FFL Helper / San Francisco / Seattle

SFO → SEA

San Francisco to Seattle

Compare one-way fares for flights from San Francisco to Seattle.

Lowest fare $74

Distance 679 mi

Flight time 2h 30m

Airports SFO–SEA

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By month: August 2026 from $146 · September 2026 from $88 · October 2026 from $74

Price calendar

August 2026

From $146 · up to $203

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23 $203 24 $190 25 $177 26 $173 27 $160 28 $160 29 $160 30 $146

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September 2026

From $88

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18 $88

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Upcoming dates

Seattle SEA

$74

Oct 09, 10:45pm · 2h 30m · 0 stops

SFO → SEA · United Airlines

Tickets

About this route

This calendar shows dated one-way fares from San Francisco to Seattle. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book San Francisco to Seattle.