$69 Cheap American Airlines flights Detroit (DTW) to Washington (DCA)

Scoring cheap one-way American Airlines flights from DTW to DCA from $69 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $137 for your next break.**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 get cheap fares on American Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to Ronald Reagan Washington National Airport (DCA). 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 your timing right, and you can enjoy significant savings on domestic journeys.*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 DTW at 5:46AM UTC-5, the earliest American Airlines flight to DCA arrives at 7:32AM UTC-5. Traveling early means you'll be less likely to encounter delays.* Prefer to travel later? The last American Airlines flight from DTW to DCA departs at 5:19PM 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.