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$49+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/22. 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.
Mon 12/2910:37 pmDEN - PDX
1 stop15h 47mFrontier
Mon 1/58:45 pmPDX - DEN
1 stop12h 17mFrontier
Deal found 12/22$232
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 12/309:43 amDEN - PDX
Nonstop3h 00mFrontier
Mon 1/58:45 pmPDX - DEN
1 stop12h 17mFrontier
Deal found 12/22$244
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:25 pmHDN - PDX
1 stop8h 21mUnited Airlines
Thu 1/19:00 amPDX - HDN
1 stop4h 28mUnited Airlines
Deal found 12/21$259
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 12/309:43 amDEN - PDX
Nonstop3h 00mFrontier
Fri 1/28:45 pmPDX - DEN
1 stop11h 10mFrontier
Deal found 12/22$269
This Expedia deal was found by Cheapflights users on 12/21. 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.
Mon 12/2910:37 pmDEN - PDX
1 stop15h 47mFrontier
Fri 1/28:45 pmPDX - DEN
1 stop11h 10mFrontier
Deal found 12/21$282
This Travelocity deal was found by Cheapflights users on 12/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:43 amDEN - PDX
Nonstop3h 00mFrontier
Fri 1/28:45 pmPDX - DEN
1 stop11h 10mFrontier
Deal found 12/22$315
This Expedia deal was found by Cheapflights users on 12/22. 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.
Mon 12/2910:37 pmDEN - PDX
1 stop15h 47mMultiple Airlines
Mon 1/57:00 amPDX - DEN
Nonstop2h 35mMultiple Airlines
Deal found 12/22$320
This CheapOair deal was found by Cheapflights users on 12/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:52 amDEN - PDX
Nonstop3h 00mFrontier
Sun 1/412:47 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 12/22$323
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 12/309:43 amDEN - PDX
Nonstop3h 00mFrontier
Sat 1/312:37 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 12/22$325
This Expedia deal was found by Cheapflights users on 12/22. 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.
Tue 12/309:43 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Mon 1/55:50 pmPDX - DEN
Nonstop2h 38mMultiple Airlines
Deal found 12/22$328
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/257:00 amHDN - PDX
1 stop7h 35mUnited Airlines
Tue 12/302:45 pmPDX - HDN
1 stop4h 31mUnited Airlines
Deal found 12/22$399
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/2311:42 amDRO - PDX
1 stop6h 49mUnited Airlines
Sat 1/39:00 amPDX - DRO
1 stop7h 20mUnited Airlines
Deal found 12/22$433

Find flight deals from Colorado to Portland

Keep the following information in mind while searching for Colorado to Portland flight deals. Data was last updated December 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$107
(Expedia)

One-way from

$49
(Frontier)

Popular in

March

Cheapest in

January

Average price

$231

Good round-trip deal

$157 or less

Good one-way deal

$118 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
Search Deals
From Colorado to Portland
Search Deals
One-way flight from Colorado to Portland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Portland.
Search Deals
Price to beat on a one-way flight from Colorado to Portland.
Search Deals

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 December 23, 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 1/16

9:05 am-11:04 am

Nonstop2h 59m

Portland

Sun 1/18

6:19 pm-10:27 am

2 stops39h 08m

$133

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 2/4

8:40 am-10:35 am

Nonstop2h 55m

Portland

Sat 2/7

5:20 am-8:50 am

Nonstop2h 30m

$147

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 5/13

6:41 pm-8:28 pm

Nonstop2h 47m

Portland

Sun 5/17

5:50 pm-9:37 pm

Nonstop2h 47m

$147

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 2/21

11:38 am-1:38 pm

Nonstop3h 00m

Portland

Sat 2/28

1:36 pm-11:59 pm

1 stop9h 23m

$147

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 3/5

11:38 am-1:38 pm

Nonstop3h 00m

Portland

Sat 3/14

7:05 am-10:42 am

Nonstop2h 37m

$147

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 2/5

11:50 am-1:45 pm

Nonstop2h 55m

Portland

Sun 2/8

8:30 am-12:06 pm

Nonstop2h 36m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 1/20

5:15 am-9:09 am

1 stop4h 54m

Portland

Tue 1/27

5:15 pm-11:25 pm

1 stop5h 10m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 2/4

10:49 pm-10:33 am

1 stop12h 44m

Portland

Mon 2/9

7:21 am-10:53 am

Nonstop2h 32m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 2/21

6:40 am-10:32 am

1 stop4h 52m

Portland

Sat 2/28

9:20 am-5:27 pm

1 stop7h 07m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Mon 1/12

11:49 am-1:44 pm

Nonstop2h 55m

Portland

Wed 1/21

5:35 pm-11:35 pm

1 stop5h 00m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 December 23, 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. Monday 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 December 23, 2025.

The most flights from USCO to PDX are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 72 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 $147, Frontier can have you in Portland from Colorado in 2h 47m. 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 Frontier, which is currently one of the cheapest options available, starting at $30. Hawaiian Airlines flights start at $78 while deals on Alaska Airlines start at $78 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: Frontier (87%), United Airlines (86%), Copa Airlines( 82%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Denver Intl - Portland) can be booked for $98 on average, our data indicates $259 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
Longview
Lake Oswego
Beaverton
McMinnville
Hillsboro
Troutdale
Cannon Beach
Long Beach
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$211FlexibilityNo cancel feeOn-time85%
DeltaCheapest$148Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$148Average$406FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$149Average$250FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$354FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$378FlexibilityNo cancel feeOn-time71%

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