Cheap Flights to Riverside County from $28

How much is the cheapest flight to Riverside County?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Sat, May 2

DEN

Denver

ONT

Ontario

$56 Roundtrip, found 3 hours ago

$56

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Tue, Apr 28 from Denver to Ontario, returning Sat, May 2, priced at $56 found 3 hours ago

Sat, Apr 25 - Sat, May 2

DEN

Denver

SNA

Orange County

$56 Roundtrip, found 15 hours ago

$56

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sat, Apr 25 from Denver to Orange County, returning Sat, May 2, priced at $56 found 15 hours ago

Sat, May 9 - Mon, May 11

DEN

Denver

ONT

Ontario

$60 Roundtrip, found 7 hours ago

$60

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, May 9 from Denver to Ontario, returning Mon, May 11, priced at $60 found 7 hours ago

Sat, Apr 25 - Sat, May 2

DEN

Denver

ONT

Ontario

$61 Roundtrip, found 4 hours ago

$61

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Sat, Apr 25 from Denver to Ontario, returning Sat, May 2, priced at $61 found 4 hours ago

Sat, May 9 - Sat, May 16

DEN

Denver

SNA

Orange County

$66 Roundtrip, found 20 hours ago

$66

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, May 9 from Denver to Orange County, returning Sat, May 16, priced at $66 found 20 hours ago

Tue, Apr 21 - Thu, Apr 23

ORD

Chicago

SNA

Orange County

$129 Roundtrip, found 8 hours ago

$129

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Tue, Apr 21 from Chicago to Orange County, returning Thu, Apr 23, priced at $129 found 8 hours ago

Tue, Apr 14 - Sat, Apr 18

DEN

Denver

LGB

Long Beach

$143 Roundtrip, found 3 days ago

$143

Roundtrip

found 3 days ago

Select Southwest Airlines flight, departing Tue, Apr 14 from Denver to Long Beach, returning Sat, Apr 18, priced at $143 found 3 days ago

Wed, May 6 - Wed, May 13

DEN

Denver

ONT

Ontario

$145 Roundtrip, found 1 hour ago

$145

Roundtrip

found 1 hour ago

Select United flight, departing Wed, May 6 from Denver to Ontario, returning Wed, May 13, priced at $145 found 1 hour ago

Wed, Apr 1 - Sat, Apr 11

DEN

Denver

CLD

Carlsbad

$157 Roundtrip, found 14 hours ago

$157

Roundtrip

found 14 hours ago

Select United flight, departing Wed, Apr 1 from Denver to Carlsbad, returning Sat, Apr 11, priced at $157 found 14 hours ago

Sat, Apr 25 - Tue, Apr 28

ORD

Chicago

CLD

Carlsbad

$159 Roundtrip, found 3 hours ago

$159

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Sat, Apr 25 from Chicago to Carlsbad, returning Tue, Apr 28, priced at $159 found 3 hours ago