Cheap flights from Riverside

View NZ$250 flight on Fri, 7 Aug 2026Opens in a new window

Flight 1

Flight 2

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 35% 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, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 2 Sept - Tue, 8 Sept
LGB
Long Beach
DEN
Denver
NZ$356 Return, found 2 days ago
NZ$356
Return
found 2 days ago
Select Delta flight, departing Wed, 2 Sept from Long Beach to Denver, returning Tue, 8 Sept, priced at NZ$356 found 2 days ago
Delta
Wed, 2 Sept - Sun, 6 Sept
LGB
Long Beach
DEN
Denver
NZ$374 Return, found 2 days ago
NZ$374
Return
found 2 days ago
Select Delta flight, departing Wed, 2 Sept from Long Beach to Denver, returning Sun, 6 Sept, priced at NZ$374 found 2 days ago
Delta
Wed, 2 Sept - Sat, 12 Sept
LGB
Long Beach
DEN
Denver
NZ$382 Return, found 2 days ago
NZ$382
Return
found 2 days ago
Select Delta flight, departing Wed, 2 Sept from Long Beach to Denver, returning Sat, 12 Sept, priced at NZ$382 found 2 days ago
Delta
Sun, 6 Sept - Sat, 12 Sept
LGB
Long Beach
DEN
Denver
NZ$402 Return, found 2 days ago
NZ$402
Return
found 2 days ago
Select Delta flight, departing Sun, 6 Sept from Long Beach to Denver, returning Sat, 12 Sept, priced at NZ$402 found 2 days ago
Delta
Wed, 14 Oct - Fri, 16 Oct
ONT
Ontario
PDX
Portland
NZ$432 Return, found 23 hours ago
NZ$432
Return
found 23 hours ago
Select Delta flight, departing Wed, 14 Oct from Ontario to Portland, returning Fri, 16 Oct, priced at NZ$432 found 23 hours ago
Delta
Wed, 2 Sept - Wed, 9 Sept
LGB
Long Beach
DEN
Denver
NZ$445 Return, found 2 days ago
NZ$445
Return
found 2 days ago
Select Delta flight, departing Wed, 2 Sept from Long Beach to Denver, returning Wed, 9 Sept, priced at NZ$445 found 2 days ago
Delta
Sun, 6 Sept - Wed, 9 Sept
LGB
Long Beach
DEN
Denver
NZ$464 Return, found 2 days ago
NZ$464
Return
found 2 days ago
Select Delta flight, departing Sun, 6 Sept from Long Beach to Denver, returning Wed, 9 Sept, priced at NZ$464 found 2 days ago
American Airlines
Thu, 23 July - Mon, 27 July
SNA
Orange County
PDX
Portland
NZ$494 Return, found 2 days ago
NZ$494
Return
found 2 days ago
Select American Airlines flight, departing Thu, 23 July from Orange County to Portland, returning Mon, 27 July, priced at NZ$494 found 2 days ago
Alaska Airlines
Sun, 12 July - Sat, 18 July
ONT
Ontario
PDX
Portland
NZ$515 Return, found 3 days ago
NZ$515
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 12 July from Ontario to Portland, returning Sat, 18 July, priced at NZ$515 found 3 days ago
United
Sat, 11 July - Sat, 18 July
ONT
Ontario
PDX
Portland
NZ$566 Return, found 3 days ago
NZ$566
Return
found 3 days ago
Select United flight, departing Sat, 11 July from Ontario to Portland, returning Sat, 18 July, priced at NZ$566 found 3 days ago

Travel information

Flights from Riverside: Essential Travel Information

Cheapest flight from Riverside
NZ$356 (roundtrip)
Best airlines to fly from Riverside
Delta, United, Alaska Airlines, American Airlines
Cheapest month to fly from Riverside
September
Riverside IATA code
QLA
Riverside Country/State
California
Airline ticket deals from Riverside
NZ$356 - NZ$566

 

Explore a world of travel with Expedia

*Available to Expedia members.