Cheap United flights Ontario (ONT) to Sioux Falls (FSD)

Cheap United flights Ontario (ONT) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 10 - Sat, Dec 13

ONT

Ontario

FSD

Sioux Falls

$349 Roundtrip, found 3 days ago

$349

Roundtrip

found 3 days ago

Select United flight, departing Wed, Dec 10 from Ontario to Sioux Falls, returning Sat, Dec 13, priced at $349 found 3 days ago

Wed, Dec 10 - Sun, Dec 14

ONT

Ontario

FSD

Sioux Falls

$374 Roundtrip, found 3 days ago

$374

Roundtrip

found 3 days ago

Select United flight, departing Wed, Dec 10 from Ontario to Sioux Falls, returning Sun, Dec 14, priced at $374 found 3 days ago