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

Cheapflights users have booked flights from Portland to Sydney round-trip from $1,391. Other airlines that can offer you cheap pricing are United Airlines, from $1,451, and Delta, from $1,519. You may be able to fly from Portland to Sydney for 22% less than the average price by searching for these airlines. Find deals

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

One-way options have recently been found by users for as low as $743 on United Airlines. Other airlines that offer cheap prices include Delta from $803 and Hawaiian Airlines from $1,089 one-way. Find deals

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

Travellers seeking maximum savings on their Portland to Sydney flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly return from Portland to Sydney?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 62% on your flight compared to booking on days when demand is much higher.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 44% on flights from Portland to Sydney compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,441. For sooner than that we have options available in the next 3 days from $1,773.

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

Flights from Portland to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Portland to Sydney in February, with the cheapest ticket starting at $1,343.

Can I find deals for flights from Portland to Sydney that include hotel bookings?

Yes. In addition to deals on Portland to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portland to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Sydney.

Can I find deals for business class flights from Portland to Sydney?

Yes. Cheapflights offers flight deals from Portland to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$635+ Flights from Portland to Sydney

The best prices from Portland to Sydney Kingsford Smith are usually found in February or May, booked 79 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Portland to Sydney

Round-trip from	$1,391
One-way from	$635
Popular in	December
Cheapest in	February
Average price	$2,569

Air Canada
9/2-5/3
2 total stops
40h 24m total
Portland to Sydney

Search Deals

1/4
2 total stops
48h 10m total
Portland to Sydney

Search Deals

High demand for flights, 14% potential price rise

Search Deals

Best time to find cheap flights, 4% potential price drop

Search Deals

Average for round-trip flights in December 2024

Search Deals

Find flight deals from Portland to Sydney

Cheapest flights from Portland to Sydney
Explore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 12月 2024.

週四 26/1223:55PDX - SYD

2 stops36h 05mUnited Airlines

週五 31/116:15SYD - PDX

2 stops25h 29mUnited Airlines

Deal found 18/12$1,457

週日 22/1207:15PDX - SYD

1 stop37h 20mMultiple Airlines

週二 24/1221:40SYD - PDX

2 stops33h 15mMultiple Airlines

Deal found 18/12$3,150

週五 20/1219:05PDX - SYD

1 stop40h 50mAir Canada

週二 28/111:20SYD - PDX

1 stop26h 04mAir Canada

Deal found 18/12$4,023

週五 20/1205:45PDX - SYD

1 stop32h 30mAir New Zealand

週二 28/113:55SYD - PDX

2 stops23h 29mAir New Zealand

Deal found 18/12$4,037

週五 20/1215:39PDX - SYD

2 stops35h 11mFiji Airways

週二 28/106:15SYD - PDX

3 stops34h 26mFiji Airways

Deal found 18/12$5,359

週日 22/1215:39PDX - SYD

1 stop20h 46mQantas Airways

週二 24/1217:05SYD - PDX

1 stop21h 55mQantas Airways

Deal found 18/12$6,733

週六 21/1200:41PDX - SYD

2 stops47h 09mQatar Airways

週二 24/1221:40SYD - PDX

2 stops43h 40mQatar Airways

Deal found 18/12$7,528

週一 23/1210:29PDX - SYD

3 stops51h 56mLATAM Airlines

週五 10/111:40SYD - PDX

3 stops45h 30mLATAM Airlines

Deal found 18/12$8,706

週三 18/1210:25PDX - SYD

3 stops37h 05mTurkish Airlines

週二 24/1220:40SYD - PDX

3 stops45h 46mTurkish Airlines

Deal found 17/12$14,770

Best flights from Portland to Sydney
Discover carefully curated flight deals from Portland to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 12月 2024.

週日 9/215:25PDX - SYD

1 stop23h 10mAir Canada

週三 5/311:20SYD - PDX

1 stop17h 14mAir Canada

Deal found 18/12$1,391

週日 9/219:05PDX - SYD

2 stops27h 35mMultiple Airlines

週三 5/311:20SYD - PDX

1 stop26h 04mMultiple Airlines

Deal found 18/12$1,430

週五 31/107:05PDX - SYD

1 stop28h 15mUnited Airlines

週五 14/216:15SYD - PDX

1 stop27h 20mUnited Airlines

Deal found 18/12$1,451

週五 21/213:00PDX - SYD

1 stop24h 35mDelta

週日 2/311:05SYD - PDX

2 stops26h 49mDelta

Deal found 17/12$1,519

週五 31/112:55PDX - SYD

2 stops22h 25mLufthansa

週五 7/216:15SYD - PDX

2 stops23h 45mLufthansa

Deal found 17/12$1,535

週日 8/610:50PDX - SYD

1 stop39h 55mHawaiian Airlines

週六 14/621:40SYD - PDX

1 stop17h 25mHawaiian Airlines

Deal found 17/12$1,837

週五 21/207:00PDX - SYD

1 stop17h 45mAlaska Airlines

週日 23/221:40SYD - PDX

1 stop18h 30mAlaska Airlines

Deal found 17/12$1,965

週二 18/219:42PDX - SYD

1 stop18h 33mAir New Zealand

週三 26/213:55SYD - PDX

2 stops23h 29mAir New Zealand

Deal found 17/12$2,362

週一 10/309:38PDX - SYD

3 stops56h 52mFiji Airways

週四 20/314:00SYD - PDX

2 stops26h 38mFiji Airways

Deal found 17/12$2,381

Last-minute flights from Portland to Sydney
Discover last-minute flight deals from Portland to Sydney. Data last updated 19 12月 2024 and is based on user searches.

週三 18/1210:25PDX - SYD

3 stops37h 05mTurkish Airlines

週二 24/1220:40SYD - PDX

3 stops45h 46mTurkish Airlines

Deal found 17/12$14,770

週五 20/1205:45PDX - SYD

1 stop32h 30mAir New Zealand

週二 28/113:55SYD - PDX

2 stops23h 29mAir New Zealand

Deal found 18/12$4,037

週六 21/1200:41PDX - SYD

2 stops47h 09mQatar Airways

週二 24/1221:40SYD - PDX

2 stops43h 40mQatar Airways

Deal found 18/12$7,528

週日 22/1215:39PDX - SYD

1 stop20h 46mQantas Airways

週二 24/1217:05SYD - PDX

1 stop21h 55mQantas Airways

Deal found 18/12$6,733

週一 23/1209:21PDX - SYD

3 stops65h 29mFiji Airways

週一 30/1206:00SYD - PDX

2 stops35h 44mFiji Airways

Deal found 17/12$4,736

週一 23/1210:29PDX - SYD

3 stops51h 56mLATAM Airlines

週五 10/111:40SYD - PDX

3 stops45h 30mLATAM Airlines

Deal found 17/12$8,565

週四 26/1223:55PDX - SYD

2 stops36h 05mUnited Airlines

週五 31/116:15SYD - PDX

2 stops25h 29mUnited Airlines

Deal found 18/12$1,457

週四 26/1219:05PDX - SYD

2 stops30h 45mMultiple Airlines

週五 31/118:30SYD - PDX

3 stops34h 04mMultiple Airlines

Deal found 18/12$3,542

週二 7/117:55PDX - SYD

3 stops28h 45mAir Tahiti Nui

週二 14/108:55SYD - PDX

3 stops30h 16mAir Tahiti Nui

Deal found 17/12$3,116

週二 7/117:26PDX - SYD

2 stops24h 04mFiji Airways

週二 14/106:15SYD - PDX

2 stops32h 56mFiji Airways

Deal found 19/12$3,273

週三 8/107:00PDX - SYD

1 stop17h 45mAlaska Airlines

週五 31/121:40SYD - PDX

1 stop19h 01mAlaska Airlines

Deal found 18/12$2,656

週三 8/109:45PDX - SYD

3 stops52h 40mLATAM Airlines

週五 31/112:35SYD - PDX

2 stops42h 32mLATAM Airlines

Deal found 18/12$6,682

One-way flights from Portland to Sydney
Search for one-way flight options from Portland to Sydney. Find affordable one-way fares based on user searches. Data last updated 19 12月 2024.

週二 1/421:30PDX - SYD

2 stops48h 10mMultiple Airlines

Deal found 17/12$635

週三 30/418:59PDX - SYD

2 stops43h 01mUnited Airlines

Deal found 17/12$743

週二 29/405:55PDX - SYD

2 stops31h 40mDelta

Deal found 17/12$803

週三 5/307:00PDX - SYD

1 stop17h 45mHawaiian Airlines

Deal found 17/12$1,089

週二 31/1205:45PDX - SYD

2 stops43h 30mANA

Deal found 17/12$1,130

週一 13/115:37PDX - SYD

2 stops33h 43mChina Southern

Deal found 17/12$1,783

週二 29/416:30PDX - SYD

3 stops32h 20mAir Tahiti Nui

Deal found 17/12$1,815

週二 14/106:00PDX - SYD

2 stops39h 40mAir Canada

Deal found 17/12$2,097

週二 31/1206:00PDX - SYD

1 stop32h 00mQantas Airways

Deal found 17/12$2,180

週三 1/115:25PDX - SYD

2 stops22h 20mAir New Zealand

Deal found 17/12$2,235

週五 10/106:00PDX - SYD

2 stops35h 00mCathay Pacific

Deal found 17/12$2,567

週六 11/113:32PDX - SYD

3 stops58h 28mTurkish Airlines

Deal found 17/12$2,605

Find flights from Portland to Sydney within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

週日 9/2

15:25-09:35

1 stop23h 10m

Sydney Kingsford Smith

週三 5/3

11:20-09:34

1 stop17h 14m

$1,391

PortlandSydney

PDX - SYD

PDXSYD

Portland

週日 9/2

19:05-17:40

2 stops27h 35m

Sydney Kingsford Smith

週三 5/3

11:20-18:24

1 stop26h 04m

$1,430

PortlandSydney

PDX - SYD

PDXSYD

Portland

週五 31/1

07:05-06:20

1 stop28h 15m

Sydney Kingsford Smith

週五 14/2

16:15-00:35

1 stop27h 20m

$1,451

PortlandSydney

PDX - SYD

PDXSYD

Portland

週五 21/2

13:00-08:35

1 stop24h 35m

Sydney Kingsford Smith

週日 2/3

11:05-18:54

2 stops26h 49m

$1,519

PortlandSydney

PDX - SYD

PDXSYD

Portland

週五 31/1

12:55-06:20

2 stops22h 25m

Sydney Kingsford Smith

週五 7/2

16:15-21:00

2 stops23h 45m

$1,535

PortlandSydney

PDX - SYD

PDXSYD

Portland

週日 8/6

10:50-19:45

1 stop39h 55m

Sydney Kingsford Smith

週六 14/6

21:40-22:05

1 stop17h 25m

$1,837

PortlandSydney

PDX - SYD

PDXSYD

Portland

週五 21/2

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

週日 23/2

21:40-21:10

1 stop18h 30m

$1,965

PortlandSydney

PDX - SYD

PDXSYD

Portland

週二 18/2

19:42-09:15

1 stop18h 33m

Sydney Kingsford Smith

週三 26/2

13:55-18:24

2 stops23h 29m

$2,362

PortlandSydney

PDX - SYD

PDXSYD

Portland

週一 10/3

09:38-12:30

3 stops56h 52m

Sydney Kingsford Smith

週四 20/3

14:00-22:38

2 stops26h 38m

$2,381

PortlandSydney

PDX - SYD

PDXSYD

Portland

週二 1/4

21:30-15:40

2 stops48h 10m

$635

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 23 results

Best time to book a flight from Portland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Sydney

Get recent, data-driven insights about flights from Portland to Sydney including ideal travel times, pricing trends, and more.

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

The best time to book flights from Portland to Sydney is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Sydney?

Currently, May is the cheapest month in which you can book a flight from Portland to Sydney (average of $129). Flying from Portland to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to SYD?

One of the essential ways to save on airfare from Portland to Sydney is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

To help decide which airline to fly from Portland to Sydney, see what other customers have to say about United Airlines and Fiji Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

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

8.6

Very Good

65 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

ANA

8.4

Very Good

839 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

Fiji Airways

8.1

Very Good

191 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

Delta

8.0

Very Good

8,604 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

Alaska Airlines

8.0

Very Good

9,551 reviews

Air Tahiti Nui

8.6

Very Good

65 reviews

Check prices

Reviews

1 / 2

Related info for your journey

What are the cheapest airlines flying from Portland to Sydney round-trip?
Cheapflights users have booked flights from Portland to Sydney round-trip from $1,391. Other airlines that can offer you cheap pricing are United Airlines, from $1,451, and Delta, from $1,519. You may be able to fly from Portland to Sydney for 22% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Portland to Sydney one-way?
One-way options have recently been found by users for as low as $743 on United Airlines. Other airlines that offer cheap prices include Delta from $803 and Hawaiian Airlines from $1,089 one-way.
Can I find deals for flights from Portland to Sydney that include hotel bookings?
Yes. In addition to deals on Portland to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portland to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Sydney.
Can I find deals for business class flights from Portland to Sydney?
Yes. Cheapflights offers flight deals from Portland to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Sydney?
Currently, May is the cheapest month in which you can book a flight from Portland to Sydney (average of $129). Flying from Portland to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Sydney

Boise to Sydney flights

Eugene to Sydney flights

Portland to Coolangatta flights

Other flights to Sydney

Top airline flying from Portland to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,285	Average$1,848	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portland to Sydney?

Deals for Portland to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portland to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to Sydney.

Can Cheapflights find flights from Portland to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portland to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portland to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Portland today and book when prices fit your budget.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portland to Sydney from $635

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Portland to Sydney Kingsford Smith are usually found in February or May, booked 79 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Portland to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Sydney

Cheapest flights from Portland to SydneyExplore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 12月 2024.

Explore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 12月 2024.

Find flights from Portland to Sydney within your budget

Best time to book a flight from Portland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portland with our price prediction graph.

Travel insights for flights from Portland to Sydney

Get recent, data-driven insights about flights from Portland to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Portland to Sydney. Price data was last updated on 13 December 2024.

What is the cheapest month to book a flight from Portland to Sydney?

What is the cheapest time of day to fly from PDX to SYD?

Find hourly flight availability from Portland to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 12月 2024.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 19 12月 2024.

To help decide which airline to fly from Portland to Sydney, see what other customers have to say about United Airlines and Fiji Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

Can I find deals for flights from Portland to Sydney that include hotel bookings?

How can I find direct flights from Portland to Sydney?

Can I find deals for business class flights from Portland to Sydney?

What is the cheapest month to book a flight from Portland to Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Portland to Sydney

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Portland to Sydney?

Can Cheapflights find flights from Portland to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Portland to Sydney become cheaper?

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Cheapest flights from Portland to Sydney
Explore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 12月 2024.