Cheap Flights to Riverside County from $30

How much is the cheapest flight to Riverside County?

Prices were available within the past 7 days and start at $30 for one-way flights and $76 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 18 - Thu, Apr 23

DEN

Denver

ONT

Ontario

$76 Roundtrip, found 23 hours ago

$76

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sat, Apr 18 from Denver to Ontario, returning Thu, Apr 23, priced at $76 found 23 hours ago

Tue, Apr 21 - Sat, Apr 25

DEN

Denver

ONT

Ontario

$80 Roundtrip, found 1 hour ago

$80

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Apr 21 from Denver to Ontario, returning Sat, Apr 25, priced at $80 found 1 hour ago

Sat, Apr 18 - Thu, Apr 23

DEN

Denver

ONT

Ontario

$81 Roundtrip, found 23 hours ago

$81

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sat, Apr 18 from Denver to Ontario, returning Thu, Apr 23, priced at $81 found 23 hours ago

Sat, May 9 - Thu, May 14

DEN

Denver

SNA

Orange County

$82 Roundtrip, just found

$82

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, May 9 from Denver to Orange County, returning Thu, May 14, priced at $82 just found

Tue, Apr 28 - Sat, May 2

DEN

Denver

ONT

Ontario

$84 Roundtrip, found 1 hour ago

$84

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Apr 28 from Denver to Ontario, returning Sat, May 2, priced at $84 found 1 hour ago

Wed, Apr 22 - Tue, Apr 28

DEN

Denver

ONT

Ontario

$85 Roundtrip, found 1 hour ago

$85

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Wed, Apr 22 from Denver to Ontario, returning Tue, Apr 28, priced at $85 found 1 hour ago

Wed, May 20 - Wed, May 27

DEN

Denver

LGB

Long Beach

$146 Roundtrip, found 4 days ago

$146

Roundtrip

found 4 days ago

Select Southwest Airlines flight, departing Wed, May 20 from Denver to Long Beach, returning Wed, May 27, priced at $146 found 4 days ago

Thu, Apr 23 - Tue, Apr 28

DEN

Denver

CLD

Carlsbad

$159 Roundtrip, just found

$159

Roundtrip

just found

Select American Airlines flight, departing Thu, Apr 23 from Denver to Carlsbad, returning Tue, Apr 28, priced at $159 just found

Tue, Apr 28 - Sat, May 2

EWR

New York

SNA

Orange County

$191 Roundtrip, found 2 hours ago

$191

Roundtrip

found 2 hours ago

Select Spirit Airlines flight, departing Tue, Apr 28 from New York to Orange County, returning Sat, May 2, priced at $191 found 2 hours ago

Mon, May 4 - Thu, May 7

DEN

Denver

ONT

Ontario

$199 Roundtrip, found 1 hour ago

$199

Roundtrip

found 1 hour ago

Select United flight, departing Mon, May 4 from Denver to Ontario, returning Thu, May 7, priced at $199 found 1 hour ago