Roundtrip Nonstop Flights: Seattle, WA (SEA) to/from San Diego, CA (SAN) $137 (Travel Dec - March 2027)
at Southwest Airlines, Delta Air Lines, Expedia
Nonstop round trips between Seattle and San Diego from $137 on Southwest, Delta, and Expedia.
Round trip nonstop airfares between Seattle (SEA) and San Diego (SAN) for $137 per person. Basic economy fares include a personal item and carry-on bag. No seat selection or changes permitted. Multiple departure dates available from November 2024 through early March 2025, with different date windows for each direction.
FAQ
What is included in the basic economy fare?
A personal item and one carry-on bag. No seat selection or changes are allowed.
Which airlines offer this fare?
Southwest Airlines, Delta Air Lines, and Expedia.
What are the available travel dates?
Departing Seattle: Nov 23; Dec 1–5, 7–12, 14–17, 22, 29–31; Jan 1, 4–9, 11–16, 18–23, 25–30; Feb 1–6, 8–10, 15–20, 22–27; March 1–3. Departing San Diego: Dec 1–5, 7–12, 14–19, 21–22, 24; Jan 5–9, 11–16, 18–23, 25–30; Feb 1–6, 8–13, 16–17, 22–27; March 1–3.
