Cheap flights from Seattle to Ontario

Airlines that fly from Seattle to Ontario

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Cheap Flights from Seattle to Ontario (SEA-QLA)

Prices were available within the past 7 days and start at AU$108 for one-way flights and AU$219 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alaska Airlines
Seattle — Orange County
SEA - SNA with Alaska Airlines
Wed, 5 Feb
Alaska Airlines
Orange County — Seattle
SNA - SEA with Alaska Airlines
Wed, 12 Feb
Found 21 hours ago
From AU$219
Select flight from Seattle to Orange County, departing on February 5 with Alaska Airlines, and returning from Orange County to Seattle on February 12 with Alaska Airlines. Price from AU$219, Found 21 hours ago.
Alaska Airlines
Seattle — Ontario
SEA - ONT with Alaska Airlines
Wed, 5 Feb
Alaska Airlines
Ontario — Seattle
ONT - SEA with Alaska Airlines
Wed, 12 Feb
Found 2 days ago
From AU$219
Select flight from Seattle to Ontario, departing on February 5 with Alaska Airlines, and returning from Ontario to Seattle on February 12 with Alaska Airlines. Price from AU$219, Found 2 days ago.
Alaska Airlines
Seattle — Orange County
SEA - SNA with Alaska Airlines
Tue, 14 Jan
Alaska Airlines
Orange County — Seattle
SNA - SEA with Alaska Airlines
Wed, 15 Jan
Found 4 days ago
From AU$219
Select flight from Seattle to Orange County, departing on January 14 with Alaska Airlines, and returning from Orange County to Seattle on January 15 with Alaska Airlines. Price from AU$219, Found 4 days ago.
Delta
Seattle — Orange County
SEA - SNA with Delta
Wed, 5 Feb
Delta
Orange County — Seattle
SNA - SEA with Delta
Wed, 12 Feb
Found 21 hours ago
From AU$220
Select flight from Seattle to Orange County, departing on February 5 with Delta, and returning from Orange County to Seattle on February 12 with Delta. Price from AU$220, Found 21 hours ago.
American Airlines
Seattle — Ontario
SEA - ONT with American Airlines
Wed, 5 Feb
American Airlines
Ontario — Seattle
ONT - SEA with American Airlines
Wed, 12 Feb
Found 2 days ago
From AU$255
Select flight from Seattle to Ontario, departing on February 5 with American Airlines, and returning from Ontario to Seattle on February 12 with American Airlines. Price from AU$255, Found 2 days ago.
United
Seattle — Ontario
SEA - ONT with United
Wed, 5 Feb
United
Ontario — Seattle
ONT - SEA with United
Wed, 12 Feb
Found 2 days ago
From AU$396
Select flight from Seattle to Ontario, departing on February 5 with United, and returning from Ontario to Seattle on February 12 with United. Price from AU$396, Found 2 days ago.
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