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$71+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Nov 6 — Nov 131
Thu 11/6
Thu 11/13
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 October 7, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$105
(Frontier)

One-way from

$71
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$196

Good round-trip deal

$156 or less

Good one-way deal

$111 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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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. 8% potential increase in price ($19 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 October 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 October 7, 2025.

This Frontier deal was found by Cheapflights users on 10/7. 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 11/810:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/103:26 pmPDX - DEN
Nonstop2h 41mFrontier
Deal found 10/7$105
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 10/213:28 pmPDX - DEN
Nonstop2h 41mFrontier
Deal found 10/5$108
This Frontier deal was found by Cheapflights users on 10/7. 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 12/1110:00 amDEN - PDX
Nonstop2h 57mFrontier
Sun 12/143:14 pmPDX - DEN
Nonstop2h 34mFrontier
Deal found 10/7$109
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 10/189:58 amDEN - PDX
Nonstop2h 50mFrontier
Mon 10/2010:34 amPDX - DEN
1 stop22h 57mFrontier
Deal found 10/6$113
This Frontier deal was found by Cheapflights users on 10/7. 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 10/228:55 pmDEN - PDX
1 stop12h 28mFrontier
Sat 10/2512:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 10/7$114
This Frontier deal was found by Cheapflights users on 10/6. 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 11/110:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/310:03 amPDX - DEN
1 stop23h 08mFrontier
Deal found 10/6$115
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 10/3110:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/33:26 pmPDX - DEN
Nonstop2h 41mFrontier
Deal found 10/7$117
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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.
Mon 11/39:48 amDEN - PDX
1 stop5h 43mFrontier
Thu 11/612:52 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 10/6$119
This Frontier deal was found by Cheapflights users on 10/7. 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.
Sun 11/210:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/103:26 pmPDX - DEN
Nonstop2h 41mFrontier
Deal found 10/7$121
This Delta deal was found by Cheapflights users on 10/6. 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.
Thu 12/116:00 pmCOS - PDX
1 stop7h 04mDelta
Tue 12/165:05 pmPDX - COS
1 stop4h 11mDelta
Deal found 10/6$197
This American Airlines deal was found by Cheapflights users on 10/6. 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 11/710:21 amDRO - PDX
1 stop9h 48mAmerican Airlines
Tue 11/1111:59 pmPDX - DRO
1 stop8h 52mAmerican Airlines
Deal found 10/6$200
This United Airlines deal was found by Cheapflights users on 10/5. 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 12/51:39 pmDRO - PDX
2 stops11h 58mUnited Airlines
Mon 12/84:02 pmPDX - DRO
1 stop5h 12mUnited Airlines
Deal found 10/5$206

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 October 7, 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 12/27

7:20 am-9:18 am

Nonstop2h 58m

Portland

Sat 1/3

5:50 pm-9:28 pm

Nonstop2h 38m

$127

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 11/4

7:00 am-12:38 pm

1 stop6h 38m

Portland

Wed 11/5

5:30 pm-11:59 pm

1 stop5h 29m

$166

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 11/4

7:00 am-1:50 pm

1 stop7h 50m

Portland

Fri 11/7

5:30 pm-11:59 pm

1 stop5h 29m

$166

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 11/4

7:00 am-12:38 pm

1 stop6h 38m

Portland

Mon 11/10

5:30 pm-11:59 pm

1 stop5h 29m

$166

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 11/5

7:00 am-12:38 pm

1 stop6h 38m

Portland

Wed 11/12

1:38 pm-11:59 pm

1 stop9h 21m

$166

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 11/5

7:00 am-12:38 pm

1 stop6h 38m

Portland

Mon 11/10

5:30 pm-11:59 pm

1 stop5h 29m

$166

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 11/15

8:02 pm-12:09 am

1 stop5h 07m

Portland

Tue 11/18

7:00 am-10:35 am

Nonstop2h 35m

$167

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 10/28

11:31 am-1:24 pm

Nonstop2h 53m

Portland

Tue 11/4

1:38 pm-11:59 pm

1 stop9h 21m

$167

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 12/20

7:20 am-9:18 am

Nonstop2h 58m

Portland

Thu 12/25

2:40 pm-6:15 pm

Nonstop2h 35m

$172

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 11/8

5:30 am-9:03 am

1 stop4h 33m

Portland

Tue 11/11

5:30 am-11:07 am

1 stop4h 37m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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, January is the cheapest month in which you can book a flight from Colorado to Portland (average of $52). Flying from Colorado to Portland in August is currently the most expensive (average of $99). 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 October 7, 2025.

It’s optimal to fly from Colorado to Portland in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Colorado to Portland?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Portland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Portland flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 7, 2025.

The most flights from USCO to PDX are scheduled on a Friday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Colorado to Portland?

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 71 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 $127, Alaska Airlines can have you in Portland from Colorado in 2h 58m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $74. United Airlines flights start at $109 while deals on Delta start at $155 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 (84%), Lufthansa( 81%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $71. While the most popular route (Denver Intl - Portland) can be booked for $108 on average, our data indicates $293 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, January is the cheapest month in which you can book a flight from Colorado to Portland (average of $52). Flying from Colorado to Portland in August is currently the most expensive (average of $99). 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
Clackamas
Lincoln City
Lake Oswego
Beaverton
Hillsboro
McMinnville
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Portland

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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 October 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$155FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$211FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$300FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$365FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$159Average$429FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$167Average$253FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$362FlexibilityNo cancel feeOn-time71%

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