Cheap flights from Adelanto

View AU$129 flight on Thu, 23 Apr 2026Opens in a new window

Popular airlines from Adelanto

  • 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 35% 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 Adelanto

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.

Alaska Airlines
Thu, 16 Apr - Mon, 4 May
ONT
Ontario
PDX
Portland
AU$235 Return, found 2 days ago
AU$235
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 16 Apr from Ontario to Portland, returning Mon, 4 May, priced at AU$235 found 2 days ago
Hawaiian Airlines
Mon, 16 Mar - Mon, 30 Mar
ONT
Ontario
PDX
Portland
AU$235 Return, found 1 day ago
AU$235
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, 16 Mar from Ontario to Portland, returning Mon, 30 Mar, priced at AU$235 found 1 day ago
Hawaiian Airlines
Tue, 31 Mar - Sun, 19 Apr
ONT
Ontario
PDX
Portland
AU$265 Return, found 1 day ago
AU$265
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, 31 Mar from Ontario to Portland, returning Sun, 19 Apr, priced at AU$265 found 1 day ago
Hawaiian Airlines
Mon, 16 Feb - Sun, 1 Mar
ONT
Ontario
PDX
Portland
AU$280 Return, found 1 day ago
AU$280
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, 16 Feb from Ontario to Portland, returning Sun, 1 Mar, priced at AU$280 found 1 day ago
Delta
Wed, 18 Feb - Sat, 7 Mar
ONT
Ontario
DEN
Denver
AU$295 Return, found 5 days ago
AU$295
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Feb from Ontario to Denver, returning Sat, 7 Mar, priced at AU$295 found 5 days ago
Alaska Airlines
Thu, 7 May - Sun, 24 May
ONT
Ontario
PDX
Portland
AU$295 Return, found 2 days ago
AU$295
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Ontario to Portland, returning Sun, 24 May, priced at AU$295 found 2 days ago
Delta
Thu, 19 Feb - Sat, 7 Mar
ONT
Ontario
DEN
Denver
AU$308 Return, found 5 days ago
AU$308
Return
found 5 days ago
Select Delta flight, departing Thu, 19 Feb from Ontario to Denver, returning Sat, 7 Mar, priced at AU$308 found 5 days ago
Delta
Fri, 20 Feb - Sat, 7 Mar
ONT
Ontario
DEN
Denver
AU$310 Return, found 5 days ago
AU$310
Return
found 5 days ago
Select Delta flight, departing Fri, 20 Feb from Ontario to Denver, returning Sat, 7 Mar, priced at AU$310 found 5 days ago
American Airlines
Mon, 16 Feb - Tue, 17 Feb
ONT
Ontario
LAS
Las Vegas
AU$362 Return, found 4 days ago
AU$362
Return
found 4 days ago
Select American Airlines flight, departing Mon, 16 Feb from Ontario to Las Vegas, returning Tue, 17 Feb, priced at AU$362 found 4 days ago
United
Tue, 3 Mar - Thu, 12 Mar
ONT
Ontario
DEN
Denver
AU$368 Return, found 3 days ago
AU$368
Return
found 3 days ago
Select United flight, departing Tue, 3 Mar from Ontario to Denver, returning Thu, 12 Mar, priced at AU$368 found 3 days ago

Flights from Adelanto: Essential Travel Information

Cheapest flight from Adelanto
AU$235 (roundtrip)
Best airlines to fly from Adelanto
American Airlines, Hawaiian Airlines, Alaska Airlines, Delta, United
Cheapest month to fly from Adelanto
April
Adelanto IATA code
ONT
Adelanto Country/State
California
Airline ticket deals from Adelanto
AU$235 - AU$368

Explore a world of travel with Expedia

*Available to Expedia members.