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$26+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:55 pmPDX - DEN
Nonstop2h 28mFrontier
Sun 1/119:52 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 10/29$96
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:26 pmPDX - DEN
Nonstop2h 41mFrontier
Tue 11/1810:05 amDEN - PDX
Nonstop2h 51mFrontier
Deal found 10/28$97
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:14 amPDX - DEN
1 stop12h 06mFrontier
Sun 12/79:56 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 10/30$99
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:59 pmPDX - DEN
1 stop24h 40mFrontier
Thu 1/19:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 10/28$101
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:47 pmPDX - DEN
Nonstop2h 28mFrontier
Tue 12/3010:29 pmDEN - PDX
2 stops39h 55mFrontier
Deal found 10/28$102
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amPDX - DEN
Nonstop2h 35mMultiple Airlines
Sun 11/231:10 pmDEN - PDX
Nonstop2h 57mMultiple Airlines
Deal found 10/28$103
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:52 pmPDX - DEN
Nonstop2h 43mFrontier
Mon 11/176:00 amDEN - PDX
1 stop14h 59mFrontier
Deal found 10/28$106
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:10 amPDX - DEN
Nonstop2h 35mMultiple Airlines
Fri 12/129:56 amDEN - PDX
Nonstop3h 00mMultiple Airlines
Deal found 10/29$108
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:47 pmPDX - DEN
Nonstop2h 28mFrontier
Thu 12/259:43 amDEN - PDX
Nonstop3h 00mFrontier
Deal found 10/28$110
This Orbitz deal was found by Cheapflights users on 10/27. 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.
Fri 12/1212:55 pmPDX - DEN
Nonstop2h 28mMultiple Airlines
Sun 1/47:20 amDEN - PDX
Nonstop2h 58mMultiple Airlines
Deal found 10/27$113
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:02 pmPDX - DEN
1 stop22h 02mFrontier
Sun 11/1610:05 amDEN - PDX
Nonstop2h 51mFrontier
Deal found 10/28$114
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:41 pmBOI - DEN
1 stop10h 23mMultiple Airlines
Sun 12/79:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Deal found 10/30$119

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$96
(Kiwi.com)

One-way from

$26
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$212

Good round-trip deal

$241 or less

Good one-way deal

$120 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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 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

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/17

5:50 pm-9:28 pm

Nonstop2h 38m

Denver Intl

Tue 12/30

7:20 am-9:18 am

Nonstop2h 58m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 1/6

5:50 pm-9:28 pm

Nonstop2h 38m

Denver Intl

Tue 1/13

11:49 am-1:45 pm

Nonstop2h 56m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 12/30

9:00 pm-12:25 am

Nonstop2h 25m

Denver Intl

Fri 1/2

7:05 am-9:00 am

Nonstop2h 55m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 11/19

12:05 pm-6:00 pm

1 stop4h 55m

Denver Intl

Sat 11/22

10:50 pm-12:40 am

Nonstop2h 50m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Mon 12/8

5:00 am-8:31 am

Nonstop2h 31m

Denver Intl

Mon 12/15

7:46 am-9:38 am

Nonstop2h 52m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 1/23

7:21 am-10:53 am

Nonstop2h 32m

Denver Intl

Mon 1/26

11:49 am-1:45 pm

Nonstop2h 56m

$157

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 11/21

12:48 pm-2:52 pm

Nonstop2h 04m

Denver Intl

Sun 11/23

9:44 am-11:48 am

Nonstop2h 04m

$158

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/3

9:55 am-6:00 pm

2 stops7h 05m

Denver Intl

Thu 12/4

8:45 pm-10:35 pm

Nonstop2h 50m

$162

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/10

9:55 am-6:00 pm

2 stops7h 05m

Denver Intl

Sat 12/13

7:55 am-1:55 pm

1 stop7h 00m

$162

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 1/23

2:38 pm-11:36 pm

1 stop7h 58m

Denver Intl

Tue 1/27

5:09 pm-10:46 pm

1 stop6h 37m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, February is the cheapest month in which you can book a flight from Oregon to Colorado (average of $39). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Oregon to Colorado in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% 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.

How much does it cost to fly round-trip from Oregon to Colorado?

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 October 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
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,993 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 207 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 25m. Oregon and Colorado are separated by a distance of 989 mi. Generally, flights for this route are nonstop.

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

    $56 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 $69 and $69, 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 $39). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$147FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$277FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$139Average$431FlexibilityNo cancel feeOn-time69%
DeltaCheapest$147Average$295FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$363FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$166Average$293FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$384FlexibilityNo cancel feeOn-time71%

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