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

Scoring cheap one-way American Airlines flights from CHA to DCA from $171 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $341 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.

To find cheap American Airlines fares from Chattanooga Metropolitan Airport (CHA) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your intended departure. Securing 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 impact how much you pay. Sunday is usually the cheapest, 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 American Airlines flight from CHA to DCA departs at 7:38PM UTC-5, landing at 9:28PM UTC-5. If you want to head off later in the day, the last American Airlines flight leaves CHA at 7:38PM UTC-5 and lands at DCA at 9:28PM UTC-5. Flying early is generally a good option as morning flights are least 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.