$140 Cheap Frontier Airlines flights Indianapolis (IND) to Ontario (ONT)

$140 Cheap Frontier Airlines flights Indianapolis (IND) to Ontario (ONT)

Prices were available within the past 7 days and start at $140 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 25 - Thu, May 29

IND

Indianapolis

ONT

Ontario

$228 Roundtrip, found 19 hours ago

$228

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sun, May 25 from Indianapolis to Ontario, returning Thu, May 29, priced at $228 found 19 hours ago

Mon, Jun 9 - Wed, Jun 11

IND

Indianapolis

ONT

Ontario

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Indianapolis to Ontario, returning Wed, Jun 11, priced at $238 found 2 days ago

Sun, May 25 - Sun, Jun 1

IND

Indianapolis

ONT

Ontario

$248 Roundtrip, found 19 hours ago

$248

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sun, May 25 from Indianapolis to Ontario, returning Sun, Jun 1, priced at $248 found 19 hours ago

Thu, Jun 5 - Wed, Jun 11

IND

Indianapolis

ONT

Ontario

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Indianapolis to Ontario, returning Wed, Jun 11, priced at $258 found 2 days ago

Thu, Jun 5 - Mon, Jun 9

IND

Indianapolis

ONT

Ontario

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Indianapolis to Ontario, returning Mon, Jun 9, priced at $268 found 2 days ago

Sat, Jun 7 - Sat, Jun 14

IND

Indianapolis

ONT

Ontario

$281 Roundtrip, found 2 days ago

$281

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Indianapolis to Ontario, returning Sat, Jun 14, priced at $281 found 2 days ago

Mon, Jun 9 - Sat, Jun 14

IND

Indianapolis

ONT

Ontario

$291 Roundtrip, found 2 days ago

$291

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Indianapolis to Ontario, returning Sat, Jun 14, priced at $291 found 2 days ago

Thu, Jun 5 - Wed, Jun 11

IND

Indianapolis

ONT

Ontario

$293 Roundtrip, found 2 days ago

$293

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Indianapolis to Ontario, returning Wed, Jun 11, priced at $293 found 2 days ago

Sat, Jun 7 - Thu, Jun 12

IND

Indianapolis

ONT

Ontario

$301 Roundtrip, found 2 days ago

$301

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Indianapolis to Ontario, returning Thu, Jun 12, priced at $301 found 2 days ago

Thu, Jun 5 - Thu, Jun 12

IND

Indianapolis

ONT

Ontario

$331 Roundtrip, found 2 days ago

$331

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Indianapolis to Ontario, returning Thu, Jun 12, priced at $331 found 2 days ago