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Philadelphia (PHL) to Miami (MIA or FLL) is a well-served route with American Airlines, Spirit, Frontier, Delta, and United all operating nonstop service. Flight time is approximately 2 hours 45 minutes to 3 hours. To book the cheapest flights to Miami from Philadelphia, use Triwize to search across flexible dates, fly mid-week (Tuesday or Wednesday), and book 3–5 weeks in advance. Spirit and Frontier often offer the lowest base fares. Economy fares start from around $59–$110 one-way when booked ahead.

Nonstop flights from Los Angeles International Airport (LAX) to Miami International Airport (MIA) take approximately 5 hours to 5 hours 30 minutes. American Airlines, Delta, United, and Spirit operate nonstop service on this route. One-way fares typically start from around $99–$180 when booked 3–5 weeks ahead.

Flights from San Francisco International Airport (SFO) to Miami (MIA) are typically cheapest in January, February, and September. Book 4–6 weeks ahead and fly on Tuesdays or Wednesdays for the best fares. United, American, Delta, and Spirit operate this route, with flight times of approximately 5 hours 30 minutes to 6 hours nonstop. Economy fares can start as low as $89 one-way on budget carriers when booked well in advance.

American Airlines is the dominant carrier at Miami International Airport (MIA), which serves as one of its largest hubs. This means American offers the widest selection of nonstop routes to Miami, but hub dominance can sometimes mean fares are not always the lowest. Flights to Miami American Airlines basic economy fares are competitive, typically starting from $69–$130 one-way on domestic routes.

Southwest Airlines operates out of Fort Lauderdale-Hollywood International Airport (FLL), which is approximately 30 miles north of downtown Miami. Flights to Miami Southwest are not always listed on third-party booking platforms, so check Southwest's website directly or use Triwize where available. Southwest's two free checked bags policy can make the overall cost lower than apparent on budget carriers. Book at least 3 weeks ahead and use Wanna Get Away fares for the lowest prices.

Atlanta (ATL) to Miami (MIA or FLL) is a very short route at approximately 1 hour 45 minutes nonstop, served by Delta, American, Spirit, and Frontier. Cheapest round trip fares are available in January, February, and September. Book 2–4 weeks ahead for domestic flights on this route. Round-trip fares can start as low as $89–$140 when booked in advance on budget carriers.

Flights from North Carolina cities (Charlotte CLT, Raleigh RDU) to Miami offer good value throughout much of the year. Cheapest NC to Miami flights round trip are available in January, February, and September. Charlotte to Miami (MIA) is approximately 2 hours nonstop; Raleigh to Miami is approximately 2 hours 15 minutes. American Airlines has the most frequent service from CLT. Round-trip fares from NC to Miami start from around $99–$160 when booked 3–5 weeks ahead.

Nashville (BNA) to Miami (MIA or FLL) takes approximately 2 hours 30 minutes nonstop, served by American, Delta, Spirit, and Frontier. Cheapest round trip fares from Nashville to Miami are typically found in January, February, and September. Book 3–5 weeks ahead for the best fares. Economy round-trip fares from Nashville to Miami can start from around $110–$180 when booked in advance.

New Orleans (MSY) to Miami (MIA) takes approximately 1 hour 45 minutes to 2 hours nonstop, served by American, Delta, Spirit, and United. Cheapest round trip fares from New Orleans to Miami are available in January, February, and September. Round-trip fares can start from around $100–$170 when booked 3–4 weeks in advance.

Flights to Miami in January are among the cheapest of the year. Average domestic round-trip fares sit around $150–$200, making it an excellent time to visit. Post-holiday travel demand drops significantly after January 2nd, bringing fares down quickly. Book 3–4 weeks ahead for the best January fares.

Flights to Miami in February remain affordable, with average domestic round-trip fares around $160–$210. February is excellent value, though Presidents' Day weekend (mid-February) sees a short spike in fares. Avoid that specific weekend to get the best flights to Miami February pricing.

Yes — flights to Miami in March are among the most expensive domestic fares of the first half of the year, due to Spring Break demand. Average domestic round-trip fares can rise to $280–$380 in mid-to-late March. If you must fly during Spring Break, book at least 2–3 months ahead. Early March (before schools break) and late March (after most breaks end) can still offer reasonable fares around $200–$250.

Flights to Miami in December are generally not cheap. December is the peak pricing month for Miami, with average domestic round-trip fares reaching $380–$480 or more over Christmas and New Year. Early December (before the 15th) offers slightly better value. To get the best flights to Miami December fares, book at least 4–6 months in advance.

Last-minute flights to Miami tomorrow can sometimes be found at a discount if airlines have unsold seats, but this is not guaranteed. To find the cheapest flights to Miami tomorrow: use Triwize's Last Minute filter, check Spirit and Frontier for budget seats, and be flexible on departure time (early morning or late night flights are typically cheaper). Booking direct on an airline's app can occasionally surface last-minute deals not shown elsewhere.

To find the cheapest flights to Miami today: search Triwize with flexible dates enabled, set price alerts for your preferred route, compare both MIA and FLL as your destination airport, and check budget carriers like Spirit, Frontier, and Southwest (FLL) directly. Flying mid-week and at off-peak hours (early morning or late evening) will typically yield the lowest same-day or near-departure fares.

Delta Air Lines operates nonstop flights to Miami (MIA) from Atlanta, New York JFK/LGA, Boston, Minneapolis, Detroit, and other hubs. To find the cheapest Delta flights to Miami: search on Triwize across a flexible date range, check Delta's own website for SkyMiles member-exclusive fares and promotional sales, book at least 4–6 weeks in advance for domestic routes, and look for Basic Economy fares (note the restricted bag and change policies). January, February, and September typically offer the lowest Delta fares to Miami.