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Cheap flights from Sydney to Portland from $825

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
10 Jul — 17 Jul1
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 10 June 2026.

Thu 16/709:20
SYD
-
PDX
1 stop17h 11m
Air Canada
Mon 3/819:45
PDX
-
SYD
2 stops21h 55m
Air Canada
Deal found 8/6$1,301
Thu 16/709:20
SYD
-
PDX
1 stop17h 11m
Multiple Airlines
Mon 3/819:45
PDX
-
SYD
2 stops24h 30m
Multiple Airlines
Deal found 6/6$1,313
Wed 12/806:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Wed 9/919:45
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Deal found 8/6$1,339
Tue 4/806:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Fri 14/819:45
PDX
-
SYD
2 stops22h 10m
Multiple Airlines
Deal found 7/6$1,374
Thu 13/806:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Sat 22/815:30
PDX
-
SYD
2 stops26h 10m
Multiple Airlines
Deal found 6/6$1,380
Wed 12/806:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Thu 20/819:45
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Deal found 5/6$1,387
Wed 12/812:00
SYD
-
PDX
1 stop23h 59m
American Airlines
Wed 9/906:30
PDX
-
SYD
1 stop31h 35m
American Airlines
Deal found 10/6$1,389

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 10 June 2026.

Round-trip from

$1,301

One-way from

$825

Popular in

April

Cheapest in

November

Average price

$1,604
Air Canada
  • Air Canada
  • 16/7-3/8
  • 3 total stops
  • 39h 06m total
  • Sydney to Portland
Search Deals
Delta
  • Delta
  • 17/6
  • 1 total stop
  • 27h 09m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($300 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 10 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

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

06:00-09:31

2 stops20h 31m

Portland

Wed 9/9

19:45-07:20

1 stop18h 35m

$1,411

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 20/7

09:10-16:38

2 stops24h 28m

Portland

Mon 27/7

17:08-07:30

1 stop21h 22m

$1,445

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 20/7

17:50-23:56

1 stop23h 06m

Portland

Mon 27/7

17:08-07:05

1 stop20h 57m

$1,457

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 6/8

07:30-19:11

2 stops28h 41m

Portland

Mon 10/8

19:45-07:20

1 stop18h 35m

$1,458

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 20/7

09:15-18:18

2 stops26h 03m

Portland

Mon 27/7

09:32-06:50

2 stops28h 18m

$1,461

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 12/8

09:30-18:19

3 stops25h 49m

Portland

Wed 9/9

05:00-07:00

2 stops33h 00m

$1,479
Fastest return journey

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 6/8

20:45-20:50

1 stop17h 05m

Portland

Mon 10/8

07:46-18:50

1 stop18h 04m

$1,511

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 17/7

09:30-17:46

2 stops25h 16m

Portland

Mon 3/8

12:50-07:00

2 stops25h 10m

$1,514

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 11/7

09:30-15:13

2 stops22h 43m

Portland

Sun 26/7

05:15-07:00

2 stops32h 45m

$1,514
Cheapest one-way

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 17/6

09:15-19:24

1 stop27h 09m

$825

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 17 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

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

Currently, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $1,144). Flying from Sydney to Portland in April is currently the most expensive (average of $1,735). 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?

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 10 June 2026.
Read reviews from past customers who have flown with Alaska Airlines,Delta, 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
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,480 reviews
Alaska Airlines
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.9
Good
8,398 reviews
Alaska Airlines
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Qantas Airways
7.5
Good
1,046 reviews
Alaska Airlines
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
9,803 reviews
Alaska Airlines
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Air Canada
7.1
Good
11,154 reviews
Alaska Airlines
7.9
Good
12,480 reviews
Check prices

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,June 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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?

    American Airlines, Qantas Airways, and Air Canada can get you from Sydney to Portland in just under 23h 06m. Your travel time can differ by up to 5h 35m. 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 $750, 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 $910 and $1,115, respectively. These flights start at 49% 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, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $1,144). Flying from Sydney to Portland in April is currently the most expensive (average of $1,735). 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 5 airlines flying from Sydney to Portland

Discover the top 5 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$750Average$1,678FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$910Average$1,566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,115Average$1,434FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,166Average$1,438FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Qantas AirwaysCheapest$1,284Average$1,594FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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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