Cheap flights from Riverside

View AU$120 flight on Wed, 17 Dec 2025Opens in a new window

Popular airlines from Riverside

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Volaris

    Volaris

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Cheapest flights from Riverside

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

Frontier Airlines
Thu, 18 Dec - Wed, 31 Dec
ONT
Ontario
DEN
Denver
AU$178 Return, found 1 day ago
AU$178
Return
found 1 day ago
Select Frontier Airlines flight, departing Thu, 18 Dec from Ontario to Denver, returning Wed, 31 Dec, priced at AU$178 found 1 day ago
Frontier Airlines
Thu, 18 Dec - Tue, 30 Dec
ONT
Ontario
DEN
Denver
AU$195 Return, found 1 day ago
AU$195
Return
found 1 day ago
Select Frontier Airlines flight, departing Thu, 18 Dec from Ontario to Denver, returning Tue, 30 Dec, priced at AU$195 found 1 day ago
Delta
Mon, 15 Dec - Tue, 16 Dec
ONT
Ontario
PDX
Portland
AU$254 Return, found 17 hours ago
AU$254
Return
found 17 hours ago
Select Delta flight, departing Mon, 15 Dec from Ontario to Portland, returning Tue, 16 Dec, priced at AU$254 found 17 hours ago
Hawaiian Airlines
Tue, 16 Dec - Wed, 24 Dec
ONT
Ontario
PDX
Portland
AU$270 Return, found 17 hours ago
AU$270
Return
found 17 hours ago
Select Hawaiian Airlines flight, departing Tue, 16 Dec from Ontario to Portland, returning Wed, 24 Dec, priced at AU$270 found 17 hours ago
American Airlines
Sat, 6 Dec - Sat, 13 Dec
SNA
Orange County
DEN
Denver
AU$284 Return, found 19 hours ago
AU$284
Return
found 19 hours ago
Select American Airlines flight, departing Sat, 6 Dec from Orange County to Denver, returning Sat, 13 Dec, priced at AU$284 found 19 hours ago
Delta
Sat, 6 Dec - Sat, 13 Dec
SNA
Orange County
DEN
Denver
AU$299 Return, found 19 hours ago
AU$299
Return
found 19 hours ago
Select Delta flight, departing Sat, 6 Dec from Orange County to Denver, returning Sat, 13 Dec, priced at AU$299 found 19 hours ago
Hawaiian Airlines
Thu, 18 Dec - Sun, 21 Dec
ONT
Ontario
PDX
Portland
AU$300 Return, found 17 hours ago
AU$300
Return
found 17 hours ago
Select Hawaiian Airlines flight, departing Thu, 18 Dec from Ontario to Portland, returning Sun, 21 Dec, priced at AU$300 found 17 hours ago
United
Sat, 6 Dec - Sat, 13 Dec
SNA
Orange County
DEN
Denver
AU$307 Return, found 19 hours ago
AU$307
Return
found 19 hours ago
Select United flight, departing Sat, 6 Dec from Orange County to Denver, returning Sat, 13 Dec, priced at AU$307 found 19 hours ago
Alaska Airlines
Sat, 6 Dec - Sat, 13 Dec
SNA
Orange County
DEN
Denver
AU$322 Return, found 19 hours ago
AU$322
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 6 Dec from Orange County to Denver, returning Sat, 13 Dec, priced at AU$322 found 19 hours ago
Delta
Fri, 31 Oct - Tue, 11 Nov
ONT
Ontario
DFW
Dallas
AU$361 Return, found 11 hours ago
AU$361
Return
found 11 hours ago
Select Delta flight, departing Fri, 31 Oct from Ontario to Dallas, returning Tue, 11 Nov, priced at AU$361 found 11 hours ago

Travel information

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
AU$178 (roundtrip)
Best airlines to fly from Riverside
Delta, American Airlines, Alaska Airlines, Hawaiian Airlines, United, Frontier Airlines
Cheapest month to fly from Riverside
December
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
AU$178 - AU$361

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