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Cheap flights from Sydney to Portland from $886

SYD — PDX
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Portland

Mon 9/1111:10 -
1 stop18h 40m
Tue 24/1117:45 -
1 stop20h 15m
Deal found 5/11$1,496
Sun 8/1111:15 -
1 stop18h 35m
Mon 23/1117:45 -
1 stop20h 15m
Deal found 4/11$1,547
Mon 9/1114:00 -
2 stops25h 37m
Tue 24/1117:45 -
2 stops23h 50m
Deal found 5/11$1,549
Sat 7/1121:40 -
1 stop18h 09m
Sun 22/1117:47 -
1 stop30h 58m
Deal found 3/11$1,570
Sun 8/1111:50 -
1 stop21h 47m
Mon 23/1109:00 -
2 stops29h 05m
Deal found 4/11$1,576
Mon 9/1111:10 -
1 stop31h 51m
Tue 24/1112:00 -
2 stops26h 00m
Deal found 5/11$1,580
Sat 7/1110:40 -
1 stop18h 34m
Sun 22/1105:30 -
2 stops32h 00m
Deal found 3/11$1,584
Thu 12/1121:40 -
1 stop27h 25m
Mon 16/1107:00 -
1 stop17h 45m
Deal found 2/11$1,637
Mon 16/1111:10 -
1 stop18h 40m
Fri 4/1213:35 -
1 stop21h 50m
Deal found 5/11$1,642
Thu 12/1107:20 -
2 stops25h 24m
Mon 16/1106:51 -
1 stop31h 09m
Deal found 3/11$1,656

Find flight deals from Sydney to Portland

Round-trip from

$1,444

One-way from

$886

Popular in

April

Cheapest in

July

Average price

$1,377
Qantas Airways
  • Qantas Airways
  • 13/2-26/2
  • 2 total stops
  • 41h 26m total
  • Sydney to Portland
Search Deals
1/5-31/12
  • 1/5-31/12
  • 2 total stops
  • 24h 16m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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

Sat 1/5

13:15-18:33

3 stops46h 18m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$917
Fastest return journey

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 26/11

10:40-10:04

1 stop18h 24m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,073

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 26/11

11:20-21:02

3 stops52h 42m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,073

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 8/12

13:20-11:41

2 stops41h 21m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,102

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Sat 27/3

09:40-23:52

2 stops32h 12m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,155

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Sat 27/3

11:50-20:33

1 stop26h 43m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,363

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 23/12

17:20-23:34

2 stops25h 14m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,662

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Tue 1/12

09:15-23:15

1 stop33h 00m

Portland

Tue 8/12

10:43-07:00

2 stops49h 17m

$1,816

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Fri 5/2

11:05-17:43

3 stops25h 38m

Portland

Fri 19/2

11:40-06:25

3 stops23h 45m

$2,399

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 3/12

09:10-18:23

3 stops28h 13m

Portland

Tue 15/12

13:15-09:05

2 stops24h 50m

$2,535

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Sydney with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sydney to Portland

How far ahead should I book a flight from Sydney to Portland?

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Portland?

Currently, July is the cheapest month in which you can book a flight from Sydney to Portland (average of $1,364). Flying from Sydney to Portland in April is currently the most expensive (average of $1,802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to Portland?

Airfare is typical for this route at the moment.

Sydney to Portland flights typically cost between $1,351 and $1,577 in February.
The cheapest return price found within the last 5 days was $1,444 on Qantas Airways (13 Feb–26 Feb).

Reviews of airlines servicing Portland

Read reviews from past customers who have flown with Delta,Qantas Airways, andUnited Airlines from Sydney to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,701 reviews
Check prices

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
Delta
7.8
Good
8,701 reviews
Delta
7.8
Good
8,701 reviews
Check prices

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
Qantas Airways
7.5
Good
1,123 reviews
Delta
7.8
Good
8,701 reviews
Check prices

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
United Airlines
7.3
Good
10,462 reviews
Delta
7.8
Good
8,701 reviews
Check prices

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.
Air Canada
7.1
Good
11,861 reviews
Delta
7.8
Good
8,701 reviews
Check prices

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • How long is the flight from Sydney to Portland?

    United Airlines can get you from Sydney to Portland in just under 33h. Your travel time can differ by up to . There are 12350 km between Sydney and Portland.

  • What are the cheapest airlines flying from Sydney to Portland round-trip?

    Currently priced at $756, Delta will fly you from Sydney to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $918 and $1,225, respectively. These flights start at 51% lower than the current average price 3 months from now.

  • Can I find deals for flights from Sydney to Portland that include hotel bookings?

    Yes. In addition to deals on Sydney to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portland.

  • Can I find deals for business class flights from Sydney to Portland?

    Yes. Cheapflights offers flight deals from Sydney to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Portland?

    Currently, July is the cheapest month in which you can book a flight from Sydney to Portland (average of $1,364). Flying from Sydney to Portland in April is currently the most expensive (average of $1,802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Sydney to Portland

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$756Average$1,690FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$918Average$1,566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,225Average$1,629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,295Average$1,377FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Portland?

Cheapflights helps you search for flights from Sydney to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Portland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to Portland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Sydney today and book when prices fit your budget.

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