Cheap Alaska Airlines flights Portland (PDX) to Denver (DEN)

Landing cheap one-way Alaska Airlines flights from PDX to DEN on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $172 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for round-trip or one-way flights to Denver in January or November. You could find lower fares with Alaska Airlines during these off-peak travel months.

Begin your search one to three months ahead of your departure date to score cheap fares on Alaska Airlines flights from Portland Intl. Airport (PDX) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Jet off on one of Alaska Airlines’s 4 direct weekly flights from Portland Intl. Airport (PDX) to Denver Intl. Airport (DEN). To see your options, enter your travel dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

Leave Portland Intl. Airport (PDX) for Denver Intl. Airport (DEN) on a nonstop Alaska Airlines flight, and you’ll be airborne for approximately 2h 32m.

Departing PDX at 9:35AM UTC-8, the earliest Alaska Airlines flight to DEN lands at 1:07PM UTC-7. Traveling earlier in the day means you’re less likely to encounter cancellations or delays.* After something later? The last Alaska Airlines flight from PDX to DEN departs at 9:35AM UTC-8 and touches down at 1:07PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board an Alaska Airlines flight from Portland Intl. Airport (PDX) to Denver, and you’ll most likely arrive at Denver Intl. Airport (DEN). This is the airline’s main hub in this city.

Alaska Airlines makes traveling from PDX to DEN enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Mileage Plan. Be sure to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Portland Intl. Airport (PDX) to Denver Intl. Airport (DEN) route, Alaska Airlines typically flies Boeing 737-900 and Boeing 737 MAX 9 planes. Remember that last-minute changes are possible for operational reasons, meaning your flight may be on a different aircraft.

Typically, you can reschedule or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Prefer to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you have to adjust your plans. To modify your booking, go to “Trips,” select your flight and click on “Manage Booking” for more information.