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Cheap flights from Sydney to Portland from $825

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 10/8. 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.
Multiple Airlines Logo
21:40 - 06:05
SYD
-
PDX
27h 25m
1 stop
Multiple Airlines Logo
07:00 - 19:45
PDX
-
SYD
17h 45m
1 stop
$1,382Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
American Airlines Logo
12:00 - 18:59
SYD
-
PDX
23h 59m
1 stop
American Airlines Logo
06:30 - 07:05
PDX
-
SYD
31h 35m
1 stop
$1,389American Airlines
Wed, 12 Aug - Wed, 9 Sep
Alaska Airlines Logo
20:45 - 06:19
SYD
-
PDX
27h 34m
1 stop
Alaska Airlines Logo
10:30 - 18:50
PDX
-
SYD
38h 20m
1 stop
$1,390Alaska Airlines
Thu, 15 Oct - Sun, 18 Oct
Alaska Airlines Logo
20:45 - 06:19
SYD
-
PDX
27h 34m
1 stop
Alaska Airlines Logo
10:30 - 18:50
PDX
-
SYD
38h 20m
1 stop
$1,392Alaska Airlines
Thu, 15 Oct - Sun, 18 Oct
Multiple Airlines Logo
21:40 - 06:05
SYD
-
PDX
27h 25m
1 stop
Multiple Airlines Logo
07:00 - 19:45
PDX
-
SYD
17h 45m
1 stop
$1,393Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
American Airlines Logo
12:00 - 18:59
SYD
-
PDX
23h 59m
1 stop
American Airlines Logo
06:30 - 07:05
PDX
-
SYD
31h 35m
1 stop
$1,396American Airlines
Wed, 12 Aug - Wed, 9 Sep
Alaska Airlines Logo
20:45 - 20:50
SYD
-
PDX
17h 05m
1 stop
Alaska Airlines Logo
17:32 - 18:50
PDX
-
SYD
32h 18m
1 stop
$1,398Alaska Airlines
Fri, 7 Aug - Sun, 16 Aug
American Airlines Logo
11:15 - 22:25
SYD
-
PDX
30h 10m
1 stop
American Airlines Logo
13:47 - 10:55
PDX
-
SYD
26h 08m
2 stops
$1,399American Airlines
Thu, 12 Nov - Mon, 16 Nov
American Airlines Logo
12:00 - 18:59
SYD
-
PDX
23h 59m
1 stop
American Airlines Logo
06:30 - 07:05
PDX
-
SYD
31h 35m
1 stop
$1,406American Airlines
Wed, 12 Aug - Wed, 9 Sep
American Airlines Logo
12:00 - 18:59
SYD
-
PDX
23h 59m
1 stop
American Airlines Logo
06:30 - 07:05
PDX
-
SYD
31h 35m
1 stop
$1,409American Airlines
Wed, 12 Aug - Wed, 9 Sep

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United Airlines flights from Sydney to Portland

Our best United Airlines deals on Sydney to Portland flight tickets
United Airlines
12 Aug
SYD09:30Sydney Kingsford Smith
25h 49m
3 stops
PDX18:19Portland
9 Sept
PDX10:50Portland
27h 10m
2 stops
SYD07:00Sydney Kingsford Smith
$1,486
United Airlines
12 Aug
SYD09:30Sydney Kingsford Smith
25h 49m
3 stops
PDX18:19Portland
9 Sept
PDX10:50Portland
27h 10m
2 stops
SYD07:00Sydney Kingsford Smith
$1,490

Alaska Airlines flights from Sydney to Portland

Our best Alaska Airlines deals on Sydney to Portland flight tickets
Alaska Airlines
15 Oct
SYD20:45Sydney Kingsford Smith
27h 34m
1 stop
PDX06:19Portland
18 Oct
PDX10:30Portland
38h 20m
1 stop
SYD18:50Sydney Kingsford Smith
$1,390
Alaska Airlines
15 Oct
SYD20:45Sydney Kingsford Smith
27h 34m
1 stop
PDX06:19Portland
18 Oct
PDX10:30Portland
38h 20m
1 stop
SYD18:50Sydney Kingsford Smith
$1,392
Alaska Airlines
7 Aug
SYD20:45Sydney Kingsford Smith
17h 05m
1 stop
PDX20:50Portland
16 Aug
PDX17:32Portland
32h 18m
1 stop
SYD18:50Sydney Kingsford Smith
$1,398

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 27 June 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
Fastest return journey

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 12/11

21:40-06:05

1 stop27h 25m

Portland

Mon 16/11

07:00-19:45

1 stop17h 45m

$1,382

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

12:00-18:59

1 stop23h 59m

Portland

Wed 9/9

06:30-07:05

1 stop31h 35m

$1,389

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 15/10

20:45-06:19

1 stop27h 34m

Portland

Sun 18/10

10:30-18:50

1 stop38h 20m

$1,390

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 15/10

20:45-06:19

1 stop27h 34m

Portland

Sun 18/10

10:30-18:50

1 stop38h 20m

$1,392

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 12/11

21:40-06:05

1 stop27h 25m

Portland

Mon 16/11

07:00-19:45

1 stop17h 45m

$1,393

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

12:00-18:59

1 stop23h 59m

Portland

Wed 9/9

06:30-07:05

1 stop31h 35m

$1,396

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 7/8

20:45-20:50

1 stop17h 05m

Portland

Sun 16/8

17:32-18:50

1 stop32h 18m

$1,398

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 12/11

11:15-22:25

1 stop30h 10m

Portland

Mon 16/11

13:47-10:55

2 stops26h 08m

$1,399

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

12:00-18:59

1 stop23h 59m

Portland

Wed 9/9

06:30-07:05

1 stop31h 35m

$1,406

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

12:00-18:59

1 stop23h 59m

Portland

Wed 9/9

06:30-07:05

1 stop31h 35m

$1,409

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?

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 $1,168, 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 November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,202.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 2% 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 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

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?

    The distance between Sydney Kingsford Smith and Portland is about 12333.8 km. By plane, this route typically takes 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 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 $765Free cancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $929Free cancellationRating
7.4
9,895 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,138Free cancellationRating
7.1
11,267 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $1,191Free cancellationRating
7.9
12,581 reviews
Search Alaska Airlines flights
Qantas AirwaysPriceFrom $1,312Free cancellationRating
7.5
1,050 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
United Airlines
Air Canada
Delta
Qantas Airways
Alaska Airlines