Cheap flights from Athens to Ontario

View AU$1,124 flight on Tue, 7 Oct. 2025Opens in a new window

Popular airlines from Athens to Ontario

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Cheap Flights from Athens (ATH) 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.

Delta
Fri, 5 Sep. - Sat, 20 Sep.
ATH
Athens
ONT
Ontario
AU$1,451 Return, found 3 days ago
AU$1,451
Return
found 3 days ago
Select Delta flight, departing Fri, 5 Sep. from Athens to Ontario, returning Sat, 20 Sep., priced at AU$1,451 found 3 days ago
American Airlines
Sat, 30 Aug. - Mon, 8 Sep.
ATH
Athens
ONT
Ontario
AU$1,907 Return, found 6 days ago
AU$1,907
Return
found 6 days ago
Select American Airlines flight, departing Sat, 30 Aug. from Athens to Ontario, returning Mon, 8 Sep., priced at AU$1,907 found 6 days ago
American Airlines
Sat, 30 Aug. - Sun, 7 Sep.
ATH
Athens
ONT
Ontario
AU$1,915 Return, found 6 days ago
AU$1,915
Return
found 6 days ago
Select American Airlines flight, departing Sat, 30 Aug. from Athens to Ontario, returning Sun, 7 Sep., priced at AU$1,915 found 6 days ago
American Airlines
Sat, 30 Aug. - Sun, 7 Sep.
ATH
Athens
ONT
Ontario
AU$1,974 Return, found 6 days ago
AU$1,974
Return
found 6 days ago
Select American Airlines flight, departing Sat, 30 Aug. from Athens to Ontario, returning Sun, 7 Sep., priced at AU$1,974 found 6 days ago
American Airlines
Thu, 21 Aug. - Mon, 25 Aug.
ATH
Athens
ONT
Ontario
AU$2,381 Return, found 17 hours ago
AU$2,381
Return
found 17 hours ago
Select American Airlines flight, departing Thu, 21 Aug. from Athens to Ontario, returning Mon, 25 Aug., priced at AU$2,381 found 17 hours ago
American Airlines
Thu, 21 Aug. - Mon, 25 Aug.
ATH
Athens
ONT
Ontario
AU$2,411 Return, found 17 hours ago
AU$2,411
Return
found 17 hours ago
Select American Airlines flight, departing Thu, 21 Aug. from Athens to Ontario, returning Mon, 25 Aug., priced at AU$2,411 found 17 hours ago
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