Direct flights from Seattle to San Diego SEA → SAN
Alaska Airlines, Delta Air Lines, NetJets Aviation and Southwest Airlines operate nonstop flights from Seattle (SEA) to San Diego (SAN). The nonstop flight takes around ~2h 7m, covering 1,051 miles (1,692 km) and operates multiple daily. Round-trip fares currently start at $202, with a typical fare around $298 across 226 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 226 recent fares across the next 60 days
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Alaska Airlines
AS
Delta Air Lines
DL
NetJets Aviation
1I
Southwest Airlines
WN
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Frequently asked questions
Is there a direct flight from Seattle to San Diego?
Yes, Alaska Airlines, Delta Air Lines and 2 more airlines operate nonstop flights from Seattle (SEA) to San Diego (SAN).
Which airlines fly direct from Seattle to San Diego?
Alaska Airlines, Delta Air Lines, NetJets Aviation, Southwest Airlines operate nonstop flights from Seattle to San Diego.
How long is the flight from Seattle to San Diego?
The nonstop flight from Seattle to San Diego takes ~2h 7m (approximately 1692 km).
How often do direct flights operate from Seattle to San Diego?
Nonstop flights from Seattle to San Diego operate multiple daily.
How much is a round-trip flight from Seattle to San Diego?
Round-trip flights from Seattle (SEA) to San Diego (SAN) start at $202, with a typical fare around $298. Based on 226 recent fare combinations.