$126 Cheap American Airlines flights Washington (IAD) to Miami (MIA)

Landing cheap one-way American Airlines flights from IAD to MIA from $126 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $175 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.

American Airlines flights to Miami are typically more affordable in the off-peak months of September and October. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

For cheap American Airlines fares from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA), 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 influence the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to browse any direct flights from IAD to MIA with American Airlines or other airlines.

Filter your results by “Early Morning” and “Morning” to find the earliest flights from IAD to MIA. Taking off early means you’re less 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.

Take an American Airlines flight from Washington Dulles Intl. Airport (IAD) to Miami, and you’re most likely to arrive at Miami Intl. Airport (MIA). This is the airline’s main hub in this city.

It’s generally possible to modify or cancel your flight, although additional charges may apply if you booked more than 24 hours ago. Need flexible options? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more details.