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 $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Sat, Nov 1

SDF

Louisville

ONT

Ontario

$320 Roundtrip, found 8 hours ago

$320

Roundtrip

found 8 hours ago

Select Delta flight, departing Tue, Oct 21 from Louisville to Ontario, returning Sat, Nov 1, priced at $320 found 8 hours ago

Sat, Oct 18 - Tue, Oct 28

SDF

Louisville

ONT

Ontario

$324 Roundtrip, found 8 hours ago

$324

Roundtrip

found 8 hours ago

Select Delta flight, departing Sat, Oct 18 from Louisville to Ontario, returning Tue, Oct 28, priced at $324 found 8 hours ago

Sat, Oct 25 - Sat, Nov 1

SDF

Louisville

ONT

Ontario

$359 Roundtrip, found 8 hours ago

$359

Roundtrip

found 8 hours ago

Select Delta flight, departing Sat, Oct 25 from Louisville to Ontario, returning Sat, Nov 1, priced at $359 found 8 hours ago

Sun, Oct 19 - Tue, Oct 28

SDF

Louisville

ONT

Ontario

$389 Roundtrip, found 8 hours ago

$389

Roundtrip

found 8 hours ago

Select Delta flight, departing Sun, Oct 19 from Louisville to Ontario, returning Tue, Oct 28, priced at $389 found 8 hours ago

Wed, Oct 15 - Tue, Oct 28

SDF

Louisville

ONT

Ontario

$409 Roundtrip, found 8 hours ago

$409

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Oct 15 from Louisville to Ontario, returning Tue, Oct 28, priced at $409 found 8 hours ago

Sat, Oct 25 - Sun, Oct 26

SDF

Louisville

ONT

Ontario

$428 Roundtrip, found 8 hours ago

$428

Roundtrip

found 8 hours ago

Select Delta flight, departing Sat, Oct 25 from Louisville to Ontario, returning Sun, Oct 26, priced at $428 found 8 hours ago

Sat, Oct 18 - Sun, Oct 19

SDF

Louisville

ONT

Ontario

$432 Roundtrip, found 8 hours ago

$432

Roundtrip

found 8 hours ago

Select Delta flight, departing Sat, Oct 18 from Louisville to Ontario, returning Sun, Oct 19, priced at $432 found 8 hours ago

Wed, Oct 15 - Sun, Oct 26

SDF

Louisville

ONT

Ontario

$517 Roundtrip, found 8 hours ago

$517

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Oct 15 from Louisville to Ontario, returning Sun, Oct 26, priced at $517 found 8 hours ago

Wed, Oct 15 - Thu, Oct 16

SDF

Louisville

ONT

Ontario

$599 Roundtrip, found 8 hours ago

$599

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Oct 15 from Louisville to Ontario, returning Thu, Oct 16, priced at $599 found 8 hours ago