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Seattle skyline with Space Needle and Mount Rainier
SEA
Seattle
San Diego skyline and Coronado Bridge
SAN
San Diego

Seattle → San Diego

Frontier Airlines · Round Trip · Nonstop

Save $146 (41% off)
Compared to the typical price of $357
$211$357

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 15, 2026
Returns
Apr 16, 2026

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