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Cheap flights from Sydney to Portland from $621

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 5/1. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:20 am - 9:30 am
SYD
-
PDX
17h 10m
1 stop
Air Canada Logo
10:10 am - 7:20 am
PDX
-
SYD
28h 10m
1 stop
$921Air Canada
Tue, May 5 - Tue, May 12
Air Canada Logo
9:20 am - 2:45 pm
SYD
-
PDX
22h 25m
1 stop
Air Canada Logo
7:45 pm - 7:20 am
PDX
-
SYD
18h 35m
1 stop
$922Air Canada
Mon, May 4 - Mon, May 11
Air Canada Logo
9:20 am - 9:30 am
SYD
-
PDX
17h 10m
1 stop
Air Canada Logo
10:10 am - 7:20 am
PDX
-
SYD
28h 10m
1 stop
$924Air Canada
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
1:15 pm - 8:35 pm
SYD
-
PDX
24h 20m
2 stops
Multiple Airlines Logo
5:49 pm - 11:50 am
PDX
-
SYD
25h 01m
2 stops
$931Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
6:00 am - 9:30 am
SYD
-
PDX
20h 30m
2 stops
Multiple Airlines Logo
3:30 pm - 7:20 am
PDX
-
SYD
22h 50m
1 stop
$933Multiple Airlines
Wed, May 6 - Wed, May 13
Air Canada Logo
9:20 am - 7:05 pm
SYD
-
PDX
26h 45m
1 stop
Air Canada Logo
10:10 am - 12:40 pm
PDX
-
SYD
33h 30m
2 stops
$943Air Canada
Mon, May 4 - Mon, May 11
Air Canada Logo
7:00 am - 9:30 am
SYD
-
PDX
19h 30m
2 stops
Air Canada Logo
7:45 pm - 7:20 am
PDX
-
SYD
18h 35m
1 stop
$944Air Canada
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
1:15 pm - 8:48 pm
SYD
-
PDX
24h 33m
2 stops
Multiple Airlines Logo
5:40 pm - 11:50 am
PDX
-
SYD
25h 10m
2 stops
$949Multiple Airlines
Sun, Sep 6 - Sat, Sep 19
Air Canada Logo
9:20 am - 2:51 pm
SYD
-
PDX
22h 31m
1 stop
Air Canada Logo
10:10 am - 7:20 am
PDX
-
SYD
28h 10m
1 stop
$951Air Canada
Thu, Sep 3 - Wed, Sep 16
Multiple Airlines Logo
6:00 am - 9:30 am
SYD
-
PDX
20h 30m
2 stops
Multiple Airlines Logo
3:30 pm - 10:40 am
PDX
-
SYD
26h 10m
2 stops
$955Multiple Airlines
Wed, May 6 - Wed, May 13

Qantas Airways flights from Sydney to Portland

Our best Qantas Airways deals on Sydney to Portland flight tickets
Qantas Airways
Apr 18
SYD4:30 pmSydney Kingsford Smith
22h 05m
2 stops
PDX9:35 pmPortland
May 2
PDX1:09 pmPortland
24h 56m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,154
Qantas Airways
Apr 18
SYD10:00 pmSydney Kingsford Smith
40h 35m
2 stops
PDX9:35 pmPortland
May 8
PDX1:09 pmPortland
24h 56m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,164

Air Canada flights from Sydney to Portland

Our best Air Canada deals on Sydney to Portland flight tickets
Air Canada
May 5
SYD9:20 amSydney Kingsford Smith
17h 10m
1 stop
PDX9:30 amPortland
May 12
PDX10:10 amPortland
28h 10m
1 stop
SYD7:20 amSydney Kingsford Smith
$921
Air Canada
May 4
SYD9:20 amSydney Kingsford Smith
22h 25m
1 stop
PDX2:45 pmPortland
May 11
PDX7:45 pmPortland
18h 35m
1 stop
SYD7:20 amSydney Kingsford Smith
$922
Air Canada
May 6
SYD9:20 amSydney Kingsford Smith
17h 10m
1 stop
PDX9:30 amPortland
May 13
PDX10:10 amPortland
28h 10m
1 stop
SYD7:20 amSydney Kingsford Smith
$924

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 March 25, 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

Tue 5/5

9:20 am-9:30 am

1 stop17h 10m

Portland

Tue 5/12

10:10 am-7:20 am

1 stop28h 10m

$921

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 5/4

9:20 am-2:45 pm

1 stop22h 25m

Portland

Mon 5/11

7:45 pm-7:20 am

1 stop18h 35m

$922

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 5/6

9:20 am-9:30 am

1 stop17h 10m

Portland

Wed 5/13

10:10 am-7:20 am

1 stop28h 10m

$924

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 5/5

1:15 pm-8:35 pm

2 stops24h 20m

Portland

Tue 5/12

5:49 pm-11:50 am

2 stops25h 01m

$931

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 5/6

6:00 am-9:30 am

2 stops20h 30m

Portland

Wed 5/13

3:30 pm-7:20 am

1 stop22h 50m

$933

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 5/4

9:20 am-7:05 pm

1 stop26h 45m

Portland

Mon 5/11

10:10 am-12:40 pm

2 stops33h 30m

$943
Quickest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 5/5

7:00 am-9:30 am

2 stops19h 30m

Portland

Tue 5/12

7:45 pm-7:20 am

1 stop18h 35m

$944

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 9/6

1:15 pm-8:48 pm

2 stops24h 33m

Portland

Sat 9/19

5:40 pm-11:50 am

2 stops25h 10m

$949

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 9/3

9:20 am-2:51 pm

1 stop22h 31m

Portland

Wed 9/16

10:10 am-7:20 am

1 stop28h 10m

$951

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 5/6

6:00 am-9:30 am

2 stops20h 30m

Portland

Wed 5/13

3:30 pm-10:40 am

2 stops26h 10m

$955

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.

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 $1,029 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 $930 on momondo.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 22% 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 March 2026, prices for Sydney to Portland flights are approximately 33% 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

24h 20m

Direct flights

None
The fastest flight from Sydney to Portland takes 24h 20m
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 24h 20m.

  • 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
Depoe Bay
Beaverton
Hillsboro
Tigard
Hood River
Longview
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific 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

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