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

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

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.

Sun, Dec 14 - Wed, Dec 24

FSD

Sioux Falls

ONT

Ontario

$349 Roundtrip, found 1 day ago

$349

Roundtrip

found 1 day ago

Select United flight, departing Sun, Dec 14 from Sioux Falls to Ontario, returning Wed, Dec 24, priced at $349 found 1 day ago

Sun, Dec 14 - Sat, Dec 27

FSD

Sioux Falls

ONT

Ontario

$374 Roundtrip, found 1 day ago

$374

Roundtrip

found 1 day ago

Select United flight, departing Sun, Dec 14 from Sioux Falls to Ontario, returning Sat, Dec 27, priced at $374 found 1 day ago

Tue, Dec 16 - Sat, Dec 27

FSD

Sioux Falls

ONT

Ontario

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select United flight, departing Tue, Dec 16 from Sioux Falls to Ontario, returning Sat, Dec 27, priced at $379 found 1 day ago

Tue, Dec 16 - Sun, Dec 28

FSD

Sioux Falls

ONT

Ontario

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select United flight, departing Tue, Dec 16 from Sioux Falls to Ontario, returning Sun, Dec 28, priced at $384 found 1 day ago

Sun, Dec 14 - Tue, Dec 30

FSD

Sioux Falls

ONT

Ontario

$407 Roundtrip, found 1 day ago

$407

Roundtrip

found 1 day ago

Select United flight, departing Sun, Dec 14 from Sioux Falls to Ontario, returning Tue, Dec 30, priced at $407 found 1 day ago

Tue, Dec 16 - Tue, Dec 30

FSD

Sioux Falls

ONT

Ontario

$412 Roundtrip, found 1 day ago

$412

Roundtrip

found 1 day ago

Select United flight, departing Tue, Dec 16 from Sioux Falls to Ontario, returning Tue, Dec 30, priced at $412 found 1 day ago

Sun, Dec 14 - Fri, Dec 26

FSD

Sioux Falls

ONT

Ontario

$416 Roundtrip, found 1 day ago

$416

Roundtrip

found 1 day ago

Select United flight, departing Sun, Dec 14 from Sioux Falls to Ontario, returning Fri, Dec 26, priced at $416 found 1 day ago

Tue, Dec 16 - Fri, Dec 26

FSD

Sioux Falls

ONT

Ontario

$421 Roundtrip, found 1 day ago

$421

Roundtrip

found 1 day ago

Select United flight, departing Tue, Dec 16 from Sioux Falls to Ontario, returning Fri, Dec 26, priced at $421 found 1 day ago

Wed, Dec 17 - Sat, Dec 27

FSD

Sioux Falls

ONT

Ontario

$432 Roundtrip, found 1 day ago

$432

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 17 from Sioux Falls to Ontario, returning Sat, Dec 27, priced at $432 found 1 day ago

Wed, Dec 17 - Sun, Dec 28

FSD

Sioux Falls

ONT

Ontario

$437 Roundtrip, found 1 day ago

$437

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 17 from Sioux Falls to Ontario, returning Sun, Dec 28, priced at $437 found 1 day ago

Wed, Dec 17 - Tue, Dec 30

FSD

Sioux Falls

ONT

Ontario

$465 Roundtrip, found 1 day ago

$465

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 17 from Sioux Falls to Ontario, returning Tue, Dec 30, priced at $465 found 1 day ago

Wed, Dec 17 - Fri, Dec 26

FSD

Sioux Falls

ONT

Ontario

$474 Roundtrip, found 1 day ago

$474

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 17 from Sioux Falls to Ontario, returning Fri, Dec 26, priced at $474 found 1 day ago