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$46+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Oregon to Denver

Keep the following information in mind while searching for Oregon to Denver flight deals. Data was last updated September 17, 2025.

Round-trip from

$91
(Cheapflightsfares)

One-way from

$46
(Frontier)

Popular in

March

Cheapest in

October

Average price

$177

Good round-trip deal

$210 or less

Good one-way deal

$132 or less
From Oregon to Denver Intl
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One-way flight from Oregon to Denver Intl
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Highest demand for flights based on searches. 3% potential increase in price ($7 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 September 2025
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Price to beat on a round-trip flight from Oregon to Denver Intl.
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Price to beat on a one-way flight from Oregon to Denver Intl.
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Find 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 September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/47:15 amPDX - DEN
Nonstop2h 43mFrontier
Tue 10/79:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/15$91
This Frontier deal was found by Cheapflights users on 9/16. 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.
Fri 10/311:14 amPDX - DEN
1 stop11h 02mFrontier
Sat 10/48:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 9/16$92
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:52 pmPDX - DEN
Nonstop2h 43mFrontier
Sun 11/169:48 amDEN - PDX
1 stop5h 43mFrontier
Deal found 9/14$96
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Wed 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Mon 10/279:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/16$97
This Frontier deal was found by Cheapflights users on 9/15. 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 10/2112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Fri 10/3110:05 amDEN - PDX
Nonstop2h 51mFrontier
Deal found 9/15$98
This Frontier deal was found by Cheapflights users on 9/16. 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 9/308:06 amPDX - DEN
Nonstop2h 39mFrontier
Fri 10/36:00 amDEN - PDX
1 stop5h 24mFrontier
Deal found 9/16$99
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/1312:33 pmBOI - DEN
Nonstop2h 00mFrontier
Sun 11/169:48 amDEN - BOI
Nonstop1h 55mFrontier
Deal found 9/17$101
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Thu 10/169:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/15$101
This Priceline deal was found by Cheapflights users on 9/16. 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 12/1112:59 pmBOI - DEN
Nonstop2h 01mFrontier
Sun 12/149:57 amDEN - BOI
Nonstop2h 07mFrontier
Deal found 9/16$102
This Priceline deal was found by Cheapflights users on 9/16. 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.
Sat 10/1112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Tue 10/149:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/16$102
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/1710:34 amPDX - DEN
1 stop12h 10mFrontier
Sat 10/189:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 9/15$106
This Frontier deal was found by Cheapflights users on 9/15. 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 10/1812:43 pmPDX - DEN
Nonstop2h 43mFrontier
Tue 10/2810:05 amDEN - PDX
Nonstop2h 51mFrontier
Deal found 9/15$107

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 September 17, 2025.
Use the filters below to find and compare flights from Oregon to Denver that are best for you.

Fly from

Oregon

Fly to

Denver

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 11/12

5:00 am-8:30 am

Nonstop2h 30m

Denver Intl

Mon 11/17

6:00 am-10:53 am

1 stop5h 53m

$139

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sun 12/7

6:00 am-11:45 am

1 stop4h 45m

Denver Intl

Sun 12/14

8:00 am-9:55 am

Nonstop2h 55m

$143

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 11/7

6:35 pm-10:01 am

1 stop14h 26m

Denver Intl

Sun 11/9

10:29 pm-9:18 am

1 stop11h 49m

$143

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 12/3

8:00 am-11:25 am

Nonstop2h 25m

Denver Intl

Fri 12/5

8:15 am-10:10 am

Nonstop2h 55m

$145

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 10/11

11:10 am-6:56 pm

1 stop6h 46m

Denver Intl

Wed 10/15

6:25 am-10:30 am

1 stop5h 05m

$153

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 11/1

7:00 am-10:35 am

Nonstop2h 35m

Denver Intl

Wed 11/5

11:31 am-1:24 pm

Nonstop2h 53m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 12/6

7:10 am-10:45 am

Nonstop2h 35m

Denver Intl

Tue 12/9

11:41 am-1:41 pm

Nonstop3h 00m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 10/15

6:25 pm-9:59 pm

Nonstop2h 34m

Denver Intl

Wed 10/22

7:25 pm-9:06 pm

Nonstop2h 41m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 10/14

5:00 am-8:34 am

Nonstop2h 34m

Denver Intl

Tue 10/21

7:50 am-9:29 am

Nonstop2h 39m

$167

EugeneDenver

EUG - DEN

EUGDEN

Eugene

Sat 10/25

5:20 pm-11:47 pm

1 stop5h 27m

Denver Intl

Mon 10/27

12:49 pm-5:49 pm

1 stop6h 00m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 60 results
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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 $197). Flying from Oregon to Denver 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 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 September 17, 2025.

When flying from Oregon to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.

The most flights from USOR to DEN are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

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 216 times in the past calendar month.

  • How long is the flight from Oregon to Denver?

    United Airlines, Southwest, and Frontier can get you from Oregon to Denver in just under 2h 30m. Your travel time can differ by up to 11h 56m. 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?

    $77 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $79 and $79, 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 Eugene - 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 (83%), Lufthansa (80%) or SWISS (77%) 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 $88. While the most popular route (Portland - Denver Intl) can be booked for $94 on average, our data indicates $757 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 $197). Flying from Oregon to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Top 6 airlines flying from Oregon to Denver

Discover the top 6 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$143FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$278FlexibilityNo cancel feeOn-time85%
DeltaCheapest$147Average$273FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$295FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$159Average$357FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$162Average$292FlexibilityNo cancel feeOn-time75%

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