Cheap flights from Adelanto

View AU$76 flight on Wed, 10 Dec. 2025Opens in a new window

Popular airlines from Adelanto

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • British Airways

    British Airways

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    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.

American Airlines
Sat, 13 Sep. - Tue, 30 Sep.
ONT
Ontario
PHX
Phoenix
AU$240 Return, found 5 days ago
AU$240
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Ontario to Phoenix, returning Tue, 30 Sep., priced at AU$240 found 5 days ago
Hawaiian Airlines
Tue, 19 Aug. - Tue, 26 Aug.
ONT
Ontario
SEA
Seattle
AU$240 Return, found 5 days ago
AU$240
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, 19 Aug. from Ontario to Seattle, returning Tue, 26 Aug., priced at AU$240 found 5 days ago
United
Sat, 25 Oct. - Sat, 1 Nov.
ONT
Ontario
SFO
San Francisco
AU$241 Return, found 5 days ago
AU$241
Return
found 5 days ago
Select United flight, departing Sat, 25 Oct. from Ontario to San Francisco, returning Sat, 1 Nov., priced at AU$241 found 5 days ago
Hawaiian Airlines
Sat, 13 Sep. - Sat, 20 Sep.
ONT
Ontario
PDX
Portland
AU$241 Return, found 4 days ago
AU$241
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, 13 Sep. from Ontario to Portland, returning Sat, 20 Sep., priced at AU$241 found 4 days ago
American Airlines
Tue, 21 Oct. - Tue, 4 Nov.
ONT
Ontario
PHX
Phoenix
AU$242 Return, found 4 days ago
AU$242
Return
found 4 days ago
Select American Airlines flight, departing Tue, 21 Oct. from Ontario to Phoenix, returning Tue, 4 Nov., priced at AU$242 found 4 days ago
American Airlines
Thu, 30 Oct. - Wed, 12 Nov.
ONT
Ontario
PHX
Phoenix
AU$245 Return, found 1 day ago
AU$245
Return
found 1 day ago
Select American Airlines flight, departing Thu, 30 Oct. from Ontario to Phoenix, returning Wed, 12 Nov., priced at AU$245 found 1 day ago
Hawaiian Airlines
Fri, 19 Sep. - Sat, 20 Sep.
ONT
Ontario
PDX
Portland
AU$257 Return, found 4 days ago
AU$257
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, 19 Sep. from Ontario to Portland, returning Sat, 20 Sep., priced at AU$257 found 4 days ago
Hawaiian Airlines
Thu, 21 Aug. - Tue, 26 Aug.
ONT
Ontario
SEA
Seattle
AU$270 Return, found 5 days ago
AU$270
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, 21 Aug. from Ontario to Seattle, returning Tue, 26 Aug., priced at AU$270 found 5 days ago
Alaska Airlines
Tue, 26 Aug. - Tue, 9 Sep.
ONT
Ontario
SEA
Seattle
AU$275 Return, found 2 days ago
AU$275
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 26 Aug. from Ontario to Seattle, returning Tue, 9 Sep., priced at AU$275 found 2 days ago
Delta
Tue, 26 Aug. - Sat, 13 Sep.
ONT
Ontario
SEA
Seattle
AU$276 Return, found 1 day ago
AU$276
Return
found 1 day ago
Select Delta flight, departing Tue, 26 Aug. from Ontario to Seattle, returning Sat, 13 Sep., priced at AU$276 found 1 day ago

Flights from Adelanto: Essential Travel Information

Cheapest flight from Adelanto
AU$240 (roundtrip)
Best airlines to fly from Adelanto
American Airlines, United, Delta, Alaska Airlines, Hawaiian Airlines
Cheapest month to fly from Adelanto
September
Adelanto IATA code
ONT
Adelanto Country/State
California
Airline ticket deals from Adelanto
AU$240 - AU$276
*Available to Expedia members.