$54 Cheap Frontier Airlines flights Denver (DEN) to Portland (PDX)

You’ll discover budget-friendly return Frontier Airlines flights from $108 from DEN to PDX by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $54 for a one-way trip.**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.

Frontier Airlines flights to Portland are generally more affordable in the low-season months of January and December. Whether you’re after a return or one-way ticket, you could find a better deal then.

To find cheap Frontier Airlines fares from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Skip the layovers and fly from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) on any of Frontier Airlines’s 7 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Frontier Airlines flight that’ll get you to PDX at your preferred time.

From takeoff to arrival, a direct Frontier Airlines flight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) typically takes 2h 55m.

Taking off from DEN at 9:03AM UTC-7, the earliest Frontier Airlines flight to PDX arrives at 11:01AM UTC-8. Flying early means you’re less likely to encounter delays or cancellations.* Not an early riser? The last Frontier Airlines flight from DEN to PDX departs at 10:15PM UTC-7 and touches down at 12:07AM UTC-8.*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.

Take a Frontier Airlines flight from Denver Intl. Airport (DEN) to Portland, and you’ll likely touch down at Portland Intl. Airport (PDX). This is the airline’s primary hub in this destination.

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to depart from DEN to PDX with Frontier Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can receive OneKeyCash™* in addition to Frontier Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be on an Airbus A321neo or an Airbus A320neo when flying Frontier Airlines from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX). However, keep in mind that a different aircraft may be used due to operational demands.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that time. For more information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without being charged, apply the “Changes included” or “No cancel fee” filter when planning your next adventure.