Cheap flights to Washington from San Francisco
Round trips from San Francisco from $140. Cheapest dates, deal ratings and where to book.
- Seattle: $140, 2026-11-10 to 2026-11-16
- Everett: $162, 2026-11-10 to 2026-11-16
- Spokane: $257, 2026-10-20 to 2026-10-24