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$28+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Feb 4 — Feb 111
Wed 2/4
Wed 2/11
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 January 5, 2026.

This Frontier deal was found by Cheapflights users on 1/5. 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 1/3012:07 pmBOI - DEN
Nonstop2h 00mFrontier
Mon 2/29:10 amDEN - BOI
Nonstop2h 02mFrontier
Deal found 1/5$88
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 1/2312:07 pmBOI - DEN
Nonstop2h 00mFrontier
Mon 1/269:10 amDEN - BOI
Nonstop2h 02mFrontier
Deal found 1/5$107
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 3/57:05 amPDX - DEN
Nonstop2h 37mMultiple Airlines
Mon 3/99:10 amDEN - PDX
Nonstop2h 59mMultiple Airlines
Deal found 1/3$118
This Alaska Airlines deal was found by Cheapflights users on 1/5. 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 1/297:21 amPDX - DEN
Nonstop2h 32mAlaska Airlines
Thu 2/511:49 amDEN - PDX
Nonstop2h 55mAlaska Airlines
Deal found 1/5$119
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 3/1312:04 pmPDX - DEN
Nonstop2h 37mFrontier
Tue 3/1710:40 pmDEN - PDX
1 stop11h 18mFrontier
Deal found 1/5$121
This Frontier deal was found by Cheapflights users on 1/5. 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.
Thu 3/1212:04 pmPDX - DEN
Nonstop2h 37mFrontier
Wed 3/1810:30 pmDEN - PDX
1 stop11h 28mFrontier
Deal found 1/5$123
This Kiwi.com deal was found by Cheapflights users on 1/2. 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 3/56:56 pmPDX - DEN
2 stops29h 01mMultiple Airlines
Sun 3/89:10 amDEN - PDX
Nonstop2h 59mMultiple Airlines
Deal found 1/2$125
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 3/612:04 pmPDX - DEN
Nonstop2h 37mFrontier
Mon 3/910:30 pmDEN - PDX
2 stops35h 28mFrontier
Deal found 1/5$126
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 1/182:01 pmBOI - DEN
Nonstop2h 00mFrontier
Mon 1/1911:23 amDEN - BOI
Nonstop2h 02mFrontier
Deal found 1/3$127
This Expedia deal was found by Cheapflights users on 1/3. 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 2/267:05 amPDX - DEN
Nonstop2h 37mMultiple Airlines
Sun 3/89:10 amDEN - PDX
Nonstop2h 59mMultiple Airlines
Deal found 1/3$127
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 3/133:52 pmPDX - DEN
1 stop7h 07mMultiple Airlines
Mon 3/169:10 amDEN - PDX
Nonstop2h 59mMultiple Airlines
Deal found 1/5$128
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 2/1912:36 pmBOI - DEN
Nonstop2h 00mMultiple Airlines
Tue 2/247:00 amDEN - BOI
1 stop8h 08mMultiple Airlines
Deal found 1/3$129

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 January 5, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$88
(Frontier)

One-way from

$28
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$168

Good round-trip deal

$272 or less

Good one-way deal

$158 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. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 5, 2026.
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

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/30

12:07 pm-2:07 pm

Nonstop2h 00m

Denver Intl

Mon 2/2

9:10 am-11:12 am

Nonstop2h 02m

$88

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-2:07 pm

Nonstop2h 00m

Denver Intl

Mon 1/26

9:10 am-11:12 am

Nonstop2h 02m

$107

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 3/3

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Sat 3/7

11:38 am-1:38 pm

Nonstop3h 00m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 5/9

7:00 am-10:50 am

Nonstop2h 50m

Denver Intl

Mon 5/11

6:07 pm-7:54 pm

Nonstop2h 47m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 2/18

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Tue 2/24

7:00 am-10:46 am

1 stop4h 46m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/31

12:05 pm-6:30 pm

1 stop5h 25m

Denver Intl

Sat 2/7

2:50 pm-4:40 pm

Nonstop2h 50m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/31

5:15 pm-11:25 pm

1 stop5h 10m

Denver Intl

Sat 2/7

6:23 pm-10:54 pm

1 stop5h 31m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 1/31

12:45 pm-4:10 pm

Nonstop2h 25m

Denver Intl

Tue 2/17

8:40 pm-10:30 pm

Nonstop2h 50m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 2/7

1:39 pm-7:58 pm

1 stop5h 19m

Denver Intl

Wed 2/11

6:23 pm-11:55 pm

1 stop6h 32m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 2/7

5:15 pm-11:25 pm

1 stop5h 10m

Denver Intl

Tue 2/10

5:15 am-9:09 am

1 stop4h 54m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

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, February is the cheapest month in which you can book a flight from Oregon to Denver (average of $39). Flying from Oregon to Denver 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 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 January 5, 2026.

It’s optimal to fly from Oregon to Denver in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.

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 January 3, 2026.

Travelers seeking maximum savings on their Oregon to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings 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 222 times in the past calendar month.

  • How long is the flight from Oregon to Denver?

    Frontier, Alaska Airlines, and Southwest can get you from Oregon to Denver in just under 2h. Your travel time can differ by up to 3h 25m. There are 647 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 Delta and Alaska Airlines, with prices starting from $74 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 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 SkyWest Airlines (100%), Alaska Airlines (91%) or United Airlines (91%) 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 $78. While the most popular route (Portland - Denver Intl) can be booked for $60 on average, our data indicates $768 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, February is the cheapest month in which you can book a flight from Oregon to Denver (average of $39). Flying from Oregon to Denver 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

Traveling to a place near Denver?

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

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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 January 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$148FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$277FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$266FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$151Average$349FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$156Average$288FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$156Average$287FlexibilityNo cancel feeOn-time63%

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