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

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

Prices were available within the past 7 days and start at for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 15 - Thu, Dec 25

FSD

Sioux Falls

ONT

Ontario

$299 Roundtrip, found 1 day ago

$299

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Dec 15 from Sioux Falls to Ontario, returning Thu, Dec 25, priced at $299 found 1 day ago

Sun, Dec 14 - Thu, Dec 25

FSD

Sioux Falls

ONT

Ontario

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Dec 14 from Sioux Falls to Ontario, returning Thu, Dec 25, priced at $398 found 1 day ago

Sat, Dec 20 - Thu, Dec 25

FSD

Sioux Falls

ONT

Ontario

$559 Roundtrip, found 1 day ago

$559

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Dec 20 from Sioux Falls to Ontario, returning Thu, Dec 25, priced at $559 found 1 day ago