$179 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

View $179 flight on Wed, Nov 5, 2025Opens in a new window

$179 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $179 for one-way flights and $362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 5 - Mon, Nov 10
SEA
Seattle
ONT
Ontario
$362 Roundtrip, found 2 days ago
$362
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 5 from Seattle to Ontario, returning Mon, Nov 10, priced at $362 found 2 days ago

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Popular airline
Delta
Distance
1530 km
Average flight time
2 hours 41 mins

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