$180 Cheap Frontier Airlines flights Miami (MIA) to Ontario Intl. Airport (ONT)

$180 Cheap Frontier Airlines flights Miami (MIA) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $180 for one-way flights and $346 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 31 - Sat, Sep 12

MIA

Miami

ONT

Ontario

$346 Roundtrip, found 9 hours ago

$346

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Aug 31 from Miami to Ontario, returning Sat, Sep 12, priced at $346 found 9 hours ago

Mon, Aug 31 - Mon, Sep 14

MIA

Miami

ONT

Ontario

$365 Roundtrip, found 9 hours ago

$365

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Aug 31 from Miami to Ontario, returning Mon, Sep 14, priced at $365 found 9 hours ago

Sat, Jun 27 - Tue, Jun 30

MIA

Miami

ONT

Ontario

$435 Roundtrip, found 6 days ago

$435

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 27 from Miami to Ontario, returning Tue, Jun 30, priced at $435 found 6 days ago

Sat, Jun 27 - Wed, Jul 1

MIA

Miami

ONT

Ontario

$460 Roundtrip, found 6 days ago

$460

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 27 from Miami to Ontario, returning Wed, Jul 1, priced at $460 found 6 days ago