Roundtrip San Francisco to San Diego Nonstop Airfares

No special codes or coupons are required. These roundtrip airfares are available for travel through December 2025.

These basic economy fares are offered by Alaska Airlines, Southwest Airlines, and United Airlines via Expedia. On United, a personal item is included. On Southwest and Alaska, you can bring a personal item and a carry-on bag. Families traveling with children on United or Alaska will be seated together according to policy.

Travel Availability

• Departing San Francisco (SFO): November 8-13, 15-19; December 3-17
• Departing San Diego (SAN): November 8, 10-19; December 3-12, 14-17