Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Sydney to Portland from $608

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 3/23. 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.
Search flight deals

Find the cheapest flights from Sydney to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:20 am - 6:30 pm
SYD
-
PDX
26h 10m
1 stop
Air Canada Logo
9:50 am - 7:20 am
PDX
-
SYD
28h 30m
1 stop
$820Air Canada
Thu, Apr 16 - Thu, Apr 30
Air Canada Logo
7:00 am - 9:10 am
SYD
-
PDX
19h 10m
2 stops
Air Canada Logo
9:50 am - 7:20 am
PDX
-
SYD
28h 30m
1 stop
$835Air Canada
Thu, Apr 16 - Thu, Apr 30
Air Canada Logo
11:20 am - 9:15 am
SYD
-
PDX
16h 55m
1 stop
Air Canada Logo
9:50 am - 8:20 am
PDX
-
SYD
28h 30m
1 stop
$867Air Canada
Sun, Mar 1 - Tue, Mar 31
Air Canada Logo
11:20 am - 9:15 am
SYD
-
PDX
16h 55m
1 stop
Air Canada Logo
3:15 pm - 11:40 am
PDX
-
SYD
26h 25m
2 stops
$888Air Canada
Sun, Mar 1 - Tue, Mar 31
Multiple Airlines Logo
9:20 am - 2:45 pm
SYD
-
PDX
22h 25m
1 stop
Multiple Airlines Logo
7:45 pm - 10:20 am
PDX
-
SYD
21h 35m
2 stops
$896Multiple Airlines
Fri, May 15 - Mon, May 25
Air Canada Logo
10:00 am - 9:30 am
SYD
-
PDX
40h 30m
2 stops
Air Canada Logo
3:25 pm - 7:20 am
PDX
-
SYD
22h 55m
1 stop
$902Air Canada
Sun, May 24 - Thu, May 28
Delta Logo
9:15 am - 8:36 am
SYD
-
PDX
40h 21m
2 stops
Delta Logo
7:10 am - 6:50 am
PDX
-
SYD
52h 40m
2 stops
$913Delta
Mon, Jul 20 - Tue, Dec 22
Multiple Airlines Logo
2:00 pm - 9:23 pm
SYD
-
PDX
26h 23m
2 stops
Multiple Airlines Logo
10:24 am - 7:25 am
PDX
-
SYD
27h 01m
1 stop
$919Multiple Airlines
Fri, Feb 27 - Sat, Mar 28
Multiple Airlines Logo
2:00 pm - 9:23 pm
SYD
-
PDX
26h 23m
2 stops
Multiple Airlines Logo
10:24 am - 7:25 am
PDX
-
SYD
27h 01m
1 stop
$920Multiple Airlines
Mon, Mar 2 - Sat, Mar 28
Air Canada Logo
11:20 am - 9:15 am
SYD
-
PDX
16h 55m
1 stop
Air Canada Logo
3:15 pm - 8:20 am
PDX
-
SYD
23h 05m
1 stop
$927Air Canada
Sun, Mar 1 - Wed, Apr 1

American Airlines flights from Sydney to Portland

Our best American Airlines deals on Sydney to Portland flight tickets
American Airlines
Jul 22
SYD9:10 amSydney Kingsford Smith
29h 19m
1 stop
PDX9:29 pmPortland
Dec 20
PDX5:33 amPortland
30h 22m
1 stop
SYD6:55 amSydney Kingsford Smith
$945
American Airlines
Jul 23
SYD5:50 pmSydney Kingsford Smith
36h 05m
2 stops
PDX12:55 pmPortland
Dec 20
PDX8:35 amPortland
27h 20m
2 stops
SYD6:55 amSydney Kingsford Smith
$953
American Airlines
Feb 28
SYD11:20 amSydney Kingsford Smith
24h 53m
1 stop
PDX5:13 pmPortland
Apr 1
PDX5:38 pmPortland
20h 27m
1 stop
SYD8:05 amSydney Kingsford Smith
$992

Air Canada flights from Sydney to Portland

Our best Air Canada deals on Sydney to Portland flight tickets
Air Canada
Apr 16
SYD9:20 amSydney Kingsford Smith
26h 10m
1 stop
PDX6:30 pmPortland
Apr 30
PDX9:50 amPortland
28h 30m
1 stop
SYD7:20 amSydney Kingsford Smith
$820
Air Canada
Apr 16
SYD7:00 amSydney Kingsford Smith
19h 10m
2 stops
PDX9:10 amPortland
Apr 30
PDX9:50 amPortland
28h 30m
1 stop
SYD7:20 amSydney Kingsford Smith
$835
Air Canada
Mar 1
SYD11:20 amSydney Kingsford Smith
16h 55m
1 stop
PDX9:15 amPortland
Mar 31
PDX9:50 amPortland
28h 30m
1 stop
SYD8:20 amSydney Kingsford Smith
$867

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated February 11, 2026.
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

Thu 4/16

9:20 am-6:30 pm

1 stop26h 10m

Portland

Thu 4/30

9:50 am-7:20 am

1 stop28h 30m

$820

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 4/16

7:00 am-9:10 am

2 stops19h 10m

Portland

Thu 4/30

9:50 am-7:20 am

1 stop28h 30m

$835

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/1

11:20 am-9:15 am

1 stop16h 55m

Portland

Tue 3/31

9:50 am-8:20 am

1 stop28h 30m

$867

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/1

11:20 am-9:15 am

1 stop16h 55m

Portland

Tue 3/31

3:15 pm-11:40 am

2 stops26h 25m

$888

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 5/15

9:20 am-2:45 pm

1 stop22h 25m

Portland

Mon 5/25

7:45 pm-10:20 am

2 stops21h 35m

$896

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 5/24

10:00 am-9:30 am

2 stops40h 30m

Portland

Thu 5/28

3:25 pm-7:20 am

1 stop22h 55m

$902

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 7/20

9:15 am-8:36 am

2 stops40h 21m

Portland

Tue 12/22

7:10 am-6:50 am

2 stops52h 40m

$913

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 2/27

2:00 pm-9:23 pm

2 stops26h 23m

Portland

Sat 3/28

10:24 am-7:25 am

1 stop27h 01m

$919

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 3/2

2:00 pm-9:23 pm

2 stops26h 23m

Portland

Sat 3/28

10:24 am-7:25 am

1 stop27h 01m

$920

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/1

11:20 am-9:15 am

1 stop16h 55m

Portland

Wed 4/1

3:15 pm-8:20 am

1 stop23h 05m

$927

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 January. Flight prices, which tend to average around $825, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until October to fly from Sydney, when ticket prices are also cheap, with an average price of $836.

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 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $1,033 when searching 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 $843 on momondo.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 23% on your flight if you consider stops on a Sydney to Portland flight.

How have Sydney to Portland flight prices changed over time?

As of February 2026, prices for Sydney to Portland flights are approximately 11% 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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Sydney to Portland takes 16h 55m
There are no direct flights from Sydney to Portland. There are no popular flight routes from Sydney to Portland.
Search flight deals

  • 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 16h 55m.

  • 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
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Tigard
Longview
McMinnville
Gresham
Pacific City
The Dalles
Manzanita
Newberg

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/13
Fri 3/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States