Cheap flights from Rialto starting at RM455

View RM455 flight on Fri, 23 Jan 2026Opens in a new window

Popular airlines from Rialto

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Volaris

    Volaris

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Rialto

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
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM862 Return, found 5 days ago
RM862
Return
found 5 days ago
Select Delta flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM862 found 5 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM991 Return, found 5 days ago
RM991
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM991 found 5 days ago
American Airlines
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,009 Return, found 5 days ago
RM1,009
Return
found 5 days ago
Select American Airlines flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,009 found 5 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,010 Return, found 5 days ago
RM1,010
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,010 found 5 days ago
Delta
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,034 Return, found 5 days ago
RM1,034
Return
found 5 days ago
Select Delta flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,034 found 5 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,089 Return, found 5 days ago
RM1,089
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,089 found 5 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,090 Return, found 5 days ago
RM1,090
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,090 found 5 days ago
American Airlines
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,107 Return, found 5 days ago
RM1,107
Return
found 5 days ago
Select American Airlines flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,107 found 5 days ago
United
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,108 Return, found 5 days ago
RM1,108
Return
found 5 days ago
Select United flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,108 found 5 days ago
American Airlines
Fri, 23 Jan - Mon, 26 Jan
ONT
Ontario
PDX
Portland
RM1,109 Return, found 5 days ago
RM1,109
Return
found 5 days ago
Select American Airlines flight, departing Fri, 23 Jan from Ontario to Portland, returning Mon, 26 Jan, priced at RM1,109 found 5 days ago

Flights from Rialto: Essential Travel Information

Cheapest flight from Rialto
RM862 (roundtrip)
Best airlines to fly from Rialto
Delta, United, American Airlines
Cheapest month to fly from Rialto
January
Rialto IATA code
QLA
Rialto Country/State
San Bernardino
Airline ticket deals from Rialto
RM862 - RM1,109

 

*Available to Expedia members.