$353 Cheap Delta flights Greenville (GSP) to Ontario Intl. Airport (ONT)

View $353 flight on Fri, Jun 19, 2026Opens in a new window

$353 Cheap Delta flights Greenville (GSP) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $353 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jun 19 - Mon, Jun 22
GSP
Greenville
ONT
Ontario
$646 Roundtrip, found 2 hours ago
$646
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Jun 19 from Greenville to Ontario, returning Mon, Jun 22, priced at $646 found 2 hours ago

Travel information

Origin airport
Greenville-Spartanburg Intl.
Destination airport
Ontario Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
American Airlines
Distance
3207 km

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