$1,343+ Cheap flights from Portland, ME (PWM) to Sydney (SYD)
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Sydney 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 Sydney
Cheapest
Best
Last-minute
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 October 30, 2026.
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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/93:23 pm -
2 stops25h 57m
Mon 11/1611:20 am -
2 stops28h 01m
Deal found 10/27![United Airlines logo]()
$1,343
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 10/25. 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 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 10/25![Turkish Airlines logo]()
$1,660
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 Cathay Pacific deal was found by Cheapflights users on 10/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
3 stops42h 25m
Mon 11/1610:20 pm -
2 stops41h 23m
Deal found 10/27![Multiple Airlines logo]()
$2,229
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/83:23 pm -
2 stops25h 57m
Thu 11/1211:20 am -
2 stops23h 42m
Deal found 10/26![United Airlines logo]()
$2,428
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 am -
2 stops34h 30m
Sun 12/2010:40 am -
2 stops28h 29m
Deal found 10/29![Delta logo]()
$2,673
Best flights from Portland to SydneyDiscover 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 October 30, 2026.
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 October 30, 2026.
This Qantas Airways deal was found by Cheapflights users on 10/27. 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.
Wed 2/2412:15 pm -
2 stops26h 10m
Wed 3/37:40 pm -
3 stops30h 56m
Deal found 10/27![Multiple Airlines logo]()
$1,628
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 10/27. 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.
Mon 4/126:30 am -
2 stops34h 20m
Mon 4/269:15 am -
2 stops28h 08m
Deal found 10/27![Delta logo]()
$1,803
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 am -
2 stops34h 30m
Sun 12/2010:40 am -
2 stops28h 29m
Deal found 10/29![Delta logo]()
$2,673
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:55 am -
2 stops30h 05m
Wed 12/1611:10 am -
2 stops28h 09m
Deal found 10/25![Qantas Airways logo]()
$5,765
This Qantas Airways deal was found by Cheapflights users on 10/27. 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.
Mon 11/911:07 am -
3 stops31h 13m
Mon 11/167:40 pm -
3 stops31h 48m
Deal found 10/27![Multiple Airlines logo]()
$2,920
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/126:01 pm -
3 stops46h 04m
Mon 4/262:35 pm -
3 stops46h 52m
Deal found 10/27![Multiple Airlines logo]()
$3,402
This Qantas Airways deal was found by Cheapflights users on 10/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1312:44 pm -
2 stops28h 16m
Sun 12/208:30 am -
3 stops31h 53m
Deal found 10/29![Multiple Airlines logo]()
$4,015
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:58 am -
3 stops32h 27m
Wed 12/162:05 pm -
2 stops25h 14m
Deal found 10/25![Multiple Airlines logo]()
$6,938
Last-minute flights from Portland to SydneyDiscover last-minute flight deals from Portland to Sydney. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Sydney. Data last updated October 30, 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 10/25. 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 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 10/25![Turkish Airlines logo]()
$1,660
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/83:23 pm -
2 stops25h 57m
Thu 11/1211:20 am -
2 stops23h 42m
Deal found 10/26![United Airlines logo]()
$2,428
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/93:23 pm -
2 stops25h 57m
Mon 11/1611:20 am -
2 stops28h 01m
Deal found 10/27![United Airlines logo]()
$1,343
This Cathay Pacific deal was found by Cheapflights users on 10/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
3 stops42h 25m
Mon 11/1610:20 pm -
2 stops41h 23m
Deal found 10/27![Multiple Airlines logo]()
$2,229
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
Find flight deals from Portland to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Sydney (SYD). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,343 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Sydney 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 30, 2026.
Use the filters below to find and compare flights from Portland to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Wed 2/24
12:15 pm-6:25 am
2 stops26h 10m
Sydney Kingsford Smith
Wed 3/3
7:40 pm-10:36 am
3 stops30h 56m
$1,628
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
Mon 4/12
6:30 am-6:50 am
2 stops34h 20m
Sydney Kingsford Smith
Mon 4/26
9:15 am-11:23 pm
2 stops28h 08m
$1,803
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 12/13
6:00 am-8:30 am
2 stops34h 30m
Sydney Kingsford Smith
Sun 12/20
10:40 am-11:09 pm
2 stops28h 29m
$2,673
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Mon 11/9
11:07 am-10:20 am
3 stops31h 13m
Sydney Kingsford Smith
Mon 11/16
7:40 pm-11:28 am
3 stops31h 48m
$2,920
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Mon 4/12
6:01 pm-6:05 am
3 stops46h 04m
Sydney Kingsford Smith
Mon 4/26
2:35 pm-11:27 pm
3 stops46h 52m
$3,402
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Sun 12/13
12:44 pm-9:00 am
2 stops28h 16m
Sydney Kingsford Smith
Sun 12/20
8:30 am-12:23 am
3 stops31h 53m
$4,015
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Wed 12/9
10:55 am-9:00 am
2 stops30h 05m
Sydney Kingsford Smith
Wed 12/16
11:10 am-11:19 pm
2 stops28h 09m
$5,765
PortlandSydney
PWM Portland - SYD Sydney Kingsford Smith
PWMSYD
Portland
Wed 12/9
11:58 am-12:25 pm
3 stops32h 27m
Sydney Kingsford Smith
Wed 12/16
2:05 pm-11:19 pm
2 stops25h 14m
$6,938
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Sydney 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 Portland, Maine-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.
PWM-SYD
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.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from Portland to Sydney, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.1
Entertainment
6.8
Food
6.4
Overall
7.0
Crew
7.9
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.1
Entertainment
6.8
Food
6.4
Overall
7.0
Crew
7.9
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Portland and Sydney flights
Browse other Portland and Sydney flight options. Last updated on October 30, 2026.
Other flights from Portland
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Top airline flying from Portland to Sydney
Discover the top airline that operate flights from Portland to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,691 | Average$2,325 | FlexibilityNo cancel fee | On-time71% |