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$109+ Cheap flights from Colorado to Portland, ME (PWM)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Colorado to Portland

Keep the following information in mind while searching for Colorado to Portland flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$268
(Delta)

One-way from

$109
(Delta)

Popular in

July

Cheapest in

November

Average price

$420

Good round-trip deal

$587 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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From Colorado to Portland
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One-way flight from Colorado to Portland
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Highest demand for flights based on searches. 8% potential increase in price ($44 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 May 2025
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Price to beat on a round-trip flight from Colorado to Portland.
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Price to beat on a one-way flight from Colorado to Portland.
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Find flight deals from Colorado to Portland

Cheapest flights from Colorado to Portland
Explore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 6/253:10 pmDEN - PWM
1 stop7h 16mDelta
Mon 6/302:34 pmPWM - DEN
1 stop10h 12mDelta
Deal found 4/30$268
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/39:55 amDEN - PWM
Nonstop3h 57mUnited Airlines
Wed 9/103:35 pmPWM - DEN
Nonstop4h 25mUnited Airlines
Deal found 4/30$269
This JetBlue deal was found by Cheapflights users on 4/30. 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 9/2411:30 amDEN - PWM
1 stop8h 29mJetBlue
Mon 9/292:15 pmPWM - DEN
1 stop10h 44mJetBlue
Deal found 4/30$270
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1412:30 amDEN - PWM
1 stop17h 59mFrontier
Sun 5/188:23 pmPWM - DEN
1 stop13h 55mFrontier
Deal found 4/30$271
This Southwest deal was found by Cheapflights users on 4/30. 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 8/2011:40 pmDEN - PWM
1 stop8h 10mSouthwest
Sun 8/247:55 pmPWM - DEN
1 stop6h 10mSouthwest
Deal found 4/30$273
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/1212:06 pmDEN - PWM
1 stop8h 39mAmerican Airlines
Mon 5/194:33 pmPWM - DEN
2 stops9h 26mAmerican Airlines
Deal found 4/30$274
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/1612:01 pmCOS - PWM
1 stop8h 45mAmerican Airlines
Wed 9/246:00 amPWM - COS
1 stop7h 29mAmerican Airlines
Deal found 4/30$277
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 9/166:00 amCOS - PWM
2 stops8h 58mDelta
Wed 9/246:00 amPWM - COS
1 stop8h 57mDelta
Deal found 4/30$282
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:00 pmDEN - PWM
1 stop14h 57mSun Country Air
Thu 8/1412:32 pmPWM - DEN
1 stop7h 29mSun Country Air
Deal found 4/30$325
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/235:55 amGJT - PWM
1 stop9h 35mAmerican Airlines
Tue 9/309:25 amPWM - GJT
1 stop8h 32mAmerican Airlines
Deal found 4/30$329
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/312:04 pmCOS - PWM
1 stop7h 52mUnited Airlines
Wed 6/116:00 amPWM - COS
1 stop7h 08mUnited Airlines
Deal found 4/30$397
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.
Sat 8/95:55 amGJT - PWM
2 stops13h 46mDelta
Fri 8/2212:50 pmPWM - GJT
2 stops11h 40mDelta
Deal found 4/29$424

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Portland 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 May 1, 2025.
Use the filters below to find and compare flights from Colorado to Portland that are best for you.

Fly from

Colorado

Fly to

Portland

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 6/25

3:10 pm-12:26 am

1 stop7h 16m

Portland

Mon 6/30

2:34 pm-10:46 pm

1 stop10h 12m

$268

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 9/3

9:55 am-3:52 pm

Nonstop3h 57m

Portland

Wed 9/10

3:35 pm-6:00 pm

Nonstop4h 25m

$269

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 9/24

11:30 am-9:59 pm

1 stop8h 29m

Portland

Mon 9/29

2:15 pm-10:59 pm

1 stop10h 44m

$270

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 5/14

12:30 am-8:29 pm

1 stop17h 59m

Portland

Sun 5/18

8:23 pm-8:18 am

1 stop13h 55m

$271

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 8/20

11:40 pm-9:50 am

1 stop8h 10m

Portland

Sun 8/24

7:55 pm-12:05 am

1 stop6h 10m

$273

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 5/12

12:06 pm-10:45 pm

1 stop8h 39m

Portland

Mon 5/19

4:33 pm-11:59 pm

2 stops9h 26m

$274

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Thu 8/7

7:00 pm-11:57 am

1 stop14h 57m

Portland

Thu 8/14

12:32 pm-6:01 pm

1 stop7h 29m

$325

Grand JunctionPortland

GJT - PWM

GJTPWM

Grand Junction Regnl

Tue 9/23

5:55 am-5:30 pm

1 stop9h 35m

Portland

Tue 9/30

9:25 am-3:57 pm

1 stop8h 32m

$329

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Tue 6/3

10:34 am-11:05 pm

2 stops10h 31m

Portland

Wed 6/11

6:33 pm-11:55 pm

1 stop7h 22m

$337

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Tue 6/3

12:04 pm-9:56 pm

1 stop7h 52m

Portland

Wed 6/11

6:00 am-11:08 am

1 stop7h 08m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 34 results
1
2
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4

Best time to book a flight from Colorado to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Colorado 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 Colorado to Portland

What is the cheapest month to book a flight from Colorado to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Colorado to Portland, Maine (average of $296). Flying from Colorado to Portland, Maine in May is currently the most expensive (average of $405). 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 CO to PWM?

Find hourly flight availability from Colorado to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Portland, Maine as you normally would.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Breeze Airways, Southwest and Delta from Colorado to Portland. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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
160 reviews
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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
4,294 reviews
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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
7,934 reviews
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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
8,696 reviews
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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
2,922 reviews
Breeze Airways
8.1
Very good
160 reviews

Food

6.7

Boarding

8.3

Crew

8.8

Entertainment

6.6

Comfort

8.2

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 Colorado to Portland. 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 into for flights to Portland from Colorado?

    Located just 2.9 mi from the city center, Portland (PWM) is the airport most travelers will use when flying to Portland from Colorado.

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

    $109 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Frontier and Sun Country Air, with prices starting from $130 and $140, respectively.

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

    While some choose either Grand Junction Regnl - Portland or Colorado Springs - Portland, Denver Intl - Portland is the most popular route from Colorado to Portland, Maine.

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

    Looking at all options, your cheapest flight can be booked for $205. While the most popular route (Denver Intl - Portland) can be booked for $217 on average our data indicates $778 when flying from Colorado to Portland, Maine.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Portland 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 Colorado to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Portland, Maine (average of $296). Flying from Colorado to Portland, Maine in May is currently the most expensive (average of $405). 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

Traveling to a place near Colorado?

Book flights to Colorado if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Top 6 airlines flying from Colorado to Portland

Discover the top 6 airlines that operate flights from Colorado to Portland. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$255FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$278FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$262Average$489FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$441FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$294Average$706FlexibilityNo cancel feeOn-time69%

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