Cheap flights from Seattle to Western United States

View AU$105 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Seattle to Western United States

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap Flights from Seattle (SEA) to Western United States (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
Tue, 12 Aug. - Sat, 16 Aug.
SEA
Seattle
PDX
Portland
AU$149 Return, found 5 hours ago
AU$149
Return
found 5 hours ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from Seattle to Portland, returning Sat, 16 Aug., priced at AU$149 found 5 hours ago
Alaska Airlines
Wed, 20 Aug. - Wed, 27 Aug.
SEA
Seattle
PDX
Portland
AU$179 Return, found 3 days ago
AU$179
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 20 Aug. from Seattle to Portland, returning Wed, 27 Aug., priced at AU$179 found 3 days ago
Delta
Tue, 12 Aug. - Sat, 16 Aug.
SEA
Seattle
PDX
Portland
AU$180 Return, found 5 hours ago
AU$180
Return
found 5 hours ago
Select Delta flight, departing Tue, 12 Aug. from Seattle to Portland, returning Sat, 16 Aug., priced at AU$180 found 5 hours ago
Frontier Airlines
Thu, 21 Aug. - Sat, 30 Aug.
SEA
Seattle
LAX
Los Angeles
AU$235 Return, found 8 hours ago
AU$235
Return
found 8 hours ago
Select Frontier Airlines flight, departing Thu, 21 Aug. from Seattle to Los Angeles, returning Sat, 30 Aug., priced at AU$235 found 8 hours ago
American Airlines
Sat, 6 Dec. - Sat, 13 Dec.
SEA
Seattle
LAX
Los Angeles
AU$241 Return, found 11 hours ago
AU$241
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 6 Dec. from Seattle to Los Angeles, returning Sat, 13 Dec., priced at AU$241 found 11 hours ago
Hawaiian Airlines
Sun, 31 Aug. - Tue, 16 Sep.
PAE
Seattle
LAX
Los Angeles
AU$255 Return, found 1 day ago
AU$255
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, 31 Aug. from Seattle to Los Angeles, returning Tue, 16 Sep., priced at AU$255 found 1 day 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.