Cheapest one-way
$ 372.00
Alaska Airlines · Nonstop
One-way tickets on SEA–SFO recently started around $ 372.00.
Flights from Seattle to San Francisco
Compare Seattle to San Francisco flights on BookingTrolley, where the lowest tracked fare was $ 743.00. Check airlines, nonstop options and the cheapest months to fly.
Seattle to San Francisco flights overview
BookingTrolley's most recent fare data for the Seattle to San Francisco route shows tickets from $ 743.00. Across the months we have sampled, the typical round-trip fare averages about $ 891.00. Nov tends to be the cheapest month to fly (around $ 743.00), while Jun is usually the most expensive at about $ 1,106.00 — a swing of roughly 49%.
SEA and SFO sit roughly 1,093 km apart, so total travel time depends on whether you fly nonstop or connect. BookingTrolley found 4 airlines currently compete on the SEA–SFO corridor, with Alaska Airlines posting one of the lowest fares at $ 743.00. 4 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
Frequently asked questions about flying from Seattle to San Francisco
Tuesday and Wednesday are typically the cheapest days to fly from Seattle to San Francisco. According to BookingTrolley fare data on the Seattle to San Francisco route (SEA–SFO), round-trip tickets started at $ 743.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Seattle to San Francisco are Alaska Airlines (from $ 743.00), American Airlines (from $ 781.00), United Airlines (from $ 817.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Seattle to San Francisco started at $ 743.00 round trip on a nonstop itinerary on Alaska Airlines, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
Flight time from Seattle to San Francisco depends on the airline and on whether the itinerary is nonstop or connecting. BookingTrolley shows a duration only when it is calculated from observed departure and arrival times.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Seattle to San Francisco route (SEA–SFO), round-trip tickets started at $ 743.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Seattle to San Francisco.
Use BookingTrolley's flexible-date comparison for Seattle (SEA) to San Francisco (SFO) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
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Explore fares from Seattle, into San Francisco, and on related corridors with BookingTrolley.
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