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Cheap flights from Sydney to Portland from $661

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 11/12. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Sydney to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:15 pm - 11:59 pm
SYD
-
PDX
27h 44m
2 stops
Multiple Airlines Logo
1:53 pm - 11:50 am
PDX
-
SYD
28h 57m
2 stops
$891Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
American Airlines Logo
9:10 am - 11:59 pm
SYD
-
PDX
31h 49m
1 stop
American Airlines Logo
1:38 pm - 6:55 am
PDX
-
SYD
24h 17m
1 stop
$955American Airlines
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
9:40 pm - 6:05 am
SYD
-
PDX
27h 25m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 pm
PDX
-
SYD
17h 45m
1 stop
$961Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
9:40 pm - 6:05 am
SYD
-
PDX
27h 25m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 pm
PDX
-
SYD
17h 45m
1 stop
$962Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
9:40 pm - 6:05 am
SYD
-
PDX
27h 25m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 pm
PDX
-
SYD
17h 45m
1 stop
$963Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Alaska Airlines Logo
8:45 pm - 6:11 am
SYD
-
PDX
26h 26m
1 stop
Alaska Airlines Logo
5:32 pm - 6:50 pm
PDX
-
SYD
32h 18m
1 stop
$969Alaska Airlines
Sun, Jul 19 - Sun, Jul 26
American Airlines Logo
12:00 pm - 6:59 pm
SYD
-
PDX
23h 59m
1 stop
American Airlines Logo
6:30 am - 7:05 am
PDX
-
SYD
31h 35m
1 stop
$973American Airlines
Wed, Aug 12 - Wed, Sep 9
Alaska Airlines Logo
8:45 pm - 8:50 pm
SYD
-
PDX
17h 05m
1 stop
Alaska Airlines Logo
5:32 pm - 6:50 pm
PDX
-
SYD
32h 18m
1 stop
$974Alaska Airlines
Fri, Aug 7 - Sun, Aug 16
American Airlines Logo
11:15 am - 10:25 pm
SYD
-
PDX
30h 10m
1 stop
American Airlines Logo
1:47 pm - 10:55 am
PDX
-
SYD
26h 08m
2 stops
$975American Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
12:00 pm - 10:51 pm
SYD
-
PDX
27h 51m
1 stop
American Airlines Logo
6:35 am - 7:05 am
PDX
-
SYD
31h 30m
1 stop
$976American Airlines
Mon, Jul 27 - Sun, Aug 9

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Delta flights from Sydney to Portland

Our best Delta deals on Sydney to Portland flight tickets
Delta
Aug 12
SYD9:15 amSydney Kingsford Smith
27h 29m
2 stops
PDX7:44 pmPortland
Sep 9
PDX9:44 amPortland
28h 06m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,008
Delta
Aug 12
SYD9:15 amSydney Kingsford Smith
17h 36m
1 stop
PDX9:51 amPortland
Sep 9
PDX3:21 pmPortland
22h 29m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,009
Delta
Jul 20
SYD9:15 amSydney Kingsford Smith
24h 19m
1 stop
PDX4:34 pmPortland
Jul 27
PDX6:30 amPortland
31h 20m
1 stop
SYD6:50 amSydney Kingsford Smith
$1,010

American Airlines flights from Sydney to Portland

Our best American Airlines deals on Sydney to Portland flight tickets
American Airlines
Aug 24
SYD9:10 amSydney Kingsford Smith
31h 49m
1 stop
PDX11:59 pmPortland
Aug 30
PDX1:38 pmPortland
24h 17m
1 stop
SYD6:55 amSydney Kingsford Smith
$955
American Airlines
Aug 12
SYD12:00 pmSydney Kingsford Smith
23h 59m
1 stop
PDX6:59 pmPortland
Sep 9
PDX6:30 amPortland
31h 35m
1 stop
SYD7:05 amSydney Kingsford Smith
$972
American Airlines
Aug 12
SYD12:00 pmSydney Kingsford Smith
23h 59m
1 stop
PDX6:59 pmPortland
Sep 9
PDX6:30 amPortland
31h 35m
1 stop
SYD7:05 amSydney Kingsford Smith
$973

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 June 23, 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

Cheapest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 8/24

1:15 pm-11:59 pm

2 stops27h 44m

Portland

Sun 8/30

1:53 pm-11:50 am

2 stops28h 57m

$891

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 8/24

9:10 am-11:59 pm

1 stop31h 49m

Portland

Sun 8/30

1:38 pm-6:55 am

1 stop24h 17m

$955
Quickest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/12

9:40 pm-6:05 am

1 stop27h 25m

Portland

Mon 11/16

7:00 am-7:45 pm

1 stop17h 45m

$961

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/12

9:40 pm-6:05 am

1 stop27h 25m

Portland

Mon 11/16

7:00 am-7:45 pm

1 stop17h 45m

$962

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/12

9:40 pm-6:05 am

1 stop27h 25m

Portland

Mon 11/16

7:00 am-7:45 pm

1 stop17h 45m

$963

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 7/19

8:45 pm-6:11 am

1 stop26h 26m

Portland

Sun 7/26

5:32 pm-6:50 pm

1 stop32h 18m

$969

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 8/12

12:00 pm-6:59 pm

1 stop23h 59m

Portland

Wed 9/9

6:30 am-7:05 am

1 stop31h 35m

$973

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 8/7

8:45 pm-8:50 pm

1 stop17h 05m

Portland

Sun 8/16

5:32 pm-6:50 pm

1 stop32h 18m

$974

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/12

11:15 am-10:25 pm

1 stop30h 10m

Portland

Mon 11/16

1:47 pm-10:55 am

2 stops26h 08m

$975

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 7/27

12:00 pm-10:51 pm

1 stop27h 51m

Portland

Sun 8/9

6:35 am-7:05 am

1 stop31h 30m

$976

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 November. Flight prices, which tend to average around $806, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until January to fly from Sydney, when ticket prices are also cheap, with an average price of $829.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 40% 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 June 2026, prices for Sydney to Portland flights are approximately 8% 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

17h 05m

Direct flights

None
The fastest flight from Sydney to Portland takes 17h 05m
There are no direct flights from Sydney to Portland. There are no popular flight routes from Sydney to Portland.
Search flight deals

Frequently asked questions about flying from Sydney to Portland

  • 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 05m.

  • 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
Rockaway Beach
Beaverton
Hillsboro
Depoe Bay
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
The Dalles
Kelso

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

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