$86 Cheap Delta flights Washington (DCA) to Miami (MIA)

Finding cheap one-way Delta Air Lines flights from DCA to MIA from $86 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $131 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.

Search for cheap Delta Air Lines flights from Ronald Reagan Washington National Airport (DCA) to Miami Intl. Airport (MIA) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 DCA at 1:55PM UTC-5, the earliest Delta Air Lines flight to MIA arrives at 4:51PM UTC-5. Traveling earlier in the day means you're less likely to encounter delays or cancellations.* Don't like early starts? The last Delta Air Lines flight from DCA to MIA departs at 2:30PM UTC-5 and touches down at 5:24PM 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.

Traveling from DCA to MIA with Delta Air Lines means enjoying a host of benefits, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.