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$54+ Cheap flights from Oregon to Denver (DEN)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Oregon to Denver

Cheapest flights from Oregon to Denver
Explore the most affordable flight options available from Oregon to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Tue 8/115:16 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Mon 8/173:08 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/22$191
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2012:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Thu 8/2710:39 pm
DEN
-
PDX
1 stop13h 56m
Frontier
Deal found 7/22$192
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:56 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Fri 8/213:28 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/27$193
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Mon 8/1712:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Mon 8/313:28 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/23$194
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2012:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Thu 9/36:10 am
DEN
-
PDX
1 stop7h 42m
Frontier
Deal found 7/22$195
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 8/225:56 pm
PDX
-
DEN
1 stop15h 07m
Frontier
Sat 8/293:28 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/26$196
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/312:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Thu 9/1010:44 pm
DEN
-
PDX
1 stop12h 23m
Frontier
Deal found 7/26$197
This Frontier deal was found by Cheapflights users on 7/26. 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.
Mon 8/175:49 pm
PDX
-
DEN
1 stop8h 59m
Frontier
Tue 8/253:28 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/26$198
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2012:20 pm
PDX
-
DEN
Nonstop2h 43m
Multiple Airlines
Fri 8/2812:05 pm
DEN
-
PDX
Nonstop2h 43m
Multiple Airlines
Deal found 7/22$199
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/1712:59 pm
BOI
-
DEN
Nonstop2h 01m
Frontier
Sun 9/2010:30 pm
DEN
-
BOI
1 stop16h 27m
Frontier
Deal found 7/22$200
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/237:18 am
PDX
-
DEN
Nonstop2h 49m
Multiple Airlines
Mon 8/313:28 pm
DEN
-
PDX
Nonstop2h 43m
Multiple Airlines
Deal found 7/22$200
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 8/2112:20 pm
PDX
-
DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
-
PDX
Nonstop2h 43m
Frontier
Deal found 7/25$201

Find flight deals from Oregon to Denver

Keep the following information in mind while searching for Oregon to Denver flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Cheapflightsfares)

One-way from

$54
(Expedia)

Popular in

June

Cheapest in

January

Average price

$289

Good round-trip deal

$296 or less

Good one-way deal

$178 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 Denver Intl
Search Deals
One-way flight from Oregon to Denver Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Denver Intl.
Search Deals
Price to beat on a one-way flight from Oregon to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Denver 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 27, 2026.
Use the filters below to find and compare flights from Oregon to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 8/26

7:05 am-1:40 pm

1 stop6h 35m

Denver Intl

Thu 8/27

2:20 pm-4:15 pm

Nonstop1h 55m

$207

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 9/15

2:25 pm-4:20 pm

Nonstop1h 55m

Denver Intl

Thu 9/17

6:25 am-1:15 pm

1 stop6h 50m

$207

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/9

12:35 pm-2:25 pm

Nonstop1h 50m

Denver Intl

Wed 9/16

2:00 pm-10:30 pm

2 stops8h 30m

$212

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/25

6:00 am-12:04 pm

1 stop6h 04m

Denver Intl

Thu 8/27

5:35 am-12:14 pm

1 stop6h 39m

$217

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/12

4:07 pm-7:45 pm

Nonstop2h 38m

Denver Intl

Tue 9/15

7:50 am-9:32 am

Nonstop2h 42m

$217

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 8/17

6:45 pm-10:55 pm

1 stop4h 10m

Denver Intl

Thu 8/20

5:35 am-9:48 am

1 stop4h 13m

$227

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 9/24

3:21 pm-11:47 pm

1 stop7h 26m

Denver Intl

Sat 9/26

6:28 pm-10:31 pm

1 stop5h 03m

$257

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 9/3

2:55 pm-4:45 pm

Nonstop1h 50m

Denver Intl

Sun 9/6

8:40 pm-10:35 pm

Nonstop1h 55m

$257
Quickest round-trip

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 8/14

2:55 pm-4:45 pm

Nonstop1h 50m

Denver Intl

Tue 8/18

9:05 am-10:55 am

Nonstop1h 50m

$262

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 10/8

5:30 am-1:25 pm

2 stops6h 55m

Denver Intl

Mon 10/12

7:35 am-12:35 pm

1 stop6h 00m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, October is the cheapest month in which you can book a flight from Oregon to Denver (average of $235). Flying from Oregon to Denver in June is currently the most expensive (average of $347). 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 DEN?

Find hourly flight availability from Oregon to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

It’s optimal to fly from Oregon to Denver in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Oregon to Denver

Explore weekly flight availability from Oregon to Denver. 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 27, 2026.

The most flights from USOR to DEN are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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

Airfare is typical for this route at the moment.
Oregon to Denver flights typically cost between $161 and $289 in August.
The cheapest round-trip price found within the last 5 days was $191 on Frontier (Aug 11-Aug 14).

How far ahead should I book a flight from Oregon to Denver?

The best time to book flights from Oregon to Denver is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Use this chart to determine the cheapest time to fly round-trip from Oregon to Denver. Price data was last updated on July 25, 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Oregon to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Oregon?

    Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Denver from Oregon.

  • How popular is this Oregon to Denver flight route?

    Flights from Oregon to Denver Intl have been viewed 149 times in the past calendar month.

  • How long is the flight from Oregon to Denver?

    Southwest, Delta, and United Airlines can get you from Oregon to Denver in just under 2h 38m. Your travel time can differ by up to 3h 57m. There are 989 mi between Oregon and Denver. This flight may include one or multiple stops.

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

    $32 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 Delta, with prices starting from $78 and $78, respectively.

  • What are the most popular routes from Oregon to Denver?

    The most popular flight routes from Oregon to Denver are Portland - Denver Intl, Boise Air Term. Gowen Fld - Denver Intl and Bend/Redmond - Denver Intl.

  • What are the most reliable airlines from Oregon to Denver?

    No one likes to see their flight delayed. When booking a flight from Oregon to Denver consider choosing United Airlines (92%), Frontier (89%) or Volaris (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to Denver?

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (Portland - Denver Intl) can be booked for $136 on average, our data indicates $922 when flying from Oregon to Denver.

  • Can I find deals for flights from Oregon to Denver that include hotel bookings?

    Yes. In addition to deals on Oregon to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Denver.

  • Can I find deals for business class flights from Oregon to Denver?

    Yes. Cheapflights offers flight deals from Oregon to Denver 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 Denver?

    Currently, October is the cheapest month in which you can book a flight from Oregon to Denver (average of $235). Flying from Oregon to Denver in June is currently the most expensive (average of $347). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

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Top 7 airlines flying from Oregon to Denver

Discover the top 7 airlines that operate flights from Oregon to Denver. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$178FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$263FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$98Average$217FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$126Average$256FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$142Average$323FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$321FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$147Average$356FlexibilityNo cancel feeOn-time69%

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