Round Trip Portland to San Diego Nonstop Flights on Alaska or Southwest (Select December 2026 Travel)

No special codes or coupons are required. Get these nonstop round trip flights between Portland and San Diego on Alaska, Southwest, or Expedia while select December 2026 dates last.

Travel Availability

• Departs PDX: Dec 1-3, 5, 7-10, 12, 14-17
• Departs SAN: Nov 19, Dec 1-3, 5, 7-10, 12, 14-17

Important Exclusions

• These are basic economy fares, which include one personal item and one carry-on bag
• No seat selection
• No changes
• Children traveling with an adult are seated together per airline policy