$105 Cheap Frontier Airlines flights Miami (MIA) to San Diego (SAN)

You’ll discover budget-friendly return Frontier Airlines flights from $210 from MIA to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $105 for a one-way journey.**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.

Frontier Airlines flights to San Diego tend to be more affordable in the off-peak months of January and November. Whether you’re after a round-trip or one-way ticket, you could find a better deal then.

Look for affordable Frontier Airlines flights from Miami Intl. Airport (MIA) to San Diego Intl. Airport (SAN) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

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

To find the earliest departure from MIA to SAN with Frontier Airlines, sort your results by “Morning” and “Early Morning.” Booking an early flight usually 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.

Board a Frontier Airlines flight from Miami Intl. Airport (MIA) to San Diego, and you’re most likely to come in to San Diego Intl. Airport (SAN). This is the airline’s primary hub in this destination.

Depart from MIA to SAN with Frontier Airlines and enjoy a range of perks starting with a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making a booking, but your airline may add a charge after that. For further details about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without being charged, apply the “Changes included” or “No cancel fee” filter when organizing your next escape.