$184 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

View $184 flight on Thu, Sep 18, 2025Opens in a new window

$184 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $184 for one-way flights and $867 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 26 - Mon, Dec 29
SEA
Seattle
ONT
Ontario
$867 Roundtrip, found 1 day ago
$867
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 26 from Seattle to Ontario, returning Mon, Dec 29, priced at $867 found 1 day ago
Flights from Seattle (SEA) to Ontario (ONT)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
1530 km
Average flight time
2 hours 47 mins