Cheap flights from Adelanto

View NZ$138 flight on Thu, 5 Feb 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

  • British Airways

    British Airways

  • 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.

Hawaiian Airlines
Wed, 25 Feb - Sat, 7 Mar
ONT
Ontario
SEA
Seattle
NZ$205 Return, found 1 day ago
NZ$205
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, 25 Feb from Ontario to Seattle, returning Sat, 7 Mar, priced at NZ$205 found 1 day ago
Delta
Wed, 25 Feb - Thu, 5 Mar
ONT
Ontario
SEA
Seattle
NZ$207 Return, found 1 day ago
NZ$207
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Ontario to Seattle, returning Thu, 5 Mar, priced at NZ$207 found 1 day ago
Hawaiian Airlines
Wed, 1 Apr - Tue, 7 Apr
ONT
Ontario
PDX
Portland
NZ$235 Return, found 5 days ago
NZ$235
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, 1 Apr from Ontario to Portland, returning Tue, 7 Apr, priced at NZ$235 found 5 days ago
Alaska Airlines
Thu, 5 Feb - Sat, 21 Feb
ONT
Ontario
SEA
Seattle
NZ$239 Return, found 1 day ago
NZ$239
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 5 Feb from Ontario to Seattle, returning Sat, 21 Feb, priced at NZ$239 found 1 day ago
Delta
Mon, 2 Mar - Fri, 13 Mar
ONT
Ontario
SEA
Seattle
NZ$239 Return, found 4 days ago
NZ$239
Return
found 4 days ago
Select Delta flight, departing Mon, 2 Mar from Ontario to Seattle, returning Fri, 13 Mar, priced at NZ$239 found 4 days ago
Delta
Thu, 5 Feb - Sat, 21 Feb
ONT
Ontario
SEA
Seattle
NZ$241 Return, found 1 day ago
NZ$241
Return
found 1 day ago
Select Delta flight, departing Thu, 5 Feb from Ontario to Seattle, returning Sat, 21 Feb, priced at NZ$241 found 1 day ago
Hawaiian Airlines
Thu, 2 Apr - Tue, 7 Apr
ONT
Ontario
PDX
Portland
NZ$269 Return, found 5 days ago
NZ$269
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, 2 Apr from Ontario to Portland, returning Tue, 7 Apr, priced at NZ$269 found 5 days ago
Delta
Thu, 5 Feb - Sat, 21 Feb
ONT
Ontario
SEA
Seattle
NZ$275 Return, found 1 day ago
NZ$275
Return
found 1 day ago
Select Delta flight, departing Thu, 5 Feb from Ontario to Seattle, returning Sat, 21 Feb, priced at NZ$275 found 1 day ago
American Airlines
Thu, 5 Feb - Sat, 21 Feb
ONT
Ontario
SEA
Seattle
NZ$402 Return, found 1 day ago
NZ$402
Return
found 1 day ago
Select American Airlines flight, departing Thu, 5 Feb from Ontario to Seattle, returning Sat, 21 Feb, priced at NZ$402 found 1 day ago
United
Thu, 5 Feb - Sat, 21 Feb
ONT
Ontario
SEA
Seattle
NZ$429 Return, found 1 day ago
NZ$429
Return
found 1 day ago
Select United flight, departing Thu, 5 Feb from Ontario to Seattle, returning Sat, 21 Feb, priced at NZ$429 found 1 day ago

Flights from Adelanto: Essential Travel Information

Cheapest flight from Adelanto
NZ$205 (roundtrip)
Best airlines to fly from Adelanto
Alaska Airlines, Delta, American Airlines, United, Hawaiian Airlines
Cheapest month to fly from Adelanto
February
Adelanto IATA code
ONT
Adelanto Country/State
California
Airline ticket deals from Adelanto
NZ$205 - NZ$429

 

Explore a world of travel with Expedia

*Available to Expedia members.