HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oregon

$32+ Cheap flights from Colorado to Oregon

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Oregon 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 Oregon

Cheapest flights from Colorado to Oregon
Explore the most affordable flight options available from Colorado to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/24. 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 12/259:36 amDEN - BOI
Nonstop2h 07mFrontier
Thu 1/112:38 pmBOI - DEN
Nonstop2h 01mFrontier
Deal found 12/24$311
This Super.com deal was found by Cheapflights users on 12/25. 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 12/309:43 amDEN - PDX
Nonstop3h 00mFrontier
Sun 1/412:47 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 12/25$344
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 12/26$363
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Tue 12/309:43 amDEN - PDX
Nonstop3h 00mFrontier
Sat 1/312:37 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 12/28$366
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:20 amDEN - MFR
1 stop5h 39mAlaska Airlines
Sat 1/105:42 pmMFR - DEN
1 stop4h 53mAlaska Airlines
Deal found 12/26$368
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 12/289:43 amDEN - PDX
Nonstop3h 00mFrontier
Sun 1/412:47 pmPDX - DEN
Nonstop2h 28mFrontier
Deal found 12/28$372
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/279:52 amDEN - BOI
Nonstop2h 07mFrontier
Sat 1/312:54 pmBOI - DEN
Nonstop2h 01mFrontier
Deal found 12/25$399
This Frontier deal was found by Cheapflights users on 12/25. 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 12/279:52 amDEN - BOI
Nonstop2h 07mFrontier
Thu 1/112:38 pmBOI - DEN
Nonstop2h 01mFrontier
Deal found 12/25$405
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 12/302:13 pmDEN - MFR
1 stop7h 07mAmerican Airlines
Sat 1/105:32 amMFR - DEN
2 stops12h 21mAmerican Airlines
Deal found 12/26$409
This United Airlines deal was found by Cheapflights users on 12/26. 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 12/2611:15 amDEN - RDM
Nonstop2h 43mUnited Airlines
Sat 1/35:00 amRDM - DEN
Nonstop2h 33mUnited Airlines
Deal found 12/26$414
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/269:23 amCOS - MFR
1 stop5h 02mUnited Airlines
Mon 12/295:00 amMFR - COS
1 stop4h 52mUnited Airlines
Deal found 12/25$419
This Orbitz deal was found by Cheapflights users on 12/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:36 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Thu 1/110:47 amBOI - DEN
1 stop7h 05mMultiple Airlines
Deal found 12/24$425

Find flight deals from Colorado to Oregon

Keep the following information in mind while searching for Colorado to Oregon flight deals. Data was last updated December 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$66
(Frontier)

One-way from

$32
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$232

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 Oregon
Search Deals
One-way flight from Colorado to Oregon
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 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 Oregon.
Search Deals
Price to beat on a one-way flight from Colorado to Oregon.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Oregon 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 28, 2025.
Use the filters below to find and compare flights from Colorado to Oregon that are best for you.

Fly from

Colorado

Fly to

Oregon

Route

Depart

Return

Price

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

Wed 5/13

7:50 am-9:40 am

Nonstop2h 50m

Portland

Sun 5/17

6:59 pm-10:28 pm

Nonstop2h 29m

$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

Wed 1/28

7:00 am-1:48 pm

1 stop7h 48m

Portland

Sat 1/31

2:38 pm-11:35 pm

1 stop7h 57m

$156

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 2/10

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Tue 2/17

5:40 am-10:42 am

1 stop5h 02m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 2/21

7:00 am-12:25 pm

1 stop6h 25m

Portland

Sat 2/28

9:20 am-5:27 pm

1 stop7h 07m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 2/13

9:19 pm-11:14 pm

Nonstop2h 55m

Portland

Sun 2/15

6:57 pm-10:30 pm

Nonstop2h 33m

$157

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 1/24

7:59 am-12:32 pm

1 stop5h 33m

Portland

Sat 1/31

5:08 pm-10:23 pm

1 stop4h 15m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 1/22

11:49 am-1:44 pm

Nonstop2h 55m

Portland

Sun 1/25

7:21 am-10:53 am

Nonstop2h 32m

$157

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 5/14

8:00 am-9:49 am

Nonstop2h 49m

Portland

Sun 5/17

7:00 am-10:49 am

Nonstop2h 49m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Colorado to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon 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 Oregon

What is the cheapest month to book a flight from Colorado to Oregon?

Currently, January is the cheapest month in which you can book a flight from Colorado to Oregon (average of $52). Flying from Colorado to Oregon 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 OR?

Find hourly flight availability from Colorado to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

One of the essential ways to save on airfare from Colorado to Oregon is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

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

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

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

Weekly flight availability from Colorado to Oregon

Explore weekly flight availability from Colorado to Oregon. 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 28, 2025.

The most flights from USCO to USOR are scheduled on a Saturday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated December 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Colorado to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,552 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,256 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,114 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Frontier
5.8
Fair
3,064 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Colorado to Oregon flight route?

    Flights from Colorado to Oregon have been viewed 72 times in the past calendar month.

  • How long is the flight from Colorado to Oregon?

    There are many flights that can get you from Colorado to Oregon in 2h 50m. Fly via Alaska Airlines, United Airlines, or Hawaiian Airlines to get the fastest option. There are 989 mi between Colorado and Oregon. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $30. Users have also found prices from $78 and $78 on Hawaiian Airlines and Southwest, respectively.

  • Can I find deals for flights from Colorado to Oregon that include hotel bookings?

    Yes. In addition to deals on Colorado to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Oregon.

  • Can I find deals for business class flights from Colorado to Oregon?

    Yes. Cheapflights offers flight deals from Colorado to Oregon 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 Oregon?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Oregon (average of $52). Flying from Colorado to Oregon 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

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 Oregon

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Los Angeles to John F Kennedy Intl flights
Newark to West Palm Beach flights
Newark to Las Vegas flights
John F Kennedy Intl to Orlando flights
Newark to Orlando flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to LaGuardia flights
LaGuardia to Orlando flights
San Francisco to Las Vegas flights
Dallas/Fort Worth to John F Kennedy Intl flights
Minneapolis to Sky Harbor Intl flights
Seattle to Los Angeles flights
Seattle to Las Vegas flights
John F Kennedy Intl to West Palm Beach flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to Honolulu flights
Boston to Fort Lauderdale flights
Newark to Los Angeles flights
Los Angeles to Newark flights
Miami to John F Kennedy Intl flights
Los Angeles to Seattle flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to West Palm Beach flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to Sky Harbor Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Dulles Intl to Miami flights
Boston to Orlando flights
O'Hare Intl to Los Angeles flights
John F Kennedy Intl to Sky Harbor Intl flights
Detroit to Orlando flights
LaGuardia to Tampa flights
Boston to Miami flights
Detroit to Fort Lauderdale flights
O'Hare Intl to Orlando flights
Baltimore to Fort Lauderdale flights
Fort Lauderdale to John F Kennedy Intl flights
O'Hare Intl to Dallas/Fort Worth flights
Reagan-National to Miami flights
Dallas/Fort Worth to Denver flights
Dulles Intl to Las Vegas flights

Top 7 airlines flying from Colorado to Oregon

Discover the top 7 airlines that operate flights from Colorado to Oregon. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$281FlexibilityNo cancel feeOn-time85%
DeltaCheapest$104Average$284FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$136Average$428FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$149Average$297FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$354FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$210Average$409FlexibilityNo 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.