Cheap Delta flights Louisville (SDF) to Ontario (ONT)

Cheap Delta flights Louisville (SDF) to Ontario (ONT)

Prices were available within the past 7 days and start at for one-way flights and $719 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 13 - Sat, Aug 16

SDF

Louisville

ONT

Ontario

$719 Roundtrip, found 21 hours ago

$719

Roundtrip

found 21 hours ago

Select Delta flight, departing Wed, Aug 13 from Louisville to Ontario, returning Sat, Aug 16, priced at $719 found 21 hours ago

Tue, Aug 12 - Fri, Aug 15

SDF

Louisville

ONT

Ontario

$783 Roundtrip, found 21 hours ago

$783

Roundtrip

found 21 hours ago

Select Delta flight, departing Tue, Aug 12 from Louisville to Ontario, returning Fri, Aug 15, priced at $783 found 21 hours ago