Direct flights from San Diego to Seattle SAN → SEA
Alaska Airlines, Delta Air Lines and Southwest Airlines operate nonstop flights from San Diego (SAN) to Seattle (SEA). The nonstop flight takes around ~2h 7m, covering 1,051 miles (1,692 km) and operates multiple daily. Round-trip fares currently start at $227, with a typical fare around $256 across 183 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 183 recent fares across the next 60 days
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Alaska Airlines
AS
Delta Air Lines
DL
Southwest Airlines
WN
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Frequently asked questions
Is there a direct flight from San Diego to Seattle?
Yes, Alaska Airlines, Delta Air Lines and 1 more airline operate nonstop flights from San Diego (SAN) to Seattle (SEA).
Which airlines fly direct from San Diego to Seattle?
Alaska Airlines, Delta Air Lines, Southwest Airlines operate nonstop flights from San Diego to Seattle.
How long is the flight from San Diego to Seattle?
The nonstop flight from San Diego to Seattle takes ~2h 7m (approximately 1692 km).
How often do direct flights operate from San Diego to Seattle?
Nonstop flights from San Diego to Seattle operate multiple daily.
How much is a round-trip flight from San Diego to Seattle?
Round-trip flights from San Diego (SAN) to Seattle (SEA) start at $227, with a typical fare around $256. Based on 183 recent fare combinations.