$145 Cheap American Airlines flights Portland (PWM) to Denver (DEN)

You can find affordable return American Airlines flights from $289 from PWM to DEN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $145 for a one-way journey.**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 least expensive months to fly to Denver with American Airlines. You could also find great prices on one-way and return fares in November.

Begin your search one to three months ahead of your departure date to score cheap fares on American 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.* Time it well, and you can enjoy significant savings on domestic trips.*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 see if there’s a direct trip from PWM to DEN with American Airlines or other airlines, check the “Nonstop” box when looking for flights.

To find the earliest departures from PWM to DEN with American Airlines, filter your search by “Early Morning” and “Morning.” Booking an early flight usually 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.

American Airlines flights from Portland Intl. Jetport Airport (PWM) to Denver arrive at Denver Intl. Airport (DEN). This is the main gateway to this city.

Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that time. For further information about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without being charged, tick the “Changes included” or “No cancel fee” filter when planning your next trip.