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San Diego, California, usa
This deal is already a few days old and availability may have changed.

🌞 Budget-Friendly San Diego Flights 🌊

These San Diego Flights Start from $40 Round Trip on Spirit—Compare to $345 on American!

from $40

Published by
Molly Cowen·12/27/2023

Book these super affordable flights to San Diego from $40 round trip! Most of these flights are no-frills Spirit Airlines, an excellent value when the next cheapest non-budget flights start from $345 round trip. Dates through March allow you to take advantage of winter in sunny Southern California.


  • Las Vegas
  • Phoenix
  • Denver
  • Dallas
  • Oakland
  • Seattle
  • Chicago
  • Houston
  • Washington
  • New York


  • San Diego


Here are some of the dates and departure airports we found for you, but there are many more available.

These fares are based on short layovers or nonstop journeys.

Please note: the following flights may be a bit pricier, but are on United Airlines.

Additional Information

All of our deals are available at the time of publishing, but prices are subject to fluctuate and change at any time.

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