$203 Cheap Frontier Airlines flights Ontario (ONT) to Detroit (DTW)

$203 Cheap Frontier Airlines flights Ontario (ONT) to Detroit (DTW)

Prices were available within the past 7 days and start at $203 for one-way flights and $370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 20 - Mon, Aug 4

ONT

Ontario

DTW

Detroit

$370 Roundtrip, found 16 hours ago

$370

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Ontario to Detroit, returning Mon, Aug 4, priced at $370 found 16 hours ago