Cheap flights from Rialto starting at RM403

View RM403 flight on Sat, 28 Feb 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
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,125 Return, found 4 days ago
RM1,125
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,125 found 4 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,211 Return, found 4 days ago
RM1,211
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,211 found 4 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,228 Return, found 4 days ago
RM1,228
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,228 found 4 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,296 Return, found 4 days ago
RM1,296
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,296 found 4 days ago
United
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,350 Return, found 4 days ago
RM1,350
Return
found 4 days ago
Select United flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,350 found 4 days ago
United
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,352 Return, found 4 days ago
RM1,352
Return
found 4 days ago
Select United flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,352 found 4 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,354 Return, found 4 days ago
RM1,354
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,354 found 4 days ago
American Airlines
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,369 Return, found 4 days ago
RM1,369
Return
found 4 days ago
Select American Airlines flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,369 found 4 days ago
United
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,371 Return, found 4 days ago
RM1,371
Return
found 4 days ago
Select United flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,371 found 4 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,374 Return, found 4 days ago
RM1,374
Return
found 4 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,374 found 4 days ago

Flights from Rialto: Essential Travel Information

Cheapest flight from Rialto
RM1,125 (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
RM1,125 - RM1,374

 

Explore a world of travel with Expedia

*Available to Expedia members.