$74 Cheap American Airlines flights Miami (MIA) to Washington (DCA)

Scoring cheap one-way American Airlines flights from MIA to DCA from $74 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $147 for your next exciting getaway.**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 Miami Intl. Airport (MIA) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your planned 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 the overall cost. Sunday tends to be the cheapest, 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.

Departing MIA at 6:40AM UTC-5, the earliest American Airlines flight to DCA arrives at 9:17AM UTC-5. Flying earlier in the day means you're less likely to encounter cancellations or delays.* After something later? The last American Airlines flight from MIA to DCA departs at 9:20PM UTC-5 and touches down at 11:58PM 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.