Round trip flights between Seattle and San Diego for $97

Alaska Airlines, Delta Air Lines, Southwest Airlines, and Expedia are offering round trip nonstop flights between Seattle (SEA) and San Diego (SAN) for $97. This reflects a $50 reduction from previous prices. These are basic economy fares that include a personal item and a carry-on bag but do not allow seat selection or changes. Travel dates vary from early October 2026 through late January 2027, providing multiple options. Redeem by booking directly through Expedia, Alaska Airlines, or Southwest. The deal is notable for the significant price drop, the nonstop convenience, and the broad travel window, making it a solid value for travelers looking for affordable, direct flights during the upcoming holiday and winter season.