Golden Gate Bridge spanning the bay at sunset beside Fort Point in San Francisco

Cheap Flights from Seattle (SEA) to San Francisco (SFO)

  • About 679 miles
  • About 1.9 hours
  • Best months: May, Sep, Oct
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Planning a trip from Seattle to San Francisco? This 679-mile hop between SEA and SFO takes about 1.9 hours, and Delta and United are among the carriers we see on it. Fares start around $91 in recent searches.

Tips for finding a lower fare

  • Aim for May, Sep and Oct when demand to San Francisco is softer.
  • Book carry-on only if you can. Basic fares from Delta often add bag fees.
  • Look at one-way fares on United and Delta separately; mixing airlines can beat a round trip.

Airlines on this route

Delta, United, Alaska

Things to see in San Francisco

  • Fisherman's Wharf
  • Golden Gate Park

Frequently asked questions

When is the cheapest time to fly from Seattle to San Francisco?

Fares on SEA to SFO are often lower in May, Sep and Oct. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from SEA to SFO?

A nonstop flight takes about 1.9 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Seattle to San Francisco?

Carriers we commonly see on this route include Delta, United and Alaska. Schedules and availability change, so check current options when you search.

How far ahead should I book SEA to SFO?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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