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$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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$101
(Priceline)

One-way from

$66
(Priceline)

Popular in

March

Cheapest in

September

Average price

$196

Good round-trip deal

$183 or less

Good one-way deal

$116 or less
From Oregon to Colorado
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One-way flight from Oregon to Colorado
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Highest demand for flights based on searches. 5% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 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 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 July 30, 2025.

This Priceline deal was found by Cheapflights users on 7/27. 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.
Thu 8/1412:36 pmBOI - DEN
Nonstop2h 00mFrontier
Sun 8/179:50 amDEN - BOI
Nonstop1h 56mFrontier
Deal found 7/27$101
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:15 amPDX - DEN
Nonstop2h 43mFrontier
Mon 9/2210:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 7/29$101
This Southwest deal was found by Cheapflights users on 7/28. 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 9/205:10 amPDX - DEN
Nonstop2h 30mSouthwest
Sat 9/272:50 pmDEN - PDX
Nonstop2h 35mSouthwest
Deal found 7/28$157
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:05 pmPDX - COS
1 stop4h 13mDelta
Tue 9/95:55 pmCOS - PDX
1 stop5h 40mDelta
Deal found 7/29$177
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/271:31 pmRDM - DEN
1 stop5h 56mHawaiian Airlines
Wed 9/36:17 pmDEN - RDM
1 stop7h 05mHawaiian Airlines
Deal found 7/28$188
This Delta deal was found by Cheapflights users on 7/28. 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 8/3011:20 amRDM - DEN
1 stop6h 48mDelta
Mon 9/16:50 amDEN - RDM
1 stop4h 50mDelta
Deal found 7/28$189
This Orbitz deal was found by Cheapflights users on 7/27. 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 8/268:00 amBOI - DEN
1 stop6h 06mMultiple Airlines
Thu 8/289:36 amDEN - BOI
Nonstop2h 02mMultiple Airlines
Deal found 7/27$193
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:35 pmPDX - COS
1 stop8h 55mSouthwest
Tue 9/96:00 amCOS - PDX
1 stop6h 05mSouthwest
Deal found 7/29$197
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/221:35 pmBOI - DEN
1 stop8h 11mHawaiian Airlines
Sat 10/253:00 pmDEN - BOI
1 stop8h 22mHawaiian Airlines
Deal found 7/30$198
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:00 amBOI - DEN
Nonstop2h 05mUnited Airlines
Tue 9/27:15 pmDEN - BOI
Nonstop1h 59mUnited Airlines
Deal found 7/29$199
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/94:34 pmBOI - DEN
1 stop5h 28mAlaska Airlines
Fri 9/129:23 pmDEN - BOI
1 stop13h 14mAlaska Airlines
Deal found 7/29$207
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 10/244:08 pmMFR - DEN
1 stop6h 39mAlaska Airlines
Thu 10/307:19 pmDEN - MFR
1 stop18h 30mAlaska Airlines
Deal found 7/28$208

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 July 30, 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

Thu 8/14

12:36 pm-2:36 pm

Nonstop2h 00m

Denver Intl

Sun 8/17

9:50 am-11:46 am

Nonstop1h 56m

$101

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/20

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Mon 9/22

10:29 pm-12:12 am

Nonstop2h 43m

$101

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/20

5:10 am-8:40 am

Nonstop2h 30m

Denver Intl

Sat 9/27

2:50 pm-4:25 pm

Nonstop2h 35m

$157

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Wed 8/27

5:05 pm-10:18 pm

1 stop4h 13m

Colorado Springs

Tue 9/9

5:55 pm-10:35 pm

1 stop5h 40m

$177

RedmondDenver

RDM - DEN

RDMDEN

Bend/Redmond

Wed 8/27

1:31 pm-8:27 pm

1 stop5h 56m

Denver Intl

Wed 9/3

6:17 pm-12:22 am

1 stop7h 05m

$188

RedmondDenver

RDM - DEN

RDMDEN

Bend/Redmond

Sat 8/30

11:20 am-7:08 pm

1 stop6h 48m

Denver Intl

Mon 9/1

6:50 am-10:40 am

1 stop4h 50m

$189

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/26

8:00 am-2:06 pm

1 stop6h 06m

Denver Intl

Thu 8/28

9:36 am-11:38 am

Nonstop2h 02m

$193

PortlandColorado Springs

PDX - COS

PDXCOS

Portland

Thu 9/4

12:35 pm-10:30 pm

1 stop8h 55m

Colorado Springs

Tue 9/9

6:00 am-11:05 am

1 stop6h 05m

$197

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 10/22

1:35 pm-9:46 pm

1 stop8h 11m

Denver Intl

Sat 10/25

3:00 pm-11:22 pm

1 stop8h 22m

$198

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/26

5:00 am-7:05 am

Nonstop2h 05m

Denver Intl

Tue 9/2

7:15 pm-9:14 pm

Nonstop1h 59m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 30, 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 July 30, 2025.

The most flights from USOR to USCO are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 July 30, 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
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 216 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 Hawaiian Airlines, with prices starting from $76 and $82, 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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$135FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$94Average$298FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$157Average$467FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$368FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$382FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$163Average$296FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$278FlexibilityNo cancel feeOn-timeN/A

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