S$236 Cheap Flights from Seattle to San Diego

View S$236 flight on Wed, 3 Dec, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to San Diego Intl. Airport (SAN)

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Cheap Flights from Seattle to San Diego (SEA-SAN)

Prices were available within the past 7 days and start at S$236 for one-way flights and S$351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$351 Return, found 15 hours ago
S$351
Return
found 15 hours ago
Select Delta flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$351 found 15 hours ago
Delta
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$404 Return, found 15 hours ago
S$404
Return
found 15 hours ago
Select Delta flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$404 found 15 hours ago
American Airlines
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$449 Return, found 15 hours ago
S$449
Return
found 15 hours ago
Select American Airlines flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$449 found 15 hours ago
United
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$468 Return, found 15 hours ago
S$468
Return
found 15 hours ago
Select United flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$468 found 15 hours ago
Delta
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$469 Return, found 15 hours ago
S$469
Return
found 15 hours ago
Select Delta flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$469 found 15 hours ago
United
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$475 Return, found 15 hours ago
S$475
Return
found 15 hours ago
Select United flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$475 found 15 hours ago
Delta
Fri, 5 Dec - Tue, 9 Dec
SEA
Seattle
SAN
San Diego
S$493 Return, found 4 days ago
S$493
Return
found 4 days ago
Select Delta flight, departing Fri, 5 Dec from Seattle to San Diego, returning Tue, 9 Dec, priced at S$493 found 4 days ago
American Airlines
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$501 Return, found 15 hours ago
S$501
Return
found 15 hours ago
Select American Airlines flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$501 found 15 hours ago
United
Sat, 13 Dec - Mon, 15 Dec
SEA
Seattle
SAN
San Diego
S$508 Return, found 15 hours ago
S$508
Return
found 15 hours ago
Select United flight, departing Sat, 13 Dec from Seattle to San Diego, returning Mon, 15 Dec, priced at S$508 found 15 hours ago
Hawaiian Airlines
Fri, 5 Dec - Tue, 9 Dec
SEA
Seattle
SAN
San Diego
S$1,617 Return, found 4 days ago
S$1,617
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, 5 Dec from Seattle to San Diego, returning Tue, 9 Dec, priced at S$1,617 found 4 days ago

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

January is typically the cheapest month to fly

From S$114 - S$208 per traveller.
Seattle to San Diego route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
San Diego Intl.
Return price
S$351
Distance
1681 km
Average flight time
2 hours 49 mins

Perfect flights from Seattle to San Diego

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*Note: Prices may vary based on availability and are subject to change.

Explore a world of travel with Expedia

San Diego Airports

Carlsbad

Seattle to McClellan-Palomar
S$662.30
Seattle Airports

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to San Diego
S$647.40
*Available to Expedia members.