Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

Prices were available within the past 7 days and start at for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 18 - Tue, Dec 23

ONT

Ontario

DCA

Washington

$302 Roundtrip, found 15 hours ago

$302

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Dec 18 from Ontario to Washington, returning Tue, Dec 23, priced at $302 found 15 hours ago

Fri, Dec 19 - Tue, Dec 23

ONT

Ontario

DCA

Washington

$322 Roundtrip, found 15 hours ago

$322

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Dec 19 from Ontario to Washington, returning Tue, Dec 23, priced at $322 found 15 hours ago