$245 Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

$245 Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

Prices were available within the past 7 days and start at $245 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 7 - Wed, Jul 16

ONT

Ontario

DCA

Washington

$328 Roundtrip, found 20 hours ago

$328

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Mon, Jul 7 from Ontario to Washington, returning Wed, Jul 16, priced at $328 found 20 hours ago

Tue, Jul 8 - Wed, Jul 16

ONT

Ontario

DCA

Washington

$333 Roundtrip, found 20 hours ago

$333

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Ontario to Washington, returning Wed, Jul 16, priced at $333 found 20 hours ago

Thu, Jul 10 - Sat, Jul 19

ONT

Ontario

DCA

Washington

$336 Roundtrip, found 19 hours ago

$336

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Ontario to Washington, returning Sat, Jul 19, priced at $336 found 19 hours ago

Tue, Jul 8 - Sat, Jul 19

ONT

Ontario

DCA

Washington

$341 Roundtrip, found 19 hours ago

$341

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Ontario to Washington, returning Sat, Jul 19, priced at $341 found 19 hours ago

Tue, Jul 8 - Wed, Jul 23

ONT

Ontario

DCA

Washington

$346 Roundtrip, found 19 hours ago

$346

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Ontario to Washington, returning Wed, Jul 23, priced at $346 found 19 hours ago

Sat, Jul 12 - Thu, Jul 17

ONT

Ontario

DCA

Washington

$381 Roundtrip, found 19 hours ago

$381

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Ontario to Washington, returning Thu, Jul 17, priced at $381 found 19 hours ago

Tue, Jul 8 - Thu, Jul 17

ONT

Ontario

DCA

Washington

$386 Roundtrip, found 19 hours ago

$386

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Ontario to Washington, returning Thu, Jul 17, priced at $386 found 19 hours ago

Tue, Jul 8 - Fri, Jul 18

ONT

Ontario

DCA

Washington

$391 Roundtrip, found 19 hours ago

$391

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Ontario to Washington, returning Fri, Jul 18, priced at $391 found 19 hours ago