$204 Cheap United flights Portland (PWM) to Denver (DEN)

You’ll find affordable return United Airlines flights from $269 from PWM to DEN by organizing your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $204 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.

Browse for return or one-way flights to Denver in January or November. You could find a cheap fare with United Airlines during these off-peak times.

Begin your search one to three months ahead of your travel date to get cheap fares on United Airlines flights from Portland Intl. Jetport Airport (PWM) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce 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 journeys.*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.

Fill in your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from PWM to DEN with United Airlines or another carrier.

Sort your results by “Morning” and “Early Morning” to see the earliest departures from PWM to DEN. Jetting off early means you’re less likely to experience cancellations.**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.

Denver Intl. Airport (DEN) is the main Denver hub for United Airlines flights from Portland Intl. Jetport Airport (PWM).

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to fly from PWM to DEN with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For more details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without being charged, check the “Changes included” and “No cancel fee” filters when organizing your next trip.