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 $432 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 16 - Fri, Dec 26

SDF

Louisville

ONT

Ontario

$432 Roundtrip, found 1 hour ago

$432

Roundtrip

found 1 hour ago

Select Delta flight, departing Tue, Dec 16 from Louisville to Ontario, returning Fri, Dec 26, priced at $432 found 1 hour ago

Mon, Dec 15 - Tue, Dec 16

SDF

Louisville

ONT

Ontario

$462 Roundtrip, found 1 hour ago

$462

Roundtrip

found 1 hour ago

Select Delta flight, departing Mon, Dec 15 from Louisville to Ontario, returning Tue, Dec 16, priced at $462 found 1 hour ago

Fri, Jan 2 - Thu, Jan 15

SDF

Louisville

ONT

Ontario

$467 Roundtrip, found 1 day ago

$467

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Jan 2 from Louisville to Ontario, returning Thu, Jan 15, priced at $467 found 1 day ago

Mon, Dec 29 - Tue, Jan 13

SDF

Louisville

ONT

Ontario

$502 Roundtrip, found 1 day ago

$502

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Dec 29 from Louisville to Ontario, returning Tue, Jan 13, priced at $502 found 1 day ago

Mon, Dec 15 - Fri, Dec 26

SDF

Louisville

ONT

Ontario

$527 Roundtrip, found 1 hour ago

$527

Roundtrip

found 1 hour ago

Select Delta flight, departing Mon, Dec 15 from Louisville to Ontario, returning Fri, Dec 26, priced at $527 found 1 hour ago

Thu, Dec 25 - Thu, Jan 8

SDF

Louisville

ONT

Ontario

$537 Roundtrip, found 1 day ago

$537

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Dec 25 from Louisville to Ontario, returning Thu, Jan 8, priced at $537 found 1 day ago