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Cheap flights from Sydney to Portland from $561

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 20/3. 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

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Find the cheapest flights from Sydney to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:20 - 14:45
SYD
-
PDX
22h 25m
1 stop
Air Canada Logo
10:10 - 07:20
PDX
-
SYD
28h 10m
1 stop
$1,166Air Canada
Thu, 14 May - Mon, 21 Sep
Air Canada Logo
09:20 - 14:40
SYD
-
PDX
22h 20m
1 stop
Air Canada Logo
09:50 - 07:20
PDX
-
SYD
28h 30m
1 stop
$1,174Air Canada
Thu, 16 Apr - Thu, 30 Apr
Air Canada Logo
06:30 - 14:45
SYD
-
PDX
25h 15m
2 stops
Air Canada Logo
19:45 - 07:20
PDX
-
SYD
18h 35m
1 stop
$1,185Air Canada
Thu, 14 May - Mon, 21 Sep
Air Canada Logo
06:30 - 09:10
SYD
-
PDX
19h 40m
2 stops
Air Canada Logo
09:50 - 07:20
PDX
-
SYD
28h 30m
1 stop
$1,197Air Canada
Thu, 16 Apr - Thu, 30 Apr
Air Canada Logo
11:20 - 14:40
SYD
-
PDX
22h 20m
1 stop
Air Canada Logo
09:50 - 12:40
PDX
-
SYD
32h 50m
2 stops
$1,201Air Canada
Thu, 5 Mar - Thu, 12 Mar
Air Canada Logo
06:30 - 09:30
SYD
-
PDX
20h 00m
2 stops
Air Canada Logo
19:45 - 10:40
PDX
-
SYD
21h 55m
2 stops
$1,214Air Canada
Thu, 14 May - Mon, 21 Sep
Air Canada Logo
08:30 - 09:15
SYD
-
PDX
19h 45m
2 stops
Air Canada Logo
15:15 - 13:40
PDX
-
SYD
28h 25m
2 stops
$1,221Air Canada
Thu, 5 Mar - Thu, 12 Mar
Air Canada Logo
11:20 - 18:30
SYD
-
PDX
26h 10m
1 stop
Air Canada Logo
19:10 - 18:05
PDX
-
SYD
27h 55m
2 stops
$1,225Air Canada
Thu, 5 Mar - Mon, 4 Jan
Air Canada Logo
11:20 - 09:15
SYD
-
PDX
16h 55m
1 stop
Air Canada Logo
15:15 - 08:20
PDX
-
SYD
23h 05m
1 stop
$1,235Air Canada
Sun, 1 Mar - Tue, 31 Mar
Air Canada Logo
09:20 - 14:45
SYD
-
PDX
22h 25m
1 stop
Air Canada Logo
15:25 - 07:20
PDX
-
SYD
22h 55m
1 stop
$1,241Air Canada
Fri, 15 May - Mon, 25 May

Air Canada flights from Sydney to Portland

Our best Air Canada deals on Sydney to Portland flight tickets
Air Canada
10 Feb
SYD11:20Sydney Kingsford Smith
16h 55m
1 stop
PDX09:15Portland
25 Feb
PDX19:05Portland
19h 30m
1 stop
SYD09:35Sydney Kingsford Smith
$1,164
Air Canada
14 May
SYD09:20Sydney Kingsford Smith
22h 25m
1 stop
PDX14:45Portland
21 Sept
PDX10:10Portland
28h 10m
1 stop
SYD07:20Sydney Kingsford Smith
$1,166
Air Canada
16 Apr
SYD09:20Sydney Kingsford Smith
22h 20m
1 stop
PDX14:40Portland
30 Apr
PDX09:50Portland
28h 30m
1 stop
SYD07:20Sydney Kingsford Smith
$1,174

American Airlines flights from Sydney to Portland

Our best American Airlines deals on Sydney to Portland flight tickets
American Airlines
9 Feb
SYD11:20Sydney Kingsford Smith
25h 32m
1 stop
PDX17:52Portland
24 Feb
PDX15:10Portland
22h 50m
2 stops
SYD09:00Sydney Kingsford Smith
$1,335
American Airlines
28 Feb
SYD11:20Sydney Kingsford Smith
24h 53m
1 stop
PDX17:13Portland
1 Apr
PDX17:38Portland
20h 27m
1 stop
SYD08:05Sydney Kingsford Smith
$1,413
American Airlines
28 Feb
SYD11:20Sydney Kingsford Smith
24h 53m
1 stop
PDX17:13Portland
1 Apr
PDX17:38Portland
20h 27m
1 stop
SYD08:05Sydney Kingsford Smith
$1,421

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 8 February 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

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 14/5

09:20-14:45

1 stop22h 25m

Portland

Mon 21/9

10:10-07:20

1 stop28h 10m

$1,166

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 16/4

09:20-14:40

1 stop22h 20m

Portland

Thu 30/4

09:50-07:20

1 stop28h 30m

$1,174

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 14/5

06:30-14:45

2 stops25h 15m

Portland

Mon 21/9

19:45-07:20

1 stop18h 35m

$1,185

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 16/4

06:30-09:10

2 stops19h 40m

Portland

Thu 30/4

09:50-07:20

1 stop28h 30m

$1,197

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/3

11:20-14:40

1 stop22h 20m

Portland

Thu 12/3

09:50-12:40

2 stops32h 50m

$1,201

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 14/5

06:30-09:30

2 stops20h 00m

Portland

Mon 21/9

19:45-10:40

2 stops21h 55m

$1,214

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/3

08:30-09:15

2 stops19h 45m

Portland

Thu 12/3

15:15-13:40

2 stops28h 25m

$1,221

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/3

11:20-18:30

1 stop26h 10m

Portland

Mon 4/1

19:10-18:05

2 stops27h 55m

$1,225

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 1/3

11:20-09:15

1 stop16h 55m

Portland

Tue 31/3

15:15-08:20

1 stop23h 05m

$1,235

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

09:20-14:45

1 stop22h 25m

Portland

Mon 25/5

15:25-07:20

1 stop22h 55m

$1,241

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 October. Flight prices, which tend to average around $1,191, 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 October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,358.

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 $1,520 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Sydney for as low as $1,201 on momondo.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 42% 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 February 2026, prices for Sydney to Portland flights are approximately 11% 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

16h 55m

Direct flights

None
The fastest flight from Sydney to Portland takes 16h 55m
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?

    The distance between Sydney Kingsford Smith and Portland is about 12333.8 km. By plane, this route typically takes 16h 55m.

  • 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
Hawaiian AirlinesPriceFrom $749Free cancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,091Free cancellationRating
7.1
10,697 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,126Free cancellationRating
7.4
9,246 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $1,170Free cancellationRating
8.0
11,849 reviews
Search Alaska Airlines flights
Qantas AirwaysPriceFrom $1,285Free cancellationRating
7.5
988 reviews
Search Qantas Airways flights
DeltaPriceFrom $1,445Free cancellationRating
7.9
8,168 reviews
Search Delta 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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Fly your favourite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Air Canada
Qantas Airways
Hawaiian Airlines
Alaska Airlines
Delta