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

Our cheapest airline available from Sydney to Portland is American Airlines. Our recent data shows that you can find tickets from as low as $938 on this airline. Additional options worth looking into are Qantas Airways and United Airlines, starting at $952 and $1,009 round-trip. American Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

$758 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $772 and $776, respectively.

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

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

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

Users have found that flying from Sydney to Portland on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Users have found that booking a flight from Sydney to Portland at least 56 days early can save you up to 160% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Sydney to Portland for as little as $1,010 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,506 for flights departing within the next 3 days.

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

Our data shows that March tends to be the cheapest month to fly to Portland from Sydney. Users have commonly found prices around $1,192 for the month, but tickets can be as low as $434. Due to multiple factors, prepare for potentially higher prices in December.

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

Most trusted provider : When it comes to deals on Sydney-Portland flights, Cheapflights users trust FlightHub the most. FlightHub 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 Sydney-Portland 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 Sydney to Portland that include hotel bookings?

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

How can I find direct flights from Sydney to Portland?

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

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

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

$596+ Flights from Sydney to Portland

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in March or September, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Sydney to Portland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$911 (Orbitz)
One-way from	$596 (Jettzy)
Popular in	December
Cheapest in	March
Average price	$1,035

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

Search Deals

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

Search Deals

From Sydney Kingsford Smith to Portland

Search Deals

One-way flight from Sydney Kingsford Smith to Portland

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($200 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Sydney to Portland

Cheapest flights from Sydney to Portland
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Thu 8/147:30 amSYD - PDX

2 stops19h 05mMultiple Airlines

Tue 8/267:40 pmPDX - SYD

2 stops28h 10mMultiple Airlines

Deal found 3/25

$911

Mon 5/1910:25 amSYD - PDX

2 stops30h 32mAmerican Airlines

Wed 5/286:00 amPDX - SYD

1 stop32h 05mAmerican Airlines

Deal found 3/24

$938

Mon 5/199:10 amSYD - PDX

1 stop31h 49mQantas Airways

Wed 5/286:00 amPDX - SYD

1 stop32h 05mQantas Airways

Deal found 3/24

$952

Thu 3/2712:10 pmSYD - PDX

1 stop39h 03mUnited Airlines

Wed 4/25:00 amPDX - SYD

2 stops33h 00mUnited Airlines

Deal found 3/24

$962

Thu 3/2710:05 amSYD - PDX

2 stops24h 16mDelta

Wed 4/211:30 amPDX - SYD

2 stops26h 05mDelta

Deal found 3/26

$973

Tue 4/19:40 pmSYD - PDX

1 stop25h 25mHawaiian Airlines

Fri 4/118:05 amPDX - SYD

1 stop18h 40mHawaiian Airlines

Deal found 3/26

$1,465

Thu 8/146:05 pmSYD - PDX

2 stops36h 45mSingapore Airlines

Tue 8/267:00 amPDX - SYD

3 stops40h 45mSingapore Airlines

Deal found 3/25

$1,862

Thu 8/147:10 amSYD - PDX

3 stops26h 16mAir Tahiti Nui

Tue 8/267:30 pmPDX - SYD

3 stops26h 40mAir Tahiti Nui

Deal found 3/25

$1,918

Thu 3/276:15 amSYD - PDX

3 stops57h 18mFiji Airways

Wed 4/23:50 pmPDX - SYD

2 stops26h 55mFiji Airways

Deal found 3/24

$3,050

Best flights from Sydney to Portland
Discover carefully curated flight deals from Sydney to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Thu 8/147:30 amSYD - PDX

2 stops19h 05mMultiple Airlines

Tue 8/267:40 pmPDX - SYD

2 stops28h 10mMultiple Airlines

Deal found 3/25

$911

Mon 5/1910:25 amSYD - PDX

2 stops30h 32mAmerican Airlines

Wed 5/286:00 amPDX - SYD

1 stop32h 05mAmerican Airlines

Deal found 3/24

$938

Mon 5/199:10 amSYD - PDX

1 stop31h 49mQantas Airways

Wed 5/286:00 amPDX - SYD

1 stop32h 05mQantas Airways

Deal found 3/24

$952

Sat 6/219:30 amSYD - PDX

2 stops30h 05mUnited Airlines

Sat 6/2811:59 pmPDX - SYD

2 stops38h 01mUnited Airlines

Deal found 3/25

$1,009

Thu 6/269:25 amSYD - PDX

1 stop26h 35mDelta

Sat 7/125:55 amPDX - SYD

2 stops31h 40mDelta

Deal found 3/25

$1,018

Thu 8/146:05 pmSYD - PDX

2 stops36h 45mSingapore Airlines

Tue 8/267:00 amPDX - SYD

3 stops40h 45mSingapore Airlines

Deal found 3/25

$1,862

Thu 8/147:10 amSYD - PDX

3 stops26h 16mAir Tahiti Nui

Tue 8/267:30 pmPDX - SYD

3 stops26h 40mAir Tahiti Nui

Deal found 3/25

$1,918

Last-minute flights from Sydney to Portland
Discover last-minute flight deals from Sydney to Portland. Data last updated March 26, 2025 and is based on user searches.

Thu 3/279:25 pmSYD - PDX

1 stop31h 23mMultiple Airlines

Wed 4/23:50 pmPDX - SYD

1 stop22h 15mMultiple Airlines

Deal found 3/26

$954

Thu 3/2712:10 pmSYD - PDX

1 stop39h 03mUnited Airlines

Wed 4/25:00 amPDX - SYD

2 stops33h 00mUnited Airlines

Deal found 3/24

$962

Thu 3/2710:05 amSYD - PDX

2 stops24h 16mDelta

Wed 4/211:30 amPDX - SYD

2 stops26h 05mDelta

Deal found 3/26

$973

Thu 3/276:15 amSYD - PDX

3 stops57h 18mFiji Airways

Wed 4/23:50 pmPDX - SYD

2 stops26h 55mFiji Airways

Deal found 3/24

$3,050

Tue 4/19:40 pmSYD - PDX

1 stop25h 25mMultiple Airlines

Fri 4/116:07 pmPDX - SYD

1 stop32h 38mMultiple Airlines

Deal found 3/24

$1,432

Tue 4/19:40 pmSYD - PDX

1 stop25h 25mHawaiian Airlines

Fri 4/118:05 amPDX - SYD

1 stop18h 40mHawaiian Airlines

Deal found 3/26

$1,465

Tue 4/110:30 amSYD - PDX

2 stops30h 06mUnited Airlines

Fri 4/118:45 amPDX - SYD

2 stops29h 15mUnited Airlines

Deal found 3/24

$1,553

Tue 4/17:10 amSYD - PDX

2 stops43h 22mAir Tahiti Nui

Fri 4/1112:03 pmPDX - SYD

3 stops39h 47mAir Tahiti Nui

Deal found 3/26

$2,380

Tue 4/16:10 pmSYD - PDX

2 stops22h 28mQantas Airways

Fri 4/116:05 pmPDX - SYD

3 stops28h 05mQantas Airways

Deal found 3/24

$2,606

One-way flights from Sydney to Portland
Search for one-way flight options from Sydney to Portland. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Thu 5/84:20 pmSYD - PDX

1 stop22h 30mMultiple Airlines

Deal found 3/25

$596

Wed 9/179:20 amSYD - PDX

1 stop30h 36mAir Canada

Deal found 3/24

$758

Wed 9/1710:20 amSYD - PDX

2 stops29h 10mUnited Airlines

Deal found 3/24

$772

Mon 9/19:25 amSYD - PDX

1 stop19h 17mDelta

Deal found 3/24

$776

Sun 6/19:40 pmSYD - PDX

1 stop25h 40mHawaiian Airlines

Deal found 3/25

$791

Fri 5/28:55 pmSYD - PDX

2 stops38h 50mANA

Deal found 3/24

$860

Thu 5/87:10 amSYD - PDX

3 stops42h 21mAir Tahiti Nui

Deal found 3/25

$990

Wed 4/210:10 amSYD - PDX

1 stop23h 05mAmerican Airlines

Deal found 3/25

$1,014

Mon 3/3110:10 amSYD - PDX

1 stop30h 28mQantas Airways

Deal found 3/25

$1,242

Tue 4/16:15 amSYD - PDX

3 stops40h 50mFiji Airways

Deal found 3/25

$1,372

Mon 5/1211:50 amSYD - PDX

3 stops42h 10mLATAM Airlines

Deal found 3/24

$1,847

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 8/14

7:30 am-9:35 am

2 stops19h 05m

Portland

Tue 8/26

7:40 pm-4:50 pm

2 stops28h 10m

$911

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 5/19

10:25 am-11:57 pm

2 stops30h 32m

Portland

Wed 5/28

6:00 am-7:05 am

1 stop32h 05m

$938

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 5/19

9:10 am-11:59 pm

1 stop31h 49m

Portland

Wed 5/28

6:00 am-7:05 am

1 stop32h 05m

$952

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 6/21

9:30 am-10:35 pm

2 stops30h 05m

Portland

Sat 6/28

11:59 pm-7:00 am

2 stops38h 01m

$1,009

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 6/26

9:25 am-7:00 pm

1 stop26h 35m

Portland

Sat 7/12

10:00 am-6:35 am

1 stop27h 35m

$1,018

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 8/14

6:05 pm-1:50 pm

2 stops36h 45m

Portland

Tue 8/26

7:00 am-4:45 pm

3 stops40h 45m

$1,862

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 8/14

7:10 am-4:26 pm

3 stops26h 16m

Portland

Tue 8/26

7:30 pm-3:10 pm

3 stops26h 40m

$1,918

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/8

4:20 pm-9:50 pm

1 stop22h 30m

$596

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 9/17

9:20 am-10:56 pm

1 stop30h 36m

$758

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 9/17

10:20 am-10:30 pm

2 stops29h 10m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 18 results

Compare providers for flights from Sydney to Portland

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Portland from Sydney 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 Sydney to Portland

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

The price you pay for your flight from Sydney to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $277). Flying from Sydney to Portland in March is currently the most expensive (average of $370). 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 SYD to PDX?

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Sydney to Portland by exploring options for tickets in the morning.

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

See what other customers who have flown with Air Tahiti Nui, ANA and Singapore Airlines from Sydney to Portland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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

8.7

Very good

61 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very good

826 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Singapore Airlines

8.1

Very good

1,284 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.0

Very good

182 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Delta

8.0

Very good

7,891 reviews

Air Tahiti Nui

8.7

Very good

61 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What are the cheapest airlines flying from Sydney to Portland round-trip?
Our cheapest airline available from Sydney to Portland is American Airlines. Our recent data shows that you can find tickets from as low as $938 on this airline. Additional options worth looking into are Qantas Airways and United Airlines, starting at $952 and $1,009 round-trip. American Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Sydney to Portland one-way?
$758 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $772 and $776, respectively.
Can I find deals for flights from Sydney to Portland that include hotel bookings?
Yes. In addition to deals on Sydney to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sydney to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portland.
Can I find deals for business class flights from Sydney to Portland?
Yes. Cheapflights offers flight deals from Sydney to Portland 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 Sydney to Portland?
Currently, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $277). Flying from Sydney to Portland in March is currently the most expensive (average of $370). 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

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Other flights to Portland

Top airline flying from Sydney to Portland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$647	Average$1,184	FlexibilityNo cancel fee	On-timeN/A

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$596+ Cheap flights from Sydney (SYD) to Portland (PDX)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sydney to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in March or September, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Sydney to Portland

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Portland

Cheapest flights from Sydney to PortlandExplore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Sydney to Portland

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 Sydney to Portland in March.

Best time to book a flight from Sydney to Portland

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Portland. Price data was last updated on March 21, 2025.

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

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

Find hourly flight availability from Sydney to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

Rainfall in Portland by month

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

Temperature in Portland by month

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

Reviews of airlines servicing Portland

See what other customers who have flown with Air Tahiti Nui, ANA and Singapore Airlines from Sydney to Portland have to say. Users can see the overall rating for each airline as well as how each is rated 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 Sydney to Portland. 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 Sydney to Portland round-trip?

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

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

How can I find direct flights from Sydney to Portland?

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

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

Traveling to a place near 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 Sydney to Portland

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

Top airline flying from Sydney to Portland

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Travel Smart

Cheapest flights from Sydney to Portland
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.