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$59+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$96
(Cheapflightsfares)

One-way from

$59
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$237

Good round-trip deal

$239 or less

Good one-way deal

$136 or less
Provider with most accurate pricing for Portland-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
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From Oregon to Colorado
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One-way flight from Oregon to Colorado
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Oregon to Colorado.
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Price to beat on a one-way flight from Oregon to Colorado.
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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 March 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:20 amPDX - DEN
Nonstop2h 38mFrontier
Wed 5/79:43 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 3/30$96
This Orbitz deal was found by Cheapflights users on 3/31. 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.
Tue 4/296:20 amPDX - DEN
Nonstop2h 36mMultiple Airlines
Tue 5/66:37 pmDEN - PDX
Nonstop2h 48mMultiple Airlines
Deal found 3/31$143
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/177:00 amPDX - DEN
Nonstop2h 40mHawaiian Airlines
Tue 5/207:05 pmDEN - PDX
Nonstop2h 45mHawaiian Airlines
Deal found 3/30$177
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/231:45 pmPDX - DEN
1 stop7h 59mUnited Airlines
Sat 4/268:00 amDEN - PDX
Nonstop2h 47mUnited Airlines
Deal found 3/30$183
This Southwest deal was found by Cheapflights users on 3/31. 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 5/36:10 amPDX - DEN
1 stop5h 45mSouthwest
Sat 5/104:00 pmDEN - PDX
Nonstop2h 40mSouthwest
Deal found 3/31$187
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2412:36 pmBOI - DEN
Nonstop1h 58mMultiple Airlines
Sat 6/286:00 amDEN - BOI
1 stop6h 20mMultiple Airlines
Deal found 3/30$192
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/296:30 amBOI - DEN
Nonstop1h 57mUnited Airlines
Wed 6/47:45 amDEN - BOI
Nonstop2h 01mUnited Airlines
Deal found 3/30$194
This Southwest deal was found by Cheapflights users on 3/30. 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.
Mon 5/265:05 amBOI - DEN
Nonstop1h 55mSouthwest
Tue 5/279:35 pmDEN - BOI
Nonstop1h 55mSouthwest
Deal found 3/30$197
This Southwest deal was found by Cheapflights users on 3/30. 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 5/32:50 pmPDX - COS
1 stop6h 20mSouthwest
Wed 5/75:50 pmCOS - PDX
1 stop6h 35mSouthwest
Deal found 3/30$197
This CheapTickets.de deal was found by Cheapflights users on 3/30. 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 CheapTickets.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/243:57 pmRDM - DEN
1 stop4h 18mMultiple Airlines
Mon 4/286:37 pmDEN - RDM
1 stop5h 16mMultiple Airlines
Deal found 3/30$198
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 6/109:30 amPDX - DEN
1 stop6h 19mAlaska Airlines
Tue 6/107:05 pmDEN - PDX
Nonstop2h 45mAlaska Airlines
Deal found 3/29$201
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 6/98:34 pmBOI - DEN
1 stop14h 06mAlaska Airlines
Tue 6/107:05 pmDEN - BOI
1 stop4h 54mAlaska Airlines
Deal found 3/31$203

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 March 31, 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

Sat 5/3

6:20 am-9:58 am

Nonstop2h 38m

Denver Intl

Wed 5/7

9:43 pm-11:27 pm

Nonstop2h 44m

$96

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 4/29

6:20 am-9:56 am

Nonstop2h 36m

Denver Intl

Tue 5/6

6:37 pm-8:25 pm

Nonstop2h 48m

$143

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 5/17

7:00 am-10:40 am

Nonstop2h 40m

Denver Intl

Tue 5/20

7:05 pm-8:50 pm

Nonstop2h 45m

$177

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 4/23

1:45 pm-10:44 pm

1 stop7h 59m

Denver Intl

Sat 4/26

8:00 am-9:47 am

Nonstop2h 47m

$183

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 5/3

6:10 am-12:55 pm

1 stop5h 45m

Denver Intl

Sat 5/10

4:00 pm-5:40 pm

Nonstop2h 40m

$187

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 6/24

12:36 pm-2:34 pm

Nonstop1h 58m

Denver Intl

Sat 6/28

6:00 am-12:20 pm

1 stop6h 20m

$192

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 5/29

6:30 am-8:27 am

Nonstop1h 57m

Denver Intl

Wed 6/4

7:45 am-9:46 am

Nonstop2h 01m

$194

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 5/26

5:05 am-7:00 am

Nonstop1h 55m

Denver Intl

Tue 5/27

9:35 pm-11:30 pm

Nonstop1h 55m

$197

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Sat 5/3

2:50 pm-10:10 pm

1 stop6h 20m

Colorado Springs

Wed 5/7

5:50 pm-11:25 pm

1 stop6h 35m

$197

RedmondDenver

RDM - DEN

RDMDEN

Bend/Redmond

Thu 4/24

3:57 pm-9:15 pm

1 stop4h 18m

Denver Intl

Mon 4/28

6:37 pm-10:53 pm

1 stop5h 16m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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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 March 31, 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 March 31, 2025.

The most flights from USOR to USCO are scheduled on a Monday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 March 31, 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
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 279 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?

    $59 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $89 and $95, 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.
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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$116FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$247FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$143Average$306FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$149Average$488FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$373FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$304FlexibilityNo cancel feeOn-timeN/A
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