Cheap Flights from Portland to Sydney
Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Portland
RatePunk searches hundreds of travel sites at once for deals on flights to Sydney
Prices updated today
485 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)
Today’s best flight deals from Portland to Sydney
Explore current cheapest deals departing from Portland to Sydney
2027-04-01 – 2027-04-08
PDX - Sydney
77% AI deal score
$1,045
$1,136
Round trip
2027-02-04 – 2027-02-08
PDX - Sydney
75% AI deal score
$998
$1,141
Round trip
2027-02-06 – 2027-02-15
PDX - Sydney
75% AI deal score
$984
$1,143
Round trip
2027-02-04 – 2027-02-15
PDX - Sydney
75% AI deal score
$968
$1,143
Round trip
2027-02-04 – 2027-03-01
PDX - Sydney
75% AI deal score
$973
$1,146
Round trip
2027-02-06 – 2027-03-01
PDX - Sydney
75% AI deal score
$985
$1,146
Round trip
2027-02-06 – 2027-02-18
PDX - Sydney
75% AI deal score
$982
$1,147
Round trip
2027-02-04 – 2027-02-18
PDX - Sydney
75% AI deal score
$975
$1,147
Round trip
2027-02-06 – 2027-02-19
PDX - Sydney
76% AI deal score
$986
$1,150
Round trip
2027-02-04 – 2027-02-19
PDX - Sydney
76% AI deal score
$969
$1,150
Round trip