Flights to San Diego from SeaTac

View ฿3,885 flight on Sun, 24 Aug 2025Opens in a new window

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Cheap Flights from SeaTac (SEA) to San Diego (SAN)

Prices were available within the past 7 days and start at ฿3,885 for one-way flights and ฿8,420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
SAN
San Diego
฿8,420 Return, found 6 days ago
฿8,420
Return
found 6 days ago
Select Delta flight, departing Tue, 29 Jul from Seattle to San Diego, returning Tue, 5 Aug, priced at ฿8,420 found 6 days ago
Delta
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
SAN
San Diego
฿9,075 Return, found 6 days ago
฿9,075
Return
found 6 days ago
Select Delta flight, departing Tue, 29 Jul from Seattle to San Diego, returning Tue, 5 Aug, priced at ฿9,075 found 6 days ago
Delta
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
SAN
San Diego
฿9,395 Return, found 6 days ago
฿9,395
Return
found 6 days ago
Select Delta flight, departing Tue, 29 Jul from Seattle to San Diego, returning Tue, 5 Aug, priced at ฿9,395 found 6 days ago
United
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
SAN
San Diego
฿9,875 Return, found 6 days ago
฿9,875
Return
found 6 days ago
Select United flight, departing Tue, 29 Jul from Seattle to San Diego, returning Tue, 5 Aug, priced at ฿9,875 found 6 days ago
American Airlines
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
CLD
Carlsbad
฿10,035 Return, found 6 days ago
฿10,035
Return
found 6 days ago
Select American Airlines flight, departing Tue, 29 Jul from Seattle to Carlsbad, returning Tue, 5 Aug, priced at ฿10,035 found 6 days ago
United
Tue, 29 Jul - Tue, 5 Aug
SEA
Seattle
SAN
San Diego
฿10,215 Return, found 6 days ago
฿10,215
Return
found 6 days ago
Select United flight, departing Tue, 29 Jul from Seattle to San Diego, returning Tue, 5 Aug, priced at ฿10,215 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to San Diego (SAN)

November is typically the cheapest month to fly

From ฿2,627 - ฿8,853 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.