$261 Cheap United flights Ontario Intl. Airport (ONT) to Louisville (SDF)

$261 Cheap United flights Ontario Intl. Airport (ONT) to Louisville (SDF)

Prices were available within the past 7 days and start at $261 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$499 Roundtrip, found 2 hours ago

$499

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $499 found 2 hours ago

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$549 Roundtrip, found 2 hours ago

$549

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $549 found 2 hours ago

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$553 Roundtrip, found 2 hours ago

$553

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $553 found 2 hours ago

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$598 Roundtrip, found 2 hours ago

$598

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $598 found 2 hours ago

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$604 Roundtrip, found 2 hours ago

$604

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $604 found 2 hours ago

Fri, May 29 - Fri, Jun 5

ONT

Ontario

SDF

Louisville

$648 Roundtrip, found 2 hours ago

$648

Roundtrip

found 2 hours ago

Select United flight, departing Fri, May 29 from Ontario to Louisville, returning Fri, Jun 5, priced at $648 found 2 hours ago