Cheap Flights from San Francisco to Seattle
Route details, airline options and booking tips for flying from San Francisco, California to Seattle, Washington.
Fares and availability are provided by participating airlines and subject to change.
San Francisco to Seattle Route Overview
Flights from San Francisco to Seattle typically depart from San Francisco International Airport (SFO) and arrive at Seattle-Tacoma International Airport (SEA). Alaska Airlines and Delta Air Lines and Southwest Airlines both have a presence at both ends of this route, which is a good starting point when comparing nonstop options.
Whether this route runs nonstop depends on the specific airline and season — some carriers fly it directly while others route connections through a hub. Search current schedules above for exact options on your travel dates.
Route Snapshot
| Origin airport | San Francisco International Airport (SFO) |
|---|---|
| Destination airport | Seattle-Tacoma International Airport (SEA) |
| Trip types | One-way and round-trip |
| Airlines to compare | United Airlines, Alaska Airlines, Delta Air Lines, Southwest Airlines |
Booking Tips for This Route
- Compare nonstop and one-stop options — a connection is sometimes meaningfully cheaper than a direct flight on the same city pair.
- Check OAK/SJC as alternate departure points from the San Francisco area.
- Review fare rules before booking — basic economy fares are usually the cheapest but come with more restrictions.
Seattle to San Francisco
SEA → SFO flightsRelated Routes
FAQ: San Francisco to Seattle Flights
Is there a nonstop flight from San Francisco to Seattle?
Nonstop availability on the San Francisco to Seattle route depends on the specific airline and season, so it's worth checking current schedules above rather than assuming either way.
What airport should I search for Seattle?
Search SEA (Seattle-Tacoma International Airport).
Search San Francisco to Seattle fares
Compare current options across the airlines that serve this route.