Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Oregon to Sydney from $554

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 11/2. 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.
Multiple Airlines Logo
8:00 am - 6:50 pmPDX  Portland-SYD Sydney Kingsford Smith
17h 50m1 stop Honolulu
Multiple Airlines Logo
1:15 pm - 10:07 amSYD  Sydney Kingsford Smith-PDX Portland
37h 52m2 stops Nadi Los Angeles Los Angeles
$1,080Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Alaska Airlines Logo
8:00 am - 7:45 pmPDX  Portland-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
Alaska Airlines Logo
9:40 pm - 8:49 pmSYD  Sydney Kingsford Smith-PDX Portland
18h 09m1 stop Honolulu
$1,084Alaska Airlines
Mon, Oct 26 - Tue, Nov 24
United Airlines Logo
1:57 pm - 6:55 amEUG  Eugene-SYD Sydney Kingsford Smith
23h 58m1 stop San Francisco
United Airlines Logo
10:20 am - 8:33 pmSYD  Sydney Kingsford Smith-EUG Eugene
27h 13m1 stop San Francisco
$1,090United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
12:47 pm - 7:00 amEUG  Eugene-SYD Sydney Kingsford Smith
25h 13m2 stops Denver Intl Los Angeles Los Angeles
United Airlines Logo
10:20 am - 9:17 pmSYD  Sydney Kingsford Smith-EUG Eugene
27h 57m2 stops San Francisco Denver Intl
$1,094United Airlines
Tue, Sep 8 - Tue, Sep 15
Delta Logo
6:10 am - 8:30 amRDM  Bend/Redmond-SYD Sydney Kingsford Smith
31h 20m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles
Delta Logo
10:40 am - 11:56 pmSYD  Sydney Kingsford Smith-RDM Bend/Redmond
32h 16m2 stops Los Angeles Los Angeles Salt Lake City
$1,094Delta
Mon, Nov 2 - Mon, Nov 16
Delta Logo
6:15 am - 6:50 amRDM  Bend/Redmond-SYD Sydney Kingsford Smith
31h 35m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles
Delta Logo
9:15 am - 6:44 pmSYD  Sydney Kingsford Smith-RDM Bend/Redmond
26h 29m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl
$1,094Delta
Mon, Sep 14 - Mon, Sep 21
Air Canada Logo
7:45 pm - 7:20 amPDX  Portland-SYD Sydney Kingsford Smith
18h 35m1 stop Vancouver Intl
Air Canada Logo
9:20 am - 9:31 amSYD  Sydney Kingsford Smith-PDX Portland
17h 11m1 stop Vancouver Intl
$1,118Air Canada
Mon, Sep 14 - Tue, Sep 29
Air Canada Logo
10:10 am - 8:20 amPDX  Portland-SYD Sydney Kingsford Smith
28h 10m1 stop Vancouver Intl
Air Canada Logo
10:20 am - 9:26 amSYD  Sydney Kingsford Smith-PDX Portland
17h 06m1 stop Vancouver Intl
$1,118Air Canada
Wed, Oct 21 - Wed, Oct 28
Qantas Airways Logo
5:40 pm - 10:20 amPDX  Portland-SYD Sydney Kingsford Smith
21h 40m2 stops Los Angeles Los Angeles Brisbane
Qantas Airways Logo
9:25 pm - 8:48 pmSYD  Sydney Kingsford Smith-PDX Portland
18h 23m1 stop San Francisco
$1,136Qantas Airways
Mon, Feb 1 - Wed, Feb 10
Qantas Airways Logo
2:30 pm - 6:25 amPDX  Portland-SYD Sydney Kingsford Smith
20h 55m1 stop San Francisco
Qantas Airways Logo
10:20 am - 1:26 pmSYD  Sydney Kingsford Smith-PDX Portland
22h 06m2 stops Brisbane Los Angeles Los Angeles
$1,145Qantas Airways
Fri, Jan 29 - Mon, Feb 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Alaska Airlines flights from Oregon to Sydney

Our best Alaska Airlines deals on Oregon to Sydney flight tickets
Alaska Airlines
Oct 26
PDX8:00 amPortland
17h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Nov 24
SYD9:40 pmSydney Kingsford Smith
18h 09m
1 stop
PDX8:49 pmPortland
$1,084
Alaska Airlines
Aug 17
PDX7:46 amPortland
18h 04m
1 stop
SYD6:50 pmSydney Kingsford Smith
Aug 23
SYD8:45 pmSydney Kingsford Smith
26h 29m
1 stop
PDX6:14 amPortland
$1,085
Alaska Airlines
Aug 26
PDX8:00 amPortland
17h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
Sep 8
SYD8:45 pmSydney Kingsford Smith
26h 29m
1 stop
PDX6:14 amPortland
$1,087

United Airlines flights from Oregon to Sydney

Our best United Airlines deals on Oregon to Sydney flight tickets
United Airlines
Sep 8
EUG1:57 pmEugene
23h 58m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 15
SYD10:20 amSydney Kingsford Smith
27h 13m
1 stop
EUG8:33 pmEugene
$1,090
United Airlines
Sep 8
EUG5:00 amEugene
32h 55m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 15
SYD10:20 amSydney Kingsford Smith
27h 13m
1 stop
EUG8:33 pmEugene
$1,094
United Airlines
Nov 1
MFR2:06 pmMedford
24h 14m
1 stop
SYD9:20 amSydney Kingsford Smith
Nov 5
SYD11:50 amSydney Kingsford Smith
25h 19m
1 stop
MFR6:09 pmMedford
$1,227

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 August 6, 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

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 9/2

8:00 am-6:50 pm

1 stop17h 50m

Sydney Kingsford Smith

Wed 9/9

1:15 pm-10:07 am

2 stops37h 52m

$1,080

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 10/26

8:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Tue 11/24

9:40 pm-8:49 pm

1 stop18h 09m

$1,084

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

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

$1,090

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 9/8

12:47 pm-7:00 am

2 stops25h 13m

Sydney Kingsford Smith

Tue 9/15

10:20 am-9:17 pm

2 stops27h 57m

$1,094

RedmondSydney

RDM Bend/Redmond - SYD Sydney Kingsford Smith

RDMSYD

Bend/Redmond

Mon 11/2

6:10 am-8:30 am

2 stops31h 20m

Sydney Kingsford Smith

Mon 11/16

10:40 am-11:56 pm

2 stops32h 16m

$1,094

RedmondSydney

RDM Bend/Redmond - SYD Sydney Kingsford Smith

RDMSYD

Bend/Redmond

Mon 9/14

6:15 am-6:50 am

2 stops31h 35m

Sydney Kingsford Smith

Mon 9/21

9:15 am-6:44 pm

2 stops26h 29m

$1,094
Quickest round-trip

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 9/14

7:45 pm-7:20 am

1 stop18h 35m

Sydney Kingsford Smith

Tue 9/29

9:20 am-9:31 am

1 stop17h 11m

$1,118

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 10/21

10:10 am-8:20 am

1 stop28h 10m

Sydney Kingsford Smith

Wed 10/28

10:20 am-9:26 am

1 stop17h 06m

$1,118

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 2/1

5:40 pm-10:20 am

2 stops21h 40m

Sydney Kingsford Smith

Wed 2/10

9:25 pm-8:48 pm

1 stop18h 23m

$1,136

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Fri 1/29

2:30 pm-6:25 am

1 stop20h 55m

Sydney Kingsford Smith

Mon 2/8

10:20 am-1:26 pm

2 stops22h 06m

$1,145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 $1,070. If you are unable to visit Sydney during the month of September, then departing from Oregon during the month June is also very affordable. Most momondo users find prices during this month for around $1,117.

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 $1,222 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 $1,023 on momondo.

Can stopping save me money on Oregon to Sydney flights?

You could potentially save up to 13% 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
8,496 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $876Free CancellationRating
7.4
10,076 reviews
Search United Airlines flights
Air CanadaPriceFrom $886Free CancellationRating
7.1
11,433 reviews
Search Air Canada flights
American AirlinesPriceFrom $954Free CancellationRating
7.1
11,871 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $970Free CancellationRating
7.5
1,079 reviews
Search Qantas Airways flights
Alaska AirlinesPriceFrom $999Free CancellationRating
7.9
12,778 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
Wollongong
Penrith
Katoomba
Leura
Cronulla
Randwick
Manly
Lithgow
Coogee
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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 9/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia