$96 Cheap Frontier Airlines flights Miami (MIA) to Ontario (ONT)

$96 Cheap Frontier Airlines flights Miami (MIA) to Ontario (ONT)

Prices were available within the past 7 days and start at $96 for one-way flights and $194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 19 - Tue, Feb 3

MIA

Miami

ONT

Ontario

$194 Roundtrip, found 5 days ago

$194

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Miami to Ontario, returning Tue, Feb 3, priced at $194 found 5 days ago

Sun, Jan 18 - Sat, Jan 31

MIA

Miami

ONT

Ontario

$210 Roundtrip, found 1 day ago

$210

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Miami to Ontario, returning Sat, Jan 31, priced at $210 found 1 day ago

Mon, Jan 19 - Wed, Feb 4

MIA

Miami

ONT

Ontario

$211 Roundtrip, found 5 days ago

$211

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Miami to Ontario, returning Wed, Feb 4, priced at $211 found 5 days ago

Mon, Feb 9 - Sun, Feb 22

MIA

Miami

ONT

Ontario

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Miami to Ontario, returning Sun, Feb 22, priced at $227 found 1 day ago

Mon, Jan 19 - Thu, Feb 5

MIA

Miami

ONT

Ontario

$232 Roundtrip, found 5 days ago

$232

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Miami to Ontario, returning Thu, Feb 5, priced at $232 found 5 days ago

Thu, Dec 25 - Mon, Jan 5

MIA

Miami

ONT

Ontario

$243 Roundtrip, found 5 days ago

$243

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Miami to Ontario, returning Mon, Jan 5, priced at $243 found 5 days ago

Mon, Jan 19 - Sat, Jan 31

MIA

Miami

ONT

Ontario

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Miami to Ontario, returning Sat, Jan 31, priced at $244 found 1 day ago

Mon, Jan 19 - Fri, Feb 6

MIA

Miami

ONT

Ontario

$246 Roundtrip, found 5 days ago

$246

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Miami to Ontario, returning Fri, Feb 6, priced at $246 found 5 days ago