Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Portland from $766

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 16/2. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:10 - 20:48
SYD
-
PDX
24h 38m2 stops
Multiple Airlines Logo
17:55 - 11:45
PDX
-
SYD
24h 50m2 stops
$1,399Multiple Airlines
Wed, 20 May - Sun, 27 Sep
Multiple Airlines Logo
06:00 - 16:49
SYD
-
PDX
29h 49m2 stops
Multiple Airlines Logo
21:30 - 12:35
PDX
-
SYD
44h 05m2 stops
$1,473Multiple Airlines
Fri, 6 Feb - Fri, 13 Feb
Multiple Airlines Logo
13:15 - 20:50
SYD
-
PDX
24h 35m2 stops
Multiple Airlines Logo
12:33 - 11:55
PDX
-
SYD
30h 22m2 stops
$1,481Multiple Airlines
Fri, 15 May - Mon, 25 May
Multiple Airlines Logo
06:00 - 20:50
SYD
-
PDX
31h 50m2 stops
Multiple Airlines Logo
10:41 - 11:55
PDX
-
SYD
32h 14m2 stops
$1,482Multiple Airlines
Fri, 15 May - Mon, 25 May
Multiple Airlines Logo
06:00 - 20:50
SYD
-
PDX
31h 50m2 stops
Multiple Airlines Logo
12:33 - 11:55
PDX
-
SYD
30h 22m2 stops
$1,487Multiple Airlines
Fri, 15 May - Mon, 25 May
Hawaiian Airlines Logo
21:40 - 06:00
SYD
-
PDX
27h 20m2 stops
Hawaiian Airlines Logo
10:34 - 19:45
PDX
-
SYD
38h 11m2 stops
$1,538Hawaiian Airlines
Tue, 3 Feb - Tue, 10 Feb
Hawaiian Airlines Logo
21:40 - 05:31
SYD
-
PDX
26h 51m1 stop
Hawaiian Airlines Logo
13:38 - 19:45
PDX
-
SYD
35h 07m2 stops
$1,568Hawaiian Airlines
Tue, 3 Feb - Tue, 10 Feb
Multiple Airlines Logo
14:00 - 16:49
SYD
-
PDX
21h 49m2 stops
Multiple Airlines Logo
14:30 - 12:35
PDX
-
SYD
27h 05m2 stops
$1,584Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
14:00 - 20:34
SYD
-
PDX
25h 34m2 stops
Multiple Airlines Logo
14:30 - 12:35
PDX
-
SYD
27h 05m2 stops
$1,590Multiple Airlines
Sat, 7 Feb - Sat, 14 Feb
Alaska Airlines Logo
20:45 - 06:20
SYD
-
PDX
26h 35m1 stop
Alaska Airlines Logo
17:50 - 18:50
PDX
-
SYD
32h 00m1 stop
$1,609Alaska Airlines
Thu, 21 May - Tue, 29 Sep

Hawaiian Airlines flights from Sydney to Portland

Our best Hawaiian Airlines deals on Sydney to Portland flight tickets
Hawaiian Airlines
3 Feb
SYD21:40Sydney Kingsford Smith
27h 20m
2 stops
PDX06:00Portland
10 Feb
PDX10:34Portland
38h 11m
2 stops
SYD19:45Sydney Kingsford Smith
$1,538
Find similar
Hawaiian Airlines
3 Feb
SYD21:40Sydney Kingsford Smith
26h 51m
1 stop
PDX05:31Portland
10 Feb
PDX13:38Portland
35h 07m
2 stops
SYD19:45Sydney Kingsford Smith
$1,568
Find similar
Hawaiian Airlines
6 Feb
SYD21:40Sydney Kingsford Smith
26h 51m
1 stop
PDX05:31Portland
13 Feb
PDX17:30Portland
31h 15m
1 stop
SYD19:45Sydney Kingsford Smith
$1,752
Find similar

Alaska Airlines flights from Sydney to Portland

Our best Alaska Airlines deals on Sydney to Portland flight tickets
Alaska Airlines
21 May
SYD20:45Sydney Kingsford Smith
26h 35m
1 stop
PDX06:20Portland
29 Sept
PDX17:50Portland
32h 00m
1 stop
SYD18:50Sydney Kingsford Smith
$1,609
Find similar
Alaska Airlines
21 May
SYD20:45Sydney Kingsford Smith
16h 55m
1 stop
PDX20:40Portland
28 Sept
PDX07:20Portland
18h 30m
1 stop
SYD18:50Sydney Kingsford Smith
$1,699
Find similar
Alaska Airlines
16 May
SYD20:45Sydney Kingsford Smith
26h 35m
1 stop
PDX06:20Portland
24 Sept
PDX17:50Portland
32h 00m
1 stop
SYD18:50Sydney Kingsford Smith
$1,702
Find similar

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 24 December 2025.
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

Wed 20/5

13:10-20:48

2 stops24h 38m

Portland

Sun 27/9

17:55-11:45

2 stops24h 50m

$1,399

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 6/2

06:00-16:49

2 stops29h 49m

Portland

Fri 13/2

21:30-12:35

2 stops44h 05m

$1,473

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

13:15-20:50

2 stops24h 35m

Portland

Mon 25/5

12:33-11:55

2 stops30h 22m

$1,481

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

06:00-20:50

2 stops31h 50m

Portland

Mon 25/5

10:41-11:55

2 stops32h 14m

$1,482

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

06:00-20:50

2 stops31h 50m

Portland

Mon 25/5

12:33-11:55

2 stops30h 22m

$1,487

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/2

21:40-06:00

2 stops27h 20m

Portland

Tue 10/2

10:34-19:45

2 stops38h 11m

$1,538

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/2

21:40-05:31

1 stop26h 51m

Portland

Tue 10/2

13:38-19:45

2 stops35h 07m

$1,568

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/2

14:00-16:49

2 stops21h 49m

Portland

Thu 12/2

14:30-12:35

2 stops27h 05m

$1,584

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 7/2

14:00-20:34

2 stops25h 34m

Portland

Sat 14/2

14:30-12:35

2 stops27h 05m

$1,590

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 21/5

20:45-06:20

1 stop26h 35m

Portland

Tue 29/9

17:50-18:50

1 stop32h 00m

$1,609

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 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 $1,250, 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 $1,423.

What is the cheapest day to depart on your flight to Portland?

On average, the least expensive day to fly to Portland from Sydney is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,405. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,814.

What is the cheapest time of day to depart on your flight to Portland?

Flying to Portland from Sydney at midday is the least expensive time of day to depart. momondo users have found prices as low as $1,307 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,577. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,628 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 $1,261 on momondo.

Can stopping save me money on Sydney to Portland flights?

You could potentially save up to 24% 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 December 2025, prices for Sydney to Portland flights are approximately 20% 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

22h 20m

Direct flights

None
The fastest flight from Sydney to Portland takes 22h 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?

    The distance between Sydney Kingsford Smith and Portland is about 12333.8 km. By plane, this route typically takes 22h 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 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
Air CanadaPriceFrom $1,174Free cancellationRating
7.1
10,555 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,183Free cancellationRating
7.4
9,116 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $1,196Free cancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $1,229Free cancellationRating
8.0
11,528 reviews
Search Alaska Airlines flights
Virgin AustraliaPriceFrom $1,292Free cancellationRating
7.6
429 reviews
Search Virgin Australia flights
Qantas AirwaysPriceFrom $1,349Free cancellationRating
7.5
952 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,411Free cancellationRating
8.0
557 reviews
Search Air New Zealand flights
DeltaPriceFrom $1,517Free cancellationRating
7.9
8,011 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 23/1
Fri 30/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

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
Air New Zealand
Delta
Alaska Airlines
Virgin Australia