Cheap flights from Sydney to Portland from $871
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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or March, booked 38 days in advance, depart on a Tuesday or Monday and return on a Tuesday
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 11 July 2025.
Round-trip from | $1,498 |
---|---|
One-way from | $871 |
Popular in | December |
Cheapest in | October |
Average price | $1,909 |
Find flight deals from Sydney to Portland
Cheapest flights from Sydney to PortlandExplore 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 11 July 2025.
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 11 July 2025.
Cheapflights Fare Finder
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 11 July 2025.
Use the filters below to find and compare flights from Sydney to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Fri 22/8
16:20-06:00
1 stop30h 40m
Portland
Fri 29/8
21:30-07:05
1 stop40h 35m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Mon 4/8
09:10-14:23
1 stop22h 13m
Portland
Sun 17/8
14:56-07:05
1 stop23h 09m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Sun 10/8
11:50-18:28
2 stops23h 38m
Portland
Fri 15/8
09:47-08:45
2 stops29h 58m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Sun 10/8
09:20-09:30
1 stop17h 10m
Portland
Fri 15/8
19:40-22:20
2 stops33h 40m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Mon 15/12
11:20-22:40
3 stops30h 20m
Portland
Thu 15/1
19:30-06:20
1 stop39h 50m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Thu 25/12
14:15-08:32
2 stops37h 17m
Portland
Sun 18/1
10:00-08:30
1 stop27h 30m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Wed 31/12
11:15-22:44
1 stop30h 29m
Portland
Mon 12/1
15:36-07:25
1 stop20h 49m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Wed 17/9
09:20-09:21
1 stop17h 01m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Wed 15/10
06:45-09:21
2 stops20h 36m
SydneyPortland
SYD - PDX
SYDPDX
Sydney Kingsford Smith
Mon 8/9
09:25-16:10
2 stops23h 45m
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.
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 return flight from Sydney to Portland. Price data was last updated on 27 June 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, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $908). Flying from Sydney to Portland in December is currently the most expensive (average of $1,407). 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 11 July 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 50% versus a flight in the evening.
How much does it cost for a return flight 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 11 July 2025.
Read reviews from past customers who have flown with Air Tahiti Nui, Alaska Airlines, andDelta 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.
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Isabelle,Apr 2023
AKL - PPT
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.
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.
Top 8 airlines flying from Sydney to Portland
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 11 July 2025.
Fly with Cheapflights
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.