$89 Cheap American Airlines flights Portland (PWM) to Washington (DCA)

Apply the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines round-trip flights from $177 from PWM to DCA. Affordable one-way options from $89 are also available.**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.

Look for cheap American Airlines flights from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Departing PWM at 5:24AM UTC-5, the first American Airlines flight to DCA lands at 7:30AM UTC-5. Traveling early means you'll be less likely to encounter cancellations or delays.* Prefer to travel later? The last American Airlines flight from PWM to DCA departs at 4:50PM UTC-5 and touches down at 6:55PM UTC-5.*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.