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Cheap flights from Colorado to Portland (PDX)

DEN — PDX
Feb 8 — Feb 151
Sun 2/8
Sun 2/15
1 adult, Economy
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Cheap flight deals from Colorado to Portland

Keep the following information in mind while searching for Colorado to Portland flight deals. Data was last updated January 9, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$123
(Orbitz)

One-way from

$52
(Frontier)

Popular in

March

Cheapest in

January

Average price

$157

Good round-trip deal

$178 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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From Colorado to Portland
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One-way flight from Colorado to Portland
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Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Colorado to Portland.
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Price to beat on a one-way flight from Colorado to Portland.
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Cheapflights Insights

Everything you need to know about your flight from Colorado to Portland

What is the cheapest month to book a flight from Colorado to Portland?

Currently, January is the cheapest month in which you can book a flight from Colorado to Portland (average of $52). Flying from Colorado to Portland in August is currently the most expensive (average of $99). 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 CO to PDX?

Find hourly flight availability from Colorado to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 9, 2026.

It’s optimal to fly from Colorado to Portland in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Colorado to Portland?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Portland. Price data was last updated on January 3, 2026.

Travelers seeking maximum savings on their Colorado to Portland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons 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 Colorado to Portland. 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 Portland from Colorado?

    For a flight from Colorado to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • How popular is this Colorado to Portland flight route?

    This flight path from Colorado to Portland was viewed by 72 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 Colorado to Portland?

    For as low as $137, Alaska Airlines can have you in Portland from Colorado in 2h 49m. Colorado and Portland are separated by a distance of 989 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $29. Hawaiian Airlines flights start at $78 while deals on Alaska Airlines start at $78 one-way.

  • What are the most popular routes from Colorado to Portland?

    The most popular flight routes from Colorado to Portland are Denver Intl - Portland, Colorado Springs - Portland and Durango La Plata County - Portland.

  • What are the most reliable airlines from Colorado to Portland?

    Before booking your flight to Portland from Colorado, check out the most reliable airlines to get you to your destination on time: Frontier (81%), United Airlines (81%), Lufthansa( 81%).

  • What are the cheapest flights from Colorado to Portland?

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Denver Intl - Portland) can be booked for $97 on average, our data indicates $423 when flying from Colorado to Portland.

  • Can I find deals for flights from Colorado to Portland that include hotel bookings?

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

  • How can I find direct flights from Colorado to Portland?

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

  • Can I find deals for business class flights from Colorado to Portland?

    Yes. Cheapflights offers flight deals from Colorado to Portland 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 Colorado to Portland?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Portland (average of $52). Flying from Colorado to Portland in August is currently the most expensive (average of $99). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

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Top 7 airlines flying from Colorado to Portland

Discover the top 7 airlines that operate flights from Colorado to Portland. 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 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$211FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$147Average$402FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$147Average$249FlexibilityNo cancel feeOn-time75%
DeltaCheapest$148Average$298FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$378FlexibilityNo cancel feeOn-time71%

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