$115 Cheap United flights Santa Barbara (SBA) to San Diego (SAN)

Landing cheap one-way United Airlines flights from SBA to SAN from $115 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $224 for your next exciting vacation.**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 get away to San Diego with United Airlines. You could also find great prices on one-way and return fares in November.

Start searching one to three months ahead of your travel date to get cheaper fares on United Airlines flights from Santa Barbara Municipal Airport (SBA) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic trips.*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.

Select our “Nonstop” filter when browsing for direct United Airlines flights from SBA to SAN. It’s also an easy way to compare other airlines offering the same nonstop trip.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from SBA to SAN. Setting off early 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.

United Airlines flights from Santa Barbara Municipal Airport (SBA) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main entry point here.

Fly from SBA to SAN with United Airlines and you can look forward to a range of perks including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to use 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 your booking, but your airline may charge a fee after that. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to adjust your plans without being charged, tick the “No cancel fee” or “Changes included” filter when organizing your next adventure.