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Cheap flights from Sydney to Portland from $749

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 22/11. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
09:10 - 13:25SYD  Sydney Kingsford Smith-PDX Portland
21h 15m1 stop Los Angeles Los Angeles
Qantas Airways Logo
13:53 - 07:05PDX  Portland-SYD Sydney Kingsford Smith
24h 12m1 stop Los Angeles Los Angeles
$1,358Qantas Airways
Wed, 26 Aug - Wed, 9 Sep
United Airlines Logo
10:20 - 15:05SYD  Sydney Kingsford Smith-PDX Portland
21h 45m2 stops San Francisco Denver Intl
United Airlines Logo
10:50 - 06:55PDX  Portland-SYD Sydney Kingsford Smith
27h 05m2 stops Denver Intl San Francisco
$1,440United Airlines
Wed, 26 Aug - Wed, 9 Sep
United Airlines Logo
09:30 - 15:05SYD  Sydney Kingsford Smith-PDX Portland
22h 35m2 stops Los Angeles Los Angeles Denver Intl
United Airlines Logo
10:50 - 06:55PDX  Portland-SYD Sydney Kingsford Smith
27h 05m2 stops Denver Intl San Francisco
$1,440United Airlines
Wed, 26 Aug - Wed, 9 Sep
Multiple Airlines Logo
14:00 - 16:27SYD  Sydney Kingsford Smith-PDX Portland
21h 27m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
10:30 - 12:35PDX  Portland-SYD Sydney Kingsford Smith
31h 05m2 stops Los Angeles Los Angeles Nadi
$1,536Multiple Airlines
Tue, 19 Jan - Sun, 31 Jan
Multiple Airlines Logo
13:15 - 10:07SYD  Sydney Kingsford Smith-PDX Portland
37h 52m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
10:30 - 18:50PDX  Portland-SYD Sydney Kingsford Smith
39h 20m1 stop Honolulu
$1,538Multiple Airlines
Wed, 9 Sep - Tue, 15 Sep
Air Canada Logo
09:20 - 14:46SYD  Sydney Kingsford Smith-PDX Portland
22h 26m1 stop Vancouver Intl
Air Canada Logo
19:45 - 07:20PDX  Portland-SYD Sydney Kingsford Smith
18h 35m1 stop Vancouver Intl
$1,590Air Canada
Tue, 15 Sep - Wed, 16 Sep
Air Canada Logo
07:00 - 09:31SYD  Sydney Kingsford Smith-PDX Portland
19h 31m2 stops Brisbane Vancouver Intl
Air Canada Logo
19:45 - 07:20PDX  Portland-SYD Sydney Kingsford Smith
18h 35m1 stop Vancouver Intl
$1,607Air Canada
Tue, 15 Sep - Wed, 16 Sep
Qantas Airways Logo
11:20 - 13:26SYD  Sydney Kingsford Smith-PDX Portland
21h 06m1 stop Los Angeles Los Angeles
Qantas Airways Logo
14:30 - 06:25PDX  Portland-SYD Sydney Kingsford Smith
20h 55m1 stop Los Angeles Los Angeles
$1,654Qantas Airways
Tue, 19 Jan - Sun, 31 Jan
Delta Logo
09:15 - 17:10SYD  Sydney Kingsford Smith-PDX Portland
24h 55m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl
Delta Logo
09:46 - 06:50PDX  Portland-SYD Sydney Kingsford Smith
28h 04m2 stops Salt Lake City Los Angeles Los Angeles
$1,661Delta
Tue, 22 Sep - Tue, 29 Sep
Delta Logo
09:40 - 12:08SYD  Sydney Kingsford Smith-PDX Portland
20h 28m1 stop Los Angeles Los Angeles
Delta Logo
17:47 - 08:30PDX  Portland-SYD Sydney Kingsford Smith
43h 43m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles
$1,662Delta
Tue, 27 Oct - Sat, 21 Nov

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American Airlines flights from Sydney to Portland

Our best American Airlines deals on Sydney to Portland flight tickets
American Airlines
12 Aug
SYD09:10Sydney Kingsford Smith
24h 41m
2 stops
PDX16:51Portland
19 Aug
PDX06:35Portland
31h 30m
1 stop
SYD07:05Sydney Kingsford Smith
$1,369
American Airlines
17 Aug
SYD09:10Sydney Kingsford Smith
31h 49m
1 stop
PDX23:59Portland
30 Aug
PDX13:38Portland
24h 27m
2 stops
SYD07:05Sydney Kingsford Smith
$1,416
American Airlines
15 Aug
SYD09:10Sydney Kingsford Smith
31h 49m
1 stop
PDX23:59Portland
30 Aug
PDX15:00Portland
23h 05m
2 stops
SYD07:05Sydney Kingsford Smith
$1,437

Air Canada flights from Sydney to Portland

Our best Air Canada deals on Sydney to Portland flight tickets
Air Canada
15 Sept
SYD09:20Sydney Kingsford Smith
22h 26m
1 stop
PDX14:46Portland
16 Sept
PDX19:45Portland
18h 35m
1 stop
SYD07:20Sydney Kingsford Smith
$1,590
Air Canada
15 Sept
SYD07:00Sydney Kingsford Smith
19h 31m
2 stops
PDX09:31Portland
16 Sept
PDX19:45Portland
18h 35m
1 stop
SYD07:20Sydney Kingsford Smith
$1,607
Air Canada
17 Sept
SYD09:20Sydney Kingsford Smith
17h 11m
1 stop
PDX09:31Portland
24 Sept
PDX19:45Portland
18h 35m
1 stop
SYD07:20Sydney Kingsford Smith
$1,627

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 11 August 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 return flight

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 26/8

09:10-13:25

1 stop21h 15m

Portland

Wed 9/9

13:53-07:05

1 stop24h 12m

$1,358

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 26/8

10:20-15:05

2 stops21h 45m

Portland

Wed 9/9

10:50-06:55

2 stops27h 05m

$1,440

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 26/8

09:30-15:05

2 stops22h 35m

Portland

Wed 9/9

10:50-06:55

2 stops27h 05m

$1,440

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 19/1

14:00-16:27

2 stops21h 27m

Portland

Sun 31/1

10:30-12:35

2 stops31h 05m

$1,536

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 9/9

13:15-10:07

2 stops37h 52m

Portland

Tue 15/9

10:30-18:50

1 stop39h 20m

$1,538

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 15/9

09:20-14:46

1 stop22h 26m

Portland

Wed 16/9

19:45-07:20

1 stop18h 35m

$1,590
Fastest return journey

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 15/9

07:00-09:31

2 stops19h 31m

Portland

Wed 16/9

19:45-07:20

1 stop18h 35m

$1,607

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 19/1

11:20-13:26

1 stop21h 06m

Portland

Sun 31/1

14:30-06:25

1 stop20h 55m

$1,654

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 22/9

09:15-17:10

2 stops24h 55m

Portland

Tue 29/9

09:46-06:50

2 stops28h 04m

$1,661

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 27/10

09:40-12:08

1 stop20h 28m

Portland

Sat 21/11

17:47-08:30

2 stops43h 43m

$1,662

Flights are sorted by cheapest return 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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,352 to $1,526.
The lowest price recently found on this route was $1,358.

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 $1,174, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,282.

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 return 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

18h 09m

Direct flights

None
The fastest flight from Sydney to Portland takes 18h 09m
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?

    The distance between Sydney Kingsford Smith and Portland is about 12333.8 km. By plane, this route typically takes 18h 09m.

  • 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 refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Portland Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 licence 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.

  • What is the most popular airline from Sydney to Portland?

Best airlines flying from Sydney to Portland

Compare and see reviews for airlines that fly from Sydney to Portland with momondo
Airline
Rating
Free cancellation
Price
DeltaPriceFrom $748Free cancellationRating
7.8
8,506 reviews
Search Delta flights
United AirlinesPriceFrom $908Free cancellationRating
7.4
10,103 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,112Free cancellationRating
7.1
11,461 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,281Free cancellationRating
7.5
1,081 reviews
Search Qantas Airways flights

Why use momondo?

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

It is quick and easy to find Sydney to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

momondo does allow users to show only those flights to Portland from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Sydney to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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Air Canada
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Qantas Airways