Cheap flights from Seattle to Carlsbad

View AU$153 flight on Tue, 16 Sep. 2025Opens in a new window

Popular airlines from Seattle to Carlsbad

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Cheap Flights from Seattle (SEA) to Carlsbad (SAN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 16 Sep. - Tue, 23 Sep.
PAE
Seattle
SAN
San Diego
AU$244 Return, found 2 days ago
AU$244
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 16 Sep. from Seattle to San Diego, returning Tue, 23 Sep., priced at AU$244 found 2 days ago
Hawaiian Airlines
Sat, 27 Sep. - Wed, 8 Oct.
PAE
Seattle
SAN
San Diego
AU$260 Return, found 3 days ago
AU$260
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, 27 Sep. from Seattle to San Diego, returning Wed, 8 Oct., priced at AU$260 found 3 days ago
Delta
Sat, 1 Nov. - Tue, 11 Nov.
SEA
Seattle
SAN
San Diego
AU$275 Return, found 3 days ago
AU$275
Return
found 3 days ago
Select Delta flight, departing Sat, 1 Nov. from Seattle to San Diego, returning Tue, 11 Nov., priced at AU$275 found 3 days ago
Alaska Airlines
Tue, 16 Sep. - Tue, 23 Sep.
SEA
Seattle
SAN
San Diego
AU$275 Return, found 2 days ago
AU$275
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 16 Sep. from Seattle to San Diego, returning Tue, 23 Sep., priced at AU$275 found 2 days ago
American Airlines
Tue, 16 Sep. - Tue, 23 Sep.
SEA
Seattle
SAN
San Diego
AU$306 Return, found 2 days ago
AU$306
Return
found 2 days ago
Select American Airlines flight, departing Tue, 16 Sep. from Seattle to San Diego, returning Tue, 23 Sep., priced at AU$306 found 2 days ago
United
Tue, 16 Sep. - Tue, 23 Sep.
SEA
Seattle
SAN
San Diego
AU$399 Return, found 2 days ago
AU$399
Return
found 2 days ago
Select United flight, departing Tue, 16 Sep. from Seattle to San Diego, returning Tue, 23 Sep., priced at AU$399 found 2 days ago

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

November is typically the cheapest month to fly

From AU$124 - AU$383 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.