Cheap Flights to Riverside County from $30

View $30 flight on Sun, Mar 15, 2026Opens in a new window

Popular airlines to Riverside County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • WestJet

  • Air Canada

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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 $55 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Feb 23 - Thu, Feb 26
SEA
Seattle
SNA
Orange County
$154 Roundtrip, found 2 hours ago
$154
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Feb 23 from Seattle to Orange County, returning Thu, Feb 26, priced at $154 found 2 hours ago
Southwest Airlines
Tue, Feb 24 - Sat, Mar 7
SEA
Seattle
LGB
Long Beach
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Feb 24 from Seattle to Long Beach, returning Sat, Mar 7, priced at $157 just found
Delta
Wed, Mar 11 - Tue, Mar 17
SEA
Seattle
LGB
Long Beach
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Mar 11 from Seattle to Long Beach, returning Tue, Mar 17, priced at $157 found 4 days ago
Frontier Airlines
Sat, Feb 28 - Wed, Mar 4
SEA
Seattle
ONT
Ontario
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 28 from Seattle to Ontario, returning Wed, Mar 4, priced at $158 just found
Frontier Airlines
Tue, Mar 24 - Wed, Mar 25
SEA
Seattle
SNA
Orange County
$160 Roundtrip, found 6 hours ago
$160
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from Seattle to Orange County, returning Wed, Mar 25, priced at $160 found 6 hours ago
Southwest Airlines
Sat, Apr 11 - Tue, Apr 14
SEA
Seattle
LGB
Long Beach
$162 Roundtrip, found 4 hours ago
$162
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sat, Apr 11 from Seattle to Long Beach, returning Tue, Apr 14, priced at $162 found 4 hours ago
Frontier Airlines
Sat, Feb 28 - Wed, Mar 4
SEA
Seattle
ONT
Ontario
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 28 from Seattle to Ontario, returning Wed, Mar 4, priced at $163 just found
Hawaiian Airlines
Sun, Mar 8 - Sat, Mar 14
PAE
Seattle
SNA
Orange County
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, Mar 8 from Seattle to Orange County, returning Sat, Mar 14, priced at $167 found 1 day ago
Frontier Airlines
Mon, Mar 2 - Fri, Mar 6
SEA
Seattle
ONT
Ontario
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Mar 2 from Seattle to Ontario, returning Fri, Mar 6, priced at $168 just found
United
Sun, Mar 1 - Thu, Mar 5
SEA
Seattle
ONT
Ontario
$172 Roundtrip, just found
$172
Roundtrip
just found
Select United flight, departing Sun, Mar 1 from Seattle to Ontario, returning Thu, Mar 5, priced at $172 just found

Airports in Riverside County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Flights from $417
SNA
John Wayne
Flights from $417
Select flight to Los Angeles - Ontario Intl. ONT. Flights from $407
ONT
Los Angeles - Ontario Intl.
Flights from $407
Select flight to Long Beach Municipal LGB. Cheapest option available. Flights from $324
LGB
Long Beach Municipal
Cheapest
Flights from $324
Select flight to Palm Springs Intl. PSP. Flights from $437
PSP
Palm Springs Intl.
Flights from $437
Select flight to McClellan-Palomar CLD. Flights from $331
CLD
McClellan-Palomar
Flights from $331

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

*Flight schedules are subject to change.

*Flight schedules are subject to change.

Trending flights to Riverside County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Thu, Feb 26 - Fri, Mar 6
SFO
San Francisco
SBD
San Bernardino
$55 Roundtrip, found 5 hours ago
$55
Roundtrip
found 5 hours ago
Select Breeze Airways flight, departing Thu, Feb 26 from San Francisco to San Bernardino, returning Fri, Mar 6, priced at $55 found 5 hours ago
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