Cheap flights from Portland, OR to Denver, CO

Flights starting at $81. Choose between Alaska Airlines, United Airlines, or Frontier Airlines to find the best price.

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Cheapest one-way trip

$81

Cheapest nonstop round-trip

$81

Cheapest round-trip

$139

Average round-trip

$209

Nonstop flights in December

$81 – $620

Round trips

Portland PDXDenver DEN

Multiple carriers

$159
Portland PDXDenver DEN

Frontier Airlines

$170

Updated:

990 miles
Distance
Duration
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Travelers usually depart from Portland International, Portland, OR - Union Station, or Portland, OR - Greyhound Station when they travel from Portland to Denver. Book your trip to arrive at Denver International, Denver Union Station, Centennial Airport, or Rocky Mountain Metropolitan Airport. The distance between Portland and Denver is 1593 km. The most popular airlines for this route are Alaska Airlines, United Airlines, Frontier Airlines, Linear Air, and JetBlue Airways. Portland and Denver have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights7774777
Fly direct with

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Portland to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Linear Air O2YesNo
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Portland to Denver?
A one-way nonstop (direct) flight between Portland and Denver takes around 2.5 hours.
What is the flight distance between Portland and Denver?
The flight distance between Portland and Denver is 1593 km.
What airlines offer nonstop (direct) flights between Portland and Denver?
Several carriers operate flights between Portland and Denver. Airlines offering nonstop (direct) flights include Alaska Airlines, Frontier Airlines, United Airlines.
What are the most popular routes to and from Portland?
Travelers frequently search for route combinations, such as Portland and Las Vegas, Mexico City, Phoenix, Atlanta, Paris, Los Angeles, Chicago, Barcelona, San Francisco, Houston, Guadalajara, London, Minneapolis, Washington, D.C., San Diego, Austin, Orlando, Cincinnati, Fort Lauderdale, New Orleans.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, Philadelphia, San Diego, Miami, New York, Tampa, Detroit, Seattle, Salt Lake City.
What airports are near Portland?
The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Boeing Field.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Cheyenne Regional, Eagle County Regional, Pueblo Memorial.
What buses and trains depart from Portland?
A number of bus and train companies depart from Portland, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Portland and Denver?
Yes, it's possible to combine different modes of transport between Portland and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Portland and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Which airlines fly between Portland and Denver?
When's the best time to travel between Portland and Denver?
What flights operate between Portland and Denver?
How many airports are there near Portland?
How many airports are there near Denver?
Is it possible to reach Portland by bus or train?
What time do nonstop (direct) flights between Portland and Denver depart?
What time do nonstop (direct) flights between Portland and Denver arrive?
What time do flights between Portland and Denver depart?
What time do flights between Portland and Denver arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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