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

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

Prices were available within the past 7 days and start at for one-way flights and $411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 8 - Tue, Apr 14

ONT

Ontario

SDF

Louisville

$411 Roundtrip, found 16 hours ago

$411

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Apr 8 from Ontario to Louisville, returning Tue, Apr 14, priced at $411 found 16 hours ago

Wed, Feb 4 - Wed, Feb 25

ONT

Ontario

SDF

Louisville

$411 Roundtrip, found 1 day ago

$411

Roundtrip

found 1 day ago

Select United flight, departing Wed, Feb 4 from Ontario to Louisville, returning Wed, Feb 25, priced at $411 found 1 day ago

Wed, Apr 8 - Tue, Apr 28

ONT

Ontario

SDF

Louisville

$421 Roundtrip, found 2 days ago

$421

Roundtrip

found 2 days ago

Select United flight, departing Wed, Apr 8 from Ontario to Louisville, returning Tue, Apr 28, priced at $421 found 2 days ago

Sat, Feb 21 - Tue, Mar 10

ONT

Ontario

SDF

Louisville

$440 Roundtrip, found 1 day ago

$440

Roundtrip

found 1 day ago

Select United flight, departing Sat, Feb 21 from Ontario to Louisville, returning Tue, Mar 10, priced at $440 found 1 day ago

Thu, Apr 9 - Tue, Apr 14

ONT

Ontario

SDF

Louisville

$469 Roundtrip, found 16 hours ago

$469

Roundtrip

found 16 hours ago

Select United flight, departing Thu, Apr 9 from Ontario to Louisville, returning Tue, Apr 14, priced at $469 found 16 hours ago

Thu, Apr 9 - Sat, Apr 18

ONT

Ontario

SDF

Louisville

$488 Roundtrip, found 16 hours ago

$488

Roundtrip

found 16 hours ago

Select United flight, departing Thu, Apr 9 from Ontario to Louisville, returning Sat, Apr 18, priced at $488 found 16 hours ago

Wed, Apr 8 - Sun, Apr 26

ONT

Ontario

SDF

Louisville

$518 Roundtrip, found 16 hours ago

$518

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Apr 8 from Ontario to Louisville, returning Sun, Apr 26, priced at $518 found 16 hours ago

Thu, Apr 9 - Sat, Apr 11

ONT

Ontario

SDF

Louisville

$527 Roundtrip, found 16 hours ago

$527

Roundtrip

found 16 hours ago

Select United flight, departing Thu, Apr 9 from Ontario to Louisville, returning Sat, Apr 11, priced at $527 found 16 hours ago

Fri, Apr 10 - Fri, Apr 17

ONT

Ontario

SDF

Louisville

$576 Roundtrip, found 16 hours ago

$576

Roundtrip

found 16 hours ago

Select United flight, departing Fri, Apr 10 from Ontario to Louisville, returning Fri, Apr 17, priced at $576 found 16 hours ago