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$44+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Colorado to Oregon

Keep the following information in mind while searching for Colorado to Oregon flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$72
(Kiwi.com)

One-way from

$44
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$158

Good round-trip deal

$116 or less

Good one-way deal

$94 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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From Colorado to Oregon
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One-way flight from Colorado to Oregon
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Highest demand for flights based on searches. 3% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Colorado to Oregon.
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Price to beat on a one-way flight from Colorado to Oregon.
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Find 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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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 6/710:50 pmDEN - PDX
Nonstop2h 50mFrontier
Tue 6/106:20 amPDX - DEN
Nonstop2h 37mFrontier
Deal found 2/19$72
This Expedia deal was found by Cheapflights users on 2/20. 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.
Fri 5/26:37 pmDEN - PDX
Nonstop2h 48mMultiple Airlines
Mon 5/56:20 amPDX - DEN
Nonstop2h 38mMultiple Airlines
Deal found 2/20$133
This Frontier deal was found by Cheapflights users on 2/19. 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.
Thu 5/159:50 amDEN - BOI
Nonstop1h 57mFrontier
Sun 5/1812:36 pmBOI - DEN
Nonstop1h 58mFrontier
Deal found 2/19$163
This Southwest deal was found by Cheapflights users on 2/20. 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.
Sun 3/2310:50 pmDEN - PDX
Nonstop2h 45mSouthwest
Wed 3/264:30 pmPDX - DEN
1 stop5h 40mSouthwest
Deal found 2/20$187
This Delta deal was found by Cheapflights users on 2/20. 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 3/135:45 amDEN - RDM
1 stop7h 23mDelta
Fri 3/146:00 amRDM - DEN
1 stop6h 29mDelta
Deal found 2/20$189
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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 4/226:37 pmDEN - BOI
1 stop5h 22mHawaiian Airlines
Wed 4/236:03 amBOI - DEN
1 stop5h 18mHawaiian Airlines
Deal found 2/18$196
This Southwest deal was found by Cheapflights users on 2/19. 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 4/78:30 amDEN - BOI
Nonstop2h 00mSouthwest
Mon 4/145:05 amBOI - DEN
Nonstop1h 55mSouthwest
Deal found 2/19$197
This Delta deal was found by Cheapflights users on 2/20. 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 4/176:30 amDEN - PDX
1 stop7h 39mDelta
Mon 4/215:15 pmPDX - DEN
1 stop5h 25mDelta
Deal found 2/20$197
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/18:55 pmDEN - BOI
Nonstop2h 08mUnited Airlines
Tue 4/85:25 pmBOI - DEN
Nonstop1h 59mUnited Airlines
Deal found 2/19$198
This Expedia deal was found by Cheapflights users on 2/19. 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 6/37:05 pmDEN - BOI
1 stop4h 54mMultiple Airlines
Tue 6/1012:36 pmBOI - DEN
Nonstop1h 58mMultiple Airlines
Deal found 2/19$202
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/266:00 amCOS - PDX
1 stop4h 47mUnited Airlines
Tue 4/297:54 amPDX - COS
2 stops7h 49mUnited Airlines
Deal found 2/20$203
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 4/42:53 pmDEN - BOI
1 stop9h 06mAlaska Airlines
Mon 4/76:00 amBOI - DEN
1 stop7h 53mAlaska Airlines
Deal found 2/19$206

Find flights from Colorado to Oregon within your budget

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 February 20, 2025.

Fly from

Colorado

Fly to

Oregon

Route

Depart

Return

Price

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 6/7

10:50 pm-12:40 am

Nonstop2h 50m

Portland

Tue 6/10

6:20 am-9:57 am

Nonstop2h 37m

$72

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 5/2

6:37 pm-8:25 pm

Nonstop2h 48m

Portland

Mon 5/5

6:20 am-9:58 am

Nonstop2h 38m

$133

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 5/15

9:50 am-11:47 am

Nonstop1h 57m

Boise Air Term. Gowen Fld

Sun 5/18

12:36 pm-2:34 pm

Nonstop1h 58m

$163

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sun 3/23

10:50 pm-12:35 am

Nonstop2h 45m

Portland

Wed 3/26

4:30 pm-11:10 pm

1 stop5h 40m

$187

DenverRedmond

DEN - RDM

DENRDM

Denver Intl

Thu 3/13

5:45 am-12:08 pm

1 stop7h 23m

Bend/Redmond

Mon 3/17

5:36 pm-11:48 pm

1 stop5h 12m

$189

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 4/22

6:37 pm-11:59 pm

1 stop5h 22m

Boise Air Term. Gowen Fld

Wed 4/23

6:03 am-11:21 am

1 stop5h 18m

$196

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Mon 4/7

8:30 am-10:30 am

Nonstop2h 00m

Boise Air Term. Gowen Fld

Mon 4/14

5:05 am-7:00 am

Nonstop1h 55m

$197

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 4/17

6:30 am-1:09 pm

1 stop7h 39m

Portland

Mon 4/21

5:15 pm-11:40 pm

1 stop5h 25m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 4/1

8:55 pm-11:03 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Tue 4/8

5:25 pm-7:24 pm

Nonstop1h 59m

$198

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 4/26

6:00 am-9:47 am

1 stop4h 47m

Portland

Tue 4/29

7:54 am-4:43 pm

2 stops7h 49m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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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.

Travel insights for flights from Colorado to Oregon

Get recent, data-driven insights about flights from Colorado to Oregon including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Oregon (average of $277). Flying from Colorado to Oregon in March is currently the most expensive (average of $376). 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 February 20, 2025.

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

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 February 20, 2025.

The most flights from USCO to USOR are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Oregon by month

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

In terms of precipitation, rainfall in Oregon ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Oregon when rainfall is around 0.7 in.

Temperature in Oregon by month

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

If weather is an important factor for your trip to Oregon, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 February 20, 2025.
To help decide which airline to fly from Colorado to Oregon, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 42 times in the past calendar month.

  • 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 $44. Users have also found prices from $94 and $95 on Hawaiian Airlines and Delta, 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, November is the cheapest month in which you can book a flight from Colorado to Oregon (average of $277). Flying from Colorado to Oregon in March is currently the most expensive (average of $376). 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 Colorado to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Colorado to Oregon

Discover the top 6 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$124FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$129Average$319FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$137Average$498FlexibilityNo cancel feeOn-time69%
DeltaCheapest$148Average$312FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$148Average$369FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$424FlexibilityNo cancel feeOn-time71%
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