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$78+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$130
(Cheapflightsfares)

One-way from

$79
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$218

Good round-trip deal

$210 or less

Good one-way deal

$137 or less
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. 5% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:01 pmPDX - DEN
Nonstop2h 41mFrontier
Sun 8/1710:30 pmDEN - PDX
Nonstop2h 46mFrontier
Deal found 6/11$130
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:30 amPDX - DEN
1 stop4h 25mDelta
Sat 9/136:25 pmDEN - PDX
1 stop5h 23mDelta
Deal found 6/10$177
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 amPDX - COS
1 stop7h 40mSouthwest
Fri 9/121:10 pmCOS - PDX
1 stop7h 25mSouthwest
Deal found 6/11$185
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:24 pmPDX - DEN
1 stop6h 03mAlaska Airlines
Tue 9/1611:40 amDEN - PDX
Nonstop2h 43mAlaska Airlines
Deal found 6/10$187
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/116:43 pmPDX - COS
1 stop4h 09mUnited Airlines
Fri 8/155:30 amCOS - PDX
1 stop5h 02mUnited Airlines
Deal found 6/9$205
This American Airlines deal was found by Cheapflights users on 6/12. 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 11/118:01 amPDX - EGE
1 stop10h 05mAmerican Airlines
Tue 11/188:06 amEGE - PDX
1 stop9h 43mAmerican Airlines
Deal found 6/12$229
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 8/205:05 amPDX - GJT
1 stop5h 10mAmerican Airlines
Sat 8/235:00 amGJT - PDX
1 stop6h 44mAmerican Airlines
Deal found 6/12$229
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/84:16 pmPDX - GJT
1 stop4h 59mUnited Airlines
Fri 7/115:55 pmGJT - PDX
2 stops7h 40mUnited Airlines
Deal found 6/12$236
This Delta deal was found by Cheapflights users on 6/11. 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 7/95:05 pmPDX - COS
1 stop4h 08mDelta
Tue 7/155:55 pmCOS - PDX
1 stop6h 40mDelta
Deal found 6/11$237
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/125:05 amPDX - DRO
1 stop5h 11mAmerican Airlines
Sat 8/165:55 amDRO - PDX
1 stop5h 49mAmerican Airlines
Deal found 6/9$238
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 9/59:47 amPDX - DRO
2 stops9h 49mUnited Airlines
Tue 9/95:30 amDRO - PDX
1 stop4h 58mUnited Airlines
Deal found 6/9$244
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:23 amPDX - COS
2 stops28h 56mMultiple Airlines
Mon 8/115:09 pmCOS - PDX
2 stops22h 06mMultiple Airlines
Deal found 6/12$249

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 June 12, 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 8/12

7:01 pm-10:42 pm

Nonstop2h 41m

Denver Intl

Sun 8/17

10:30 pm-12:16 am

Nonstop2h 46m

$130

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 9/3

5:30 am-10:55 am

1 stop4h 25m

Denver Intl

Sat 9/13

6:25 pm-10:48 pm

1 stop5h 23m

$177

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Wed 9/10

7:00 am-3:40 pm

1 stop7h 40m

Colorado Springs

Fri 9/12

1:10 pm-7:35 pm

1 stop7h 25m

$185

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 9/3

1:24 pm-8:27 pm

1 stop6h 03m

Denver Intl

Tue 9/16

11:40 am-1:23 pm

Nonstop2h 43m

$187

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Mon 8/11

6:43 pm-11:52 pm

1 stop4h 09m

Colorado Springs

Fri 8/15

5:30 am-9:32 am

1 stop5h 02m

$205

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Tue 7/1

5:06 pm-10:16 pm

1 stop4h 10m

Colorado Springs

Thu 7/10

5:55 pm-11:35 pm

1 stop6h 40m

$228

PortlandVail

PDX - EGE

PDXEGE

Portland

Tue 11/11

8:01 am-7:06 pm

1 stop10h 05m

Vail Eagle County

Tue 11/18

8:06 am-4:49 pm

1 stop9h 43m

$229

PortlandGrand Junction

PDX - GJT

PDXGJT

Portland

Wed 8/20

5:05 am-11:15 am

1 stop5h 10m

Grand Junction Regnl

Sat 8/23

5:00 am-10:44 am

1 stop6h 44m

$229

PortlandGrand Junction

PDX - GJT

PDXGJT

Portland

Tue 7/8

4:16 pm-10:15 pm

1 stop4h 59m

Grand Junction Regnl

Fri 7/11

5:55 pm-12:35 am

2 stops7h 40m

$236

PortlandDurango

PDX - DRO

PDXDRO

Portland

Tue 8/12

5:05 am-11:16 am

1 stop5h 11m

Durango La Plata County

Sat 8/16

5:55 am-10:44 am

1 stop5h 49m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 57 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 June 12, 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.

Weekly flight availability from Portland to Colorado

Explore weekly flight availability from Portland to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PDX to USCO are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 June 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 235 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 United Airlines, which is currently one of the cheapest options available, starting at $79. Frontier flights start at $98 while deals on Southwest start at $99 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 - Durango La Plata County or Portland - Grand Junction Regnl.

  • 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: Lufthansa (85%), United Airlines (85%), Alaska Airlines (75%).

  • What are the cheapest flights from Portland to Colorado?

    On average you can expect to pay $684 for a flight from Portland to Colorado. The cheapest flight overall is $70 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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Portland to Philadelphia flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$127FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$241FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$153Average$505FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$360FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$164Average$261FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$321FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$408FlexibilityNo cancel feeOn-time71%

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