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$91+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Delta)

One-way from

$91
(Frontier)

Popular in

July

Cheapest in

January

Average price

$376

Good round-trip deal

$603 or less

Good one-way deal

$348 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
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 10/36:55 pmPWM - DEN
1 stop6h 52mDelta
Mon 10/612:59 amDEN - PWM
1 stop8h 40mDelta
Deal found 2/20$257
This American Airlines deal was found by Cheapflights users on 2/18. 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 4/296:00 amPWM - DEN
1 stop7h 01mAmerican Airlines
Mon 5/1212:19 pmDEN - PWM
2 stops8h 27mAmerican Airlines
Deal found 2/18$262
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/195:42 amPWM - COS
2 stops12h 04mAmerican Airlines
Wed 3/267:15 amCOS - PWM
2 stops13h 29mAmerican Airlines
Deal found 2/18$267
This JetBlue deal was found by Cheapflights users on 2/19. 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.
Thu 5/13:20 pmPWM - DEN
1 stop9h 38mJetBlue
Mon 5/511:40 amDEN - PWM
1 stop8h 17mJetBlue
Deal found 2/19$272
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:48 pmPWM - DEN
1 stop31h 56mFrontier
Mon 3/36:05 amDEN - PWM
1 stop25h 13mFrontier
Deal found 2/19$276
This Southwest deal was found by Cheapflights users on 2/18. 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.
Wed 3/196:00 amPWM - COS
1 stop8h 35mSouthwest
Wed 3/2610:55 amCOS - PWM
1 stop10h 05mSouthwest
Deal found 2/18$302
This Sun Country Air deal was found by Cheapflights users on 2/20. 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.
Thu 7/3112:32 pmPWM - DEN
1 stop22h 47mSun Country Air
Sun 8/37:15 pmDEN - PWM
1 stop14h 20mSun Country Air
Deal found 2/20$330
This Southwest deal was found by Cheapflights users on 2/19. 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 4/145:50 amPWM - DEN
2 stops9h 15mSouthwest
Wed 4/166:05 amDEN - PWM
1 stop7h 15mSouthwest
Deal found 2/19$331
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/67:20 pmPWM - DEN
1 stop7h 10mUnited Airlines
Mon 3/1011:59 pmDEN - PWM
1 stop8h 38mUnited Airlines
Deal found 2/19$339
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/196:00 amPWM - COS
1 stop7h 37mUnited Airlines
Wed 3/261:45 pmCOS - PWM
2 stops8h 02mUnited Airlines
Deal found 2/18$352
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/307:35 amPWM - GJT
2 stops12h 23mAmerican Airlines
Tue 5/64:39 pmGJT - PWM
2 stops16h 58mAmerican Airlines
Deal found 2/19$422
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/266:00 amPWM - DRO
2 stops10h 45mUnited Airlines
Sat 5/37:00 amDRO - PWM
2 stops12h 16mUnited Airlines
Deal found 2/20$425

Find flights from Portland to Colorado within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Colorado

Route

Depart

Return

Price

PortlandDenver

PWM - DEN

PWMDEN

Portland

Tue 4/8

1:02 pm-5:12 pm

1 stop6h 10m

Denver Intl

Mon 4/14

6:05 am-2:19 pm

1 stop6h 14m

$257

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 4/2

2:21 pm-10:33 pm

2 stops10h 12m

Denver Intl

Sat 4/12

7:00 am-3:18 pm

1 stop6h 18m

$262

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 7/31

12:32 pm-9:19 am

1 stop22h 47m

Denver Intl

Sun 8/3

7:15 pm-11:35 am

1 stop14h 20m

$330

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 6/26

7:40 pm-11:40 pm

1 stop6h 00m

Denver Intl

Mon 6/30

7:35 pm-9:50 am

1 stop12h 15m

$333

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 8/6

7:15 pm-12:15 am

1 stop7h 00m

Denver Intl

Mon 8/18

11:55 pm-10:44 am

1 stop8h 49m

$360

PortlandDenver

PWM - DEN

PWMDEN

Portland

Fri 3/7

8:35 pm-9:02 am

1 stop14h 27m

Denver Intl

Sat 3/15

11:59 pm-10:15 am

1 stop8h 16m

$370

PortlandDurango

PWM - DRO

PWMDRO

Portland

Sat 4/26

6:00 am-2:45 pm

2 stops10h 45m

Durango La Plata County

Sat 5/3

7:00 am-9:16 pm

2 stops12h 16m

$425

PortlandGrand Junction

PWM - GJT

PWMGJT

Portland

Wed 4/30

7:35 am-5:58 pm

2 stops12h 23m

Grand Junction Regnl

Tue 5/6

4:39 pm-11:37 am

2 stops16h 58m

$447

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Sun 6/1

5:40 am-3:20 pm

2 stops11h 40m

Colorado Springs

Sat 6/14

6:00 am-6:25 pm

2 stops10h 25m

$472

PortlandDenver

PWM - DEN

PWMDEN

Portland

Mon 5/19

3:20 pm-10:58 pm

1 stop9h 38m

Denver Intl

Sun 5/25

11:40 am-11:19 pm

1 stop9h 39m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 31 results
1
2
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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.

Travel insights for flights from Portland to Colorado

Get recent, data-driven insights about flights from Portland to Colorado including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $91 on Frontier. Other airlines that offer cheap prices include Delta from $129 and American Airlines from $134 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 - Colorado Springs and Portland - Grand Junction Regnl.

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

    Looking at all options, your cheapest flight can be booked for $230. While the most popular route (Portland - Denver Intl) can be booked for $178 on average our data indicates $550 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$253FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$182Average$315FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$554FlexibilityNo cancel feeOn-time71%
DeltaCheapest$245Average$441FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$317Average$474FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$729FlexibilityNo cancel feeOn-time69%
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