Cheap flights from Riverside starting at RM370

View RM370 flight on Wed, 10 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.

Delta
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM768 Return, found 3 days ago
RM768
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM768 found 3 days ago
Delta
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM862 Return, found 1 day ago
RM862
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM862 found 1 day ago
American Airlines
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM893 Return, found 3 days ago
RM893
Return
found 3 days ago
Select American Airlines flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM893 found 3 days ago
Delta
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM927 Return, found 3 days ago
RM927
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM927 found 3 days ago
Delta
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM956 Return, found 3 days ago
RM956
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM956 found 3 days ago
Delta
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM973 Return, found 3 days ago
RM973
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM973 found 3 days ago
Delta
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM981 Return, found 3 days ago
RM981
Return
found 3 days ago
Select Delta flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM981 found 3 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM991 Return, found 1 day ago
RM991
Return
found 1 day ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM991 found 1 day ago
American Airlines
Wed, 10 Dec - Thu, 11 Dec
ONT
Ontario
PDX
Portland
RM998 Return, found 3 days ago
RM998
Return
found 3 days ago
Select American Airlines flight, departing Wed, 10 Dec from Ontario to Portland, returning Thu, 11 Dec, priced at RM998 found 3 days ago
American Airlines
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,009 Return, found 1 day ago
RM1,009
Return
found 1 day ago
Select American Airlines flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,009 found 1 day ago

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
RM768 (roundtrip)
Best airlines to fly from Riverside
Delta, American Airlines, United
Cheapest month to fly from Riverside
December
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
RM768 - RM1,009

 

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