HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$66+ Cheap flights from Oregon to Colorado

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Colorado 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 Oregon to Colorado

Keep the following information in mind while searching for Oregon to Colorado flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$135
(Cheapflightsfares)

One-way from

$66
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$197

Good round-trip deal

$247 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Portland-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
Search Deals
From Oregon to Colorado
Search Deals
One-way flight from Oregon to Colorado
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 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 April 2025
Search Deals
Price to beat on a round-trip flight from Oregon to Colorado.
Search Deals
Price to beat on a one-way flight from Oregon to Colorado.
Search Deals

Find flight deals from Oregon to Colorado

Cheapest flights from Oregon to Colorado
Explore the most affordable flight options available from Oregon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 5/66:20 amPDX - DEN
Nonstop2h 38mFrontier
Wed 5/149:43 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 4/17$135
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Thu 5/2212:36 pmBOI - DEN
Nonstop1h 59mFrontier
Tue 5/279:54 amDEN - BOI
Nonstop1h 57mFrontier
Deal found 4/16$146
This Expedia deal was found by Cheapflights users on 4/17. 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.
Sat 5/316:35 amPDX - DEN
Nonstop2h 38mMultiple Airlines
Tue 6/311:40 amDEN - PDX
Nonstop2h 30mMultiple Airlines
Deal found 4/17$163
This Expedia deal was found by Cheapflights users on 4/16. 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 7/15:43 pmBOI - DEN
1 stop6h 16mMultiple Airlines
Sun 7/69:50 amDEN - BOI
Nonstop1h 56mMultiple Airlines
Deal found 4/16$183
This Southwest deal was found by Cheapflights users on 4/17. 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.
Tue 5/1312:50 pmPDX - DEN
Nonstop2h 30mSouthwest
Tue 5/205:15 pmDEN - PDX
1 stop7h 10mSouthwest
Deal found 4/17$187
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/245:43 pmBOI - DEN
Nonstop1h 57mUnited Airlines
Tue 5/277:27 pmDEN - BOI
Nonstop1h 59mUnited Airlines
Deal found 4/17$189
This Southwest deal was found by Cheapflights users on 4/17. 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.
Tue 6/35:25 pmBOI - DEN
1 stop4h 55mSouthwest
Wed 6/48:20 amDEN - BOI
Nonstop1h 55mSouthwest
Deal found 4/17$199
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/137:45 amPDX - DEN
Nonstop2h 36mAlaska Airlines
Tue 5/206:00 amDEN - PDX
1 stop5h 53mAlaska Airlines
Deal found 4/17$204
This Delta deal was found by Cheapflights users on 4/17. 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.
Tue 5/131:21 pmPDX - DEN
1 stop7h 26mDelta
Fri 5/165:30 amDEN - PDX
1 stop4h 12mDelta
Deal found 4/17$207
This Hawaiian Airlines deal was found by Cheapflights users on 4/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/85:59 pmRDM - DEN
1 stop5h 00mHawaiian Airlines
Tue 7/156:00 amDEN - RDM
1 stop6h 18mHawaiian Airlines
Deal found 4/16$208
This Delta deal was found by Cheapflights users on 4/17. 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 5/2412:50 pmBOI - DEN
1 stop6h 40mDelta
Tue 5/277:05 amDEN - BOI
1 stop4h 49mDelta
Deal found 4/17$209
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/286:00 amRDM - DEN
1 stop5h 04mDelta
Sun 6/17:05 amDEN - RDM
1 stop5h 43mDelta
Deal found 4/16$209

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon to Colorado 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 April 17, 2025.
Use the filters below to find and compare flights from Oregon to Colorado that are best for you.

Fly from

Oregon

Fly to

Colorado

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 5/6

6:20 am-9:58 am

Nonstop2h 38m

Denver Intl

Wed 5/14

9:43 pm-11:27 pm

Nonstop2h 44m

$135

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 5/22

12:36 pm-2:35 pm

Nonstop1h 59m

Denver Intl

Tue 5/27

9:54 am-11:51 am

Nonstop1h 57m

$146

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 5/31

6:35 am-10:13 am

Nonstop2h 38m

Denver Intl

Tue 6/3

11:40 am-1:10 pm

Nonstop2h 30m

$163

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 7/15

4:45 pm-6:45 pm

Nonstop2h 00m

Denver Intl

Wed 7/16

9:45 pm-11:40 pm

Nonstop1h 55m

$177

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 5/28

5:39 pm-12:05 am

1 stop6h 26m

Denver Intl

Sun 6/1

9:50 am-11:47 am

Nonstop1h 57m

$183

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 5/13

12:50 pm-4:20 pm

Nonstop2h 30m

Denver Intl

Tue 5/20

5:15 pm-11:25 pm

1 stop7h 10m

$187

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sat 5/24

5:43 pm-7:40 pm

Nonstop1h 57m

Denver Intl

Tue 5/27

7:27 pm-9:26 pm

Nonstop1h 59m

$189

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 5/7

4:20 pm-11:59 pm

1 stop7h 39m

Denver Intl

Wed 5/14

2:39 pm-10:39 pm

1 stop8h 00m

$198

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 5/13

7:45 am-11:21 am

Nonstop2h 36m

Denver Intl

Tue 5/20

6:00 am-10:53 am

1 stop5h 53m

$204

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 5/13

1:21 pm-9:47 pm

1 stop7h 26m

Denver Intl

Fri 5/16

5:30 am-8:42 am

1 stop4h 12m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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

Best time to book a flight from Oregon to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from Oregon to Colorado (average of $197). Flying from Oregon to Colorado in March is currently the most expensive (average of $278). 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 OR to CO?

Find hourly flight availability from Oregon to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Colorado as you normally would.

Weekly flight availability from Oregon to Colorado

Explore weekly flight availability from Oregon to Colorado. 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 April 17, 2025.

The most flights from USOR to USCO are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 17, 2025.
To help decide which airline to fly from Oregon to Colorado, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Oregon to Colorado. 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 Oregon to Colorado flight route?

    This flight path from Oregon to Colorado was viewed by 281 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 Oregon to Colorado one-way?

    $66 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Southwest, with prices starting from $88 and $89, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Oregon to Colorado (average of $197). Flying from Oregon to Colorado in March is currently the most expensive (average of $278). 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 Oregon to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
John F Kennedy Intl to Miami flights
Newark to Los Angeles flights
LaGuardia to Miami flights
Newark to Miami flights
San Francisco to John F Kennedy Intl flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Fort Lauderdale flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
John F Kennedy Intl to Las Vegas flights
O'Hare Intl to Las Vegas flights
Newark to Las Vegas flights
John F Kennedy Intl to San Francisco flights
LaGuardia to Orlando flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to Newark flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Orlando flights
LaGuardia to Atlanta flights
Los Angeles to Boston flights
Dallas/Fort Worth to O'Hare Intl flights
Los Angeles to Honolulu flights
Newark to O'Hare Intl flights
Newark to Seattle flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to LaGuardia flights
Dallas/Fort Worth to Las Vegas flights
San Francisco to Newark flights
John F Kennedy Intl to Seattle flights
Newark to Tampa flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to Seattle flights
John F Kennedy Intl to West Palm Beach flights
Newark to Dallas/Fort Worth flights
Seattle to Newark flights
Seattle to Los Angeles flights
Los Angeles to LaGuardia flights
LaGuardia to Los Angeles flights
Newark to San Francisco flights
Seattle to Las Vegas flights
Fort Lauderdale to Newark flights
LaGuardia to Hobby flights

Top 7 airlines flying from Oregon to Colorado

Discover the top 7 airlines that operate flights from Oregon to Colorado. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$118FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$94Average$233FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$149Average$300FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$150Average$485FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$376FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$315FlexibilityNo cancel feeOn-timeN/A

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.