₩138,200 Cheap flights from Riverside, CA

View ₩138,200 flight on Tue, Dec 1, 2026Opens in a new window

Flight 1

Popular airlines from Riverside

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Riverside

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩310,300 Roundtrip, found 1 day ago
₩310,300
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩310,300 found 1 day ago
Delta
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩337,300 Roundtrip, found 1 day ago
₩337,300
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩337,300 found 1 day ago
United
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩346,600 Roundtrip, found 1 day ago
₩346,600
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩346,600 found 1 day ago
Delta
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩364,100 Roundtrip, found 1 day ago
₩364,100
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩364,100 found 1 day ago
United
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩381,600 Roundtrip, found 1 day ago
₩381,600
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩381,600 found 1 day ago
Delta
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩389,600 Roundtrip, found 1 day ago
₩389,600
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩389,600 found 1 day ago
American Airlines
Wed, Nov 25 - Sat, Dec 5
ONT
Ontario
AUS
Austin
₩389,700 Roundtrip, found 18 hours ago
₩389,700
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Nov 25 from Ontario to Austin, returning Sat, Dec 5, priced at ₩389,700 found 18 hours ago
United
Sat, Oct 31 - Mon, Nov 2
ONT
Ontario
PDX
Portland
₩393,700 Roundtrip, found 1 day ago
₩393,700
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 31 from Ontario to Portland, returning Mon, Nov 2, priced at ₩393,700 found 1 day ago
Delta
Mon, Feb 8 - Wed, Feb 10
ONT
Ontario
PDX
Portland
₩399,200 Roundtrip, found 2 days ago
₩399,200
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Feb 8 from Ontario to Portland, returning Wed, Feb 10, priced at ₩399,200 found 2 days ago
Southwest Airlines
Tue, Oct 13 - Thu, Oct 22
ONT
Ontario
DAL
Dallas
₩505,500 Roundtrip, found 6 days ago
₩505,500
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Oct 13 from Ontario to Dallas, returning Thu, Oct 22, priced at ₩505,500 found 6 days ago

Travel information

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
₩310,300 (roundtrip)
Best airlines to fly from Riverside
Delta, United, American Airlines, Southwest Airlines
Cheapest month to fly from Riverside
October
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
₩310,300 - ₩505,500

 

*Available to Expedia members.