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Colorado

$74+ Cheap flights from Portland (PDX) 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Frontier)

One-way from

$74
(lastminute.co.il)

Popular in

March

Cheapest in

September

Average price

$237

Good round-trip deal

$225 or less

Good one-way deal

$132 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
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 25, 2025.

This Frontier deal was found by Cheapflights users on 3/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:20 amPDX - DEN
Nonstop2h 36mFrontier
Fri 4/2510:50 pmDEN - PDX
Nonstop2h 52mFrontier
Deal found 3/24$98
This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:00 amPDX - DEN
1 stop4h 48mMultiple Airlines
Tue 4/2210:50 pmDEN - PDX
Nonstop2h 52mMultiple Airlines
Deal found 3/24$142
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:40 pmPDX - DEN
Nonstop2h 35mHawaiian Airlines
Wed 5/148:20 amDEN - PDX
Nonstop2h 42mHawaiian Airlines
Deal found 3/23$147
This Southwest deal was found by Cheapflights users on 3/24. 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 4/228:55 amPDX - DEN
Nonstop2h 35mSouthwest
Wed 4/237:00 amDEN - PDX
1 stop7h 50mSouthwest
Deal found 3/24$167
This Delta deal was found by Cheapflights users on 3/23. 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 4/195:15 pmPDX - DEN
1 stop5h 25mDelta
Tue 4/2911:59 amDEN - PDX
1 stop5h 22mDelta
Deal found 3/23$177
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 4/241:45 pmPDX - DEN
1 stop7h 59mUnited Airlines
Sun 4/279:00 pmDEN - PDX
Nonstop2h 48mUnited Airlines
Deal found 3/23$183
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:40 pmPDX - DEN
Nonstop2h 35mAlaska Airlines
Sun 4/278:20 amDEN - PDX
Nonstop2h 42mAlaska Airlines
Deal found 3/23$184
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/2211:59 pmPDX - COS
1 stop8h 53mAmerican Airlines
Tue 4/296:00 amCOS - PDX
1 stop7h 59mAmerican Airlines
Deal found 3/24$237
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 4/286:23 pmPDX - COS
1 stop4h 36mUnited Airlines
Tue 4/293:30 pmCOS - PDX
1 stop6h 30mUnited Airlines
Deal found 3/24$239
This Sun Country Air deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:40 pmPDX - DEN
1 stop21h 47mSun Country Air
Mon 5/126:30 pmDEN - PDX
1 stop17h 55mSun Country Air
Deal found 3/24$265
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sat 4/266:10 amPDX - COS
1 stop8h 10mSouthwest
Sat 5/35:40 pmCOS - PDX
1 stop6h 40mSouthwest
Deal found 3/24$287
This Delta deal was found by Cheapflights users on 3/23. 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 9/245:20 pmPDX - GJT
1 stop4h 10mDelta
Mon 9/295:56 amGJT - PDX
1 stop4h 04mDelta
Deal found 3/23$289

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 March 25, 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

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 4/22

6:20 am-9:56 am

Nonstop2h 36m

Denver Intl

Fri 4/25

10:50 pm-12:42 am

Nonstop2h 52m

$98

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 4/19

6:00 am-11:48 am

1 stop4h 48m

Denver Intl

Tue 4/22

10:50 pm-12:42 am

Nonstop2h 52m

$142

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 5/7

5:40 pm-9:15 pm

Nonstop2h 35m

Denver Intl

Wed 5/14

8:20 am-10:02 am

Nonstop2h 42m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 4/22

8:55 am-12:30 pm

Nonstop2h 35m

Denver Intl

Wed 4/23

7:00 am-1:50 pm

1 stop7h 50m

$167

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 4/19

5:15 pm-11:40 pm

1 stop5h 25m

Denver Intl

Tue 4/29

11:59 am-4:21 pm

1 stop5h 22m

$177

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 4/24

1:45 pm-10:44 pm

1 stop7h 59m

Denver Intl

Sun 4/27

9:00 pm-10:48 pm

Nonstop2h 48m

$183

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 4/23

5:40 pm-9:15 pm

Nonstop2h 35m

Denver Intl

Sun 4/27

8:20 am-10:02 am

Nonstop2h 42m

$184

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Tue 4/22

11:59 pm-9:52 am

1 stop8h 53m

Colorado Springs

Tue 4/29

6:00 am-12:59 pm

1 stop7h 59m

$237

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Mon 4/28

6:23 pm-11:59 pm

1 stop4h 36m

Colorado Springs

Tue 4/29

3:30 pm-9:00 pm

1 stop6h 30m

$239

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 5/8

6:40 pm-5:27 pm

1 stop21h 47m

Denver Intl

Mon 5/12

6:30 pm-11:25 am

1 stop17h 55m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 50 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 to Colorado?

Currently, October is the cheapest month in which you can book a flight from Portland to Colorado (average of $197). Flying from Portland 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 PDX 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 25, 2025.

When flying from Portland to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Portland to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 (PDX) is located 6.0 mi from the center of Portland.

  • How popular is this Portland to Colorado flight route?

    Flights from Portland to Colorado have been viewed 285 times in the past calendar month.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. United Airlines flights start at $84 while deals on Southwest start at $88 one-way.

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

    The most popular route from Portland to Colorado is Portland - Denver Intl. You may also consider Portland - Grand Junction Regnl or Portland - Colorado Springs.

  • What are the most reliable airlines from Portland to Colorado?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Colorado on time: United Airlines (96%), Copa Airlines (95%), Lufthansa (93%).

  • What are the cheapest flights from Portland to Colorado?

    On average you can expect to pay $1,336 for a flight from Portland to Colorado. The cheapest flight overall is $79 while the most popular route, (Portland - Denver Intl) is currently priced at $143.

  • 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 to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Portland to Colorado (average of $197). Flying from Portland 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Portland to Colorado

Discover the top 7 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$116FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$247FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$141Average$260FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$148Average$511FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$361FlexibilityNo cancel feeOn-time63%
DeltaCheapest$176Average$340FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$428FlexibilityNo cancel feeOn-time71%
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