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

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

Prices were available within the past 7 days and start at for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 8 - Fri, Jun 12

ONT

Ontario

DTW

Detroit

$260 Roundtrip, found 5 days ago

$260

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 8 from Ontario to Detroit, returning Fri, Jun 12, priced at $260 found 5 days ago

Wed, Jun 10 - Fri, Jun 12

ONT

Ontario

DTW

Detroit

$280 Roundtrip, found 5 days ago

$280

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Ontario to Detroit, returning Fri, Jun 12, priced at $280 found 5 days ago