Cheap flights from Los Angeles to Eastside

View AU$121 flight on Tue, 16 Sep. 2025Opens in a new window

Popular airlines from Los Angeles to Eastside

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Los Angeles (QLA) to Eastside (SEA)

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
Wed, 20 Aug. - Wed, 27 Aug.
ONT
Ontario
SEA
Seattle
AU$210 Return, found 13 hours ago
AU$210
Return
found 13 hours ago
Select Alaska Airlines flight, departing Wed, 20 Aug. from Ontario to Seattle, returning Wed, 27 Aug., priced at AU$210 found 13 hours ago
Delta
Wed, 20 Aug. - Wed, 27 Aug.
ONT
Ontario
SEA
Seattle
AU$211 Return, found 13 hours ago
AU$211
Return
found 13 hours ago
Select Delta flight, departing Wed, 20 Aug. from Ontario to Seattle, returning Wed, 27 Aug., priced at AU$211 found 13 hours ago
Hawaiian Airlines
Wed, 13 Aug. - Tue, 19 Aug.
BUR
Burbank
SEA
Seattle
AU$211 Return, found 1 day ago
AU$211
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, 13 Aug. from Burbank to Seattle, returning Tue, 19 Aug., priced at AU$211 found 1 day ago
Hawaiian Airlines
Sat, 13 Sep. - Tue, 30 Sep.
ONT
Ontario
SEA
Seattle
AU$211 Return, found 1 day ago
AU$211
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, 13 Sep. from Ontario to Seattle, returning Tue, 30 Sep., priced at AU$211 found 1 day ago
American Airlines
Mon, 20 Oct. - Tue, 28 Oct.
LAX
Los Angeles
SEA
Seattle
AU$258 Return, found 2 days ago
AU$258
Return
found 2 days ago
Select American Airlines flight, departing Mon, 20 Oct. from Los Angeles to Seattle, returning Tue, 28 Oct., priced at AU$258 found 2 days ago
United
Tue, 7 Oct. - Tue, 14 Oct.
LAX
Los Angeles
SEA
Seattle
AU$333 Return, found 7 hours ago
AU$333
Return
found 7 hours ago
Select United flight, departing Tue, 7 Oct. from Los Angeles to Seattle, returning Tue, 14 Oct., priced at AU$333 found 7 hours ago

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

January is typically the cheapest month to fly

From AU$74 - AU$343 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.