HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$81+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 1, 2025.

Round-trip from

$123
(Priceline)

One-way from

$81
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$191

Good round-trip deal

$168 or less

Good one-way deal

$118 or less
From Colorado to Portland
Search Deals
One-way flight from Colorado to Portland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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

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 July 1, 2025.

This FlightHub deal was found by Cheapflights users on 7/1. 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 8/2810:29 pmDEN - PDX
Nonstop2h 46mFrontier
Tue 9/26:51 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 7/1$117
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 8/95:55 pmCOS - PDX
1 stop5h 40mDelta
Tue 8/125:05 pmPDX - COS
1 stop4h 13mDelta
Deal found 6/30$197
This Southwest deal was found by Cheapflights users on 6/30. 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.
Sat 8/911:05 amCOS - PDX
2 stops9h 30mSouthwest
Tue 8/122:30 pmPDX - COS
1 stop6h 30mSouthwest
Deal found 6/30$202
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 7/304:55 pmCOS - PDX
1 stop8h 32mAmerican Airlines
Thu 8/711:59 pmPDX - COS
1 stop9h 03mAmerican Airlines
Deal found 6/30$217
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/36:02 amGJT - PDX
1 stop5h 40mAmerican Airlines
Wed 9/105:16 amPDX - GJT
1 stop5h 00mAmerican Airlines
Deal found 6/30$220
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/86:00 amCOS - PDX
1 stop4h 32mUnited Airlines
Tue 8/121:37 pmPDX - COS
2 stops7h 18mUnited Airlines
Deal found 6/30$220
This Delta deal was found by Cheapflights users on 6/30. 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 8/286:00 amGJT - PDX
1 stop3h 51mDelta
Tue 9/25:35 amPDX - GJT
1 stop3h 55mDelta
Deal found 6/30$229
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/111:43 pmMTJ - PDX
1 stop4h 38mUnited Airlines
Tue 9/165:00 amPDX - MTJ
1 stop6h 47mUnited Airlines
Deal found 6/30$237
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/132:37 pmMTJ - PDX
1 stop9h 22mAmerican Airlines
Sun 8/1711:59 pmPDX - MTJ
1 stop9h 00mAmerican Airlines
Deal found 7/1$239
This United Airlines deal was found by Cheapflights users on 6/30. 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 10/236:13 pmGJT - PDX
1 stop5h 33mUnited Airlines
Tue 10/288:30 amPDX - GJT
1 stop7h 24mUnited Airlines
Deal found 6/30$251
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/85:55 amDRO - PDX
1 stop5h 49mAmerican Airlines
Sun 8/105:05 amPDX - DRO
1 stop5h 11mAmerican Airlines
Deal found 6/30$290
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/153:25 pmHDN - PDX
1 stop7h 51mUnited Airlines
Thu 8/215:00 amPDX - HDN
1 stop6h 21mUnited Airlines
Deal found 7/1$309

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 1, 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

Thu 8/14

10:30 pm-12:16 am

Nonstop2h 46m

Portland

Mon 8/18

11:00 am-6:58 pm

1 stop6h 58m

$123

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 8/9

5:55 pm-10:35 pm

1 stop5h 40m

Portland

Tue 8/12

5:05 pm-10:18 pm

1 stop4h 13m

$197

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 8/9

11:05 am-7:35 pm

2 stops9h 30m

Portland

Tue 8/12

2:30 pm-10:00 pm

1 stop6h 30m

$202

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Wed 7/30

4:55 pm-12:27 am

1 stop8h 32m

Portland

Thu 8/7

11:59 pm-10:02 am

1 stop9h 03m

$217

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Fri 8/8

6:00 am-9:32 am

1 stop4h 32m

Portland

Tue 8/12

1:37 pm-9:55 pm

2 stops7h 18m

$220

Grand JunctionPortland

GJT - PDX

GJTPDX

Grand Junction Regnl

Wed 9/3

6:02 am-10:42 am

1 stop5h 40m

Portland

Wed 9/10

5:16 am-11:16 am

1 stop5h 00m

$220

Grand JunctionPortland

GJT - PDX

GJTPDX

Grand Junction Regnl

Thu 8/28

6:00 am-8:51 am

1 stop3h 51m

Portland

Tue 9/2

5:35 am-10:30 am

1 stop3h 55m

$229

MontrosePortland

MTJ - PDX

MTJPDX

Montrose County

Thu 9/11

1:43 pm-5:21 pm

1 stop4h 38m

Portland

Tue 9/16

5:00 am-12:47 pm

1 stop6h 47m

$237

MontrosePortland

MTJ - PDX

MTJPDX

Montrose County

Wed 8/13

2:37 pm-10:59 pm

1 stop9h 22m

Portland

Sun 8/17

11:59 pm-9:59 am

1 stop9h 00m

$239

Grand JunctionPortland

GJT - PDX

GJTPDX

Grand Junction Regnl

Thu 10/23

6:13 pm-10:46 pm

1 stop5h 33m

Portland

Tue 10/28

8:30 am-4:54 pm

1 stop7h 24m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 38 results
1
2
3
4

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 $368). 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 1, 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Colorado to Portland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $81. Alaska Airlines flights start at $88 while deals on Delta start at $89 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: United Airlines (78%), Hawaiian Airlines (72%), Lufthansa( 70%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Denver Intl - Portland) can be booked for $87 on average our data indicates $561 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 $368). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Portland flights
Dallas/Fort Worth to Portland flights
O'Hare Intl to Portland flights
Newark to Portland flights
Ontario to Portland flights
John F Kennedy Intl to Portland flights
Boston to Portland flights
Denver to Portland flights
Orlando to Portland flights
San Francisco to Portland flights
Santa Ana to Portland flights
Minneapolis to Portland flights
Burbank to Portland flights
Hobby to Portland flights
Sky Harbor Intl to Portland flights
Dulles Intl to Portland flights
San Diego to Portland flights
Los Angeles to Boise flights
LaGuardia to Portland flights
George Bush Intcntl to Portland flights
Love Field to Portland flights
Atlanta to Portland flights
Reagan-National to Portland flights
San Jose to Portland flights
Austin to Portland flights
Baltimore to Portland flights
Oakland to Portland flights
Detroit to Portland flights
Salt Lake City to Portland flights
Greensboro to Portland flights
Burbank to Boise flights
Manchester to Portland flights
Honolulu to Portland flights
Minneapolis to Boise flights
Sacramento to Portland flights
Cleveland to Portland flights
Los Angeles to Redmond flights
Philadelphia to Portland flights
San Francisco to Redmond flights
Seattle to Boise flights
Boston to Medford flights
Charlotte to Portland flights
Midway to Portland flights
Los Angeles to Medford flights
Nashville to Portland flights
Ontario to Boise flights
Kansas City to Portland flights
Las Vegas to Portland flights
Appleton to Portland flights
Fresno to Portland flights

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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$144FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$222FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$311FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$380FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$165Average$253FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$230Average$418FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.