$104 Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

$104 Cheap Frontier Airlines flights Ontario (ONT) to Washington (DCA)

Prices were available within the past 7 days and start at $104 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 20 - Thu, May 29

ONT

Ontario

DCA

Washington

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, May 20 from Ontario to Washington, returning Thu, May 29, priced at $218 found 2 days ago

Fri, May 2 - Mon, May 5

ONT

Ontario

DCA

Washington

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 2 from Ontario to Washington, returning Mon, May 5, priced at $228 found 1 day ago

Tue, May 20 - Sun, May 25

ONT

Ontario

DCA

Washington

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, May 20 from Ontario to Washington, returning Sun, May 25, priced at $238 found 2 days ago

Fri, May 2 - Sun, May 4

ONT

Ontario

DCA

Washington

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 2 from Ontario to Washington, returning Sun, May 4, priced at $248 found 1 day ago

Sat, May 24 - Sun, May 25

ONT

Ontario

DCA

Washington

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Ontario to Washington, returning Sun, May 25, priced at $258 found 2 days ago

Mon, May 26 - Thu, May 29

ONT

Ontario

DCA

Washington

$320 Roundtrip, found 2 days ago

$320

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 26 from Ontario to Washington, returning Thu, May 29, priced at $320 found 2 days ago

Fri, May 23 - Sun, May 25

ONT

Ontario

DCA

Washington

$340 Roundtrip, found 2 days ago

$340

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, May 23 from Ontario to Washington, returning Sun, May 25, priced at $340 found 2 days ago

Thu, May 22 - Mon, May 26

ONT

Ontario

DCA

Washington

$350 Roundtrip, found 2 days ago

$350

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, May 22 from Ontario to Washington, returning Mon, May 26, priced at $350 found 2 days ago

Sun, May 4 - Sun, May 4

ONT

Ontario

DCA

Washington

$380 Roundtrip, found 1 day ago

$380

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 4 from Ontario to Washington, returning Sun, May 4, priced at $380 found 1 day ago