$89 Cheap Delta flights Sacramento (SMF) to San Diego (SAN)

Landing cheap one-way Delta Air Lines flights from SMF to SAN from $89 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $177 for your next exciting adventure.**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 jet away to San Diego with Delta Air Lines. You could also find great deals on one-way and round-trip tickets in November.

Search for cheap Delta Air Lines flights from Sacramento Intl. Airport (SMF) to San Diego Intl. Airport (SAN) one to three months prior to 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 itinerary, the best day to book a domestic flight is generally Sunday and the most expensive is typically 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.

To see if there’s a direct trip from SMF to SAN with Delta Air Lines or other carriers, check the “Nonstop” filter when searching for tickets.

Browse Delta Air Lines’s earliest flights from SMF to SAN by checking the “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer 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.

San Diego Intl. Airport (SAN) is the main San Diego hub for Delta Air Lines flights from Sacramento Intl. Airport (SMF).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many passengers flying from SMF to SAN. Plus, 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 be put toward future travel.*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 making a booking, but your airline may charge a fee after that. For more information about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without additional costs, tick the “No cancel fee” or “Changes included” filter when planning your trip.