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$96+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Feb 26 — Mrz 51
Mi 2/26
Mi 3/5
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 Februar 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$140
(CheapOair)

One-way from

$112
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$501

Good round-trip deal

$588 or less

Good one-way deal

$348 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
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 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 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 Februar 21, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/712:46 amDEN - PWM
1 stop17h 43mFrontier
Mo 5/129:43 pmPWM - DEN
1 stop27h 47mFrontier
Deal found 2/19$140
This JetBlue Airways 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 5/911:40 amDEN - PWM
1 stop8h 17mJetBlue
Mi 5/143:20 pmPWM - DEN
1 stop9h 38mJetBlue
Deal found 2/20$227
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.
Di 8/1212:59 amDEN - PWM
1 stop8h 40mDelta
Di 8/262:35 pmPWM - DEN
1 stop10h 21mDelta
Deal found 2/20$257
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/135:00 amDEN - PWM
1 stop8h 20mAmerican Airlines
Di 8/268:18 amPWM - DEN
2 stops8h 32mAmerican Airlines
Deal found 2/20$262
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.
Mi 3/197:15 amCOS - PWM
2 stops13h 28mAmerican Airlines
Mi 3/262:21 pmPWM - COS
2 stops11h 26mAmerican Airlines
Deal found 2/19$267
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.
Mo 8/411:59 pmDEN - PWM
1 stop6h 17mUnited Airlines
Di 8/127:15 pmPWM - DEN
1 stop7h 00mUnited Airlines
Deal found 2/19$302
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 3/612:05 pmDEN - PWM
2 stops10h 00mSouthwest
Mi 3/124:30 pmPWM - DEN
1 stop8h 15mSouthwest
Deal found 2/20$322
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.
Fr 7/187:15 pmDEN - PWM
1 stop14h 20mSun Country Air
Fr 7/2512:32 pmPWM - DEN
1 stop22h 53mSun Country Air
Deal found 2/20$335
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.
Fr 9/57:14 pmGJT - PWM
2 stops13h 56mAmerican Airlines
Sa 9/134:18 pmPWM - GJT
2 stops9h 58mAmerican Airlines
Deal found 2/19$359
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.
Fr 3/710:55 amCOS - PWM
2 stops10h 20mUnited Airlines
Di 3/113:55 pmPWM - COS
2 stops10h 04mUnited Airlines
Deal found 2/20$379
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.
Fr 3/711:20 amHDN - PWM
2 stops10h 27mUnited Airlines
Di 3/116:00 amPWM - HDN
1 stop7h 10mUnited Airlines
Deal found 2/20$382
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.
Mi 3/1910:55 amCOS - PWM
1 stop10h 05mSouthwest
Mi 3/266:00 amPWM - COS
1 stop8h 35mSouthwest
Deal found 2/19$383

Find flights from Colorado to Portland within your budget

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 Februar 21, 2025.

Fly from

Colorado

Fly to

Portland

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mi 5/7

12:46 am-8:29 pm

1 stop17h 43m

Portland

Mo 5/12

9:43 pm-11:30 pm

1 stop27h 47m

$140

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fr 5/9

11:40 am-9:57 pm

1 stop8h 17m

Portland

Mi 5/14

3:20 pm-10:58 pm

1 stop9h 38m

$227

DenverPortland

DEN - PWM

DENPWM

Denver Intl

So 5/4

6:05 am-2:19 pm

1 stop6h 14m

Portland

Sa 5/10

12:30 pm-6:03 pm

1 stop7h 33m

$257

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fr 5/9

1:42 pm-10:46 pm

1 stop7h 04m

Portland

Mi 5/14

1:59 pm-9:56 pm

2 stops9h 57m

$262

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Mi 3/19

7:15 am-10:43 pm

2 stops13h 28m

Portland

Mi 3/26

2:21 pm-11:47 pm

2 stops11h 26m

$267

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Do 3/6

12:05 pm-12:05 am

2 stops10h 00m

Portland

Mi 3/12

4:30 pm-10:45 pm

1 stop8h 15m

$322

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Fr 3/7

10:55 am-11:15 pm

2 stops10h 20m

Portland

Di 3/11

3:55 pm-11:59 pm

2 stops10h 04m

$379

HaydenPortland

HDN - PWM

HDNPWM

Hayden Yampa Valley

Fr 3/7

11:20 am-11:47 pm

2 stops10h 27m

Portland

Di 3/11

6:00 am-11:10 am

1 stop7h 10m

$382

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Mi 3/19

10:55 am-11:00 pm

1 stop10h 05m

Portland

Mi 3/26

6:00 am-12:35 pm

1 stop8h 35m

$383

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mo 3/3

7:47 am-3:21 pm

1 stop5h 34m

Portland

Mo 3/10

7:20 pm-12:30 am

1 stop7h 10m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 29 results
1
2
3

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.

Travel insights for flights from Colorado to Portland

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

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 April is currently the most expensive (average of $498). 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 Februar 21, 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 Februar 21, 2025.
Read reviews from past customers who have flown Southwest, Delta and JetBlue 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.
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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
4,401 reviews
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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
8,213 reviews
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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
3,069 reviews
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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
8,759 reviews
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,401 reviews

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

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 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?

    $112 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Sun Country Air and American Airlines, with prices starting from $153 and $164, respectively.

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

    While some choose either Colorado Springs - Portland or Aspen Pitkin County - 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 $224. While the most popular route (Denver Intl - Portland) can be booked for $201 on average our data indicates $537 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 April is currently the most expensive (average of $498). 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 Februar 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$161Average$283FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$294FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$477FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$278Average$510FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$344Average$718FlexibilityNo cancel feeOn-time69%
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