$65 Cheap United flights Seattle (SEA) to San Diego (SAN)

View $65 flight on Fri, Dec 5, 2025Opens in a new window
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$65 Cheap United flights Seattle (SEA) to San Diego (SAN)

Prices were available within the past 7 days and start at $65 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 13 - Thu, Jan 15
SEA
Seattle
SAN
San Diego
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jan 13 from Seattle to San Diego, returning Thu, Jan 15, priced at $150 found 1 hour ago
United
Wed, Dec 10 - Tue, Dec 16
SEA
Seattle
SAN
San Diego
$153 Roundtrip, found 10 hours ago
$153
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Dec 10 from Seattle to San Diego, returning Tue, Dec 16, priced at $153 found 10 hours ago

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1051 mi
Average flight time
2 hours 51 mins

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