$171 Cheap American Airlines flights Washington (DCA) to Chattanooga (CHA)

Finding cheap one-way American Airlines flights from DCA to CHA from $171 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $369 for your next adventure.**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.

Begin your search one to three months ahead of your departure date to find cheaper fares on American Airlines flights from Ronald Reagan Washington National Airport (DCA) to Chattanooga Metropolitan Airport (CHA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Get the timing right, 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.

The first American Airlines flight from DCA to CHA takes off at 5:05PM UTC-5, landing at 7:08PM UTC-5. If you prefer to jet off later in the day, the last American Airlines flight leaves DCA at 5:05PM UTC-5 and lands at CHA at 7:08PM UTC-5. Flying before noon is often a smart choice as morning and mid-morning flights are less likely to be canceled.**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.