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$69+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$107
(Priceline)

One-way from

$69
(Priceline)

Popular in

March

Cheapest in

January

Average price

$191

Good round-trip deal

$168 or less

Good one-way deal

$118 or less
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. 11% potential increase in price ($24 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 July 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 July 1, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:50 amDEN - BOI
Nonstop1h 56mFrontier
Sun 8/312:36 pmBOI - DEN
Nonstop2h 00mFrontier
Deal found 6/29$107
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:29 pmDEN - PDX
Nonstop2h 46mFrontier
Tue 9/26:51 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 7/1$117
This Expedia deal was found by Cheapflights users on 6/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:48 amDEN - BOI
Nonstop1h 52mMultiple Airlines
Wed 10/87:21 amBOI - DEN
1 stop6h 39mMultiple Airlines
Deal found 6/29$172
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 9/96:17 pmDEN - EUG
1 stop7h 08mHawaiian Airlines
Tue 9/161:35 pmEUG - DEN
1 stop5h 52mHawaiian Airlines
Deal found 7/1$196
This Southwest deal was found by Cheapflights users on 6/30. 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.
Thu 10/29:55 amDEN - BOI
Nonstop2h 00mSouthwest
Wed 10/84:15 pmBOI - DEN
Nonstop1h 50mSouthwest
Deal found 6/30$197
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:50 amDEN - EUG
1 stop4h 50mDelta
Wed 8/2012:40 pmEUG - DEN
1 stop6h 05mDelta
Deal found 6/30$197
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/95:55 pmCOS - PDX
1 stop5h 40mDelta
Tue 8/125:05 pmPDX - COS
1 stop4h 13mDelta
Deal found 6/30$197
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/308:00 amDEN - BOI
1 stop7h 00mHawaiian Airlines
Tue 10/77:21 amBOI - DEN
1 stop6h 39mHawaiian Airlines
Deal found 7/1$201
This Southwest deal was found by Cheapflights users on 6/30. 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 8/911:05 amCOS - PDX
2 stops9h 30mSouthwest
Tue 8/122:30 pmPDX - COS
1 stop6h 30mSouthwest
Deal found 6/30$202
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 10/11:06 pmDEN - BOI
1 stop5h 10mAlaska Airlines
Tue 10/77:21 amBOI - DEN
1 stop6h 39mAlaska Airlines
Deal found 7/1$206
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:23 pmDEN - EUG
1 stop16h 19mAlaska Airlines
Mon 9/221:35 pmEUG - DEN
1 stop7h 12mAlaska Airlines
Deal found 6/30$206
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 8/185:30 amDEN - EUG
1 stop7h 40mUnited Airlines
Wed 8/205:00 amEUG - DEN
Nonstop2h 37mUnited Airlines
Deal found 6/30$207

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 July 1, 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

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Sun 7/27

9:50 am-11:46 am

Nonstop1h 56m

Boise Air Term. Gowen Fld

Sun 8/3

12:36 pm-2:36 pm

Nonstop2h 00m

$107

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 8/14

10:30 pm-12:16 am

Nonstop2h 46m

Portland

Mon 8/18

11:00 am-6:58 pm

1 stop6h 58m

$123

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 8/14

6:00 am-1:55 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Sun 8/17

12:36 pm-2:36 pm

Nonstop2h 00m

$182

DenverEugene

DEN - EUG

DENEUG

Denver Intl

Tue 9/9

6:17 pm-12:25 am

1 stop7h 08m

Eugene

Tue 9/16

1:35 pm-8:27 pm

1 stop5h 52m

$196

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Mon 9/22

10:10 pm-12:05 am

Nonstop1h 55m

Boise Air Term. Gowen Fld

Wed 10/1

1:15 pm-3:10 pm

Nonstop1h 55m

$197

DenverEugene

DEN - EUG

DENEUG

Denver Intl

Mon 8/18

6:50 am-10:40 am

1 stop4h 50m

Eugene

Wed 8/20

12:40 pm-7:45 pm

1 stop6h 05m

$197

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 8/9

5:55 pm-10:35 pm

1 stop5h 40m

Portland

Tue 8/12

5:05 pm-10:18 pm

1 stop4h 13m

$197

Colorado SpringsPortland

COS - PDX

COSPDX

Colorado Springs

Sat 8/9

11:05 am-7:35 pm

2 stops9h 30m

Portland

Tue 8/12

2:30 pm-10:00 pm

1 stop6h 30m

$202

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 9/3

11:40 am-4:50 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Tue 9/16

9:00 am-5:21 pm

1 stop8h 21m

$206

DenverEugene

DEN - EUG

DENEUG

Denver Intl

Thu 9/18

9:23 pm-12:42 pm

1 stop16h 19m

Eugene

Mon 9/22

1:35 pm-9:47 pm

1 stop7h 12m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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.

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, 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 $368). 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 July 1, 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.

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 July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 65 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 $69. Users have also found prices from $88 and $89 on Alaska 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 $368). 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 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$144FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$253FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$291FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$460FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$389FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$165Average$301FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$418FlexibilityNo cancel feeOn-time71%

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