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$32+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap 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 diciembre 15, 2025.

This Expedia deal was found by Cheapflights users on 12/14. 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.
lun. 12/228:45 pmPDX - DEN
1 stop11h 10mMultiple Airlines
dom. 1/2511:49 amDEN - PDX
Nonstop2h 55mMultiple Airlines
Deal found 12/14$186
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
lun. 12/298:45 pmPDX - DEN
1 stop11h 10mMultiple Airlines
mar. 1/67:11 pmDEN - PDX
Nonstop2h 59mMultiple Airlines
Deal found 12/14$218
This Frontier deal was found by Cheapflights users on 12/12. 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.
lun. 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
mié. 12/316:15 amDEN - PDX
1 stop9h 45mFrontier
Deal found 12/12$228
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
mié. 12/313:59 pmPDX - DEN
1 stop15h 56mFrontier
mié. 1/710:29 pmDEN - PDX
1 stop14h 54mFrontier
Deal found 12/14$230
This Frontier deal was found by Cheapflights users on 12/14. 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.
lun. 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
mié. 12/246:15 amDEN - PDX
1 stop9h 45mFrontier
Deal found 12/14$234
This Frontier deal was found by Cheapflights users on 12/14. 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.
dom. 12/2812:38 pmBOI - DEN
Nonstop2h 01mFrontier
jue. 1/19:36 amDEN - BOI
Nonstop2h 07mFrontier
Deal found 12/14$242
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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.
mié. 12/319:03 pmMFR - DEN
1 stop13h 13mAlaska Airlines
mié. 1/78:04 amDEN - MFR
1 stop5h 41mAlaska Airlines
Deal found 12/14$243
This Frontier deal was found by Cheapflights users on 12/14. 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.
dom. 12/2112:38 pmBOI - DEN
Nonstop2h 01mFrontier
dom. 1/49:36 amDEN - BOI
Nonstop2h 07mFrontier
Deal found 12/14$243
This Frontier deal was found by Cheapflights users on 12/14. 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.
jue. 12/2512:38 pmBOI - DEN
Nonstop2h 01mFrontier
jue. 1/19:36 amDEN - BOI
Nonstop2h 07mFrontier
Deal found 12/14$246
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
mar. 12/302:29 pmPDX - DEN
1 stop12h 29mMultiple Airlines
mar. 1/611:31 amDEN - PDX
Nonstop3h 02mMultiple Airlines
Deal found 12/14$249
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
mar. 12/3012:47 pmPDX - DEN
Nonstop2h 28mFrontier
dom. 1/49:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/12$251
This Expedia deal was found by Cheapflights users on 12/14. 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.
lun. 12/228:45 pmPDX - DEN
1 stop11h 10mFrontier
jue. 12/259:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 12/14$257

Find flight deals from Oregon to Colorado

Keep the following information in mind while searching for Oregon to Colorado flight deals. Data was last updated diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$93
(Frontier)

One-way from

$32
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$257

Good round-trip deal

$259 or less

Good one-way deal

$146 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. 3% potential increase in price ($8 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 December 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

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 diciembre 15, 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

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

lun. 1/12

10:10 am-10:42 am

1 stop24h 32m

Denver Intl

lun. 1/19

11:23 am-1:25 pm

Nonstop2h 02m

$133

PortlandDenver

PDX - DEN

PDXDEN

Portland

sáb. 2/14

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

mar. 2/17

11:38 am-1:38 pm

Nonstop3h 00m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

dom. 2/15

5:05 am-8:38 am

Nonstop2h 33m

Denver Intl

mié. 2/18

7:20 pm-9:15 pm

Nonstop2h 55m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 1/13

7:21 am-10:53 am

Nonstop2h 32m

Denver Intl

sáb. 1/17

7:00 am-12:38 pm

1 stop6h 38m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

vie. 1/16

5:00 am-8:32 am

Nonstop2h 32m

Denver Intl

mar. 1/20

7:45 am-9:45 am

Nonstop3h 00m

$147

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

mié. 1/21

5:50 am-11:17 am

1 stop4h 27m

Colorado Springs

sáb. 1/24

7:59 am-12:32 pm

1 stop5h 33m

$157

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

sáb. 1/17

5:50 am-11:17 am

1 stop4h 27m

Colorado Springs

sáb. 1/24

7:59 am-12:32 pm

1 stop5h 33m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

mié. 2/4

5:35 pm-11:35 pm

1 stop5h 00m

Denver Intl

dom. 2/8

11:49 am-1:44 pm

Nonstop2h 55m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

mié. 2/18

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

jue. 2/19

1:10 pm-8:50 pm

1 stop8h 40m

$157

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

mié. 1/14

5:50 am-11:17 am

1 stop4h 27m

Colorado Springs

sáb. 1/17

12:00 pm-8:59 pm

2 stops9h 59m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, February is the cheapest month in which you can book a flight from Oregon to Colorado (average of $38). Flying from Oregon to Colorado in July is currently the most expensive (average of $98). 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 diciembre 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Oregon to Colorado in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

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

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

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

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 diciembre 15, 2025.

The most flights from USOR to USCO are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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 diciembre 15, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Oregon to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,452 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,092 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Frontier
5.8
Fair
3,080 reviews
Alaska Airlines
8.0
Very good
11,452 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 220 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 Oregon to Colorado?

    Departing from Oregon to Colorado will take you 2h 33m. Oregon and Colorado are separated by a distance of 989 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $34 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $74 and $78, 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, February is the cheapest month in which you can book a flight from Oregon to Colorado (average of $38). Flying from Oregon to Colorado in July is currently the most expensive (average of $98). 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

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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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$149FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$277FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$278FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$139Average$419FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$157Average$285FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$352FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$361FlexibilityNo cancel feeOn-time71%

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