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Cheap flights from Sydney to Portland from $529

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 11/22. 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.
Qantas Airways Logo
9:10 am - 1:25 pmSYD  Sydney Kingsford Smith-PDX Portland
21h 15m1 stop Los Angeles
Qantas Airways Logo
1:53 pm - 7:05 amPDX  Portland-SYD Sydney Kingsford Smith
24h 12m1 stop Los Angeles
$959Qantas Airways
Wed, Aug 26 - Wed, Sep 9
United Airlines Logo
10:20 am - 10:11 amSYD  Sydney Kingsford Smith-PDX Portland
16h 51m1 stop San Francisco
United Airlines Logo
8:17 am - 7:00 amPDX  Portland-SYD Sydney Kingsford Smith
29h 43m2 stops Chicago O'Hare Intl Los Angeles
$1,017United Airlines
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
2:00 pm - 4:27 pmSYD  Sydney Kingsford Smith-PDX Portland
21h 27m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:30 am - 12:35 pmPDX  Portland-SYD Sydney Kingsford Smith
31h 05m2 stops Los Angeles Nadi
$1,085Multiple Airlines
Tue, Jan 19 - Sun, Jan 31
Multiple Airlines Logo
1:15 pm - 10:07 amSYD  Sydney Kingsford Smith-PDX Portland
37h 52m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:30 am - 6:50 pmPDX  Portland-SYD Sydney Kingsford Smith
39h 20m1 stop Honolulu
$1,086Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
2:15 pm - 11:39 amSYD  Sydney Kingsford Smith-PDX Portland
39h 24m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:30 am - 7:45 pmPDX  Portland-SYD Sydney Kingsford Smith
38h 15m1 stop Honolulu
$1,094Multiple Airlines
Fri, Oct 23 - Tue, Nov 24
Multiple Airlines Logo
2:00 pm - 11:39 amSYD  Sydney Kingsford Smith-PDX Portland
39h 39m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:30 am - 7:45 pmPDX  Portland-SYD Sydney Kingsford Smith
38h 15m1 stop Honolulu
$1,105Multiple Airlines
Sun, Oct 25 - Tue, Nov 24
Multiple Airlines Logo
2:15 pm - 11:39 amSYD  Sydney Kingsford Smith-PDX Portland
39h 24m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:45 am - 6:25 amPDX  Portland-SYD Sydney Kingsford Smith
24h 40m1 stop Los Angeles
$1,108Multiple Airlines
Fri, Oct 23 - Thu, Nov 26
Multiple Airlines Logo
2:00 pm - 11:39 amSYD  Sydney Kingsford Smith-PDX Portland
39h 39m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:45 am - 6:25 amPDX  Portland-SYD Sydney Kingsford Smith
24h 40m1 stop Los Angeles
$1,119Multiple Airlines
Sun, Oct 25 - Thu, Nov 26
Multiple Airlines Logo
2:15 pm - 11:39 amSYD  Sydney Kingsford Smith-PDX Portland
39h 24m2 stops Nadi Los Angeles
Multiple Airlines Logo
10:30 am - 7:45 pmPDX  Portland-SYD Sydney Kingsford Smith
38h 15m1 stop Honolulu
$1,121Multiple Airlines
Wed, Oct 21 - Tue, Nov 24
Air Canada Logo
9:20 am - 2:46 pmSYD  Sydney Kingsford Smith-PDX Portland
22h 26m1 stop Vancouver Intl
Air Canada Logo
7:45 pm - 7:20 amPDX  Portland-SYD Sydney Kingsford Smith
18h 35m1 stop Vancouver Intl
$1,123Air Canada
Tue, Sep 15 - Wed, Sep 16

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Qantas Airways flights from Sydney to Portland

Our best Qantas Airways deals on Sydney to Portland flight tickets
Qantas Airways
Aug 26
SYD9:10 amSydney Kingsford Smith
21h 15m
1 stop
PDX1:25 pmPortland
Sep 9
PDX1:53 pmPortland
24h 12m
1 stop
SYD7:05 amSydney Kingsford Smith
$959
Qantas Airways
Aug 12
SYD9:10 amSydney Kingsford Smith
21h 34m
1 stop
PDX1:44 pmPortland
Sep 9
PDX5:55 pmPortland
20h 10m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,012
Qantas Airways
Aug 12
SYD5:50 pmSydney Kingsford Smith
23h 09m
1 stop
PDX11:59 pmPortland
Sep 9
PDX3:33 pmPortland
22h 32m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,013

United Airlines flights from Sydney to Portland

Our best United Airlines deals on Sydney to Portland flight tickets
United Airlines
Aug 26
SYD10:20 amSydney Kingsford Smith
16h 51m
1 stop
PDX10:11 amPortland
Sep 9
PDX8:17 amPortland
29h 43m
2 stops
SYD7:00 amSydney Kingsford Smith
$1,017
United Airlines
Aug 12
SYD9:30 amSydney Kingsford Smith
28h 35m
2 stops
PDX9:05 pmPortland
Sep 9
PDX3:40 pmPortland
22h 15m
1 stop
SYD6:55 amSydney Kingsford Smith
$1,029
United Airlines
Aug 12
SYD9:30 amSydney Kingsford Smith
41h 41m
3 stops
PDX10:11 amPortland
Sep 9
PDX11:15 amPortland
26h 40m
1 stop
SYD6:55 amSydney Kingsford Smith
$1,030

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 August 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

Cheapest round-trip

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 8/26

9:10 am-1:25 pm

1 stop21h 15m

Portland

Wed 9/9

1:53 pm-7:05 am

1 stop24h 12m

$959

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 8/26

10:20 am-10:11 am

1 stop16h 51m

Portland

Wed 9/9

8:17 am-7:00 am

2 stops29h 43m

$1,017

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 1/19

2:00 pm-4:27 pm

2 stops21h 27m

Portland

Sun 1/31

10:30 am-12:35 pm

2 stops31h 05m

$1,085

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 9/9

1:15 pm-10:07 am

2 stops37h 52m

Portland

Tue 9/15

10:30 am-6:50 pm

1 stop39h 20m

$1,086

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Fri 10/23

2:15 pm-11:39 am

2 stops39h 24m

Portland

Tue 11/24

10:30 am-7:45 pm

1 stop38h 15m

$1,094

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Sun 10/25

2:00 pm-11:39 am

2 stops39h 39m

Portland

Tue 11/24

10:30 am-7:45 pm

1 stop38h 15m

$1,105

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Fri 10/23

2:15 pm-11:39 am

2 stops39h 24m

Portland

Thu 11/26

10:45 am-6:25 am

1 stop24h 40m

$1,108

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Sun 10/25

2:00 pm-11:39 am

2 stops39h 39m

Portland

Thu 11/26

10:45 am-6:25 am

1 stop24h 40m

$1,119

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 10/21

2:15 pm-11:39 am

2 stops39h 24m

Portland

Tue 11/24

10:30 am-7:45 pm

1 stop38h 15m

$1,121
Quickest round-trip

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 9/15

9:20 am-2:46 pm

1 stop22h 26m

Portland

Wed 9/16

7:45 pm-7:20 am

1 stop18h 35m

$1,123

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $955 to $1,078.
The lowest price recently found on this route was $959.

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 $829, 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 $905.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 28% 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 August 2026, prices for Sydney to Portland flights are approximately 5% 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

21h 27m

Direct flights

None
The fastest flight from Sydney to Portland takes 21h 27m
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 21h 27m.

  • 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
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

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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