Cheap Delta flights Raleigh (RDU) to Miami (MIA)

Landing cheap one-way Delta Air Lines flights from RDU to MIA on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $121 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.

For cheap Delta Air Lines fares from Raleigh - Durham Intl. Airport (RDU) 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 impact the overall price. Sunday is typically 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.

Taking off from RDU at 7:05AM UTC-5, the earliest Delta Air Lines flight to MIA arrives at 9:25AM UTC-5. Traveling earlier in the day means you'll be less likely to encounter cancellations or delays.* Prefer to travel later? The last Delta Air Lines flight from RDU to MIA departs at 7:05AM UTC-5 and touches down at 9:25AM 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.

Flying from RDU to MIA with Delta Air Lines means enjoying plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend 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.