$145 Cheap Delta flights Portland (PWM) to Denver (DEN)

You’ll find cheap round-trip Delta Air Lines flights from $257 from PWM to DEN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $145 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.

January is one of the cheapest months to jet off to Denver with Delta Air Lines. You could also find great deals on one-way and round-trip fares in November.

Start searching one to three months ahead of your departure date to find cheap fares on Delta Air Lines 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.

To find out if there’s a direct journey from PWM to DEN with Delta Air Lines or other airlines, check the “Nonstop” box when browsing for flights.

Filter your results by “Early Morning” and “Morning” to see the earliest flights from PWM to DEN. Taking 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 gateway for Delta Air Lines flights from Portland Intl. Jetport Airport (PWM).

Traveling from PWM to DEN with Delta Air Lines means enjoying a range of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can modify or cancel your flight, although there may be additional fees if you made your booking over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to revise your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more details.