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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
17 Jan — 24 Jan1
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 40 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap 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 18 December 2025.
Sun 21/1211:20SYD - PDX
1 stop24h 51mQantas Airways
Mon 5/117:48PDX - SYD
2 stops23h 42mQantas Airways
Deal found 17/12$2,527
Sun 21/1221:40SYD - PDX
1 stop18h 29mHawaiian Airlines
Mon 5/110:30PDX - SYD
1 stop38h 15mHawaiian Airlines
Deal found 17/12$2,689
Sun 21/1221:40SYD - PDX
1 stop26h 45mAlaska Airlines
Sat 27/1207:00PDX - SYD
1 stop17h 45mAlaska Airlines
Deal found 17/12$2,823
Sat 20/1221:40SYD - PDX
1 stop18h 29mHawaiian Airlines
Sun 4/110:30PDX - SYD
1 stop38h 15mHawaiian Airlines
Deal found 16/12$2,888
Sat 20/1216:00SYD - PDX
1 stop21h 30mAir Canada
Sun 4/109:50PDX - SYD
2 stops37h 15mAir Canada
Deal found 16/12$2,994
Sun 21/1210:40SYD - PDX
2 stops30h 16mDelta
Mon 5/117:00PDX - SYD
2 stops20h 30mDelta
Deal found 17/12$3,082
Sun 21/1221:40SYD - PDX
1 stop18h 29mMultiple Airlines
Sat 27/1218:09PDX - SYD
2 stops30h 36mMultiple Airlines
Deal found 17/12$3,085
Sat 20/1214:15SYD - PDX
2 stops21h 01mDelta
Sun 4/109:19PDX - SYD
2 stops26h 31mDelta
Deal found 16/12$3,086
Sun 21/1210:40SYD - PDX
2 stops26h 34mDelta
Sat 27/1212:29PDX - SYD
2 stops25h 01mDelta
Deal found 17/12$3,157
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 18 December 2025.
Fri 30/117:30SYD - PDX
2 stops22h 04mQantas Airways
Fri 6/214:57PDX - SYD
2 stops23h 23mQantas Airways
Deal found 16/12$1,507
Sat 9/507:50SYD - PDX
2 stops28h 15mAir New Zealand
Thu 22/1010:10PDX - SYD
2 stops28h 35mAir New Zealand
Deal found 16/12$1,631
Thu 19/211:20SYD - PDX
1 stop26h 10mAir Canada
Mon 23/219:05PDX - SYD
1 stop19h 30mAir Canada
Deal found 17/12$1,752
Tue 19/509:10SYD - PDX
2 stops24h 16mAmerican Airlines
Tue 20/1014:45PDX - SYD
1 stop23h 20mAmerican Airlines
Deal found 16/12$1,761
Tue 12/509:15SYD - PDX
1 stop19h 58mDelta
Sun 4/1006:30PDX - SYD
1 stop31h 05mDelta
Deal found 17/12$1,785
Wed 4/315:35SYD - PDX
2 stops24h 18mQantas Airways
Sun 8/317:42PDX - SYD
2 stops23h 53mQantas Airways
Deal found 15/12$1,702
Mon 11/509:10SYD - PDX
2 stops26h 29mAmerican Airlines
Tue 20/1015:49PDX - SYD
2 stops22h 16mAmerican Airlines
Deal found 16/12$1,761
Wed 13/509:15SYD - PDX
1 stop19h 58mDelta
Sat 26/917:05PDX - SYD
2 stops44h 30mDelta
Deal found 17/12$1,785
Thu 7/509:10SYD - PDX
1 stop19h 23mAmerican Airlines
Sat 24/1023:59PDX - SYD
2 stops36h 26mAmerican Airlines
Deal found 16/12$1,773
Last-minute flights from Sydney to Portland
Discover last-minute flight deals from Sydney to Portland. Data last updated 18 December 2025 and is based on user searches.
Sat 20/1221:40SYD - PDX
1 stop18h 29mHawaiian Airlines
Sun 4/110:30PDX - SYD
1 stop38h 15mHawaiian Airlines
Deal found 16/12$2,888
Sat 20/1216:00SYD - PDX
1 stop21h 30mAir Canada
Sun 4/109:50PDX - SYD
2 stops37h 15mAir Canada
Deal found 16/12$2,994
Sun 21/1211:20SYD - PDX
1 stop24h 51mQantas Airways
Mon 5/117:48PDX - SYD
2 stops23h 42mQantas Airways
Deal found 17/12$2,527
Sun 21/1221:40SYD - PDX
1 stop18h 29mHawaiian Airlines
Mon 5/110:30PDX - SYD
1 stop38h 15mHawaiian Airlines
Deal found 17/12$2,689
Sun 21/1221:40SYD - PDX
1 stop26h 45mAlaska Airlines
Sat 27/1207:00PDX - SYD
1 stop17h 45mAlaska Airlines
Deal found 17/12$2,823
Sun 21/1210:40SYD - PDX
2 stops30h 16mDelta
Mon 5/117:00PDX - SYD
2 stops20h 30mDelta
Deal found 17/12$3,082
Sun 21/1221:40SYD - PDX
1 stop18h 29mMultiple Airlines
Sat 27/1218:09PDX - SYD
2 stops30h 36mMultiple Airlines
Deal found 17/12$3,085
Fri 30/117:30SYD - PDX
2 stops22h 04mQantas Airways
Fri 6/214:57PDX - SYD
2 stops23h 23mQantas Airways
Deal found 16/12$1,507
Fri 30/117:00SYD - PDX
2 stops22h 34mMultiple Airlines
Fri 6/210:44PDX - SYD
1 stop25h 41mMultiple Airlines
Deal found 16/12$1,647
Fri 30/111:20SYD - PDX
1 stop26h 10mAir Canada
Fri 6/219:05PDX - SYD
1 stop19h 30mAir Canada
Deal found 16/12$1,868
Fri 30/111:20SYD - PDX
2 stops25h 50mUnited Airlines
Fri 6/213:35PDX - SYD
3 stops72h 30mUnited Airlines
Deal found 16/12$2,306
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 18 December 2025.
Sun 15/321:50SYD - PDX
3 stops57h 35mMultiple Airlines
Deal found 17/12$803
Wed 11/321:50SYD - PDX
3 stops57h 35mMultiple Airlines
Deal found 17/12$819
Thu 12/306:20SYD - PDX
2 stops20h 55mMultiple Airlines
Deal found 17/12$828
Wed 4/316:35SYD - PDX
2 stops23h 18mQantas Airways
Deal found 17/12$842
Fri 30/117:00SYD - PDX
2 stops22h 34mQantas Airways
Deal found 15/12$843
Mon 9/306:20SYD - PDX
2 stops35h 22mMultiple Airlines
Deal found 17/12$852
Fri 13/317:00SYD - PDX
2 stops24h 42mMultiple Airlines
Deal found 17/12$872
Mon 19/112:35SYD - PDX
3 stops43h 03mMultiple Airlines
Deal found 18/12$878
Tue 10/315:35SYD - PDX
2 stops39h 50mQantas Airways
Deal found 17/12$892
Mon 16/321:20SYD - PDX
3 stops50h 58mMultiple Airlines
Deal found 17/12$899
Tue 10/317:00SYD - PDX
3 stops33h 49mMultiple Airlines
Deal found 17/12$905
Find 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 18 December 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 18 December 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
Fri 30/1
17:30-20:34
2 stops22h 04m
Portland
Fri 6/2
14:57-09:20
2 stops23h 23m
$1,507
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Sat 9/5
07:50-19:05
2 stops28h 15m
Portland
Thu 22/10
10:10-08:45
2 stops28h 35m
$1,631
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Wed 4/3
15:35-20:53
2 stops24h 18m
Portland
Sun 8/3
17:42-11:35
2 stops23h 53m
$1,702
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 19/2
11:20-18:30
1 stop26h 10m
Portland
Mon 23/2
19:05-09:35
1 stop19h 30m
$1,752
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Tue 19/5
09:10-16:26
2 stops24h 16m
Portland
Tue 20/10
14:45-08:05
1 stop23h 20m
$1,761
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Mon 11/5
09:10-18:39
2 stops26h 29m
Portland
Tue 20/10
15:49-08:05
2 stops22h 16m
$1,761
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 7/5
09:10-11:33
1 stop19h 23m
Portland
Sat 24/10
23:59-06:25
2 stops36h 26m
$1,773
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Tue 12/5
09:15-12:13
1 stop19h 58m
Portland
Sun 4/10
06:30-07:35
1 stop31h 05m
$1,785
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Wed 13/5
09:15-12:13
1 stop19h 58m
Portland
Sat 26/9
17:05-06:35
2 stops44h 30m
$1,785
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Sun 15/3
21:50-13:25
3 stops57h 35m
$803
Flights are sorted by cheapest return flights first.
Deals found on 17/12
Showing 1-10 of 20 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 12 December 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 $753). Flying from Sydney to Portland in July is currently the most expensive (average of $1,460). 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 18 December 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.
Vancouver (YVR) – chosen by Cheapflights users on 39% of one-stop itineraries from Sydney to Portland on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Portland?
Average return fare for one-stop flights from Sydney to Portland, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Los Angeles (LAX) is the most affordable one-stop option, with an average return flight price of $1,653.
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 50m.
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 11m.
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 18 December 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.
Overall good experience with united . I fly united most part so nothing out of obvious i guess
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?
Qantas Airways, Air New Zealand, and Air Canada can get you from Sydney to Portland in just under 22h 04m. Your travel time can differ by up to 6h 11m. 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 $970, 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 Hawaiian Airlines and Air Canada - these airlines can fly you to your destination from $1,129 and $1,186, respectively. These flights start at 40% 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 $753). Flying from Sydney to Portland in July is currently the most expensive (average of $1,460). 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 18 December 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 18 December 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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