$94 Cheap Frontier Airlines flights San Diego (SAN) to Miami (MIA)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from $140 from SAN to MIA. Affordable one-way fares from $94 are also available.**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 one-way or return flights to Miami in September or October. You could find a cheap fare with Frontier Airlines during these off-peak travel months.

To find cheap Frontier Airlines fares from San Diego Intl. Airport (SAN) to Miami Intl. Airport (MIA), start searching one to three months before your intended 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 cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

Click on our “Nonstop” filter when searching for direct Frontier Airlines flights from SAN to MIA. You’ll also be able to compare other carriers offering the same nonstop route.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from SAN to MIA. Setting 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.

Miami Intl. Airport (MIA) is the main Miami gateway for Frontier Airlines flights from San Diego Intl. Airport (SAN).

Offering a rewarding loyalty program, Frontier Airlines is a top choice for many passengers departing from SAN to MIA. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of booking, but your airline may add a charge after that time. For further information about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without additional charges, tick the “Changes included” or “No cancel fee” filter when planning your next getaway.