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$60+ 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
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$100
(Cheapflightsfares)

One-way from

$60
(Frontier)

Popular in

March

Cheapest in

January

Average price

$185

Good round-trip deal

$154 or less

Good one-way deal

$115 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. 11% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/108:50 pmDEN - PDX
Nonstop2h 44mFrontier
sáb. 9/137:15 amPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/12$100
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/88:50 pmDEN - PDX
Nonstop2h 49mFrontier
mar. 11/116:05 amPDX - DEN
Nonstop2h 41mFrontier
Deal found 8/12$101
This FlightHub deal was found by Cheapflights users on 8/13. 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.
dom. 9/1410:29 pmDEN - PDX
Nonstop2h 43mFrontier
sáb. 9/207:15 amPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/13$102
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/158:50 pmDEN - PDX
Nonstop2h 49mFrontier
mar. 11/186:05 amPDX - DEN
Nonstop2h 41mFrontier
Deal found 8/12$104
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
jue. 10/99:48 amDEN - PDX
Nonstop2h 50mFrontier
lun. 10/1312:44 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/11$106
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
jue. 9/410:29 pmDEN - PDX
Nonstop2h 43mFrontier
lun. 9/86:05 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 8/13$107
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
vie. 10/179:58 amDEN - PDX
Nonstop2h 50mFrontier
mié. 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/11$108
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/199:58 amDEN - PDX
Nonstop2h 50mFrontier
mié. 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/12$109
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:00 amDEN - PDX
1 stop5h 24mFrontier
dom. 9/216:05 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 8/13$110
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/310:29 pmDEN - PDX
Nonstop2h 43mFrontier
lun. 10/66:05 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 8/12$111
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
vie. 9/510:29 pmDEN - PDX
Nonstop2h 43mFrontier
lun. 9/811:23 amPDX - DEN
1 stop5h 59mFrontier
Deal found 8/14$113
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:45 amCOS - PDX
1 stop5h 40mSouthwest
mar. 9/302:30 pmPDX - COS
1 stop6h 30mSouthwest
Deal found 8/14$176

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 agosto 14, 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

mié. 9/10

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

sáb. 9/13

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

mié. 9/10

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

mié. 9/17

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

sáb. 9/6

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

sáb. 9/20

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

mié. 9/3

8:50 pm-10:39 pm

Nonstop2h 49m

Portland

mié. 9/10

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

sáb. 11/8

8:50 pm-10:39 pm

Nonstop2h 49m

Portland

mar. 11/11

6:05 am-9:46 am

Nonstop2h 41m

$101

DenverPortland

DEN - PDX

DENPDX

Denver Intl

vie. 10/3

10:29 pm-12:12 am

Nonstop2h 43m

Portland

dom. 10/5

6:05 am-9:44 am

Nonstop2h 39m

$102

DenverPortland

DEN - PDX

DENPDX

Denver Intl

dom. 9/14

10:29 pm-12:12 am

Nonstop2h 43m

Portland

sáb. 9/20

7:15 am-10:58 am

Nonstop2h 43m

$102

DenverPortland

DEN - PDX

DENPDX

Denver Intl

sáb. 10/4

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

lun. 10/6

6:05 am-9:44 am

Nonstop2h 39m

$104

DenverPortland

DEN - PDX

DENPDX

Denver Intl

sáb. 10/4

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

sáb. 10/11

12:43 pm-4:26 pm

Nonstop2h 43m

$104

DenverPortland

DEN - PDX

DENPDX

Denver Intl

jue. 10/9

9:48 am-11:38 am

Nonstop2h 50m

Portland

lun. 10/13

12:44 pm-4:27 pm

Nonstop2h 43m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 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 $369). 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 agosto 14, 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 agosto 14, 2025.

The most flights from USCO to PDX are scheduled on a Thursday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 65 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $60. United Airlines flights start at $100 while deals on Delta start at $175 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, Durango La Plata County - Portland and Colorado Springs - 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 (89%), United Airlines (74%), Frontier( 63%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $76. While the most popular route (Denver Intl - Portland) can be booked for $106 on average our data indicates $362 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 $369). 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
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$150FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$218FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$297FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$380FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$459FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$166Average$254FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$393FlexibilityNo cancel feeOn-time71%

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