Cheap Frontier Airlines flights Indianapolis (IND) to Ontario Intl. Airport (ONT)

Cheap Frontier Airlines flights Indianapolis (IND) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 12 - Sat, Aug 15

IND

Indianapolis

ONT

Ontario

$294 Roundtrip, found 20 hours ago

$294

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Aug 12 from Indianapolis to Ontario, returning Sat, Aug 15, priced at $294 found 20 hours ago

Fri, Aug 14 - Sat, Aug 15

IND

Indianapolis

ONT

Ontario

$314 Roundtrip, found 20 hours ago

$314

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Aug 14 from Indianapolis to Ontario, returning Sat, Aug 15, priced at $314 found 20 hours ago

Wed, Jul 1 - Thu, Jul 2

IND

Indianapolis

ONT

Ontario

$339 Roundtrip, found 3 days ago

$339

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Indianapolis to Ontario, returning Thu, Jul 2, priced at $339 found 3 days ago

Mon, Jun 29 - Thu, Jul 2

IND

Indianapolis

ONT

Ontario

$389 Roundtrip, found 3 days ago

$389

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 29 from Indianapolis to Ontario, returning Thu, Jul 2, priced at $389 found 3 days ago