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$80+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
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 March 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$262
(Southwest)

One-way from

$80
(Frontier)

Popular in

July

Cheapest in

January

Average price

$442

Good round-trip deal

$597 or less

Good one-way deal

$273 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
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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 ($14 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 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 March 12, 2025.

This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:30 pmPWM - DEN
2 stops9h 10mSouthwest
Thu 4/32:35 pmDEN - PWM
1 stop7h 30mSouthwest
Deal found 3/10$262
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:55 pmPWM - DEN
1 stop6h 52mDelta
Sun 8/1712:59 amDEN - PWM
1 stop8h 40mDelta
Deal found 3/11$273
This Booking.com deal was found by Cheapflights users on 3/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2210:08 amPWM - DEN
1 stop26h 14mFrontier
Sat 3/299:15 amDEN - PWM
1 stop23h 00mFrontier
Deal found 3/10$290
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 4/296:00 amPWM - DEN
2 stops11h 27mAmerican Airlines
Mon 5/127:00 amDEN - PWM
1 stop6h 12mAmerican Airlines
Deal found 3/11$294
This JetBlue deal was found by Cheapflights users on 3/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:50 pmPWM - DEN
1 stop7h 12mJetBlue
Sun 9/711:59 pmDEN - PWM
1 stop7h 28mJetBlue
Deal found 3/12$295
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:32 pmPWM - DEN
1 stop7h 43mMultiple Airlines
Fri 8/1512:04 amDEN - PWM
1 stop13h 55mMultiple Airlines
Deal found 3/12$323
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2112:32 pmPWM - DEN
1 stop7h 43mSun Country Air
Thu 7/247:15 pmDEN - PWM
1 stop14h 20mSun Country Air
Deal found 3/11$335
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 9/123:50 pmPWM - GJT
1 stop8h 24mAmerican Airlines
Sat 9/207:14 pmGJT - PWM
2 stops13h 56mAmerican Airlines
Deal found 3/11$354
This United deal was found by Cheapflights users on 3/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:31 pmPWM - DEN
1 stop9h 24mUnited Airlines
Sun 4/1311:59 pmDEN - PWM
1 stop7h 53mUnited Airlines
Deal found 3/11$413
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:35 amPWM - COS
2 stops11h 10mSouthwest
Fri 8/292:50 pmCOS - PWM
1 stop6h 20mSouthwest
Deal found 3/10$417
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 6/172:49 pmPWM - DRO
2 stops11h 19mAmerican Airlines
Tue 6/246:00 amDRO - PWM
2 stops12h 55mAmerican Airlines
Deal found 3/12$449
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:30 amPWM - COS
1 stop9h 02mDelta
Thu 4/171:41 pmCOS - PWM
1 stop8h 18mDelta
Deal found 3/11$453

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 March 12, 2025.

Fly from

Portland

Fly to

Colorado

Route

Depart

Return

Price

PortlandDenver

PWM - DEN

PWMDEN

Portland

Tue 4/1

4:30 pm-11:40 pm

2 stops9h 10m

Denver Intl

Thu 4/3

2:35 pm-12:05 am

1 stop7h 30m

$262

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 8/13

6:55 pm-11:47 pm

1 stop6h 52m

Denver Intl

Sun 8/17

12:59 am-11:39 am

1 stop8h 40m

$273

PortlandDenver

PWM - DEN

PWMDEN

Portland

Sat 3/22

10:08 am-10:22 am

1 stop26h 14m

Denver Intl

Sat 3/29

9:15 am-10:15 am

1 stop23h 00m

$290

PortlandDenver

PWM - DEN

PWMDEN

Portland

Tue 4/29

6:00 am-3:27 pm

2 stops11h 27m

Denver Intl

Mon 5/12

7:00 am-3:12 pm

1 stop6h 12m

$294

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 9/3

5:50 pm-11:02 pm

1 stop7h 12m

Denver Intl

Sun 9/7

11:59 pm-9:27 am

1 stop7h 28m

$295

PortlandDenver

PWM - DEN

PWMDEN

Portland

Thu 8/7

12:32 pm-6:15 pm

1 stop7h 43m

Denver Intl

Fri 8/15

12:04 am-3:59 pm

1 stop13h 55m

$323

PortlandDenver

PWM - DEN

PWMDEN

Portland

Mon 7/21

12:32 pm-6:15 pm

1 stop7h 43m

Denver Intl

Thu 7/24

7:15 pm-11:35 am

1 stop14h 20m

$335

PortlandDenver

PWM - DEN

PWMDEN

Portland

Wed 8/6

7:15 pm-12:15 am

1 stop7h 00m

Denver Intl

Sun 8/10

11:55 pm-10:12 am

1 stop8h 17m

$409

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Sun 8/24

5:35 am-2:45 pm

2 stops11h 10m

Colorado Springs

Fri 8/29

2:50 pm-11:10 pm

1 stop6h 20m

$417

PortlandGrand Junction

PWM - GJT

PWMGJT

Portland

Wed 4/30

12:50 pm-9:04 pm

2 stops10h 14m

Grand Junction Regnl

Tue 5/6

11:37 am-10:45 pm

2 stops9h 08m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 31 results
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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 March 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.

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 March 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines 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
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8.1
Very good
4,297 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
7,953 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8,623 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
2,956 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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 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 $80 on Frontier. Other airlines that offer cheap prices include JetBlue from $114 and Southwest from $175 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 - Vail Eagle County 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 $194. While the most popular route (Portland - Denver Intl) can be booked for $224 on average our data indicates $490 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 March 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$282FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$306FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$459FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$473FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$317Average$469FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$723FlexibilityNo cancel feeOn-time69%
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