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$68+ Cheap flights from Colorado to Portland (PDX)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$95
(Trip.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$207

Good round-trip deal

$147 or less

Good one-way deal

$103 or less
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. 9% potential increase in price ($21 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 September 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 September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:58 amDEN - PDX
Nonstop2h 50mFrontier
Tue 10/2812:52 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/16$95
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Wed 10/159:58 amDEN - PDX
Nonstop2h 50mFrontier
Sat 10/1812:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/14$101
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:05 amDEN - PDX
Nonstop2h 51mFrontier
Sat 11/812:52 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/16$102
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:50 pmDEN - PDX
Nonstop2h 44mFrontier
Fri 10/311:14 amPDX - DEN
1 stop11h 02mFrontier
Deal found 9/16$103
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Fri 10/179:58 amDEN - PDX
Nonstop2h 50mFrontier
Tue 10/2112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/15$105
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Sat 10/1810:29 pmDEN - PDX
1 stop13h 22mFrontier
Tue 10/2112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/15$106
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/169:58 amDEN - PDX
Nonstop2h 50mFrontier
Fri 10/2412:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/15$107
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sat 10/188:55 pmDEN - PDX
1 stop12h 28mFrontier
Wed 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/15$110
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/18:50 pmDEN - PDX
Nonstop2h 44mFrontier
Sat 10/47:15 amPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/17$111
This Frontier deal was found by Cheapflights users on 9/15. 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.
Wed 10/158:55 pmDEN - PDX
1 stop12h 28mFrontier
Thu 10/2312:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 9/15$112
This Southwest deal was found by Cheapflights users on 9/17. 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 11/96:35 pmCOS - PDX
1 stop6h 40mSouthwest
Sat 11/157:40 amPDX - COS
1 stop4h 50mSouthwest
Deal found 9/17$197
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/156:20 pmCOS - PDX
1 stop5h 25mUnited Airlines
Sat 10/185:00 amPDX - COS
1 stop4h 40mUnited Airlines
Deal found 9/17$217

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 September 17, 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 - PDX

DENPDX

Denver Intl

Sat 10/18

7:55 pm-9:35 pm

Nonstop2h 40m

Portland

Tue 10/28

5:10 am-2:55 pm

2 stops8h 45m

$148

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 10/15

6:25 am-10:30 am

1 stop5h 05m

Portland

Wed 10/22

5:40 am-11:47 am

1 stop5h 07m

$153

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 12/4

7:45 pm-12:16 am

1 stop5h 31m

Portland

Sat 12/6

5:20 am-11:11 am

1 stop4h 51m

$153

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 11/15

11:31 am-1:24 pm

Nonstop2h 53m

Portland

Tue 11/18

5:30 pm-11:59 pm

1 stop5h 29m

$155

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 10/8

7:25 pm-9:06 pm

Nonstop2h 41m

Portland

Sun 10/12

5:00 am-8:34 am

Nonstop2h 34m

$155

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 11/15

11:31 am-1:24 pm

Nonstop2h 53m

Portland

Tue 11/18

5:30 pm-11:59 pm

1 stop5h 29m

$167

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 12/6

11:41 am-1:41 pm

Nonstop3h 00m

Portland

Mon 12/8

7:10 am-10:45 am

Nonstop2h 35m

$177

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 10/14

5:30 am-9:03 am

1 stop4h 33m

Portland

Sat 10/25

3:19 pm-11:14 pm

1 stop6h 55m

$187

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Mon 12/15

8:45 pm-10:35 pm

Nonstop2h 50m

Portland

Tue 12/30

8:00 pm-1:40 am

1 stop4h 40m

$197

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sun 11/9

6:35 pm-12:15 am

1 stop6h 40m

Portland

Sat 11/15

7:40 am-1:30 pm

1 stop4h 50m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 58 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?

Currently, November is the cheapest month in which you can book a flight from Colorado to Portland (average of $277). Flying from Colorado to Portland in March is currently the most expensive (average of $368). 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 PDX?

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 September 17, 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 as you normally would.

Weekly flight availability from Colorado to Portland

Explore weekly flight availability from Colorado to Portland. 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 September 17, 2025.

The most flights from USCO to PDX are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

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?

    For a flight from Colorado to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • How popular is this Colorado to Portland flight route?

    This flight path from Colorado to Portland was viewed by 69 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Colorado to Portland?

    For as low as $148, Southwest can have you in Portland from Colorado in 2h 40m. Colorado and Portland are separated by a distance of 989 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $72. Southwest flights start at $76 while deals on Delta start at $77 one-way.

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

    The most popular flight routes from Colorado to Portland are Denver Intl - Portland, Colorado Springs - Portland and Durango La Plata County - Portland.

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

    Before booking your flight to Portland from Colorado, check out the most reliable airlines to get you to your destination on time: Condor (96%), United Airlines (83%), Frontier( 74%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $66. While the most popular route (Denver Intl - Portland) can be booked for $85 on average, our data indicates $491 when flying from Colorado to Portland.

  • 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?

    Currently, November is the cheapest month in which you can book a flight from Colorado to Portland (average of $277). Flying from Colorado to Portland in March is currently the most expensive (average of $368). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

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Top 7 airlines flying from Colorado to Portland

Discover the top 7 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$154FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$212FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$297FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$155Average$371FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$442FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$168Average$255FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$360FlexibilityNo cancel feeOn-time71%

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