Cheap Frontier Airlines flights Ontario (ONT) to Pittsburgh (PIT)

Cheap Frontier Airlines flights Ontario (ONT) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 12 - Sun, Oct 19

ONT

Ontario

PIT

Pittsburgh

$344 Roundtrip, found 12 hours ago

$344

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Ontario to Pittsburgh, returning Sun, Oct 19, priced at $344 found 12 hours ago