$119 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

View $119 flight on Tue, Jun 9, 2026Opens in a new window

$119 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $119 for one-way flights and $332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 25 - Wed, Apr 29
SEA
Seattle
ONT
Ontario
$332 Roundtrip, found 6 days ago
$332
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Apr 25 from Seattle to Ontario, returning Wed, Apr 29, priced at $332 found 6 days ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $327
SNA
John Wayne
Average driving time to city center42 min
Flights from $327

Find the cheapest month to fly from Seattle (SEA) to Ontario (ONT)

October is typically the cheapest month to fly

From $79 - $159 per traveler.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1530 km
Average flight time
2 hours 53 mins

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