Cheap flights from Oregon to Sydney from $430

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 4/19. 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
0 bags

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Find the cheapest flights from Oregon to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:15 pm - 7:20 am
PDX
-
SYD
23h 05m
1 stop
Air Canada Logo
9:20 am - 7:05 pm
SYD
-
PDX
26h 45m
1 stop
$914Air Canada
Mon, Apr 27 - Wed, May 6
EVA Air Logo
7:45 pm - 7:20 am
PDX
-
SYD
18h 35m
1 stop
EVA Air Logo
7:00 am - 9:30 am
SYD
-
PDX
19h 30m
2 stops
$942EVA Air
Tue, May 26 - Tue, Jun 9
Multiple Airlines Logo
3:25 pm - 10:40 am
PDX
-
SYD
26h 15m
2 stops
Multiple Airlines Logo
6:00 am - 9:31 am
SYD
-
PDX
20h 31m
2 stops
$958Multiple Airlines
Sun, Aug 2 - Sun, Aug 16
Air Canada Logo
9:50 am - 7:20 am
PDX
-
SYD
28h 30m
1 stop
Air Canada Logo
9:20 am - 9:10 am
SYD
-
PDX
16h 50m
1 stop
$975Air Canada
Thu, Apr 9 - Thu, Apr 16
Qantas Airways Logo
2:50 pm - 6:25 am
PDX
-
SYD
22h 35m
1 stop
Qantas Airways Logo
6:25 am - 1:26 pm
SYD
-
PDX
24h 01m
2 stops
$982Qantas Airways
Tue, May 5 - Tue, May 12
United Airlines Logo
2:11 pm - 6:55 am
MFR
-
SYD
23h 44m
1 stop
United Airlines Logo
10:20 am - 12:04 pm
SYD
-
MFR
18h 44m
1 stop
$990United Airlines
Wed, May 27 - Mon, Aug 10
United Airlines Logo
6:35 pm - 9:15 am
RDM
-
SYD
20h 40m
1 stop
United Airlines Logo
12:10 pm - 12:11 pm
SYD
-
RDM
18h 01m
1 stop
$990United Airlines
Sun, Mar 8 - Wed, Mar 11
Qantas Airways Logo
5:51 pm - 6:25 am
PDX
-
SYD
19h 34m
1 stop
Qantas Airways Logo
6:25 am - 1:26 pm
SYD
-
PDX
24h 01m
2 stops
$997Qantas Airways
Tue, May 5 - Tue, May 12
American Airlines Logo
2:14 pm - 7:05 am
BOI
-
SYD
24h 51m
2 stops
American Airlines Logo
9:10 am - 5:53 pm
SYD
-
BOI
24h 43m
2 stops
$1,065American Airlines
Mon, Apr 20 - Sun, Apr 26
American Airlines Logo
2:07 pm - 7:05 am
BOI
-
SYD
24h 58m
2 stops
American Airlines Logo
5:50 pm - 11:06 pm
SYD
-
BOI
21h 16m
2 stops
$1,072American Airlines
Tue, May 26 - Sun, Jun 7

Delta flights from Oregon to Sydney

Our best Delta deals on Oregon to Sydney flight tickets
Delta
Jul 10
MFR6:05 amMedford
31h 45m
2 stops
SYD6:50 amSydney Kingsford Smith
Jul 31
SYD9:15 amSydney Kingsford Smith
30h 58m
2 stops
MFR11:13 pmMedford
$983
Delta
Mar 3
PDX10:25 amPortland
25h 25m
1 stop
SYD6:50 amSydney Kingsford Smith
Mar 16
SYD9:40 amSydney Kingsford Smith
18h 21m
1 stop
PDX10:01 amPortland
$1,078
Delta
Apr 19
BOI4:55 pmBoise Air Term. Gowen Fld
21h 55m
1 stop
SYD6:50 amSydney Kingsford Smith
Apr 26
SYD9:15 amSydney Kingsford Smith
21h 48m
1 stop
BOI3:03 pmBoise Air Term. Gowen Fld
$1,079

Qantas Airways flights from Oregon to Sydney

Our best Qantas Airways deals on Oregon to Sydney flight tickets
Qantas Airways
May 5
PDX2:50 pmPortland
22h 35m
1 stop
SYD6:25 amSydney Kingsford Smith
May 12
SYD6:25 amSydney Kingsford Smith
24h 01m
2 stops
PDX1:26 pmPortland
$982
Qantas Airways
May 5
PDX5:51 pmPortland
19h 34m
1 stop
SYD6:25 amSydney Kingsford Smith
May 12
SYD6:25 amSydney Kingsford Smith
24h 01m
2 stops
PDX1:26 pmPortland
$997
Qantas Airways
Mar 3
PDX2:47 pmPortland
20h 23m
1 stop
SYD6:10 amSydney Kingsford Smith
Mar 16
SYD5:00 pmSydney Kingsford Smith
22h 52m
2 stops
PDX9:52 pmPortland
$1,003

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 February 25, 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

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 4/27

3:15 pm-7:20 am

1 stop23h 05m

Sydney Kingsford Smith

Wed 5/6

9:20 am-7:05 pm

1 stop26h 45m

$914

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 5/26

7:45 pm-7:20 am

1 stop18h 35m

Sydney Kingsford Smith

Tue 6/9

7:00 am-9:30 am

2 stops19h 30m

$942

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 8/2

3:25 pm-10:40 am

2 stops26h 15m

Sydney Kingsford Smith

Sun 8/16

6:00 am-9:31 am

2 stops20h 31m

$958

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 4/9

9:50 am-7:20 am

1 stop28h 30m

Sydney Kingsford Smith

Thu 4/16

9:20 am-9:10 am

1 stop16h 50m

$975

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 5/5

2:50 pm-6:25 am

1 stop22h 35m

Sydney Kingsford Smith

Tue 5/12

6:25 am-1:26 pm

2 stops24h 01m

$982

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 5/27

2:11 pm-6:55 am

1 stop23h 44m

Sydney Kingsford Smith

Mon 8/10

10:20 am-12:04 pm

1 stop18h 44m

$990

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 3/8

6:35 pm-9:15 am

1 stop20h 40m

Sydney Kingsford Smith

Wed 3/11

12:10 pm-12:11 pm

1 stop18h 01m

$990

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 5/5

5:51 pm-6:25 am

1 stop19h 34m

Sydney Kingsford Smith

Tue 5/12

6:25 am-1:26 pm

2 stops24h 01m

$997

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 4/20

2:14 pm-7:05 am

2 stops24h 51m

Sydney Kingsford Smith

Sun 4/26

9:10 am-5:53 pm

2 stops24h 43m

$1,065

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/26

2:07 pm-7:05 am

2 stops24h 58m

Sydney Kingsford Smith

Sun 6/7

5:50 pm-11:06 pm

2 stops21h 16m

$1,072

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, June 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 $997. If you are unable to visit Sydney during the month of June, then departing from Oregon during the month September is also very affordable. Most momondo users find prices during this month for around $1,001.

How far in advance should I book a flight 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 $1,193 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 $895 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

19h 13m

Direct flights

None
The fastest flight from Oregon to Sydney takes 19h 13m
There are no direct flights from Oregon to Sydney. There are no popular flight routes 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
7.9
8,237 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,836 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $840Free CancellationRating
7.1
10,747 reviews
Search Air Canada flights
United AirlinesPriceFrom $876Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $898Free CancellationRating
7.5
998 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $954Free CancellationRating
7.2
11,351 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $999Free CancellationRating
8.0
11,959 reviews
Search Alaska Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Lithgow
Leura
Cronulla
Charlestown
Terrigal
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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1 adult
Fri 3/27
Fri 4/3

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