$74 Cheap American Airlines flights Washington (DCA) to Boston (BOS)

Use the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines round-trip flights from $147 from DCA to BOS. Affordable one-way tickets from $74 are available as well.**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.

To find cheap American Airlines fares from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BOS), 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 influence how much you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

The first flight from DCA to BOS with American Airlines leaves at 6:59AM UTC-5. You'll land at 8:40AM UTC-5. The final American Airlines flight of the day leaves at 10:00PM UTC-5 and arrives at 11:37PM UTC-5. With around 20% fewer cancellations for departures before midday, jetting out early is generally the best way to go.**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.