Cheap Frontier Airlines flights Ontario (ONT) to Baltimore (BWI)

Cheap Frontier Airlines flights Ontario (ONT) to Baltimore (BWI)

Prices were available within the past 7 days and start at for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 15 - Sun, Feb 1

ONT

Ontario

BWI

Baltimore

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 15 from Ontario to Baltimore, returning Sun, Feb 1, priced at $144 found 1 day ago

Sun, Jan 11 - Sun, Jan 25

ONT

Ontario

BWI

Baltimore

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 11 from Ontario to Baltimore, returning Sun, Jan 25, priced at $148 found 1 day ago

Sun, Jan 18 - Sun, Feb 1

ONT

Ontario

BWI

Baltimore

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Ontario to Baltimore, returning Sun, Feb 1, priced at $152 found 1 day ago

Sun, Jan 11 - Thu, Jan 22

ONT

Ontario

BWI

Baltimore

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 11 from Ontario to Baltimore, returning Thu, Jan 22, priced at $190 found 1 day ago

Thu, Jan 22 - Thu, Feb 5

ONT

Ontario

BWI

Baltimore

$194 Roundtrip, found 1 day ago

$194

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Ontario to Baltimore, returning Thu, Feb 5, priced at $194 found 1 day ago

Tue, Dec 23 - Mon, Jan 12

ONT

Ontario

BWI

Baltimore

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Ontario to Baltimore, returning Mon, Jan 12, priced at $283 found 1 day ago

Fri, Dec 26 - Mon, Jan 12

ONT

Ontario

BWI

Baltimore

$348 Roundtrip, found 1 day ago

$348

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Dec 26 from Ontario to Baltimore, returning Mon, Jan 12, priced at $348 found 1 day ago

Fri, Jan 2 - Thu, Jan 15

ONT

Ontario

BWI

Baltimore

$439 Roundtrip, found 1 day ago

$439

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jan 2 from Ontario to Baltimore, returning Thu, Jan 15, priced at $439 found 1 day ago