Direct flights from San Diego to Santa Rosa SAN → STS
Alaska Airlines, American Airlines and Southwest Airlines fly nonstop from San Diego (SAN) to Santa Rosa (STS), several times daily. The flight takes about 1h 33m and covers 509 miles (819 km). Round-trip fares typically run around $227. Arrivals run on time 75.8% at SAN and 86.0% at STS — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 17 August 2026.
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Alaska Airlines
AS
American Airlines
AA
Southwest Airlines
WN
Frequently asked questions
Is there a direct flight from San Diego to Santa Rosa?
Yes, Alaska Airlines, American Airlines and 1 more airline operate nonstop flights from San Diego (SAN) to Santa Rosa (STS).
Which airlines fly direct from San Diego to Santa Rosa?
Alaska Airlines, American Airlines, Southwest Airlines operate nonstop flights from San Diego to Santa Rosa.
How long is the flight from San Diego to Santa Rosa?
The nonstop flight from San Diego to Santa Rosa takes ~1h 33m (approximately 819 km).
How often do direct flights operate from San Diego to Santa Rosa?
Nonstop flights from San Diego to Santa Rosa operate multiple daily.
What is the on-time performance for flights from San Diego to Santa Rosa?
Arrivals run on time 75.8% at SAN and 86.0% at STS — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
How much is a round-trip flight from San Diego to Santa Rosa?
Round-trip flights from San Diego (SAN) to Santa Rosa (STS) start at $227, with a typical fare around $227. Based on 1 recent fare combinations.
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