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$55+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Dec 22 — Dec 291
Mon 12/22
Mon 12/29
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 November 22, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$104
(Super.com)

One-way from

$55
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$217

Good round-trip deal

$148 or less

Good one-way deal

$94 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 ($17 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 November 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 November 22, 2025.

This Super.com deal was found by Cheapflights users on 11/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:56 amDEN - PDX
Nonstop3h 00mFrontier
Sun 12/1412:51 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 11/20$104
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Fri 12/129:56 amDEN - PDX
Nonstop3h 00mFrontier
Sun 12/1412:51 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 11/21$105
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Thu 12/259:43 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Wed 12/312:40 pmPDX - DEN
Nonstop2h 35mMultiple Airlines
Deal found 11/20$107
This Expedia deal was found by Cheapflights users on 11/20. 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.
Fri 12/129:56 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Mon 12/157:10 amPDX - DEN
Nonstop2h 35mMultiple Airlines
Deal found 11/20$108
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Thu 12/117:33 amDEN - PDX
1 stop27h 01mFrontier
Fri 12/1212:55 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 11/21$109
This Expedia deal was found by Cheapflights users on 11/21. 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.
Fri 12/129:56 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Tue 12/162:31 pmPDX - DEN
1 stop8h 28mMultiple Airlines
Deal found 11/21$117
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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.
Thu 12/49:56 amDEN - PDX
Nonstop3h 00mFrontier
Thu 12/1112:51 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 11/20$118
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Thu 12/49:56 amDEN - PDX
Nonstop3h 00mFrontier
Mon 12/89:31 amPDX - DEN
1 stop17h 27mFrontier
Deal found 11/19$119
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sun 12/219:43 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Wed 12/317:00 amPDX - DEN
Nonstop2h 35mMultiple Airlines
Deal found 11/20$122
This Frontier deal was found by Cheapflights users on 11/21. 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 12/209:52 amDEN - PDX
Nonstop3h 00mFrontier
Tue 12/3012:47 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 11/21$123
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/125:15 amDRO - PDX
1 stop5h 23mUnited Airlines
Mon 12/154:02 pmPDX - DRO
1 stop5h 12mUnited Airlines
Deal found 11/19$198
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/55:30 amGJT - PDX
1 stop5h 08mUnited Airlines
Tue 12/95:00 amPDX - GJT
1 stop6h 37mUnited Airlines
Deal found 11/20$211

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 November 22, 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

Fri 12/12

9:56 am-11:56 am

Nonstop3h 00m

Portland

Sun 12/14

7:26 pm-8:55 am

1 stop12h 29m

$135

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 1/7

8:25 pm-10:15 pm

Nonstop2h 50m

Portland

Sun 1/11

5:35 am-9:05 am

Nonstop2h 30m

$136

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 2/21

11:38 am-1:38 pm

Nonstop3h 00m

Portland

Sat 2/28

7:05 am-10:42 am

Nonstop2h 37m

$137

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 12/13

7:55 am-9:45 am

Nonstop2h 50m

Portland

Tue 12/16

5:55 am-9:20 am

Nonstop2h 25m

$137

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 12/24

7:20 am-9:18 am

Nonstop2h 58m

Portland

Wed 12/31

7:00 am-10:35 am

Nonstop2h 35m

$137

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Wed 1/14

12:00 pm-8:35 pm

2 stops9h 35m

Portland

Mon 1/19

5:50 am-11:17 am

1 stop4h 27m

$142

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Tue 1/20

7:59 am-6:50 pm

2 stops11h 51m

Portland

Sat 1/24

5:50 am-11:17 am

1 stop4h 27m

$142

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 1/28

4:15 pm-6:10 pm

Nonstop2h 55m

Portland

Sun 2/1

5:00 am-8:32 am

Nonstop2h 32m

$147

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 2/26

4:00 pm-5:51 pm

Nonstop2h 51m

Portland

Sun 3/1

8:30 am-12:03 pm

Nonstop2h 33m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 12/10

11:41 am-1:41 pm

Nonstop3h 00m

Portland

Mon 12/15

5:49 pm-11:59 pm

1 stop5h 10m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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 November 22, 2025.

It’s optimal to fly from Colorado to Portland in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

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 November 22, 2025.

The most flights from USCO to PDX are scheduled on a Friday (17 on average). You will have fewer flight options on Tuesday, 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 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 $136, Frontier can have you in Portland from Colorado in 2h 50m. Colorado and Portland are separated by a distance of 989 mi. All flights are typically nonstop.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $58. Alaska Airlines flights start at $69 while deals on American Airlines start at $88 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 Grand Junction Regnl - 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 (100%), United Airlines (85%), Copa Airlines( 80%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $29. While the most popular route (Denver Intl - Portland) can be booked for $98 on average, our data indicates $322 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
McMinnville
Hillsboro
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 November 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$156FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$211FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$305FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$367FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$420FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$162Average$254FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$374FlexibilityNo cancel feeOn-time71%

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