Cheap flights from Riverside

View AU$127 flight on Sat, 12 Sept 2026Opens in a new window

Popular airlines from Riverside

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

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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.

Delta
Thu, 8 Oct - Sat, 17 Oct
ONT
Ontario
PDX
Portland
AU$312 Return, found 3 days ago
AU$312
Return
found 3 days ago
Select Delta flight, departing Thu, 8 Oct from Ontario to Portland, returning Sat, 17 Oct, priced at AU$312 found 3 days ago
Delta
Tue, 22 Sept - Thu, 24 Sept
LGB
Long Beach
DFW
Dallas
AU$313 Return, found 5 days ago
AU$313
Return
found 5 days ago
Select Delta flight, departing Tue, 22 Sept from Long Beach to Dallas, returning Thu, 24 Sept, priced at AU$313 found 5 days ago
Delta
Thu, 8 Oct - Sat, 17 Oct
ONT
Ontario
PDX
Portland
AU$313 Return, found 3 days ago
AU$313
Return
found 3 days ago
Select Delta flight, departing Thu, 8 Oct from Ontario to Portland, returning Sat, 17 Oct, priced at AU$313 found 3 days ago
Delta
Thu, 8 Oct - Sat, 17 Oct
ONT
Ontario
PDX
Portland
AU$343 Return, found 3 days ago
AU$343
Return
found 3 days ago
Select Delta flight, departing Thu, 8 Oct from Ontario to Portland, returning Sat, 17 Oct, priced at AU$343 found 3 days ago
Delta
Thu, 8 Oct - Sat, 17 Oct
ONT
Ontario
PDX
Portland
AU$355 Return, found 3 days ago
AU$355
Return
found 3 days ago
Select Delta flight, departing Thu, 8 Oct from Ontario to Portland, returning Sat, 17 Oct, priced at AU$355 found 3 days ago
Delta
Sat, 5 Dec - Thu, 17 Dec
ONT
Ontario
PDX
Portland
AU$356 Return, found 17 hours ago
AU$356
Return
found 17 hours ago
Select Delta flight, departing Sat, 5 Dec from Ontario to Portland, returning Thu, 17 Dec, priced at AU$356 found 17 hours ago
Alaska Airlines
Thu, 8 Oct - Sat, 17 Oct
SNA
Orange County
PDX
Portland
AU$372 Return, found 3 days ago
AU$372
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 8 Oct from Orange County to Portland, returning Sat, 17 Oct, priced at AU$372 found 3 days ago
American Airlines
Tue, 22 Sept - Thu, 24 Sept
ONT
Ontario
DFW
Dallas
AU$408 Return, found 5 days ago
AU$408
Return
found 5 days ago
Select American Airlines flight, departing Tue, 22 Sept from Ontario to Dallas, returning Thu, 24 Sept, priced at AU$408 found 5 days ago
Frontier Airlines
Thu, 24 Sept - Sun, 4 Oct
ONT
Ontario
MCO
Orlando
AU$459 Return, found 5 days ago
AU$459
Return
found 5 days ago
Select Frontier Airlines flight, departing Thu, 24 Sept from Ontario to Orlando, returning Sun, 4 Oct, priced at AU$459 found 5 days ago
United
Thu, 31 Dec - Thu, 7 Jan
ONT
Ontario
PDX
Portland
AU$471 Return, found 17 hours ago
AU$471
Return
found 17 hours ago
Select United flight, departing Thu, 31 Dec from Ontario to Portland, returning Thu, 7 Jan, priced at AU$471 found 17 hours ago

Travel information

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
AU$312 (roundtrip)
Best airlines to fly from Riverside
Delta, Alaska Airlines, American Airlines, United, Frontier Airlines
Cheapest month to fly from Riverside
October
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
AU$312 - AU$471

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