Compare fares on the short-haul flight from Seattle to San Francisco — a southbound route of about 679 miles, typically flown nonstop in around 1h 50m.
Fares from $99 one-way, economy · as of Jul 7, 2026
Distance
679 mi
1,093 km
Est. flight time
1h 50m
nonstop
Nonstop service
Available
4 carriers
Time difference
Same time zone
San Francisco
Flights from Seattle Tacoma International Airport (SEA) to San Francisco International Airport (SFO) cover roughly 679 miles (1,093 km) on a southbound heading, a nonstop flight of about 1h 50m. San Francisco is in the same time zone as Seattle. It's served by 4 airlines.
Lets Fly Travel compares live fares across hundreds of airlines to find the best deal on this route — and every booking is reviewed by a real travel agent before ticketing.
Airlines with recent nonstop fares on the SEA–SFO route (as of Jul 7, 2026):
Airline availability and fares change over time — search your dates for current options.
Fare patterns and travel conditions vary by season. Here's what to expect on the SEA–SFO route throughout the year.
Jan–Feb
Winter weekdays on the Seattle–San Francisco route are often lightly booked — a good window for budget-conscious travelers.
Mar–May
Spring demand picks up, especially around school break periods. Searching Tuesday–Thursday departures usually surfaces the cheapest fares.
Jun–Aug
Summer travel is busy on this short-haul flight. Booking 3–5 weeks out and avoiding Friday/Sunday departures helps keep costs down.
Sep–Oct
Post-summer shoulder period often brings the lowest fares on the SEA–SFO route. Weather is usually still pleasant at both ends.
Nov–Dec
Holiday travel between Seattle and San Francisco books up fast. Set a fare alert and book as soon as you confirm your plans.
San Francisco is served by San Francisco International Airport (IATA: SFO , ICAO: KSFO). Allow time for baggage claim and ground transportation after landing.
IATA Code
SFO
Flight Time
~1h 50m
Distance
679 mi
tips_and_updates Arrival tips
Live fares across hundreds of airlines.