How long does it take to fly to Sydney?

If you’re flying from a popular airport in Oregon, such as Portland or Medford, and flying into Sydney, then you can expect flight times to average 17h 30m and 19h 21m, respectively.

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

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

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 May 2026.

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.

$760 Cheap Flights from Oregon to Sydney in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

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.

19:45 - 11:40

PDX

SYD

22h 55m

2 stops

09:20 - 14:51

SYD

PDX

22h 31m

1 stop

$1,559Air Canada

Wed, 22 Jul - Mon, 27 Jul

17:35 - 11:50

PDX

SYD

25h 15m

2 stops

13:15 - 21:55

SYD

PDX

25h 40m

2 stops

$1,569Multiple Airlines

Fri, 4 Sep - Sun, 13 Sep

12:17 - 06:55

BOI

SYD

26h 38m

1 stop

12:00 - 22:20

SYD

BOI

26h 20m

1 stop

$1,598American Airlines

Tue, 11 Aug - Tue, 18 Aug

13:54 - 07:30

BOI

SYD

25h 36m

2 stops

17:50 - 22:40

SYD

BOI

20h 50m

2 stops

$1,604American Airlines

Tue, 11 Aug - Tue, 18 Aug

17:18 - 06:50

PDX

SYD

20h 32m

1 stop

09:15 - 12:25

SYD

PDX

20h 10m

1 stop

$1,604Delta

Mon, 1 Jun - Wed, 10 Jun

06:15 - 06:50

MFR

SYD

31h 35m

2 stops

09:15 - 23:15

SYD

MFR

31h 00m

2 stops

$1,609Delta

Wed, 27 May - Mon, 10 Aug

14:06 - 07:00

MFR

SYD

23h 54m

2 stops

10:20 - 17:45

SYD

MFR

24h 25m

1 stop

$1,698United Airlines

Sat, 15 Aug - Wed, 19 Aug

18:51 - 09:15

EUG

SYD

19h 24m

1 stop

12:10 - 11:54

SYD

EUG

18h 44m

1 stop

$1,698United Airlines

Sun, 1 Nov - Wed, 4 Nov

19:07 - 07:05

BOI

SYD

19h 58m

1 stop

09:10 - 12:33

SYD

BOI

19h 23m

1 stop

$1,789Alaska Airlines

Thu, 30 Jul - Mon, 31 Aug

18:47 - 07:05

BOI

SYD

20h 18m

1 stop

09:10 - 12:33

SYD

BOI

19h 23m

1 stop

$1,790Alaska Airlines

Tue, 8 Sep - Sat, 19 Sep

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

American Airlines flights from Oregon to Sydney

Our best American Airlines deals on Oregon to Sydney flight tickets

American Airlines

11 Aug

BOI12:17Boise Air Term. Gowen Fld

26h 38m

1 stop

SYD06:55Sydney Kingsford Smith

18 Aug

SYD12:00Sydney Kingsford Smith

26h 20m

1 stop

BOI22:20Boise Air Term. Gowen Fld

$1,598

American Airlines

11 Aug

BOI13:54Boise Air Term. Gowen Fld

25h 36m

2 stops

SYD07:30Sydney Kingsford Smith

18 Aug

SYD17:50Sydney Kingsford Smith

20h 50m

2 stops

BOI22:40Boise Air Term. Gowen Fld

$1,604

American Airlines

27 May

MFR13:24Medford

24h 41m

2 stops

SYD07:05Sydney Kingsford Smith

10 Aug

SYD09:10Sydney Kingsford Smith

23h 04m

1 stop

MFR15:14Medford

$1,659

Delta flights from Oregon to Sydney

Our best Delta deals on Oregon to Sydney flight tickets

Delta

1 June

PDX17:18Portland

20h 32m

1 stop

SYD06:50Sydney Kingsford Smith

10 June

SYD09:15Sydney Kingsford Smith

20h 10m

1 stop

PDX12:25Portland

$1,604

Delta

1 June

PDX15:30Portland

22h 20m

2 stops

SYD06:50Sydney Kingsford Smith

10 June

SYD09:15Sydney Kingsford Smith

27h 09m

1 stop

PDX19:24Portland

$1,609

Delta

1 June

PDX17:18Portland

20h 32m

1 stop

SYD06:50Sydney Kingsford Smith

8 June

SYD09:15Sydney Kingsford Smith

24h 27m

1 stop

PDX16:42Portland

$1,657

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 22/7

19:45-11:40

2 stops22h 55m

Sydney Kingsford Smith

Mon 27/7

09:20-14:51

1 stop22h 31m

$1,559

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 4/9

17:35-11:50

2 stops25h 15m

Sydney Kingsford Smith

Sun 13/9

13:15-21:55

2 stops25h 40m

$1,569

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 11/8

12:17-06:55

1 stop26h 38m

Sydney Kingsford Smith

Tue 18/8

12:00-22:20

1 stop26h 20m

$1,598

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 11/8

13:54-07:30

2 stops25h 36m

Sydney Kingsford Smith

Tue 18/8

17:50-22:40

2 stops20h 50m

$1,604

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 1/6

17:18-06:50

1 stop20h 32m

Sydney Kingsford Smith

Wed 10/6

09:15-12:25

1 stop20h 10m

$1,604

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

06:15-06:50

2 stops31h 35m

Sydney Kingsford Smith

Mon 10/8

09:15-23:15

2 stops31h 00m

$1,609

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 15/8

14:06-07:00

2 stops23h 54m

Sydney Kingsford Smith

Wed 19/8

10:20-17:45

1 stop24h 25m

$1,698

Fastest return journey

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 1/11

18:51-09:15

1 stop19h 24m

Sydney Kingsford Smith

Wed 4/11

12:10-11:54

1 stop18h 44m

$1,698

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 30/7

19:07-07:05

1 stop19h 58m

Sydney Kingsford Smith

Mon 31/8

09:10-12:33

1 stop19h 23m

$1,789

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 8/9

18:47-07:05

1 stop20h 18m

Sydney Kingsford Smith

Sat 19/9

09:10-12:33

1 stop19h 23m

$1,790

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 $192. If you aren’t able to travel to Sydney during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $244.

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 $1,682 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 $1,247 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	17h 30m
Direct flights	None

The fastest flight from Oregon to Sydney takes 17h 30m

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 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 May 2026.
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 $1,324	Free cancellation	Rating 7.4 9,684 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

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.