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Portland

$129+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(JetBlue Airways)

One-way from

$129
(Delta)

Popular in

July

Cheapest in

November

Average price

$482

Good round-trip deal

$590 or less

Good one-way deal

$318 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. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This JetBlue Airways deal was found by Cheapflights users on 3/30. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:38 pmDEN - PWM
1 stop6h 21mJetBlue
Wed 5/143:35 pmPWM - DEN
1 stop9h 24mJetBlue
Deal found 3/30$227
This CheapOair deal was found by Cheapflights users on 3/30. 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.
Fri 5/167:12 pmDEN - PWM
1 stop21h 14mFrontier
Sun 5/188:23 pmPWM - DEN
1 stop29h 06mFrontier
Deal found 3/30$240
This Delta deal was found by Cheapflights users on 3/30. 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.
Mon 7/2812:59 amDEN - PWM
1 stop9h 05mDelta
Sat 8/3011:30 amPWM - DEN
1 stop7h 03mDelta
Deal found 3/30$257
This Southwest deal was found by Cheapflights users on 3/30. 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 10/15:50 amDEN - PWM
1 stop7h 05mSouthwest
Tue 10/77:40 amPWM - DEN
2 stops9h 15mSouthwest
Deal found 3/30$278
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:50 pmDEN - PWM
1 stop8h 43mUnited Airlines
Sat 5/313:28 pmPWM - DEN
Nonstop4h 41mUnited Airlines
Deal found 3/29$279
This American Airlines deal was found by Cheapflights users on 3/31. 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 6/117:00 amDEN - PWM
1 stop8h 11mAmerican Airlines
Tue 6/176:33 pmPWM - DEN
1 stop7h 11mAmerican Airlines
Deal found 3/31$289
This American Airlines deal was found by Cheapflights users on 3/30. 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 9/168:32 amCOS - PWM
2 stops13h 13mAmerican Airlines
Wed 9/243:50 pmPWM - COS
1 stop9h 35mAmerican Airlines
Deal found 3/30$302
This Sun Country Air deal was found by Cheapflights users on 3/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:45 amDEN - PWM
1 stop6h 46mSun Country Air
Thu 10/912:34 pmPWM - DEN
1 stop6h 24mSun Country Air
Deal found 3/30$315
This Southwest deal was found by Cheapflights users on 3/30. 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.
Thu 9/189:45 amCOS - PWM
1 stop5h 20mSouthwest
Mon 9/228:45 amPWM - COS
1 stop7h 20mSouthwest
Deal found 3/30$353
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 8/612:28 pmGJT - PWM
2 stops10h 07mAmerican Airlines
Wed 8/131:18 pmPWM - GJT
2 stops12h 53mAmerican Airlines
Deal found 3/30$359
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:30 amGJT - PWM
2 stops13h 44mUnited Airlines
Tue 8/122:08 pmPWM - GJT
2 stops10h 07mUnited Airlines
Deal found 3/31$449
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:55 pmCOS - PWM
1 stop6h 40mUnited Airlines
Wed 4/2312:45 pmPWM - COS
2 stops10h 51mUnited Airlines
Deal found 3/30$505

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 March 31, 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

Fri 5/9

2:38 pm-10:59 pm

1 stop6h 21m

Portland

Wed 5/14

3:35 pm-10:59 pm

1 stop9h 24m

$227

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 5/16

7:12 pm-6:26 pm

1 stop21h 14m

Portland

Sun 5/18

8:23 pm-11:29 pm

1 stop29h 06m

$240

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 7/28

12:59 am-12:04 pm

1 stop9h 05m

Portland

Fri 8/29

6:55 pm-11:47 pm

1 stop6h 52m

$257

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 5/28

11:50 pm-10:33 am

1 stop8h 43m

Portland

Sat 5/31

3:28 pm-6:09 pm

Nonstop4h 41m

$279

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 6/11

7:00 am-5:11 pm

1 stop8h 11m

Portland

Sat 6/14

6:01 pm-10:56 pm

1 stop6h 55m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Thu 8/28

5:00 am-2:35 pm

1 stop7h 35m

Portland

Tue 9/2

3:40 pm-10:35 pm

2 stops8h 55m

$292

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Tue 9/16

8:32 am-11:45 pm

2 stops13h 13m

Portland

Wed 9/24

3:50 pm-11:25 pm

1 stop9h 35m

$302

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Thu 9/18

9:45 am-5:05 pm

1 stop5h 20m

Portland

Mon 9/22

8:45 am-2:05 pm

1 stop7h 20m

$353

Grand JunctionPortland

GJT - PWM

GJTPWM

Grand Junction Regnl

Wed 8/6

12:28 pm-12:35 am

2 stops10h 07m

Portland

Wed 8/13

1:18 pm-12:11 am

2 stops12h 53m

$359

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 7/18

7:15 pm-11:35 am

1 stop14h 20m

Portland

Fri 7/25

12:32 pm-9:25 am

1 stop22h 53m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 34 results
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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 $416). 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 March 31, 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 March 31, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines 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
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,614 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    $129 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 $135 and $155, respectively.

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

    While some choose either Colorado Springs - Portland or Grand Junction Regnl - 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 $273. While the most popular route (Denver Intl - Portland) can be booked for $227 on average our data indicates $552 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 $416). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$275FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$278FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$490FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$296Average$445FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$336Average$703FlexibilityNo cancel feeOn-time69%
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