Direct flights from Santa Rosa to Seattle

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Santa Rosa

United States

STS

Charles M. Schulz Sonoma County Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 618 miles
Marketing airlines: 5 airlines
Aircraft: 4 aircraft types
Dates: Oct 19, 2026 – Sep 29, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

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Santa Rosa to Seattle route overview

Charles M. Schulz Sonoma County Airport (STS) serves Santa Rosa; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 618 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from STS to SEA.

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), Finnair (AY), Hawaiian Airlines (HA), Japan Airlines (JL) and Qatar Airways (QR). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Sep 29, 2027.

Marketing airlines on the Santa Rosa to Seattle route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.