$129 Cheap Delta flights Miami (MIA) to San Diego (SAN)

Landing cheap one-way Delta Air Lines flights from MIA to SAN from $129 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $257 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.

January is one of the most affordable months to travel to San Diego with Delta Air Lines. You could also find great prices on one-way and round-trip fares in November.

For cheap Delta Air Lines fares from Miami Intl. Airport (MIA) to San Diego Intl. Airport (SAN), 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 affect the overall cost. Sunday is generally the most affordable, 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.

Click on the “Nonstop” filter when looking for direct Delta Air Lines flights from MIA to SAN. It’s also an easy way to compare other carriers servicing the same direct trip.

Search Delta Air Lines’s earliest flights from MIA to SAN by checking the “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**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.

Hop on a Delta Air Lines flight from Miami Intl. Airport (MIA) to San Diego, and you’ll likely arrive at San Diego Intl. Airport (SAN). This is the airline’s main hub in this city.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a top choice for many passengers flying from MIA to SAN. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or modify your flight, although additional charges may apply if you booked over 24 hours ago. Need to keep your options open? Use Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you have to revise your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.