Frontier Airlines: San Francisco to Seattle in October
Fly Frontier Airlines from San Francisco (SFO) to Seattle (SEA) in October 2026. Q4 (Fall) pricing. Distance: 679 mi. Flight time: 2h 30m.
$95
Economy est.
$260
Business est.
2h 30m
Flight time
October Travel Tips
Q4 (Fall) is typically peak season for this route. Nonstop service available. Book 6-8 weeks ahead for best prices.
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