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$124+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Frontier deal was found by Cheapflights users on 7/24. 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.
Mon 8/177:00 am
DEN
-
PDX
1 stop5h 35m
Frontier
Sat 9/123:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/24$198
This Frontier deal was found by Cheapflights users on 7/24. 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 8/163:08 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Tue 9/153:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/24$199
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 9/122:45 pm
DEN
-
PDX
Nonstop2h 50m
Frontier
Mon 9/149:34 pm
PDX
-
DEN
2 stops19h 38m
Frontier
Deal found 7/23$200
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Thu 9/1710:29 pm
DEN
-
PDX
1 stop16h 58m
Frontier
Mon 9/213:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/22$201
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:29 pm
DEN
-
PDX
1 stop17h 23m
Frontier
Mon 11/163:47 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/22$202
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/206:10 am
DEN
-
PDX
1 stop7h 42m
Frontier
Mon 9/1412:38 pm
PDX
-
DEN
Nonstop2h 40m
Frontier
Deal found 7/24$203
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:50 pm
DEN
-
PDX
Nonstop2h 41m
Frontier
Sat 8/812:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Deal found 7/19$204
This Super.com deal was found by Cheapflights users on 7/20. 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.
Wed 8/52:55 pm
DEN
-
PDX
Nonstop2h 41m
Frontier
Fri 8/712:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Deal found 7/20$205
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 9/910:54 pm
DEN
-
PDX
2 stops22h 45m
Frontier
Sat 9/123:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/19$206
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/206:10 am
DEN
-
PDX
1 stop7h 42m
Frontier
Thu 9/103:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/23$207
This Frontier deal was found by Cheapflights users on 7/23. 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.
Mon 8/177:00 am
DEN
-
PDX
1 stop5h 35m
Frontier
Thu 9/103:22 pm
PDX
-
DEN
Nonstop2h 36m
Frontier
Deal found 7/23$208
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:08 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Thu 8/2012:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Deal found 7/19$209

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Frontier)

One-way from

$124
(Southwest)

Popular in

June

Cheapest in

January

Average price

$287

Good round-trip deal

$261 or less

Good one-way deal

$164 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. 17% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 24, 2026.
Use the filters below to find and compare flights from Colorado to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/9

6:00 am-11:46 am

1 stop6h 46m

Portland

Sat 9/12

1:20 pm-7:40 pm

1 stop5h 20m

$237

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 10/17

12:30 pm-9:40 pm

2 stops10h 10m

Portland

Mon 10/19

7:35 pm-11:00 pm

Nonstop2h 25m

$242
Quickest round-trip

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 8/27

9:05 am-2:45 pm

1 stop6h 40m

Portland

Sun 8/30

8:00 pm-11:30 pm

Nonstop2h 30m

$247

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/16

1:40 pm-8:02 pm

1 stop7h 22m

Portland

Sat 9/19

3:21 pm-11:47 pm

1 stop7h 26m

$247

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 10/6

6:44 pm-11:59 pm

1 stop6h 15m

Portland

Mon 10/12

5:49 pm-11:51 pm

1 stop5h 02m

$247

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/30

9:05 am-3:20 pm

1 stop7h 15m

Portland

Thu 10/8

5:30 am-1:25 pm

2 stops6h 55m

$252

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 8/27

6:20 am-10:42 am

1 stop5h 22m

Portland

Sun 8/30

5:54 pm-11:58 pm

1 stop5h 04m

$257

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 8/20

6:43 pm-11:56 pm

1 stop6h 13m

Portland

Sun 8/23

5:45 am-12:04 pm

1 stop5h 19m

$267

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 9/24

12:45 pm-7:15 pm

2 stops7h 30m

Portland

Mon 9/28

12:40 pm-8:05 pm

2 stops6h 25m

$278

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/9

9:05 am-4:10 pm

2 stops8h 05m

Portland

Sun 9/13

6:25 am-2:00 pm

1 stop6h 35m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $200). Flying from Colorado to Portland in June is currently the most expensive (average of $321). 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 July 24, 2026.

It’s optimal to fly from Colorado to Portland in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

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 July 24, 2026.

The most flights from USCO to PDX are scheduled on a Thursday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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

Airfare is typical for this route at the moment.
Colorado to Portland flights typically cost between $192 and $320 in August.
The cheapest round-trip price found within the last 5 days was $198 on Frontier (Aug 17-Sep 12).

How far ahead should I book a flight from Colorado to Portland?

The price you pay for your flight from Colorado to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 18, 2026.

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

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 38 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 $300, Delta can have you in Portland from Colorado in 5h 15m. Colorado and Portland are separated by a distance of 962 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 Frontier, which is currently one of the cheapest options available, starting at $29. Hawaiian Airlines flights start at $78 while deals on Southwest 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 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: Frontier (93%), Volaris (93%), Condor( 92%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $117. While the most popular route (Denver Intl - Portland) can be booked for $138 on average, our data indicates $264 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 $200). Flying from Colorado to Portland in June is currently the most expensive (average of $321). 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
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$178FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$78Average$177FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$147Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$147Average$375FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$147Average$277FlexibilityNo cancel feeOn-time75%
DeltaCheapest$157Average$347FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$412FlexibilityNo cancel feeOn-time71%

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