RT Nonstop Flights: Seattle, WA (SEA) to/from San Diego, CA (SAN) $157 (Travel Oct to Feb, 2027)

• This price is roughly $60 Lower than other similar available flights.
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Please see the original post for additional details & refer to the comments below for discussion.

Expedia, Alaska Airlines or Southwest Airlines are offering Roundtrip Nonstop Flights for Seattle, WA (SEA) to/from San Diego, CA (SAN) on sale for $157. Travel is available on select dates from October, 2026 through February, 2027.

Thanks to Deal Hunter serra for sharing this deal.

• Note: These are basic economy fares that allow a personal item and a carry-on bag. There is no seat selection and no change.

Travel Availability (Subject to Change):

• Departs SEA: Oct 1, 3, 6-8, 10, 12-15, 17, 19-22, 24, 26-29, 31; Nov 2-5, 7, 9-11, 19, 26; Dec 1-3, 5, 7-10; Jan 5-7, 9, 12-14, 16, 19-21, 23, 25-28, 30; Feb 1-3, 6, 9-10, 16-18, 20, 22-24
• Departs SAN: Oct 1, 3, 5-8, 10, 13-15, 17, 19-22, 24, 26-29, 31; Nov 2-5, 7, 9-12, 16, 26; Dec 1-3, 5, 7-9, 14; Jan 5-7, 9, 12-14, 16, 19-21, 23, 25-28, 30; Feb 1-3, 9-10, 13, 16-18, 23-24