Planning a flight from San Francisco to Seattle Lake Union?

Flight prices from San Francisco to Seattle change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports are most convenient between San Francisco and Seattle?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in San Francisco: Only San Francisco is currently active.
• Airports in Seattle: In Seattle you can fly to/from 2 airports - Boeing Field, Lake Union.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Compare flights from San Francisco to Seattle Lake Union with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

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If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.