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Colorado

$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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$294
(American Airlines)

One-way from

$134
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$498

Good round-trip deal

$473 or less

Good one-way deal

$273 or less
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. 7% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 11/812:50 pmPWM - COS
2 stops11h 39mDelta
Wed 11/121:40 pmCOS - PWM
1 stop8h 24mDelta
Deal found 6/10$282
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/39:18 amPWM - GJT
1 stop8h 43mAmerican Airlines
Wed 9/1012:22 pmGJT - PWM
2 stops9h 30mAmerican Airlines
Deal found 6/11$294
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/308:00 amPWM - DEN
2 stops10h 42mAmerican Airlines
Sat 9/65:44 amDEN - PWM
2 stops8h 55mAmerican Airlines
Deal found 6/12$299
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/171:02 pmPWM - DRO
2 stops8h 42mAmerican Airlines
Wed 9/248:15 amDRO - PWM
1 stop7h 30mAmerican Airlines
Deal found 6/10$304
This Sun Country Air deal was found by Cheapflights users on 6/10. 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.
Mon 7/1412:46 pmPWM - DEN
1 stop24h 36mSun Country Air
Fri 7/185:49 pmDEN - PWM
1 stop16h 26mSun Country Air
Deal found 6/10$305
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 11/94:55 pmPWM - DEN
1 stop6h 45mDelta
Sat 11/1510:30 amDEN - PWM
1 stop5h 10mDelta
Deal found 6/10$307
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/273:37 pmPWM - COS
1 stop7h 18mUnited Airlines
Tue 7/112:05 pmCOS - PWM
1 stop7h 56mUnited Airlines
Deal found 6/11$312
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/97:15 pmPWM - DEN
1 stop7h 15mUnited Airlines
Sat 7/123:54 pmDEN - PWM
1 stop6h 05mUnited Airlines
Deal found 6/10$314
This Southwest deal was found by Cheapflights users on 6/12. 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.
Thu 7/315:40 amPWM - DEN
2 stops8h 45mSouthwest
Thu 8/711:40 pmDEN - PWM
1 stop8h 10mSouthwest
Deal found 6/12$319
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/246:33 pmPWM - COS
1 stop7h 22mAmerican Airlines
Tue 7/85:00 amCOS - PWM
2 stops10h 10mAmerican Airlines
Deal found 6/10$343
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Sat 8/301:41 pmPWM - DEN
1 stop20h 21mFrontier
Fri 9/512:04 amDEN - PWM
1 stop15h 13mFrontier
Deal found 6/12$350
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Wed 6/252:19 pmPWM - DEN
1 stop10h 40mJetBlue
Tue 7/111:25 amDEN - PWM
1 stop10h 27mJetBlue
Deal found 6/10$385

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 June 12, 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

PortlandGrand Junction

PWM - GJT

PWMGJT

Portland

Wed 9/3

9:18 am-4:01 pm

1 stop8h 43m

Grand Junction Regnl

Wed 9/10

12:22 pm-11:52 pm

2 stops9h 30m

$294

PortlandDenver

PWM - DEN

PWMDEN

Portland

Sat 8/30

8:00 am-4:42 pm

2 stops10h 42m

Denver Intl

Sat 9/6

5:44 am-4:39 pm

2 stops8h 55m

$299

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 6/26

3:37 pm-6:15 pm

Nonstop4h 38m

Denver Intl

Fri 7/4

11:54 pm-9:24 am

1 stop7h 30m

$304

PortlandDurango

PWM - DRO

PWMDRO

Portland

Wed 9/17

1:02 pm-7:44 pm

2 stops8h 42m

Durango La Plata County

Wed 9/24

8:15 am-5:45 pm

1 stop7h 30m

$304

PortlandDenver

PWM - DEN

PWMDEN

Portland

Mon 7/14

12:46 pm-11:22 am

1 stop24h 36m

Denver Intl

Fri 7/18

5:49 pm-12:15 pm

1 stop16h 26m

$305

PortlandDenver

PWM - DEN

PWMDEN

Portland

Sun 11/9

4:55 pm-9:40 pm

1 stop6h 45m

Denver Intl

Thu 11/13

11:59 pm-9:32 am

1 stop7h 33m

$307

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 6/27

3:37 pm-8:55 pm

1 stop7h 18m

Colorado Springs

Tue 7/1

12:05 pm-10:01 pm

1 stop7h 56m

$312

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 7/31

5:40 am-12:25 pm

2 stops8h 45m

Denver Intl

Thu 8/7

11:40 pm-9:50 am

1 stop8h 10m

$319

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Tue 6/24

6:33 pm-11:55 pm

1 stop7h 22m

Colorado Springs

Tue 7/8

5:00 am-5:10 pm

2 stops10h 10m

$343

PortlandDenver

PWM - DEN

PWMDEN

Portland

Sat 8/30

1:41 pm-8:02 am

1 stop20h 21m

Denver Intl

Fri 9/5

12:04 am-5:17 pm

1 stop15h 13m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 37 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 June 12, 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.

Weekly flight availability from Portland, Maine to Colorado

Explore weekly flight availability from Portland to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PWM to USCO are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 June 12, 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
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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
7,946 reviews
Breeze Airways
8.1
Very good
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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
2,925 reviews
Breeze Airways
8.1
Very good
178 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

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 $134 on JetBlue. Other airlines that offer cheap prices include Sun Country Air from $138 and Delta from $139 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 - Durango La Plata County 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 $206. While the most popular route (Portland - Denver Intl) can be booked for $247 on average our data indicates $1,008 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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Alternative routes for Portland to Colorado

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$260FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$226Average$315FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$410FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$450FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$322Average$680FlexibilityNo cancel feeOn-time69%

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