Which airport typically offers the quickest layover for flights from Portland to Sydney?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 2h 47m.

What’s the fastest layover option from Portland to Sydney?

Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 18h 29m.

What’s the cheapest layover airport for flights from Portland to Sydney?

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $1,055.

What’s the top layover airport for flights from Portland to Sydney?

Los Angeles (LAX) – chosen by Cheapflights users on 33% of 1-stop itineraries from Portland to Sydney on Cheapflights.

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

Delta, at $497, was found to be the cheapest airline from Portland to Sydney.Alternate airlines to your destination round-trip include Hawaiian Airlines and Air Canada. Delta is 57% 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 Qantas Airways. According to our data, you can fly for as low as $428. Users have also found prices from $431 and $457 on United Airlines and Air Canada, respectively.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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

Before booking your flight from Portland to Sydney check out the most popular airlines for this route: Air Canada, United Airlines or Alaska Airlines.

Where are the most common layover locations when flying from Portland to Sydney?

The most popular layover on flights from Portland to Sydney is San Francisco.

Where are the least popular layover locations for Portland to Sydney flights?

Portland to Sydney flights that have layovers will least frequently stop in Los Angeles.

What are some popular things to do or see while on a layover in San Francisco?

If you're on a layover in San Francisco and looking for things to do, consider visiting Fisherman's Wharf, Union Square, or Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers can rent a car at San Francisco for an average daily rate of $50 to make sightseeing during their layover a little easier.

Most accurate provider : When it comes to deals on Portland-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 vacation 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.

$516+ Flights from Portland to Sydney

Q: How much does it cost to fly round-trip from Portland to Sydney?

Airfare is typical for this route at the moment. Portland to Sydney flights typically cost between $968 and $1,405 in January. The cheapest round-trip price found within the last 3 days was $1,216 on Air Canada (Jan 31-Feb 14).

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Cheap 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 December 28, 2025.

Mon 12/294:26 pmPDX - SYD

1 stop21h 34mQantas Airways

Tue 1/135:45 pmSYD - PDX

1 stop21h 49mQantas Airways

Deal found 12/26

$1,237

Mon 12/294:26 pmPDX - SYD

2 stops21h 54mQantas Airways

Wed 12/3111:20 amSYD - PDX

1 stop24h 51mQantas Airways

Deal found 12/25

$1,252

Mon 12/294:26 pmPDX - SYD

1 stop21h 34mMultiple Airlines

Tue 1/135:45 pmSYD - PDX

1 stop21h 49mMultiple Airlines

Deal found 12/28

$1,255

Sat 12/275:30 amPDX - SYD

2 stops30h 20mDelta

Wed 3/410:40 amSYD - PDX

2 stops23h 31mDelta

Deal found 12/26

$1,276

Mon 12/2910:03 amPDX - SYD

2 stops27h 27mDelta

Tue 1/132:15 pmSYD - PDX

2 stops20h 53mDelta

Deal found 12/28

$1,277

Wed 12/316:20 amPDX - SYD

1 stop31h 40mQantas Airways

Wed 1/78:10 pmSYD - PDX

2 stops40h 42mQantas Airways

Deal found 12/26

$1,301

Wed 12/311:30 pmPDX - SYD

1 stop24h 00mDelta

Wed 1/710:40 amSYD - PDX

1 stop24h 45mDelta

Deal found 12/26

$1,413

Wed 12/317:30 amPDX - SYD

3 stops30h 35mUnited Airlines

Wed 1/711:20 amSYD - PDX

2 stops30h 33mUnited Airlines

Deal found 12/26

$1,418

Wed 12/313:54 pmPDX - SYD

1 stop19h 26mUnited Airlines

Tue 1/612:10 pmSYD - PDX

1 stop19h 32mUnited Airlines

Deal found 12/27

$1,456

Wed 12/3111:59 amPDX - SYD

1 stop25h 31mDelta

Tue 1/610:40 amSYD - PDX

1 stop21h 55mDelta

Deal found 12/27

$1,562

Best flights from Portland to Sydney
Discover carefully curated flight deals from Portland to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sun 1/45:40 pmPDX - SYD

1 stop31h 05mMultiple Airlines

Sat 1/249:40 pmSYD - PDX

2 stops31h 06mMultiple Airlines

Deal found 12/26

$1,233

Sun 3/85:42 pmPDX - SYD

2 stops25h 18mQantas Airways

Thu 3/127:00 amSYD - PDX

2 stops24h 25mQantas Airways

Deal found 12/27

$1,246

Sat 1/249:50 amPDX - SYD

2 stops32h 50mAir Canada

Sat 1/318:30 amSYD - PDX

2 stops19h 45mAir Canada

Deal found 12/25

$1,252

Thu 1/297:00 amPDX - SYD

1 stop17h 45mMultiple Airlines

Sun 2/159:40 pmSYD - PDX

1 stop26h 47mMultiple Airlines

Deal found 12/25

$1,237

Thu 1/227:00 amPDX - SYD

1 stop17h 45mMultiple Airlines

Fri 2/69:40 pmSYD - PDX

1 stop26h 51mMultiple Airlines

Deal found 12/26

$1,237

Fri 1/307:00 amPDX - SYD

1 stop17h 45mMultiple Airlines

Sat 2/149:40 pmSYD - PDX

1 stop18h 10mMultiple Airlines

Deal found 12/27

$1,237

Thu 1/85:40 pmPDX - SYD

1 stop31h 05mMultiple Airlines

Thu 1/229:40 pmSYD - PDX

2 stops20h 06mMultiple Airlines

Deal found 12/26

$1,243

Mon 1/127:00 amPDX - SYD

1 stop17h 45mMultiple Airlines

Wed 1/219:40 pmSYD - PDX

1 stop37h 39mMultiple Airlines

Deal found 12/25

$1,254

Last-minute flights from Portland to Sydney
Discover last-minute flight deals from Portland to Sydney. Data last updated December 28, 2025 and is based on user searches.

Mon 12/294:26 pmPDX - SYD

1 stop19h 59mQantas Airways

Tue 1/135:45 pmSYD - PDX

1 stop21h 49mQantas Airways

Deal found 12/27

$1,239

Mon 12/294:26 pmPDX - SYD

2 stops21h 54mQantas Airways

Wed 12/3111:20 amSYD - PDX

1 stop24h 51mQantas Airways

Deal found 12/25

$1,252

Sun 1/44:26 pmPDX - SYD

2 stops34h 59mMultiple Airlines

Sat 1/2410:00 pmSYD - PDX

2 stops34h 41mMultiple Airlines

Deal found 12/27

$1,229

Thu 1/85:40 pmPDX - SYD

1 stop31h 05mMultiple Airlines

Thu 1/229:40 pmSYD - PDX

2 stops20h 06mMultiple Airlines

Deal found 12/26

$1,243

Thu 1/227:00 amPDX - SYD

1 stop17h 45mMultiple Airlines

Fri 2/69:40 pmSYD - PDX

1 stop26h 51mMultiple Airlines

Deal found 12/26

$1,237

Fri 1/237:24 amPDX - SYD

2 stops53h 36mQantas Airways

Fri 1/306:20 amSYD - PDX

2 stops31h 31mQantas Airways

Deal found 12/25

$1,235

Sat 1/249:38 amPDX - SYD

1 stop39h 07mMultiple Airlines

Sat 1/319:40 pmSYD - PDX

1 stop26h 51mMultiple Airlines

Deal found 12/25

$1,219

Fri 1/307:00 pmPDX - SYD

1 stop19h 35mAir Canada

Sat 2/1411:20 amSYD - PDX

1 stop22h 20mAir Canada

Deal found 12/26

$1,217

Sat 1/317:00 pmPDX - SYD

1 stop19h 35mAir Canada

Sat 2/1411:20 amSYD - PDX

1 stop22h 20mAir Canada

Deal found 12/25

$1,216

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 December 28, 2025.

Wed 3/43:15 pmPDX - SYD

1 stop23h 20mAir Canada

Deal found 12/27

$516

Mon 2/27:05 pmPDX - SYD

1 stop19h 30mAir Canada

Deal found 12/26

$517

Mon 2/27:05 pmPDX - SYD

2 stops27h 35mMultiple Airlines

Deal found 12/26

$532

Tue 1/132:30 pmPDX - SYD

1 stop20h 40mMultiple Airlines

Deal found 12/26

$564

Thu 1/17:00 amPDX - SYD

1 stop29h 00mUnited Airlines

Deal found 12/26

$583

Mon 1/127:00 pmPDX - SYD

2 stops27h 40mMultiple Airlines

Deal found 12/26

$587

Mon 1/57:00 amPDX - SYD

1 stop17h 45mAlaska Airlines

Deal found 12/26

$697

Mon 1/55:10 amPDX - SYD

2 stops19h 35mMultiple Airlines

Deal found 12/26

$895

Find flight deals from Portland to Sydney

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,216 (Air Canada)
One-way from	$516 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$1,781

Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.

Search Deals

From Portland to Sydney Kingsford Smith

Search Deals

One-way flight from Portland to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($186 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 1/4

5:40 pm-7:45 pm

1 stop31h 05m

Sydney Kingsford Smith

Sat 1/24

9:40 pm-9:46 am

2 stops31h 06m

$1,233

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 1/29

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sun 2/15

9:40 pm-5:27 am

1 stop26h 47m

$1,237

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 1/22

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Fri 2/6

9:40 pm-5:31 am

1 stop26h 51m

$1,237

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 1/30

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sat 2/14

9:40 pm-8:50 pm

1 stop18h 10m

$1,237

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 1/8

5:40 pm-7:45 pm

1 stop31h 05m

Sydney Kingsford Smith

Thu 1/22

9:40 pm-10:46 pm

2 stops20h 06m

$1,243

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 3/8

5:42 pm-1:00 pm

2 stops25h 18m

Sydney Kingsford Smith

Thu 3/12

7:00 am-1:25 pm

2 stops24h 25m

$1,246

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 1/24

9:50 am-1:40 pm

2 stops32h 50m

Sydney Kingsford Smith

Sat 1/31

8:30 am-9:15 am

2 stops19h 45m

$1,252

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 1/12

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Wed 1/21

9:40 pm-4:19 pm

1 stop37h 39m

$1,254

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/2

7:05 pm-9:35 am

1 stop19h 30m

$517

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/2

7:05 pm-5:40 pm

2 stops27h 35m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 14 results

Compare providers for flights from Portland to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Sydney in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars
BudgetAir	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Sydney

Prices

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

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Sydney (average of $504). Flying from Portland to Sydney in December is currently the most expensive (average of $1,094). 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?

A simple way to save on the total cost of your ticket is to fly from Portland to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Portland to Sydney?

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Alaska Airlines

8.0

Very good

11,554 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Delta

7.9

Good

8,016 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

United Airlines

7.4

Good

9,114 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Air Canada

7.1

Good

10,562 reviews

Alaska Airlines

8.0

Very good

11,554 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

What are the cheapest airlines flying from Portland to Sydney round-trip?
Delta, at $497, was found to be the cheapest airline from Portland to Sydney.Alternate airlines to your destination round-trip include Hawaiian Airlines and Air Canada. Delta is 57% 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 Qantas Airways. According to our data, you can fly for as low as $428. Users have also found prices from $431 and $457 on United Airlines and Air Canada, respectively.
Where are the most common layover locations when flying from Portland to Sydney?
The most popular layover on flights from Portland to Sydney is San Francisco.
What are some popular things to do or see while on a layover in San Francisco?
If you're on a layover in San Francisco and looking for things to do, consider visiting Fisherman's Wharf, Union Square, or Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers can rent a car at San Francisco for an average daily rate of $50 to make sightseeing during their layover a little easier.
Where are the least popular layover locations for Portland to Sydney flights?
Portland to Sydney flights that have layovers will least frequently stop in Los Angeles.
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 vacation 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, February is the cheapest month in which you can book a flight from Portland to Sydney (average of $504). Flying from Portland to Sydney in December is currently the most expensive (average of $1,094). 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.

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Other flights to Sydney

Top 7 airlines flying from Portland to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$502	Average$1,070	FlexibilityNo cancel fee	On-timeN/A
Hawaiian Airlines	Cheapest$550	Average$1,169	FlexibilityNo cancel fee	On-time85%
Air Canada	Cheapest$840	Average$1,131	FlexibilityNo cancel fee	On-time67%
Qantas Airways	Cheapest$898	Average$1,314	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$912	Average$1,075	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$952	Average$974	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$999	Average$1,188	FlexibilityNo cancel fee	On-time75%

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$516+ Cheap flights from Portland (PDX) to Sydney (SYD)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Portland to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Sydney that are best for you.

Compare providers for flights from Portland to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Sydney in December.

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Sydney

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

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?

How much does it cost to fly round-trip from Portland to Sydney?

What’s the top layover airport for flights from Portland to Sydney?

What’s the cheapest layover airport for flights from Portland to Sydney?

What’s the fastest layover option from Portland to Sydney?

Which airport typically offers the quickest layover for flights from Portland to Sydney?

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Sydney to help guide your decision. You can also see how each airline stacks up 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?

Where are the most common layover locations when flying from Portland to Sydney?

What are some popular things to do or see while on a layover in San Francisco?

Where are the least popular layover locations for Portland to Sydney flights?

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?

Traveling to a place near Sydney?

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Alternative routes for Portland to Sydney

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Top 7 airlines flying from Portland to Sydney

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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 December 28, 2025.