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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
7 Dec — 14 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or August, booked 38 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Find flight deals from Sydney to Portland
Enter your travel dates to find the best prices.
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 7 November 2025.
Sun 9/1111:20SYD - PDX
1 stop16h 55mAir Canada
Mon 24/1115:15PDX - SYD
1 stop23h 20mAir Canada
Deal found 5/11$1,210
Mon 1/1214:05SYD - PDX
1 stop24h 05mAmerican Airlines
Wed 31/1206:20PDX - SYD
1 stop31h 40mAmerican Airlines
Deal found 5/11$1,330
Sun 9/1111:20SYD - PDX
3 stops30h 31mUnited Airlines
Mon 24/1115:54PDX - SYD
1 stop22h 21mUnited Airlines
Deal found 5/11$1,388
Wed 5/1121:55SYD - PDX
2 stops30h 20mMultiple Airlines
Wed 12/1115:15PDX - SYD
1 stop23h 20mMultiple Airlines
Deal found 5/11$1,551
Fri 21/1114:00SYD - PDX
2 stops26h 24mMultiple Airlines
Mon 24/1116:30PDX - SYD
2 stops25h 05mMultiple Airlines
Deal found 5/11$1,608
Fri 21/1121:40SYD - PDX
1 stop19h 03mHawaiian Airlines
Mon 24/1116:30PDX - SYD
2 stops56h 15mHawaiian Airlines
Deal found 5/11$1,717
Mon 10/1117:30SYD - PDX
2 stops24h 04mQantas Airways
Tue 25/1106:00PDX - SYD
1 stop32h 00mQantas Airways
Deal found 6/11$1,810
Mon 10/1111:20SYD - PDX
1 stop16h 55mAir Canada
Tue 25/1119:00PDX - SYD
1 stop19h 35mAir Canada
Deal found 6/11$1,916
Mon 1/1210:40SYD - PDX
2 stops32h 18mDelta
Wed 31/1205:30PDX - SYD
2 stops32h 00mDelta
Deal found 5/11$2,071
Sun 28/1210:40SYD - PDX
2 stops32h 15mDelta
Thu 15/106:25PDX - SYD
1 stop31h 05mDelta
Deal found 6/11$2,073
Best flights from Sydney to Portland
Discover carefully curated flight deals from Sydney to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 November 2025.
Thu 5/221:40SYD - PDX
2 stops27h 20mAlaska Airlines
Wed 25/218:05PDX - SYD
2 stops30h 40mAlaska Airlines
Deal found 5/11$1,308
Mon 1/1214:05SYD - PDX
1 stop24h 05mAmerican Airlines
Wed 31/1206:20PDX - SYD
1 stop31h 40mAmerican Airlines
Deal found 5/11$1,330
Fri 6/209:00SYD - PDX
2 stops19h 15mAir Canada
Sun 22/215:15PDX - SYD
1 stop23h 20mAir Canada
Deal found 5/11$1,407
Tue 3/221:40SYD - PDX
2 stops30h 53mAlaska Airlines
Sun 22/217:50PDX - SYD
1 stop30h 55mAlaska Airlines
Deal found 5/11$1,365
Thu 5/221:40SYD - PDX
2 stops27h 20mAlaska Airlines
Sun 22/210:40PDX - SYD
1 stop38h 05mAlaska Airlines
Deal found 5/11$1,368
Thu 5/221:40SYD - PDX
1 stop26h 51mAlaska Airlines
Thu 19/218:05PDX - SYD
2 stops30h 40mAlaska Airlines
Deal found 5/11$1,370
Tue 3/221:40SYD - PDX
1 stop18h 10mAlaska Airlines
Mon 23/207:10PDX - SYD
1 stop17h 35mAlaska Airlines
Deal found 5/11$1,383
Thu 5/221:40SYD - PDX
1 stop18h 10mAlaska Airlines
Mon 23/207:10PDX - SYD
1 stop17h 35mAlaska Airlines
Deal found 5/11$1,383
Fri 6/221:40SYD - PDX
1 stop26h 51mAlaska Airlines
Wed 25/218:05PDX - SYD
2 stops30h 40mAlaska Airlines
Deal found 5/11$1,383
Tue 3/221:40SYD - PDX
1 stop26h 51mAlaska Airlines
Fri 20/207:10PDX - SYD
1 stop17h 35mAlaska Airlines
Deal found 5/11$1,383
Sat 7/221:40SYD - PDX
2 stops26h 33mAlaska Airlines
Wed 25/218:05PDX - SYD
2 stops30h 40mAlaska Airlines
Deal found 5/11$1,383
Last-minute flights from Sydney to Portland
Discover last-minute flight deals from Sydney to Portland. Data last updated 7 November 2025 and is based on user searches.
Sun 9/1111:20SYD - PDX
1 stop16h 55mAir Canada
Mon 24/1115:15PDX - SYD
1 stop23h 20mAir Canada
Deal found 5/11$1,210
Sun 9/1111:20SYD - PDX
3 stops30h 31mUnited Airlines
Mon 24/1115:54PDX - SYD
1 stop22h 21mUnited Airlines
Deal found 5/11$1,388
Mon 10/1117:30SYD - PDX
2 stops24h 04mQantas Airways
Tue 25/1106:00PDX - SYD
1 stop32h 00mQantas Airways
Deal found 6/11$1,810
Mon 10/1111:20SYD - PDX
1 stop16h 55mAir Canada
Tue 25/1119:00PDX - SYD
1 stop19h 35mAir Canada
Deal found 6/11$1,916
Fri 21/1114:00SYD - PDX
2 stops26h 24mMultiple Airlines
Mon 24/1116:30PDX - SYD
2 stops25h 05mMultiple Airlines
Deal found 5/11$1,608
Fri 21/1121:40SYD - PDX
1 stop19h 03mHawaiian Airlines
Mon 24/1116:30PDX - SYD
2 stops56h 15mHawaiian Airlines
Deal found 5/11$1,717
Mon 1/1214:05SYD - PDX
1 stop24h 05mAmerican Airlines
Wed 31/1206:20PDX - SYD
1 stop31h 40mAmerican Airlines
Deal found 5/11$1,330
Mon 1/1210:40SYD - PDX
2 stops32h 18mDelta
Wed 31/1205:30PDX - SYD
2 stops32h 00mDelta
Deal found 5/11$2,071
Sun 28/1210:40SYD - PDX
1 stop30h 44mDelta
Thu 15/110:24PDX - SYD
1 stop27h 06mDelta
Deal found 6/11$2,073
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 7 November 2025.
Tue 10/314:00SYD - PDX
3 stops40h 36mMultiple Airlines
Deal found 6/11$689
Wed 28/116:55SYD - PDX
2 stops39h 46mMultiple Airlines
Deal found 6/11$794
Wed 4/317:30SYD - PDX
2 stops22h 05mQantas Airways
Deal found 6/11$833
Wed 12/1121:55SYD - PDX
2 stops43h 39mQantas Airways
Deal found 6/11$840
Tue 3/306:20SYD - PDX
3 stops33h 15mMultiple Airlines
Deal found 6/11$885
Tue 24/321:20SYD - PDX
2 stops29h 55mMultiple Airlines
Deal found 6/11$886
Thu 13/1114:55SYD - PDX
2 stops26h 39mQantas Airways
Deal found 6/11$902
Thu 13/1113:55SYD - PDX
2 stops21h 55mMultiple Airlines
Deal found 5/11$922
Wed 28/121:40SYD - PDX
1 stop26h 51mAlaska Airlines
Deal found 6/11$943
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 7 November 2025.
Customise 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 647,157 searches. Data last updated 7 November 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
Thu 5/2
21:40-06:00
2 stops27h 20m
Portland
Wed 25/2
18:05-19:45
2 stops30h 40m
$1,308
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Mon 1/12
14:05-19:10
1 stop24h 05m
Portland
Wed 31/12
06:20-09:00
1 stop31h 40m
$1,330
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Tue 3/2
21:40-09:33
2 stops30h 53m
Portland
Sun 22/2
17:50-19:45
1 stop30h 55m
$1,365
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 5/2
21:40-06:00
2 stops27h 20m
Portland
Sun 22/2
10:40-19:45
1 stop38h 05m
$1,368
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 5/2
21:40-05:31
1 stop26h 51m
Portland
Thu 19/2
18:05-19:45
2 stops30h 40m
$1,370
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Tue 3/2
21:40-20:50
1 stop18h 10m
Portland
Mon 23/2
07:10-19:45
1 stop17h 35m
$1,383
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 5/2
21:40-20:50
1 stop18h 10m
Portland
Mon 23/2
07:10-19:45
1 stop17h 35m
$1,383
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Fri 6/2
21:40-05:31
1 stop26h 51m
Portland
Wed 25/2
18:05-19:45
2 stops30h 40m
$1,383
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Tue 3/2
21:40-05:31
1 stop26h 51m
Portland
Fri 20/2
07:10-19:45
1 stop17h 35m
$1,383
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Sat 7/2
21:40-05:13
2 stops26h 33m
Portland
Wed 25/2
18:05-19:45
2 stops30h 40m
$1,383
Flights are sorted by cheapest return flights first.
Deals found on 6/11
Showing 1-10 of 21 results
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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 return 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
Prices
More
How far ahead should I book a flight from Sydney to Portland?
Use this chart to determine the optimal time to book a return flight from Sydney to Portland. Price data was last updated on 31 October 2025.
Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Portland. 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 Sydney to Portland?
Currently, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $746). Flying from Sydney to Portland in July is currently the most expensive (average of $1,487). 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?
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 7 November 2025.
When flying from Sydney to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 49% versus a flight in the evening.
How much does it cost for a return flight from Sydney to Portland?
What’s the top stopover airport for flights from Sydney to Portland?
Share of one-stop return flights from Sydney to Portland chosen by Cheapflights users in the past 12 months, using the same stopover each way.
San Francisco (SFO) – chosen by Cheapflights users on 39% of one-stop itineraries from Sydney to Portland on Cheapflights.
What’s the fastest stopover option from Sydney to Portland?
Shortest average travel time for one-stop one-way flights from Sydney to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for one-stop routes: 17h 48m.
What’s the fastest stopover option from Sydney to Portland?
Shortest average travel time for one-stop one-way flights from Sydney to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for one-stop routes: 17h 48m.
Which airport typically offers the quickest stopover for flights from Sydney to Portland?
Average stopover duration for one-stop one-way flights from Sydney to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Vancouver (YVR) offer the fastest connection on this route, with an average stopover time of 2h 13m.
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 7 November 2025.
Read reviews from past customers who have flown with Air New Zealand, Hawaiian Airlines, andQantas Airways
from Sydney to Portland. 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.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
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.
How long is the flight from Sydney to Portland?
Alaska Airlines and American Airlines can get you from Sydney to Portland in just under 24h 05m. Your travel time can differ by up to 3h 15m. There are 12350 km between Sydney and Portland. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to Portland round-trip?
Currently priced at $1,217, United Airlines will fly you from Sydney to Portland and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Hawaiian Airlines - these airlines can fly you to your destination from $1,223 and $1,231, respectively. These flights start at 28% lower than the current average price 3 months from now.
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, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $746). Flying from Sydney to Portland in July is currently the most expensive (average of $1,487). 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.
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 November 2025.
Discover the top 8 airlines that operate flights from Sydney to Portland. 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 647,157 searches. Data last updated 7 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Portland?
Cheapflights helps you search for flights from Sydney to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Portland?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Portland for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Sydney to Portland with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Portland, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Sydney to Portland become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Sydney today and book when prices fit your budget.
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