$90 Cheap American Airlines flights Raleigh (RDU) to Washington (DCA)

You'll discover cheap round-trip American Airlines flights from $179 from RDU to DCA by filtering your results from "Price (lowest to highest)" on Expedia. Or look for deals from $90 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.

For cheap American Airlines fares from Raleigh - Durham Intl. Airport (RDU) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your planned departure. Reserving 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 generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Leaving RDU at 5:55AM UTC-5, the earliest American Airlines flight to DCA arrives at 7:16AM UTC-5. Flying earlier in the day means you're less likely to encounter delays.* Don't like early starts? The last American Airlines flight from RDU to DCA departs at 8:10PM UTC-5 and touches down at 9:30PM 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.