$1,204+ Cheap flights from Portland, ME (PWM) to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Australia with Cheapflights
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
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Australia
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Cheapest flights from Portland to AustraliaExplore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 11/203:23 pm -
2 stops49h 07m
Fri 11/275:05 am -
3 stops33h 16m
Deal found 10/23![United Airlines logo]()
$1,344
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:50 am -
2 stops35h 45m
Thu 11/1211:20 am -
2 stops28h 01m
Deal found 10/25![Air Canada logo]()
$1,469
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 12/89:12 am -
2 stops31h 18m
Tue 12/1511:20 am -
2 stops27h 04m
Deal found 10/23![United Airlines logo]()
$1,553
This Qantas Airways deal was found by Cheapflights users on 10/22. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:55 am -
2 stops28h 00m
Sun 12/137:40 pm -
3 stops30h 50m
Deal found 10/22![Multiple Airlines logo]()
$1,563
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/69:51 am -
2 stops28h 29m
Sun 12/1311:20 am -
2 stops50h 09m
Deal found 10/22![United Airlines logo]()
$1,655
This Turkish Airlines deal was found by Cheapflights users on 10/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops44h 55m
Thu 11/129:35 pm -
3 stops42h 08m
Deal found 10/21![Turkish Airlines logo]()
$1,659
This Gurufare deal was found by Cheapflights users on 10/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:50 am -
2 stops35h 45m
Sun 11/2211:20 am -
2 stops28h 01m
Deal found 10/25![Air New Zealand logo]()
$1,677
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/218:49 am -
2 stops30h 11m
Sat 11/289:10 am -
2 stops30h 11m
Deal found 10/24![United Airlines logo]()
$1,733
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
2 stops34h 30m
Sat 11/2811:20 am -
2 stops27h 01m
Deal found 10/24![United Airlines logo]()
$1,921
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:26 am -
3 stops37h 19m
Sat 11/289:40 am -
2 stops27h 47m
Deal found 10/24![Qantas Airways logo]()
$2,654
This BusinessClass deal was found by Cheapflights users on 10/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:01 pm -
3 stops55h 59m
Sat 11/2811:10 pm -
3 stops36h 42m
Deal found 10/24![Multiple Airlines logo]()
$2,839
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:32 pm -
2 stops37h 13m
Sat 11/2810:45 pm -
2 stops32h 15m
Deal found 10/24![Qatar Airways logo]()
$2,855
Best flights from Portland to AustraliaDiscover carefully curated flight deals from Portland to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Portland to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 2/109:40 am -
2 stops31h 40m
Tue 3/29:15 am -
2 stops25h 59m
Deal found 10/24![United Airlines logo]()
$1,204
This Expedia deal was found by Cheapflights users on 10/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/186:00 am -
3 stops35h 35m
Mon 3/2210:20 am -
2 stops28h 28m
Deal found 10/23![Air Canada logo]()
$1,384
This Turkish Airlines deal was found by Cheapflights users on 10/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops44h 55m
Thu 11/129:35 pm -
3 stops42h 08m
Deal found 10/22![Turkish Airlines logo]()
$1,659
This Gurufare deal was found by Cheapflights users on 10/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:50 am -
2 stops35h 45m
Sun 11/2211:20 am -
2 stops28h 01m
Deal found 10/25![Air New Zealand logo]()
$1,677
This Delta deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
2 stops34h 30m
Sat 11/2810:40 am -
2 stops29h 39m
Deal found 10/24![Delta logo]()
$2,477
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:26 am -
3 stops37h 19m
Sat 11/289:40 am -
2 stops27h 47m
Deal found 10/24![Qantas Airways logo]()
$2,654
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 11/203:23 pm -
2 stops49h 07m
Fri 11/275:05 am -
3 stops33h 16m
Deal found 10/23![United Airlines logo]()
$1,344
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:32 pm -
2 stops37h 13m
Sat 11/2810:45 pm -
2 stops32h 15m
Deal found 10/24![Qatar Airways logo]()
$2,855
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:50 am -
2 stops35h 45m
Thu 11/1211:20 am -
3 stops28h 01m
Deal found 10/25![Air Canada logo]()
$1,477
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 12/89:12 am -
2 stops31h 18m
Tue 12/1511:20 am -
2 stops27h 04m
Deal found 10/23![United Airlines logo]()
$1,553
This Qantas Airways deal was found by Cheapflights users on 10/23. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:35 pm -
3 stops32h 05m
Fri 11/276:45 am -
3 stops31h 07m
Deal found 10/23![Multiple Airlines logo]()
$3,502
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/69:51 am -
2 stops28h 29m
Sun 12/1311:20 am -
2 stops50h 09m
Deal found 10/22![United Airlines logo]()
$1,655
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
3 stops59h 35m
Sat 11/2811:20 am -
3 stops61h 40m
Deal found 10/22![Air Canada logo]()
$2,126
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/2110:50 am -
2 stops30h 15m
Sat 11/289:10 am -
2 stops30h 11m
Deal found 10/22![United Airlines logo]()
$1,832
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
2 stops34h 30m
Sat 11/2811:20 am -
2 stops27h 01m
Deal found 10/24![United Airlines logo]()
$1,921
This Qatar Airways deal was found by Cheapflights users on 10/24. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:32 pm -
2 stops37h 13m
Sat 11/288:20 am -
3 stops46h 40m
Deal found 10/24![Multiple Airlines logo]()
$3,543
This Qantas Airways deal was found by Cheapflights users on 10/24. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
3 stops32h 50m
Sat 11/286:45 am -
3 stops30h 42m
Deal found 10/24![Multiple Airlines logo]()
$4,584
Last-minute flights from Portland to AustraliaDiscover last-minute flight deals from Portland to Australia. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Australia. Data last updated October 26, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:50 am -
2 stops35h 45m
Thu 11/1211:20 am -
2 stops28h 01m
Deal found 10/25![Air Canada logo]()
$1,469
This Turkish Airlines deal was found by Cheapflights users on 10/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops44h 55m
Thu 11/129:35 pm -
3 stops42h 08m
Deal found 10/21![Turkish Airlines logo]()
$1,659
This Gurufare deal was found by Cheapflights users on 10/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:50 am -
2 stops35h 45m
Sun 11/2211:20 am -
2 stops28h 01m
Deal found 10/25![Air New Zealand logo]()
$1,677
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 11/203:23 pm -
2 stops49h 07m
Fri 11/275:05 am -
3 stops33h 16m
Deal found 10/23![United Airlines logo]()
$1,344
This Qantas Airways deal was found by Cheapflights users on 10/23. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:35 pm -
3 stops32h 05m
Fri 11/276:45 am -
3 stops31h 07m
Deal found 10/23![Multiple Airlines logo]()
$3,502
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/218:49 am -
2 stops30h 11m
Sat 11/289:10 am -
2 stops30h 11m
Deal found 10/24![United Airlines logo]()
$1,733
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:00 am -
2 stops34h 30m
Sat 11/2811:20 am -
2 stops27h 01m
Deal found 10/24![United Airlines logo]()
$1,921
This Expedia deal was found by Cheapflights users on 10/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
3 stops59h 35m
Sat 11/2811:20 am -
3 stops61h 40m
Deal found 10/22![Air Canada logo]()
$2,126
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:26 am -
3 stops37h 19m
Sat 11/289:40 am -
2 stops27h 47m
Deal found 10/24![Qantas Airways logo]()
$2,654
This BusinessClass deal was found by Cheapflights users on 10/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:01 pm -
3 stops55h 59m
Sat 11/2811:10 pm -
3 stops36h 42m
Deal found 10/24![Multiple Airlines logo]()
$2,839
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:32 pm -
2 stops37h 13m
Sat 11/2810:45 pm -
2 stops32h 15m
Deal found 10/24![Qatar Airways logo]()
$2,855
This Qantas Airways deal was found by Cheapflights users on 10/24. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
3 stops32h 50m
Sat 11/286:45 am -
3 stops30h 42m
Deal found 10/24![Multiple Airlines logo]()
$4,584
One-way flights from Portland to AustraliaSearch for one-way flight options from Portland to Australia. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Portland to Australia. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 12/197:08 pm -
2 stops45h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$2,429
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:48 am -
3 stops57h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$2,459
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:48 am -
3 stops57h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$2,512
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 12/187:44 pm -
2 stops68h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$2,761
Find flight deals from Portland to Australia
Keep the following information in mind while searching for Portland to Australia flight deals. Data was last updated October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,204 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Australia 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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Portland to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Wed 2/10
9:40 am-9:20 am
2 stops31h 40m
Sydney Kingsford Smith
Tue 3/2
9:15 am-7:14 pm
2 stops25h 59m
$1,204
PortlandBrisbane
PWM Portland - BNE Brisbane
PWMBNE
Portland
Fri 11/20
3:23 pm-7:30 am
2 stops49h 07m
Brisbane
Fri 11/27
5:05 am-11:21 pm
3 stops33h 16m
$1,344
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Thu 3/18
6:00 am-8:35 am
3 stops35h 35m
Sydney Kingsford Smith
Mon 3/22
10:20 am-11:48 pm
2 stops28h 28m
$1,384
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 11/8
5:50 am-9:35 am
2 stops35h 45m
Sydney Kingsford Smith
Thu 11/12
11:20 am-11:21 pm
3 stops28h 01m
$1,477
PortlandBrisbane
PWM Portland - BNE Brisbane
PWMBNE
Portland
Tue 12/8
9:12 am-7:30 am
2 stops31h 18m
Brisbane
Tue 12/15
11:20 am-11:24 pm
2 stops27h 04m
$1,553
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 12/6
9:51 am-6:20 am
2 stops28h 29m
Sydney Kingsford Smith
Sun 12/13
11:20 am-9:29 pm
2 stops50h 09m
$1,655
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 11/8
6:30 am-7:25 pm
3 stops44h 55m
Sydney Kingsford Smith
Thu 11/12
9:35 pm-11:43 pm
3 stops42h 08m
$1,659
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 11/15
5:50 am-9:35 am
2 stops35h 45m
Sydney Kingsford Smith
Sun 11/22
11:20 am-11:21 pm
2 stops28h 01m
$1,677
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sat 11/21
10:50 am-9:05 am
2 stops30h 15m
Sydney Kingsford Smith
Sat 11/28
9:10 am-11:21 pm
2 stops30h 11m
$1,832
PortlandBrisbane
PWM Portland - BNE Brisbane
PWMBNE
Portland
Sat 11/21
6:00 am-7:30 am
2 stops34h 30m
Brisbane
Sat 11/28
11:20 am-11:21 pm
2 stops27h 01m
$1,921
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Portland to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Portland with our price prediction graph.
PWM-BNE
PWM-SYD
PWM-PER
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 Australia
PWM-AU0
PWM-BNE
PWM-SYD
PWM-PER
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated October 26, 2026.
Get a feel of what it's like to fly with American Airlines from Portland to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.1
Boarding
7.4
Crew
7.9
Entertainment
6.8
Overall
7.0
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.1
Boarding
7.4
Crew
7.9
Entertainment
6.8
Overall
7.0
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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Top airline flying from Portland to Australia
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,691 | Average$2,325 | FlexibilityNo cancel fee | On-time71% |