Cheap flights from Phoenix to Ontario

View AU$71 flight on Wed, 31 Dec. 2025Opens in a new window

Popular airlines from Phoenix to Ontario

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Cheap Flights from Phoenix (PHX) to Ontario (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 12 Aug. - Wed, 27 Aug.
PHX
Phoenix
ONT
Ontario
AU$232 Return, found 5 days ago
AU$232
Return
found 5 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Phoenix to Ontario, returning Wed, 27 Aug., priced at AU$232 found 5 days ago
American Airlines
Sat, 2 Aug. - Tue, 5 Aug.
PHX
Phoenix
SNA
Orange County
AU$490 Return, found 8 hours ago
AU$490
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 2 Aug. from Phoenix to Orange County, returning Tue, 5 Aug., priced at AU$490 found 8 hours ago
American Airlines
Sat, 2 Aug. - Tue, 5 Aug.
PHX
Phoenix
SNA
Orange County
AU$583 Return, found 8 hours ago
AU$583
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 2 Aug. from Phoenix to Orange County, returning Tue, 5 Aug., priced at AU$583 found 8 hours ago
American Airlines
Sat, 2 Aug. - Tue, 5 Aug.
PHX
Phoenix
ONT
Ontario
AU$631 Return, found 8 hours ago
AU$631
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 2 Aug. from Phoenix to Ontario, returning Tue, 5 Aug., priced at AU$631 found 8 hours ago
American Airlines
Sat, 2 Aug. - Tue, 5 Aug.
PHX
Phoenix
ONT
Ontario
AU$705 Return, found 8 hours ago
AU$705
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 2 Aug. from Phoenix to Ontario, returning Tue, 5 Aug., priced at AU$705 found 8 hours ago
Alaska Airlines
Sat, 2 Aug. - Tue, 5 Aug.
PHX
Phoenix
SNA
Orange County
AU$754 Return, found 8 hours ago
AU$754
Return
found 8 hours ago
Select Alaska Airlines flight, departing Sat, 2 Aug. from Phoenix to Orange County, returning Tue, 5 Aug., priced at AU$754 found 8 hours ago

Find the cheapest month to fly from Phoenix (PHX) to Ontario (ONT)

October is typically the cheapest month to fly

From AU$74 - AU$270 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.