Denver Intl, Portland - Grand Junction Regnl and Portland - Colorado Springs.

  • What are the cheapest flights from Portland, Maine to Colorado?

    Looking at all options, your cheapest flight can be booked for $263. While the most popular route (Portland - Denver Intl) can be booked for $247 on average our data indicates $497 when flying from Portland, Maine to Colorado.

  • Can I find deals for flights from Portland to Colorado that include hotel bookings?

    Yes. In addition to deals on Portland to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Colorado.

  • Can I find deals for business class flights from Portland to Colorado?

    Yes. Cheapflights offers flight deals from Portland to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$256FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$315FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$462FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$316Average$455FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$718FlexibilityNo cancel feeOn-time69%

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