$115 Find Cheap Flights from Portland to Denver - Compare and Save

These are the earliest and latest flight times available from Portland to Denver:

• Earliest: departs at 5:00 am and lands at 7:32 am
• Latest: departs at 9:45 pm and lands at 12:17 am.

The flight takes about 2h 32m.

Four cabin classes are available on flights from Portland to Denver:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Portland to Denver takes 2h 32m, covering 989 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Portland to Denver range from $182 to $333, with an average of $257 over the past 12 months. Anything below $182 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 42% above the $257 route average. Book 4 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $156 round-trip via Salt Lake City (SLC), compared to $258 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Portland to Denver flights are:

• United Airlines: 94% on time
• Frontier: 89% on time
• Alaska Airlines: 87% on time

Overall, flights on this route are punctual 88% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $27–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Southwest and Alaska Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on Portland to Denver flights, with 51% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 16%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $205 to $1,366. That means the highest observed fare was about 7x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Portland to Denver flights:

• Alaska Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Portland to Denver are currently lower than usual. Average one-way flight prices are about $155, which is 5% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Flights from Portland to Denver usually depart from Portland (PDX) and arrive at Denver Intl (DEN).

Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Portland to Denver route, 12% of flights were delayed in the past 3 months, with delays averaging 2h 28m.

One-stop flights from Portland to Denver most commonly connect through:

• Seattle/Tacoma Intl (SEA) - 40% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 20% of one-stop connections
• Los Angeles (LAX) - 20% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 10% of one-stop connections

Yes. Flexible dates can save you up to 16% on flights from Portland to Denver. Tuesday is the cheapest departure day at $240 round-trip on average, while Monday is the most expensive at $284, a difference of $44.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

4 airlines operate flights between Portland and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest
• Alaska Airlines
• Frontier

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 27m, compared with 5h 17m via Seattle/Tacoma Intl (SEA) and 5h 25m via Phoenix Sky Harbor Intl (PHX).

Denver is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Portland to Denver flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Travelers can take a taxi or request an Uber to reach PDX. Portland is also a bicycle-friendly city, so riding a bicycle to the airport is another option.

Public transportation from Denver International Airport (DEN) includes the A Line commuter train and public buses. The A Line runs to Denver Union Station in downtown Denver. Public buses also serve the Denver metro area. During peak hours, buses leave about every 15 minutes and bus attendants can help unload baggage at DEN.

Denver International Airport (DEN) has more than 10 popular car rental brands at the airport. The rental car center is reached by courtesy shuttle from Jeppesen Terminal and signs direct travelers to each rental car company.

PDX has kids' play areas on the Mezzanine and in Concourses C and E. A nursing room is located beside Gate D4 on Concourse D.

DEN offers several facilities, including nursing rooms, water bottle filling stations, free WiFi, pet relief areas and religious facilities in Jeppesen Terminal. Designated smoking areas are also located outside Jeppesen Terminal before security.

PDX has several pet relief areas inside and outside the terminals. The post-security relief areas are located just past security for the B and C concourses and on Concourse D. The outdoor area is outside the south end of baggage claim level near MAX Light Rail. Pets must remain on a leash when using the pet relief area and stay in a pet carrier outside it. Airlines specify any policies associated with traveling with a pet to Denver.

The lounges at DEN include United Club B Gates West near Gate B-32, though it is temporarily closed. Delta Sky Club is past security at the north end of Concourse A on the bridge from Jeppesen Terminal. American Airlines Admirals Club is in Concourse C on the mezzanine near Gate C32, with access based on membership, eligible status or class of service.