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Cheap flights from Sydney to Portland from $791

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
1 Apr — 8 Apr1
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
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 March 2026.

Wed 15/413:15
SYD
-
PDX
2 stops24h 17m
Multiple Airlines
Wed 22/417:51
PDX
-
SYD
2 stops24h 59m
Multiple Airlines
Deal found 1/3$1,377
Fri 15/513:15
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Mon 25/517:40
PDX
-
SYD
2 stops25h 25m
Multiple Airlines
Deal found 1/3$1,429
Wed 15/409:10
SYD
-
PDX
1 stop21h 27m
Qantas Airways
Wed 22/406:00
PDX
-
SYD
1 stop32h 05m
Qantas Airways
Deal found 1/3$1,510
Wed 15/409:15
SYD
-
PDX
2 stops23h 52m
Delta
Wed 22/411:20
PDX
-
SYD
1 stop26h 30m
Delta
Deal found 1/3$1,524
Sun 1/306:00
SYD
-
PDX
2 stops29h 50m
Multiple Airlines
Tue 31/317:49
PDX
-
SYD
2 stops25h 01m
Multiple Airlines
Deal found 27/2$1,532
Mon 13/417:30
SYD
-
PDX
2 stops21h 05m
American Airlines
Mon 20/413:09
PDX
-
SYD
1 stop24h 56m
American Airlines
Deal found 26/2$1,539
Sun 1/310:40
SYD
-
PDX
1 stop24h 30m
Delta
Tue 31/313:10
PDX
-
SYD
1 stop24h 40m
Delta
Deal found 27/2$1,548
Fri 15/509:10
SYD
-
PDX
1 stop20h 29m
American Airlines
Mon 25/515:30
PDX
-
SYD
2 stops22h 35m
American Airlines
Deal found 1/3$1,555
Thu 5/317:45
SYD
-
PDX
1 stop18h 28m
American Airlines
Fri 20/317:38
PDX
-
SYD
1 stop19h 47m
American Airlines
Deal found 1/3$1,559

Find flight deals from Sydney to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 March 2026.

Round-trip from

$1,377

One-way from

$791

Popular in

May

Cheapest in

January

Average price

$1,491
15/4-22/4
  • 15/4-22/4
  • 4 total stops
  • 49h 16m total
  • Sydney to Portland
Search Deals
17/5
  • 17/5
  • 3 total stops
  • 57h 43m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($293 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 2 March 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

Wed 15/4

09:15-16:07

2 stops23h 52m

Portland

Wed 22/4

11:20-06:50

1 stop26h 30m

$1,524

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 13/4

17:30-21:35

2 stops21h 05m

Portland

Mon 20/4

15:28-07:05

2 stops22h 37m

$1,545

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 24/5

09:10-18:09

2 stops25h 59m

Portland

Thu 28/5

13:34-07:05

2 stops24h 31m

$1,578

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 14/4

20:45-20:48

1 stop17h 03m

Portland

Tue 21/4

17:49-18:50

2 stops32h 01m

$1,819

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 27/6

20:45-09:24

2 stops29h 39m

Portland

Sun 5/7

17:32-18:50

1 stop32h 18m

$1,831

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 14/4

20:45-20:48

1 stop17h 03m

Portland

Tue 21/4

10:35-18:50

1 stop39h 15m

$1,848

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 30/3

11:20-09:48

2 stops40h 28m

Portland

Mon 6/4

05:00-07:00

2 stops33h 00m

$2,134

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 15/4

13:15-20:32

2 stops24h 17m

$866

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 1/5

13:15-20:00

2 stops23h 45m

$869

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 25/3

11:20-17:08

1 stop23h 48m

$987

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 15 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a return flight from Sydney to Portland. Price data was last updated on 27 February 2026.

Booking 2 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, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $818). Flying from Sydney to Portland in July is currently the most expensive (average of $1,299). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 2 March 2026.
Read reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines, andQantas Airways 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.
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very Good
11,977 reviews
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Qantas Airways
7.5
Good
1,000 reviews
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,375 reviews
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Air Canada
7.1
Good
10,769 reviews
Alaska Airlines
8.0
Very Good
11,977 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Portland?

    Delta and American Airlines can get you from Sydney to Portland in just under 21h 05m. Your travel time can differ by up to 2h 47m. There are 12350 km between Sydney and Portland. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at $742, 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 Hawaiian Airlines - these airlines can fly you to your destination from $902 and $1,050, respectively. These flights start at 48% 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, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $818). Flying from Sydney to Portland in July is currently the most expensive (average of $1,299). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Sydney to Portland

Discover the top 7 airlines that operate flights from Sydney to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,661FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$902Average$1,550FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,050Average$1,790FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,103Average$1,383FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,154Average$1,718FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Qantas AirwaysCheapest$1,267Average$1,524FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,268Average$1,713FlexibilityNo cancel feeOn-timeN/A
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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