Cheap Frontier Airlines flights Cleveland (CLE) to Ontario (ONT)

Cheap Frontier Airlines flights Cleveland (CLE) to Ontario (ONT)

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

Sat, Sep 13 - Wed, Sep 24

CLE

Cleveland

ONT

Ontario

$180 Roundtrip, found 1 day ago

$180

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Sep 13 from Cleveland to Ontario, returning Wed, Sep 24, priced at $180 found 1 day ago

Tue, Sep 16 - Wed, Sep 24

CLE

Cleveland

ONT

Ontario

$196 Roundtrip, found 1 day ago

$196

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Wed, Sep 24, priced at $196 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

CLE

Cleveland

ONT

Ontario

$212 Roundtrip, found 1 day ago

$212

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Tue, Sep 23, priced at $212 found 1 day ago

Tue, Sep 16 - Wed, Sep 24

CLE

Cleveland

ONT

Ontario

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Wed, Sep 24, priced at $221 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

CLE

Cleveland

ONT

Ontario

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Tue, Sep 23, priced at $237 found 1 day ago

Tue, Sep 9 - Tue, Sep 16

CLE

Cleveland

ONT

Ontario

$253 Roundtrip, found 4 days ago

$253

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Cleveland to Ontario, returning Tue, Sep 16, priced at $253 found 4 days ago

Tue, Sep 16 - Tue, Sep 23

CLE

Cleveland

ONT

Ontario

$262 Roundtrip, found 4 days ago

$262

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Tue, Sep 23, priced at $262 found 4 days ago

Tue, Sep 16 - Sat, Sep 27

CLE

Cleveland

ONT

Ontario

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Sat, Sep 27, priced at $269 found 1 day ago

Tue, Sep 16 - Sat, Sep 27

CLE

Cleveland

ONT

Ontario

$278 Roundtrip, found 1 day ago

$278

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Sat, Sep 27, priced at $278 found 1 day ago

Mon, Sep 8 - Tue, Sep 16

CLE

Cleveland

ONT

Ontario

$294 Roundtrip, found 4 days ago

$294

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Cleveland to Ontario, returning Tue, Sep 16, priced at $294 found 4 days ago

Tue, Sep 9 - Sun, Sep 14

CLE

Cleveland

ONT

Ontario

$310 Roundtrip, found 4 days ago

$310

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Cleveland to Ontario, returning Sun, Sep 14, priced at $310 found 4 days ago

Tue, Sep 16 - Fri, Sep 26

CLE

Cleveland

ONT

Ontario

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Cleveland to Ontario, returning Fri, Sep 26, priced at $319 found 1 day ago