How long does it take to fly to Sydney?

Flight times from Oregon to Sydney vary, but if you’re flying out of Portland and flying into Sydney (one of the most popular routes), then the duration is 17h 55m on average. Another popular route from Oregon to Sydney is flying from Redmond to Sydney, which will take roughly 18h 05m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Oregon to Sydney Kingsford Smith?

Alaska Airlines, Air Canada, and United Airlines are the most popular carriers operating from Oregon to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Sydney from Oregon according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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?

As of August 2025, there are 8 operators available to choose from 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.

$450 Cheap Flights from Oregon to Sydney in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Oregon to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

7:40 pm - 7:20 amPDX-SYD

18h 40m1 stop

9:20 am - 9:21 amSYD-PDX

17h 01m1 stop

$810Air Canada

Find Deal

Sun, Aug 31 - Sun, Sep 14

2:50 pm - 7:05 amPDX-SYD

23h 15m1 stop

5:45 pm - 9:16 pmSYD-PDX

20h 31m1 stop

$823Qantas Airways

Find Deal

Fri, Sep 26 - Sat, Oct 4

7:00 pm - 4:40 pmPDX-SYD

26h 40m2 stops

10:20 am - 2:45 pmSYD-PDX

22h 25m1 stop

$828Air Canada

Find Deal

Tue, Feb 3 - Mon, Mar 16

6:36 pm - 9:15 amMFR-SYD

20h 39m1 stop

12:10 pm - 12:06 pmSYD-MFR

18h 56m1 stop

$876United Airlines

Find Deal

Fri, Oct 31 - Sat, Nov 8

1:55 pm - 6:55 amRDM-SYD

24h 00m1 stop

9:30 am - 10:42 amSYD-RDM

18h 12m1 stop

$876United Airlines

Find Deal

Fri, Sep 5 - Sat, Sep 13

9:50 am - 9:35 amPDX-SYD

28h 45m1 stop

8:00 am - 9:15 amSYD-PDX

20h 15m2 stops

$897

Find Deal

Sat, Nov 15 - Tue, Nov 25

7:00 pm - 2:25 pmPDX-SYD

24h 25m2 stops

11:20 am - 2:45 pmSYD-PDX

22h 25m1 stop

$909

Find Deal

Mon, Nov 3 - Sat, Nov 8

2:56 pm - 7:05 amPDX-SYD

23h 09m1 stop

9:10 am - 2:23 pmSYD-PDX

22h 13m1 stop

$951American Airlines

Find Deal

Fri, Sep 5 - Fri, Sep 12

1:57 pm - 7:05 amBOI-SYD

25h 08m2 stops

9:10 am - 8:02 pmSYD-BOI

26h 52m2 stops

$956American Airlines

Find Deal

Fri, Sep 5 - Fri, Sep 12

7:30 am - 8:15 pmPDX-SYD

41h 45m2 stops

9:45 pm - 6:30 pmSYD-PDX

39h 45m2 stops

$1,001ANA

Find Deal

Sun, Nov 9 - Mon, Nov 17

United Airlines flights from Oregon to Sydney

Our best United Airlines deals on Oregon to Sydney flight tickets

United Airlines

Oct 31

MFR6:36 pmMedford

20h 39m

1 stop

SYD9:15 amSydney Kingsford Smith

Nov 8

SYD12:10 pmSydney Kingsford Smith

18h 56m

1 stop

MFR12:06 pmMedford

$876

Find similar

United Airlines

Oct 31

MFR5:00 amMedford

34h 15m

2 stops

SYD9:15 amSydney Kingsford Smith

Nov 8

SYD12:10 pmSydney Kingsford Smith

26h 58m

1 stop

MFR8:08 pmMedford

$881

Find similar

United Airlines

Aug 23

MFR1:03 pmMedford

24h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 27

SYD10:20 amSydney Kingsford Smith

18h 31m

1 stop

MFR11:51 amMedford

$963

Find similar

Delta flights from Oregon to Sydney

Our best Delta deals on Oregon to Sydney flight tickets

Delta

Aug 23

MFR11:40 amMedford

25h 55m

2 stops

SYD6:35 amSydney Kingsford Smith

Aug 27

SYD9:25 amSydney Kingsford Smith

24h 25m

2 stops

MFR4:50 pmMedford

$1,044

Find similar

Delta

Jan 12

MFR6:05 amMedford

31h 25m

2 stops

SYD8:30 amSydney Kingsford Smith

Jan 27

SYD10:40 amSydney Kingsford Smith

31h 29m

2 stops

MFR11:09 pmMedford

$1,045

Find similar

Delta

Aug 11

PDX8:55 amPortland

28h 40m

2 stops

SYD6:35 amSydney Kingsford Smith

Aug 17

SYD9:25 amSydney Kingsford Smith

25h 35m

2 stops

PDX6:00 pmPortland

$1,284

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 8/31

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Sun 9/14

9:20 am-9:21 am

1 stop17h 01m

$810

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/26

2:50 pm-7:05 am

1 stop23h 15m

Sydney Kingsford Smith

Sat 10/4

5:45 pm-9:16 pm

1 stop20h 31m

$823

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 2/3

7:00 pm-4:40 pm

2 stops26h 40m

Sydney Kingsford Smith

Mon 3/16

10:20 am-2:45 pm

1 stop22h 25m

$828

MedfordSydney

MFR - SYD

MFRSYD

Medford

Fri 10/31

6:36 pm-9:15 am

1 stop20h 39m

Sydney Kingsford Smith

Sat 11/8

12:10 pm-12:06 pm

1 stop18h 56m

$876

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 9/5

1:55 pm-6:55 am

1 stop24h 00m

Sydney Kingsford Smith

Sat 9/13

9:30 am-10:42 am

1 stop18h 12m

$876

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 11/15

9:50 am-9:35 am

1 stop28h 45m

Sydney Kingsford Smith

Tue 11/25

8:00 am-9:15 am

2 stops20h 15m

$897

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 11/3

7:00 pm-2:25 pm

2 stops24h 25m

Sydney Kingsford Smith

Sat 11/8

11:20 am-2:45 pm

1 stop22h 25m

$909

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/5

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Fri 9/12

9:10 am-2:23 pm

1 stop22h 13m

$951

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Fri 9/5

1:57 pm-7:05 am

2 stops25h 08m

Sydney Kingsford Smith

Fri 9/12

9:10 am-8:02 pm

2 stops26h 52m

$956

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 11/9

7:30 am-8:15 pm

2 stops41h 45m

Sydney Kingsford Smith

Mon 11/17

9:45 pm-6:30 pm

2 stops39h 45m

$1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $1,009. If you are unable to visit Sydney during the month of September, then departing from Oregon during the month May is also very affordable. Most momondo users find prices during this month for around $1,039.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Oregon to Sydney is on a Saturday when prices can be found for as low as $1,040. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,146.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Oregon to Sydney in the morning for as low as $1,060. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,135. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,143 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 $922 on momondo.

Cheap Oregon to Sydney flight deals and tips

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

Best Price Found	$450
Fastest flight time	18h 05m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Oregon in the past 72 hours is $450. The best round-trip flight deal from Oregon to Sydney found on momondo in the last 72 hours is $810.

The fastest flight from Oregon to Sydney takes 18h 05m

There are no direct flights from Oregon to Sydney. Popular non-direct routes for this connection are Medford Airport - Sydney Kingsford Smith Airport, Boise Air Term. Gowen Fld Airport - Sydney Kingsford Smith Airport and Portland Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

Search flight deals

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?
As of August 2025, there are 8 operators available to choose from 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
United Airlines	PriceFrom $656	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $855	Free Cancellation	Rating 7.8 2,631 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $906	Free Cancellation	Rating 7.5 888 reviews	Search Qantas Airways flights
Delta	PriceFrom $922	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
American Airlines	PriceFrom $952	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $1,099	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Air New Zealand	PriceFrom $1,141	Free Cancellation	Rating 8.0 503 reviews	Search Air New Zealand flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Cronulla

Penrith

Manly

Lithgow

Charlestown

Swansea

Leura

Terrigal

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.