Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Sydney to Portland from $480

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Portland departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Sydney to Portland

Cheap round-trip flights

 Logo
4:20 pm - 10:10 pmSYD-PDX
22h 50m1 stop
 Logo
7:00 am - 2:40 pmPDX-SYD
38h 40m2 stops
Sun, Aug 3 - Sat, Aug 9
Alaska Airlines Logo
9:40 pm - 5:55 amSYD-PDX
25h 15m1 stop
Alaska Airlines Logo
7:30 am - 7:45 pmPDX-SYD
19h 15m1 stop
$940Alaska Airlines
Find Deal
Sun, Aug 10 - Fri, Aug 15
Air Canada Logo
9:20 am - 11:01 pmSYD-PDX
30h 41m1 stop
Air Canada Logo
3:25 pm - 7:20 amPDX-SYD
22h 55m1 stop
$1,007Air Canada
Find Deal
Sun, Aug 3 - Sat, Aug 9
 Logo
9:20 am - 9:18 amSYD-PDX
40h 58m3 stops
 Logo
10:05 am - 7:20 amPDX-SYD
28h 15m1 stop
$1,013
Find Deal
Sun, Aug 3 - Sat, Aug 9
 Logo
9:20 am - 11:01 pmSYD-PDX
30h 41m1 stop
 Logo
10:30 am - 7:05 amPDX-SYD
27h 35m1 stop
$1,021
Find Deal
Sat, Jul 26 - Sat, Aug 2
Air Canada Logo
9:20 am - 9:30 amSYD-PDX
17h 10m1 stop
Air Canada Logo
10:05 am - 10:20 pmPDX-SYD
43h 15m2 stops
$1,061Air Canada
Find Deal
Sat, Jul 26 - Sat, Aug 2
Delta Logo
9:25 am - 6:59 pmSYD-PDX
26h 34m1 stop
Delta Logo
6:15 am - 6:35 amPDX-SYD
31h 20m1 stop
$1,105Delta
Find Deal
Thu, Jun 26 - Sat, Jul 12
Hawaiian Airlines Logo
9:40 pm - 8:58 amSYD-PDX
28h 18m2 stops
Hawaiian Airlines Logo
2:50 pm - 7:45 pmPDX-SYD
35h 55m2 stops
$1,126Hawaiian Airlines
Find Deal
Fri, Jul 25 - Fri, Aug 1
Delta Logo
9:25 am - 3:59 pmSYD-PDX
23h 34m2 stops
Delta Logo
9:51 am - 6:35 amPDX-SYD
27h 44m2 stops
$1,163Delta
Find Deal
Sun, Aug 3 - Sat, Aug 9
ANA Logo
11:50 am - 6:46 pmSYD-PDX
23h 56m2 stops
ANA Logo
10:05 am - 7:15 pmPDX-SYD
40h 10m2 stops
$1,255ANA
Find Deal
Tue, Jul 8 - Tue, Jul 15

Alaska Airlines flights from Sydney to Portland

Our best Alaska Airlines deals on Sydney to Portland flight tickets
Alaska Airlines
Aug 10
SYD9:40 pmSydney Kingsford Smith
25h 15m
1 stop
PDX5:55 amPortland
Aug 15
PDX7:30 amPortland
19h 15m
1 stop
SYD7:45 pmSydney Kingsford Smith
Alaska Airlines
Jul 25
SYD9:40 pmSydney Kingsford Smith
25h 15m
1 stop
PDX5:55 amPortland
Aug 1
PDX5:35 pmPortland
33h 10m
1 stop
SYD7:45 pmSydney Kingsford Smith

Turkish Airlines flights from Sydney to Portland

Our best Turkish Airlines deals on Sydney to Portland flight tickets
Turkish Airlines
Aug 3
SYD8:55 pmSydney Kingsford Smith
40h 42m
3 stops
PDX8:37 pmPortland
Aug 9
PDX7:37 amPortland
66h 23m
3 stops
SYD7:00 pmSydney Kingsford Smith
Turkish Airlines
Aug 3
SYD8:55 pmSydney Kingsford Smith
40h 42m
3 stops
PDX8:37 pmPortland
Aug 9
PDX7:37 amPortland
66h 23m
3 stops
SYD7:00 pmSydney Kingsford Smith

See travel insights to Portland from

How to get the cheapest flight ticket from Sydney to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sydney and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Sydney is in October. Flight prices, which tend to average around $1,033, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until March to fly from Sydney, when ticket prices are also cheap, with an average price of $1,035.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $1,044. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Tuesday, with ticket prices averaging around $1,517.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $1,143. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $1,304 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Sydney when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $1,180 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Sydney for as low as $1,000 on momondo.

How have Sydney to Portland flight prices changed over time?

As of June 2025, prices for Sydney to Portland flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to Portland (SYD to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Portland

Best Price Found

$480

Fastest flight time

17h 10m

Direct flights

None

Airports in Portland

1 airport
The best one-way flight to Portland from Sydney in the past 72 hours is $480. The best round-trip flight deal from Sydney to Portland found on momondo in the last 72 hours is $925.
The fastest flight from Sydney to Portland takes 17h 10m
There are no direct flights from Sydney to Portland. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Portland Airport.
There is 1 airport near Portland: Portland (PDX)

  • How far is Sydney Kingsford Smith to Portland by plane?

    Portland is 7663.9 mi away from Sydney Kingsford Smith. A reasonable flight in good conditions will take 17h 10m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Portland Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Portland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Salem
Vancouver
Astoria
Long Beach
Depoe Bay
Beaverton
Rockaway Beach
Hood River
Gresham
Hillsboro
McMinnville
Tigard
Longview
The Dalles
Pacific City
Clackamas
Oregon City

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Sydney.

Can I find flights from Sydney to Portland with flexible booking policies on momondo?

All flight searches from Sydney to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Sydney to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Portland.

I’m not ready to book a flight from Sydney to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Sydney and alert you when they change.


An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/17
Tue 6/24

Find better results for your trip to the United States