$122 Cheap Delta flights Tucson (TUS) to San Diego (SAN)

You’ll discover affordable round-trip Delta Air Lines flights from $203 from TUS to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $122 for a one-way trip.**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 cheapest months to get away to San Diego with Delta Air Lines. You could also find excellent prices on return and one-way tickets in November.

Search for affordable Delta Air Lines flights from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) one to three months ahead of your departure day. 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. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day 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.

Enter your dates, hit search and use the “Nonstop” filter on Expedia to find any direct flights from TUS to SAN with Delta Air Lines or other airlines.

To find the earliest departures from TUS to SAN with Delta Air Lines, sort your results by “Morning” and “Early Morning.” Booking an early flight generally means cancellations are less likely.**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.

Delta Air Lines flights from Tucson Intl. Airport (TUS) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway to this city.

Jetting off from TUS to SAN with Delta Air Lines means enjoying a host of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee will generally apply if you modify or cancel your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while searching for flights. For more information on canceling or changing your reservation, go to “Trips,” select your flight and tick “Manage Booking.”