Cheap flights from Seattle to Southern California

View AU$121 flight on Sat, 6 Dec. 2025Opens in a new window

Popular airlines from Seattle to Southern California

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle (SEA) to Southern California (QLA)

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
Thu, 14 Aug. - Sat, 16 Aug.
SEA
Seattle
SAN
San Diego
AU$210 Return, found 6 days ago
AU$210
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 14 Aug. from Seattle to San Diego, returning Sat, 16 Aug., priced at AU$210 found 6 days ago
Delta
Thu, 14 Aug. - Sat, 16 Aug.
SEA
Seattle
SAN
San Diego
AU$210 Return, found 6 days ago
AU$210
Return
found 6 days ago
Select Delta flight, departing Thu, 14 Aug. from Seattle to San Diego, returning Sat, 16 Aug., priced at AU$210 found 6 days ago
Hawaiian Airlines
Wed, 20 Aug. - Tue, 2 Sep.
SEA
Seattle
ONT
Ontario
AU$211 Return, found 4 days ago
AU$211
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, 20 Aug. from Seattle to Ontario, returning Tue, 2 Sep., priced at AU$211 found 4 days ago
Frontier Airlines
Thu, 21 Aug. - Sat, 30 Aug.
SEA
Seattle
LAX
Los Angeles
AU$235 Return, found 5 days ago
AU$235
Return
found 5 days ago
Select Frontier Airlines flight, departing Thu, 21 Aug. from Seattle to Los Angeles, returning Sat, 30 Aug., priced at AU$235 found 5 days ago
Frontier Airlines
Wed, 20 Aug. - Thu, 4 Sep.
SEA
Seattle
ONT
Ontario
AU$236 Return, found 5 days ago
AU$236
Return
found 5 days ago
Select Frontier Airlines flight, departing Wed, 20 Aug. from Seattle to Ontario, returning Thu, 4 Sep., priced at AU$236 found 5 days ago
American Airlines
Sat, 6 Dec. - Sat, 13 Dec.
SEA
Seattle
LAX
Los Angeles
AU$241 Return, found 5 days ago
AU$241
Return
found 5 days ago
Select American Airlines flight, departing Sat, 6 Dec. from Seattle to Los Angeles, returning Sat, 13 Dec., priced at AU$241 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Los Angeles (LAX)

January is typically the cheapest month to fly

From AU$74 - AU$363 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.