Cheap United flights Greenville (GSP) to Ontario (ONT)

Cheap United flights Greenville (GSP) to Ontario (ONT)

Prices were available within the past 7 days and start at for one-way flights and $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 24 - Tue, Jan 6

GSP

Greenville

ONT

Ontario

$463 Roundtrip, found 2 days ago

$463

Roundtrip

found 2 days ago

Select United flight, departing Wed, Dec 24 from Greenville to Ontario, returning Tue, Jan 6, priced at $463 found 2 days ago

Wed, Dec 24 - Sat, Jan 10

GSP

Greenville

ONT

Ontario

$468 Roundtrip, found 2 days ago

$468

Roundtrip

found 2 days ago

Select United flight, departing Wed, Dec 24 from Greenville to Ontario, returning Sat, Jan 10, priced at $468 found 2 days ago

Sat, Dec 20 - Tue, Jan 6

GSP

Greenville

ONT

Ontario

$507 Roundtrip, found 2 days ago

$507

Roundtrip

found 2 days ago

Select United flight, departing Sat, Dec 20 from Greenville to Ontario, returning Tue, Jan 6, priced at $507 found 2 days ago