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

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

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Oregon, such as Medford or Eugene, and flying into Sydney, then you can expect flight times to average 19h 41m and 21h 11m, respectively.

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 were last updated today.

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

The number of operators available for flights from Oregon to Sydney Kingsford Smith Airport is 1 as of December 2025.

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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$637 Cheap Flights from Oregon to Sydney in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 return flights

Enter your travel dates to find the best prices.

05:00 - 06:55

EUG

SYD

32h 55m2 stops

09:30 - 21:08

SYD

EUG

28h 38m2 stops

$1,300United Airlines

Thu, 16 Apr - Sat, 25 Apr

05:00 - 07:00

EUG

SYD

33h 00m2 stops

10:20 - 21:08

SYD

EUG

27h 48m2 stops

$1,303United Airlines

Thu, 16 Apr - Sat, 25 Apr

18:35 - 09:15

RDM

SYD

19h 40m1 stop

14:00 - 17:54

SYD

RDM

21h 54m1 stop

$1,310United Airlines

Fri, 6 Mar - Fri, 20 Mar

08:10 - 06:10

BOI

SYD

28h 00m1 stop

21:25 - 22:09

SYD

BOI

18h 44m1 stop

$1,749Multiple Airlines

Sun, 1 Feb - Sun, 8 Feb

08:10 - 06:10

BOI

SYD

28h 00m1 stop

19:40 - 23:02

SYD

BOI

45h 22m2 stops

$1,755Multiple Airlines

Sun, 1 Feb - Sun, 8 Feb

19:05 - 07:20

PDX

SYD

19h 15m1 stop

07:00 - 09:30

SYD

PDX

19h 30m2 stops

$1,808Air Canada

Wed, 29 Apr - Sun, 31 May

15:15 - 09:35

PDX

SYD

23h 20m1 stop

11:20 - 09:15

SYD

PDX

16h 55m1 stop

$1,813Air Canada

Fri, 30 Jan - Sat, 14 Feb

14:57 - 14:25

PDX

SYD

28h 28m2 stops

11:20 - 17:19

SYD

PDX

24h 59m1 stop

$1,834Qantas Airways

Wed, 28 Jan - Thu, 19 Feb

19:14 - 07:05

BOI

SYD

19h 51m1 stop

09:10 - 12:34

SYD

BOI

19h 24m1 stop

$1,853Alaska Airlines

Thu, 30 Apr - Mon, 4 May

20:12 - 09:00

BOI

SYD

18h 48m1 stop

11:20 - 12:44

SYD

BOI

19h 24m1 stop

$1,889Alaska Airlines

Sat, 28 Feb - Wed, 4 Mar

Air Canada flights from Oregon to Sydney

Our best Air Canada deals on Oregon to Sydney flight tickets

Air Canada

29 Apr

PDX19:05Portland

19h 15m

1 stop

SYD07:20Sydney Kingsford Smith

31 May

SYD07:00Sydney Kingsford Smith

19h 30m

2 stops

PDX09:30Portland

$1,808

Find similar

Air Canada

30 Jan

PDX15:15Portland

23h 20m

1 stop

SYD09:35Sydney Kingsford Smith

14 Feb

SYD11:20Sydney Kingsford Smith

16h 55m

1 stop

PDX09:15Portland

$1,813

Find similar

Air Canada

18 Jan

PDX09:50Portland

33h 50m

2 stops

SYD14:40Sydney Kingsford Smith

4 Feb

SYD11:20Sydney Kingsford Smith

22h 20m

1 stop

PDX14:40Portland

$1,816

Find similar

Qantas Airways flights from Oregon to Sydney

Our best Qantas Airways deals on Oregon to Sydney flight tickets

Qantas Airways

29 Dec

PDX16:26Portland

21h 54m

2 stops

SYD09:20Sydney Kingsford Smith

13 Jan

SYD09:10Sydney Kingsford Smith

23h 31m

2 stops

PDX13:41Portland

$1,814

Find similar

Qantas Airways

28 Jan

PDX14:57Portland

28h 28m

2 stops

SYD14:25Sydney Kingsford Smith

19 Feb

SYD11:20Sydney Kingsford Smith

24h 59m

1 stop

PDX17:19Portland

$1,834

Find similar

Qantas Airways

21 Jan

PDX10:52Portland

35h 38m

2 stops

SYD17:30Sydney Kingsford Smith

14 Feb

SYD09:00Sydney Kingsford Smith

27h 19m

2 stops

PDX17:19Portland

$1,837

Find similar

Fly from

Fly to

Route

Depart

Return

Price

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 16/4

05:00-06:55

2 stops32h 55m

Sydney Kingsford Smith

Sat 25/4

09:30-21:08

2 stops28h 38m

$1,300

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 16/4

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sat 25/4

10:20-21:08

2 stops27h 48m

$1,303

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 6/3

18:35-09:15

1 stop19h 40m

Sydney Kingsford Smith

Fri 20/3

14:00-17:54

1 stop21h 54m

$1,310

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 1/2

08:10-06:10

1 stop28h 00m

Sydney Kingsford Smith

Sun 8/2

21:25-22:09

1 stop18h 44m

$1,749

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 1/2

08:10-06:10

1 stop28h 00m

Sydney Kingsford Smith

Sun 8/2

19:40-23:02

2 stops45h 22m

$1,755

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 29/4

19:05-07:20

1 stop19h 15m

Sydney Kingsford Smith

Sun 31/5

07:00-09:30

2 stops19h 30m

$1,808

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 30/1

15:15-09:35

1 stop23h 20m

Sydney Kingsford Smith

Sat 14/2

11:20-09:15

1 stop16h 55m

$1,813

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 28/1

14:57-14:25

2 stops28h 28m

Sydney Kingsford Smith

Thu 19/2

11:20-17:19

1 stop24h 59m

$1,834

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 30/4

19:14-07:05

1 stop19h 51m

Sydney Kingsford Smith

Mon 4/5

09:10-12:34

1 stop19h 24m

$1,853

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 28/2

20:12-09:00

1 stop18h 48m

Sydney Kingsford Smith

Wed 4/3

11:20-12:44

1 stop19h 24m

$1,889

Flights are sorted by cheapest return 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?

The month of September is, on average, the cheapest month to fly to Sydney from Oregon, with most prices found around $1,485. If you aren’t able to travel to Sydney during the month of September, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,486.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,206. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,959.

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 $1,354. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,756 on average. Flights to Sydney from Oregon in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,746 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Oregon for as low as $1,337 on momondo.

Can stopping save me money on Oregon to Sydney flights?

You could potentially save up to 24% 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 41m
Direct flights	None

The fastest flight from Oregon to Sydney takes 19h 41m

There are no direct flights from Oregon to Sydney. There are no popular flight routes from Oregon to Sydney.

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 were last updated today.
How many operators does momondo search for flights from Oregon to Sydney Kingsford Smith Airport?
The number of operators available for flights from Oregon to Sydney Kingsford Smith Airport is 1 as of December 2025.
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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable 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 $1,343	Free cancellation	Rating 7.4 9,115 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oregon to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Sydney from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Oregon to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.