Cheap flights from Adelanto

View AU$139 flight on Tue, 16 June 2026Opens in a new window

Popular airlines from Adelanto

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • Air Canada

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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
Wed, 27 May - Tue, 9 June
ONT
Ontario
PDX
Portland
AU$280 Return, found 5 days ago
AU$280
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 27 May from Ontario to Portland, returning Tue, 9 June, priced at AU$280 found 5 days ago
Alaska Airlines
Thu, 7 May - Sat, 9 May
ONT
Ontario
PDX
Portland
AU$294 Return, found 2 days ago
AU$294
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Ontario to Portland, returning Sat, 9 May, priced at AU$294 found 2 days ago
United
Tue, 19 May - Wed, 20 May
ONT
Ontario
SFO
San Francisco
AU$295 Return, found 3 days ago
AU$295
Return
found 3 days ago
Select United flight, departing Tue, 19 May from Ontario to San Francisco, returning Wed, 20 May, priced at AU$295 found 3 days ago
Alaska Airlines
Sun, 10 May - Wed, 27 May
ONT
Ontario
PDX
Portland
AU$295 Return, found 5 days ago
AU$295
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 10 May from Ontario to Portland, returning Wed, 27 May, priced at AU$295 found 5 days ago
Alaska Airlines
Thu, 7 May - Sun, 10 May
ONT
Ontario
PDX
Portland
AU$308 Return, found 2 days ago
AU$308
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Ontario to Portland, returning Sun, 10 May, priced at AU$308 found 2 days ago
Delta
Mon, 11 May - Tue, 12 May
ONT
Ontario
PDX
Portland
AU$315 Return, found 2 days ago
AU$315
Return
found 2 days ago
Select Delta flight, departing Mon, 11 May from Ontario to Portland, returning Tue, 12 May, priced at AU$315 found 2 days ago
United
Mon, 11 May - Wed, 27 May
ONT
Ontario
SFO
San Francisco
AU$323 Return, found 4 days ago
AU$323
Return
found 4 days ago
Select United flight, departing Mon, 11 May from Ontario to San Francisco, returning Wed, 27 May, priced at AU$323 found 4 days ago
Delta
Mon, 11 May - Fri, 15 May
ONT
Ontario
PDX
Portland
AU$344 Return, found 2 days ago
AU$344
Return
found 2 days ago
Select Delta flight, departing Mon, 11 May from Ontario to Portland, returning Fri, 15 May, priced at AU$344 found 2 days ago
American Airlines
Mon, 25 May - Wed, 27 May
ONT
Ontario
LAS
Las Vegas
AU$385 Return, found 2 days ago
AU$385
Return
found 2 days ago
Select American Airlines flight, departing Mon, 25 May from Ontario to Las Vegas, returning Wed, 27 May, priced at AU$385 found 2 days ago
Aeromexico
Thu, 28 May - Wed, 3 June
ONT
Ontario
GDL
Guadalajara
AU$592 Return, found 17 hours ago
AU$592
Return
found 17 hours ago
Select Aeromexico flight, departing Thu, 28 May from Ontario to Guadalajara, returning Wed, 3 June, priced at AU$592 found 17 hours ago

Travel information

Flights from Adelanto: Essential Travel Information

Cheapest flight from Adelanto
AU$280 (roundtrip)
Best airlines to fly from Adelanto
Delta, United, American Airlines, Alaska Airlines, Aeromexico
Cheapest month to fly from Adelanto
May
Adelanto IATA code
ONT
Adelanto Country/State
California
Airline ticket deals from Adelanto
AU$280 - AU$592

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