$54 Cheap American Airlines flights Houston (IAH) to Miami (MIA)

Finding cheap one-way American Airlines flights from IAH to MIA from $54 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $90 for your next 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.

Start searching one to three months ahead of your departure date to get cheaper fares on American Airlines flights from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA). 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 the timing right, and you can enjoy significant savings on domestic trips.*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 earliest flight from IAH to MIA with American Airlines departs at 5:24AM UTC-6. You'll touch down at 8:55AM UTC-5. The final American Airlines flight of the day leaves at 6:00PM UTC-6 and arrives at 9:33PM UTC-5. With around 20% fewer cancellations for morning and mid-morning flights, heading out early is usually the smartest option.**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.