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Cheap flights from Oregon to Sydney from $565

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Sydney departing on 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:00 am - 6:50 pm
PDX
-
SYD
17h 50m
1 stop
Alaska Airlines Logo
8:45 pm - 8:46 pm
SYD
-
PDX
17h 01m
1 stop
$1,064Alaska Airlines
Mon, Aug 31 - Sun, Sep 13
Alaska Airlines Logo
8:00 am - 6:50 pm
PDX
-
SYD
17h 50m
1 stop
Alaska Airlines Logo
8:45 pm - 8:46 pm
SYD
-
PDX
17h 01m
1 stop
$1,090Alaska Airlines
Mon, Aug 31 - Sun, Sep 13
Alaska Airlines Logo
8:00 am - 6:50 pm
PDX
-
SYD
17h 50m
1 stop
Alaska Airlines Logo
8:45 pm - 6:14 am
SYD
-
PDX
26h 29m
1 stop
$1,094Alaska Airlines
Mon, Aug 31 - Sun, Sep 13
Qantas Airways Logo
7:00 am - 7:30 am
PDX
-
SYD
31h 30m
1 stop
Qantas Airways Logo
9:10 am - 11:59 pm
SYD
-
PDX
31h 49m
1 stop
$1,125Qantas Airways
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
1:31 pm - 9:10 am
EUG
-
SYD
26h 39m
2 stops
Multiple Airlines Logo
5:50 pm - 8:34 pm
SYD
-
EUG
19h 44m
1 stop
$1,137Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
1:48 pm - 7:30 am
RDM
-
SYD
24h 42m
3 stops
Multiple Airlines Logo
5:10 pm - 10:59 pm
SYD
-
RDM
22h 49m
2 stops
$1,151Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
United Airlines Logo
2:11 pm - 7:00 am
MFR
-
SYD
23h 49m
2 stops
United Airlines Logo
10:20 am - 6:08 pm
SYD
-
MFR
24h 48m
1 stop
$1,186United Airlines
Wed, Aug 5 - Wed, Sep 30
American Airlines Logo
1:55 pm - 7:30 am
BOI
-
SYD
25h 35m
2 stops
American Airlines Logo
9:10 am - 4:49 pm
SYD
-
BOI
23h 39m
2 stops
$1,188American Airlines
Wed, Aug 5 - Wed, Aug 12
American Airlines Logo
1:55 pm - 7:30 am
BOI
-
SYD
25h 35m
2 stops
American Airlines Logo
9:10 am - 4:49 pm
SYD
-
BOI
23h 39m
2 stops
$1,189American Airlines
Wed, Aug 5 - Wed, Aug 12
United Airlines Logo
1:57 pm - 6:55 am
EUG
-
SYD
23h 58m
1 stop
United Airlines Logo
10:20 am - 8:33 pm
SYD
-
EUG
27h 13m
1 stop
$1,226United Airlines
Tue, Sep 8 - Tue, Sep 15

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American Airlines flights from Oregon to Sydney

Our best American Airlines deals on Oregon to Sydney flight tickets
American Airlines
Aug 5
PDX11:58 amPortland
26h 32m
2 stops
SYD7:30 amSydney Kingsford Smith
Aug 12
SYD9:10 amSydney Kingsford Smith
25h 20m
2 stops
PDX5:30 pmPortland
$1,145
American Airlines
Aug 4
PDX3:29 pmPortland
23h 01m
1 stop
SYD7:30 amSydney Kingsford Smith
Aug 11
SYD9:10 amSydney Kingsford Smith
24h 41m
2 stops
PDX4:51 pmPortland
$1,159
American Airlines
Jun 29
PDX3:27 pmPortland
25h 18m
2 stops
SYD9:45 amSydney Kingsford Smith
Jul 12
SYD9:10 amSydney Kingsford Smith
26h 31m
2 stops
PDX6:41 pmPortland
$1,160

Alaska Airlines flights from Oregon to Sydney

Our best Alaska Airlines deals on Oregon to Sydney flight tickets
Alaska Airlines
Jun 29
PDX7:46 amPortland
18h 04m
1 stop
SYD6:50 pmSydney Kingsford Smith
Jul 12
SYD8:45 pmSydney Kingsford Smith
17h 05m
1 stop
PDX8:50 pmPortland
$1,053
Alaska Airlines
Aug 31
PDX8:00 amPortland
17h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
Sep 13
SYD8:45 pmSydney Kingsford Smith
17h 01m
1 stop
PDX8:46 pmPortland
$1,064
Alaska Airlines
Aug 31
PDX8:00 amPortland
17h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
Sep 13
SYD8:45 pmSydney Kingsford Smith
17h 01m
1 stop
PDX8:46 pmPortland
$1,090

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Sydney 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 832,500 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from Oregon to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 8/31

8:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sun 9/13

8:45 pm-8:46 pm

1 stop17h 01m

$1,064

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 8/31

8:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sun 9/13

8:45 pm-8:46 pm

1 stop17h 01m

$1,090

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 8/31

8:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Sun 9/13

8:45 pm-6:14 am

1 stop26h 29m

$1,094

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 8/5

7:00 am-7:30 am

1 stop31h 30m

Sydney Kingsford Smith

Wed 8/12

9:10 am-11:59 pm

1 stop31h 49m

$1,125

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 9/8

1:31 pm-9:10 am

2 stops26h 39m

Sydney Kingsford Smith

Tue 9/15

5:50 pm-8:34 pm

1 stop19h 44m

$1,137

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Thu 8/6

1:48 pm-7:30 am

3 stops24h 42m

Sydney Kingsford Smith

Thu 8/13

5:10 pm-10:59 pm

2 stops22h 49m

$1,151

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 8/5

2:11 pm-7:00 am

2 stops23h 49m

Sydney Kingsford Smith

Wed 9/30

10:20 am-6:08 pm

1 stop24h 48m

$1,186

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 8/5

1:55 pm-7:30 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 8/12

9:10 am-4:49 pm

2 stops23h 39m

$1,188

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 8/5

1:55 pm-7:30 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 8/12

9:10 am-4:49 pm

2 stops23h 39m

$1,189

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 9/8

1:57 pm-6:55 am

1 stop23h 58m

Sydney Kingsford Smith

Tue 9/15

10:20 am-8:33 pm

1 stop27h 13m

$1,226

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Oregon to Sydney

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 Sydney?

In general, April is the cheapest month to fly from Oregon to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $177. If you are unable to visit Sydney during the month of April, then departing from Oregon during the month October is also very affordable. Most momondo users find prices during this month for around $488.

How far in advance should I book a flight from Oregon to Sydney?

You are more likely to see cheaper flights to Sydney from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Oregon for as low as $1,049 on momondo.

Can stopping save me money on Oregon to Sydney flights?

You could potentially save up to 19% on your flight if you consider stops on a Oregon to Sydney flight.

Cheap Oregon to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Sydney

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from Oregon to Sydney takes 17h 45m
There are no direct flights from Oregon to Sydney. There are no popular flight routes from Oregon to Sydney.
Search flight deals

Frequently asked questions about flying from Oregon to Sydney

  • When did momondo last update prices for flights from Oregon to Sydney Kingsford Smith Airport?

    Prices for flights from Oregon to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Oregon to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Oregon to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith 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 license 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.

Best airlines flying from Oregon to Sydney

Compare and see reviews for airlines that fly from Oregon to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $497Free CancellationRating
7.8
8,453 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,826 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $830Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
Air CanadaPriceFrom $884Free CancellationRating
7.1
11,261 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $906Free CancellationRating
7.5
1,050 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $954Free CancellationRating
7.1
11,768 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $999Free CancellationRating
7.9
12,580 reviews
Search Alaska Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Penrith
Wollongong
Katoomba
Randwick
Leura
Lithgow
Manly
Coogee
Cronulla
Terrigal
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Oregon.

Can I find flights from Oregon to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Oregon.

I’m not ready to book a flight from Oregon to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Oregon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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