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$432+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in September or August, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Sydney to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 30, 2025.

Round-trip from

$824
(Booking.com)

One-way from

$432
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,143
From Sydney Kingsford Smith to Portland
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One-way flight from Sydney Kingsford Smith to Portland
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Highest demand for flights based on searches. 13% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 30, 2025.

This BYOjet deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/39:20 amSYD - PDX
1 stop17h 10mMultiple Airlines
lun. 8/47:40 pmPDX - SYD
2 stops21h 40mMultiple Airlines
Deal found 7/29$815
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:20 amSYD - PDX
1 stop22h 26mAir Canada
vie. 9/197:40 pmPDX - SYD
2 stops33h 00mAir Canada
Deal found 7/29$824
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/199:30 amSYD - PDX
2 stops22h 35mUnited Airlines
sáb. 10/410:50 amPDX - SYD
2 stops27h 10mUnited Airlines
Deal found 7/30$834
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:25 amSYD - PDX
1 stop26h 32mDelta
vie. 9/196:20 amPDX - SYD
1 stop31h 15mDelta
Deal found 7/30$835
This Aunt Betty deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/29:40 pmSYD - PDX
1 stop17h 30mAlaska Airlines
dom. 8/35:35 pmPDX - SYD
1 stop33h 10mAlaska Airlines
Deal found 7/28$906
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/109:40 pmSYD - PDX
1 stop25h 15mHawaiian Airlines
vie. 8/157:30 amPDX - SYD
1 stop19h 15mHawaiian Airlines
Deal found 7/30$924
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/29:10 amSYD - PDX
2 stops24h 34mAmerican Airlines
dom. 8/31:43 pmPDX - SYD
2 stops24h 22mAmerican Airlines
Deal found 7/28$925
This KAYAK deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/107:10 amSYD - PDX
3 stops29h 02mAir Tahiti Nui
vie. 8/152:56 pmPDX - SYD
3 stops31h 14mAir Tahiti Nui
Deal found 7/30$1,701
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/108:30 pmSYD - PDX
2 stops33h 55mQantas Airways
vie. 8/155:40 pmPDX - SYD
3 stops28h 30mQantas Airways
Deal found 7/30$2,534

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 30, 2025.
Use the filters below to find and compare flights from Sydney to Portland that are best for you.

Fly from

Sydney

Fly to

Portland

Route

Depart

Return

Price

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

vie. 9/12

9:20 am-2:46 pm

1 stop22h 26m

Portland

vie. 9/19

7:40 pm-9:40 pm

2 stops33h 00m

$824

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

vie. 9/19

9:30 am-3:05 pm

2 stops22h 35m

Portland

sáb. 10/4

10:50 am-8:00 am

2 stops27h 10m

$834

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

vie. 9/12

9:25 am-6:57 pm

1 stop26h 32m

Portland

vie. 9/19

6:20 am-6:35 am

1 stop31h 15m

$835

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dom. 8/10

6:30 am-9:30 am

2 stops20h 00m

Portland

vie. 8/15

7:40 pm-10:20 am

2 stops21h 40m

$903

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dom. 8/10

9:40 pm-5:55 am

1 stop25h 15m

Portland

vie. 8/15

7:30 am-7:45 pm

1 stop19h 15m

$924

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dom. 8/10

9:10 am-2:21 pm

1 stop22h 11m

Portland

vie. 8/15

2:56 pm-7:05 am

1 stop23h 09m

$934

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dom. 8/10

7:10 am-7:12 pm

3 stops29h 02m

Portland

vie. 8/15

2:56 pm-3:10 pm

3 stops31h 14m

$1,701

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dom. 8/10

8:30 pm-1:25 pm

2 stops33h 55m

Portland

vie. 8/15

5:40 pm-3:10 pm

3 stops28h 30m

$2,534

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

vie. 9/5

4:20 pm-11:03 pm

2 stops23h 43m

$432

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

mié. 9/17

9:20 am-9:21 am

1 stop17h 01m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 17 results
1
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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?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Portland. Price data was last updated on July 25, 2025.

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 38 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 $368). 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.

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

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated julio 30, 2025.
Peruse reviews from past customers who have flown with Air Tahiti Nui, Asiana Airlines, and Alaska Airlines from Sydney to Portland 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.
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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
8.6
Very good
68 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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.
Asiana Airlines
8.2
Very good
467 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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.
Delta
8.0
Very good
7,980 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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.
Hawaiian Airlines
7.8
Good
2,611 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Crew

9.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Comfort

8.0

Overall

8.6

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.

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?

    Our cheapest airline available from Sydney to Portland is Air Canada. Our recent data shows that you can find tickets from as low as $824 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $834 and $838 round-trip. Air Canada is priced at 27% 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?

    $489 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 American Airlines and Delta, with prices starting from $492 and $499, 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 $368). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Woodburn
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook

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