$219 Cheap Delta flights Louisville (SDF) to Ontario (ONT)

$219 Cheap Delta flights Louisville (SDF) to Ontario (ONT)

Prices were available within the past 7 days and start at $219 for one-way flights and $335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 31 - Sat, Apr 18

SDF

Louisville

ONT

Ontario

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Mar 31 from Louisville to Ontario, returning Sat, Apr 18, priced at $335 found 1 day ago

Tue, Mar 31 - Sun, Apr 5

SDF

Louisville

ONT

Ontario

$386 Roundtrip, found 1 day ago

$386

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Mar 31 from Louisville to Ontario, returning Sun, Apr 5, priced at $386 found 1 day ago

Mon, Aug 17 - Tue, Aug 18

SDF

Louisville

ONT

Ontario

$508 Roundtrip, found 3 days ago

$508

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Aug 17 from Louisville to Ontario, returning Tue, Aug 18, priced at $508 found 3 days ago

Mon, Aug 17 - Tue, Aug 18

SDF

Louisville

ONT

Ontario

$527 Roundtrip, found 3 days ago

$527

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Aug 17 from Louisville to Ontario, returning Tue, Aug 18, priced at $527 found 3 days ago

Mon, Aug 17 - Tue, Aug 18

SDF

Louisville

ONT

Ontario

$568 Roundtrip, found 3 days ago

$568

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Aug 17 from Louisville to Ontario, returning Tue, Aug 18, priced at $568 found 3 days ago

Mon, Aug 17 - Tue, Aug 18

SDF

Louisville

ONT

Ontario

$587 Roundtrip, found 3 days ago

$587

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Aug 17 from Louisville to Ontario, returning Tue, Aug 18, priced at $587 found 3 days ago