Cheap flights from Portland (PDX) to Sydney (SYD) from $716

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
PDX — SYD
Sep 26 — Oct 31

The best prices from Portland to Sydney Kingsford Smith are usually found in August or May, booked 60 days in advance, depart on a Tuesday or Monday and return on a Monday

How to find the cheapest flight from Portland (PDX) to Sydney (SYD)

All the information you need to plan the best PDX to SYD flight in 2023: compare Portland to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

Popular in

December

Cheapest in

August

Round-trip from

$1,356

One-way from

$1,033
High demand for flights, 34% potential price rise
Best time to find cheap flights, 31% potential price drop
From Portland to Sydney Kingsford Smith
One-way flight from Portland to Sydney Kingsford Smith

PDX - SYD

Price

$1,356 - $2,782

SYD

Temperature

51.8 - 71.6 °F

SYD

Rainfall

2 - 5.1 inches

What is the cheapest day to fly round-trip from Portland to Sydney?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 60% on the overall cost on flights from Portland to Sydney.

How far in advance should I book a flight from Portland to Sydney?

Travelers have found it’s best to book a flight 61 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portland to Sydney 1-2 weeks in advance for as low as $1,863, or $1,988 for flights within the next 24 hours.

What is the cheapest month to fly from Portland to Sydney?

August is one of the best times of the year to fly to Sydney from Portland. Prices for August average $1,308 per person but you can even find prices for as low as $819. The most expensive prices can be found in the month of December. Opting for a August flight can save you 51% on your journey compared to booking in December

When is the cheapest time to fly from Portland to Sydney (PDX - SYD)?

A simple way to save on the total cost of your ticket is to fly from Portland to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the evening.

Cheap Fiji Airways flights from Portland to Sydney

Check out some of the cheapest Fiji Airways flights we've come across from Portland to Sydney. It's recommended that users confirm their flight details before booking.

Cheap American Airlines flights from Portland to Sydney

Browse through some of the cheapest American Airlines flights traveling from Portland to Sydney. Deals frequently update to provide users with more options.

Cheap Portland to Sydney flights in September & October 2023

The best prices found for PDX to SYD flights for September, October
Listed are some of the best fares we've found on flights departing from Portland to Sydney in 2023. Check back in a little while for more flight options.

Portland to Sydney 2023 flight deals

Cheap flights to Sydney from Portland found for this year
Listed are some of the best fares we've found on flights departing from Portland to Sydney in 2023. Check back in a little while for more flight options.

One-way flights to Sydney from Portland

The cheapest one-way flights from Portland to Sydney
Some of the best available deals we've found on one-way flights from Portland to Sydney. Users needing a return flight from Portland to Sydney should utilize the search form above.

Find flights from Portland to Sydney within your budget

Use the slider to find flights from Portland to Sydney that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$924 - $1,655

Route

Depart

Return

Price

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Sun 2/4

1 stop20h 20m

Sydney Kingsford Smith

Sun 2/11

1 stop30h 26m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Sun 10/22

2 stops27h 50m

Sydney Kingsford Smith

Sun 11/5

1 stop30h 26m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Thu 2/1

1 stop40h 40m

Sydney Kingsford Smith

Fri 2/9

1 stop17h 40m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Tue 2/6

1 stop24h 44m

Sydney Kingsford Smith

Tue 2/20

1 stop29h 25m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Wed 2/7

1 stop20h 55m

Sydney Kingsford Smith

Sun 2/25

2 stops22h 24m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Thu 2/8

2 stops25h 55m

Sydney Kingsford Smith

Tue 2/20

1 stop18h 41m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Thu 10/19

2 stops25h 19m

Sydney Kingsford Smith

Thu 10/26

2 stops21h 05m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Sun 10/8

1 stop28h 00m

Sydney Kingsford Smith

Tue 10/17

2 stops26h 20m

PortlandSydney Kingsford Smith

PDX - SYD

PDXSYD

Portland

Sat 11/18

1 stop29h 35m

Sydney Kingsford Smith

Sun 11/26

1 stop20h 08m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Fiji Airways, American Airlines and Delta from Portland to Sydney to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
9.2
Wonderful
5 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air New Zealand
8.2
Very good
62 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Fiji Airways
8.1
Very good
38 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
7.9
Good
3,016 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Hawaiian Airlines
7.7
Good
782 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Entertainment

6.8

Food

8.0

Overall

9.2

Comfort

7.6

Crew

9.6

Boarding

8.8

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Useful info, stats and facts about Portland to Sydney flights.

Can I find flights from Portland to Sydney for under $1,000 on Cheapflights?

Yes, there are multiple flights from Portland to Sydney for under $1,000. The cheapest flight booked recently is on Air Canada for just $924, but on average you can expect to pay $1,051.

What are the cheapest airlines flying from Portland to Sydney round-trip?

Air Canada, at $924, was found to be the cheapest airline from Portland to Sydney.Alternate airlines to your destination round-trip include Hawaiian Airlines and United Airlines. Air Canada is 29% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Portland to Sydney one-way?

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $716. Users have also found prices from $1,065 and $1,113 on Qantas Airways and Air Canada, respectively.

What are the most popular airlines that fly from Portland to Sydney?

What does PDX to SYD mean?

PDX stands for Portland Airport, while SYD stands for Sydney Kingsford Smith Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Top 7 airlines flying from Portland to Sydney

The chart below displays the airlines Cheapflights users traveling from Portland to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$820Average$1,140FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest$958Average$1,619FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Hawaiian AirlinesCheapest$1,019Average$1,765FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,126Average$1,696FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,202Average$1,804FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,211Average$1,299FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,466Average$1,809FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
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