Cheap flights from Riverside

View AU$125 flight on Tue, 12 May 2026Opens in a new window

Popular airlines from Riverside

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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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.

Alaska Airlines
Tue, 28 Apr - Tue, 12 May
ONT
Ontario
PDX
Portland
AU$221 Return, found 2 days ago
AU$221
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 28 Apr from Ontario to Portland, returning Tue, 12 May, priced at AU$221 found 2 days ago
Hawaiian Airlines
Tue, 7 Apr - Tue, 21 Apr
ONT
Ontario
PDX
Portland
AU$221 Return, found 2 days ago
AU$221
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, 7 Apr from Ontario to Portland, returning Tue, 21 Apr, priced at AU$221 found 2 days ago
Delta
Tue, 28 Apr - Tue, 12 May
ONT
Ontario
PDX
Portland
AU$252 Return, found 3 hours ago
AU$252
Return
found 3 hours ago
Select Delta flight, departing Tue, 28 Apr from Ontario to Portland, returning Tue, 12 May, priced at AU$252 found 3 hours ago
American Airlines
Sat, 18 Apr - Sat, 25 Apr
SNA
Orange County
DEN
Denver
AU$306 Return, found 3 days ago
AU$306
Return
found 3 days ago
Select American Airlines flight, departing Sat, 18 Apr from Orange County to Denver, returning Sat, 25 Apr, priced at AU$306 found 3 days ago
Delta
Tue, 12 May - Tue, 26 May
ONT
Ontario
DEN
Denver
AU$312 Return, found 19 hours ago
AU$312
Return
found 19 hours ago
Select Delta flight, departing Tue, 12 May from Ontario to Denver, returning Tue, 26 May, priced at AU$312 found 19 hours ago
Delta
Mon, 17 Aug - Wed, 19 Aug
LGB
Long Beach
DEN
Denver
AU$348 Return, found 4 days ago
AU$348
Return
found 4 days ago
Select Delta flight, departing Mon, 17 Aug from Long Beach to Denver, returning Wed, 19 Aug, priced at AU$348 found 4 days ago
Delta
Thu, 14 May - Tue, 19 May
SNA
Orange County
PDX
Portland
AU$368 Return, found 6 days ago
AU$368
Return
found 6 days ago
Select Delta flight, departing Thu, 14 May from Orange County to Portland, returning Tue, 19 May, priced at AU$368 found 6 days ago
American Airlines
Tue, 17 Nov - Fri, 20 Nov
SNA
Orange County
AUS
Austin
AU$390 Return, found 6 days ago
AU$390
Return
found 6 days ago
Select American Airlines flight, departing Tue, 17 Nov from Orange County to Austin, returning Fri, 20 Nov, priced at AU$390 found 6 days ago
United
Thu, 14 May - Tue, 19 May
ONT
Ontario
PDX
Portland
AU$394 Return, found 6 days ago
AU$394
Return
found 6 days ago
Select United flight, departing Thu, 14 May from Ontario to Portland, returning Tue, 19 May, priced at AU$394 found 6 days ago
Delta
Thu, 9 July - Mon, 13 July
ONT
Ontario
AUS
Austin
AU$418 Return, found 2 days ago
AU$418
Return
found 2 days ago
Select Delta flight, departing Thu, 9 July from Ontario to Austin, returning Mon, 13 July, priced at AU$418 found 2 days ago

Travel information

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
AU$221 (roundtrip)
Best airlines to fly from Riverside
Alaska Airlines, Hawaiian Airlines, Delta, American Airlines, United
Cheapest month to fly from Riverside
April
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
AU$221 - AU$418

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