CA $121 Cheap Delta fights from Seattle (SEA) to San Diego (SAN)

View CA $121 flight on Wed, Oct. 22, 2025Opens in a new window

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Delta flights from Seattle to San Diego (SEA→SAN)

Prices were available within the past 7 days and start at CA $121 for one-way flights and CA $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat., Sep. 27 - Sat., Oct. 4
SEA
Seattle
SAN
San Diego
CA $241 Roundtrip, just found
CA $241
Roundtrip
just found
Select Delta flight, departing Sat., Sep. 27 from Seattle to San Diego, returning Sat., Oct. 4, priced at CA $241 just found
Delta
Thu., Sep. 25 - Mon., Sep. 29
SEA
Seattle
SAN
San Diego
CA $242 Roundtrip, found 6 days ago
CA $242
Roundtrip
found 6 days ago
Select Delta flight, departing Thu., Sep. 25 from Seattle to San Diego, returning Mon., Sep. 29, priced at CA $242 found 6 days ago
Delta
Thu., Oct. 16 - Mon., Oct. 20
SEA
Seattle
SAN
San Diego
CA $270 Roundtrip, found 4 days ago
CA $270
Roundtrip
found 4 days ago
Select Delta flight, departing Thu., Oct. 16 from Seattle to San Diego, returning Mon., Oct. 20, priced at CA $270 found 4 days ago
Flight from Seattle to San Diego (SEA - SAN) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
1681 km
Average flight time
2 hours 51 mins
*Available to Expedia members.