How long does it take to fly to Sydney?

If you’re flying from a popular airport in Oregon, such as Portland or Redmond, and flying into Sydney, then you can expect flight times to average 18h 19m and 21h 16m, respectively.

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

United Airlines, Qantas Airways, and American Airlines 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 November 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.

$655 Cheap Flights from Oregon to Sydney in 2025/26

1 adult

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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.

13:07 - 07:00RDM-SYD

46h 53m2 stops

10:20 - 21:26SYD-RDM

29h 06m2 stops

$1,376United Airlines

Find Deal

Fri, 6 Mar - Fri, 20 Mar

13:07 - 09:05RDM-SYD

48h 58m2 stops

10:20 - 21:26SYD-RDM

29h 06m2 stops

$1,377United Airlines

Find Deal

Fri, 6 Mar - Fri, 20 Mar

09:50 - 09:35PDX-SYD

28h 45m1 stop

11:20 - 18:30SYD-PDX

26h 10m1 stop

$1,551Air Canada

Find Deal

Tue, 17 Feb - Tue, 3 Mar

19:00 - 08:35PDX-SYD

19h 35m1 stop

21:20 - 09:15SYD-PDX

29h 55m2 stops

$1,574Multiple Airlines

Find Deal

Tue, 17 Mar - Tue, 24 Mar

19:00 - 16:40PDX-SYD

26h 40m2 stops

11:20 - 09:15SYD-PDX

16h 55m1 stop

$1,580Air Canada

Find Deal

Tue, 17 Feb - Tue, 3 Mar

16:51 - 06:10PDX-SYD

18h 19m1 stop

07:15 - 17:11SYD-PDX

28h 56m2 stops

$1,591Qantas Airways

Find Deal

Fri, 6 Feb - Mon, 23 Feb

19:00 - 13:00PDX-SYD

23h 00m2 stops

11:20 - 09:15SYD-PDX

16h 55m1 stop

$1,592Multiple Airlines

Find Deal

Tue, 17 Feb - Tue, 3 Mar

06:40 - 07:35PDX-SYD

53h 55m2 stops

21:25 - 20:38SYD-PDX

17h 13m1 stop

$1,631Qantas Airways

Find Deal

Thu, 26 Feb - Tue, 10 Mar

07:10 - 19:45PDX-SYD

18h 35m1 stop

21:40 - 22:50SYD-PDX

19h 10m1 stop

$1,749Alaska Airlines

Find Deal

Mon, 9 Mar - Tue, 24 Mar

07:10 - 19:45PDX-SYD

18h 35m1 stop

21:40 - 06:11SYD-PDX

26h 31m2 stops

$1,765Alaska Airlines

Find Deal

Mon, 9 Mar - Tue, 24 Mar

American Airlines flights from Oregon to Sydney

Our best American Airlines deals on Oregon to Sydney flight tickets

American Airlines

17 Nov

BOI07:00Boise Air Term. Gowen Fld

29h 55m

1 stop

SYD06:55Sydney Kingsford Smith

24 Nov

SYD14:05Sydney Kingsford Smith

26h 02m

1 stop

BOI22:07Boise Air Term. Gowen Fld

$1,765

Find similar

American Airlines

17 Nov

BOI14:16Boise Air Term. Gowen Fld

24h 44m

2 stops

SYD09:00Sydney Kingsford Smith

24 Nov

SYD11:20Sydney Kingsford Smith

24h 34m

2 stops

BOI17:54Boise Air Term. Gowen Fld

$1,769

Find similar

American Airlines

17 Nov

BOI14:16Boise Air Term. Gowen Fld

24h 44m

2 stops

SYD09:00Sydney Kingsford Smith

24 Nov

SYD14:05Sydney Kingsford Smith

26h 02m

1 stop

BOI22:07Boise Air Term. Gowen Fld

$1,771

Find similar

United Airlines flights from Oregon to Sydney

Our best United Airlines deals on Oregon to Sydney flight tickets

United Airlines

6 Mar

RDM13:07Bend/Redmond

46h 53m

2 stops

SYD07:00Sydney Kingsford Smith

20 Mar

SYD10:20Sydney Kingsford Smith

29h 06m

2 stops

RDM21:26Bend/Redmond

$1,376

Find similar

United Airlines

6 Mar

RDM13:07Bend/Redmond

48h 58m

2 stops

SYD09:05Sydney Kingsford Smith

20 Mar

SYD10:20Sydney Kingsford Smith

29h 06m

2 stops

RDM21:26Bend/Redmond

$1,377

Find similar

United Airlines

10 Feb

EUG13:10Eugene

24h 55m

2 stops

SYD09:05Sydney Kingsford Smith

28 Feb

SYD11:20Sydney Kingsford Smith

28h 45m

2 stops

EUG21:05Eugene

$1,386

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 6/3

13:07-07:00

2 stops46h 53m

Sydney Kingsford Smith

Fri 20/3

10:20-21:26

2 stops29h 06m

$1,376

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 6/3

13:07-09:05

2 stops48h 58m

Sydney Kingsford Smith

Fri 20/3

10:20-21:26

2 stops29h 06m

$1,377

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 17/2

09:50-09:35

1 stop28h 45m

Sydney Kingsford Smith

Tue 3/3

11:20-18:30

1 stop26h 10m

$1,551

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 17/3

19:00-08:35

1 stop19h 35m

Sydney Kingsford Smith

Tue 24/3

21:20-09:15

2 stops29h 55m

$1,574

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 17/2

19:00-16:40

2 stops26h 40m

Sydney Kingsford Smith

Tue 3/3

11:20-09:15

1 stop16h 55m

$1,580

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 6/2

16:51-06:10

1 stop18h 19m

Sydney Kingsford Smith

Mon 23/2

07:15-17:11

2 stops28h 56m

$1,591

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 17/2

19:00-13:00

2 stops23h 00m

Sydney Kingsford Smith

Tue 3/3

11:20-09:15

1 stop16h 55m

$1,592

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 26/2

06:40-07:35

2 stops53h 55m

Sydney Kingsford Smith

Tue 10/3

21:25-20:38

1 stop17h 13m

$1,631

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 9/3

07:10-19:45

1 stop18h 35m

Sydney Kingsford Smith

Tue 24/3

21:40-22:50

1 stop19h 10m

$1,749

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 9/3

07:10-19:45

1 stop18h 35m

Sydney Kingsford Smith

Tue 24/3

21:40-06:11

2 stops26h 31m

$1,765

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 $1,526. If you aren’t able to travel to Sydney during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,545.

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 $1,244. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,020.

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 $1,396. 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 $1,811 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 $1,715 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 $1,563 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

Direct flights	None

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 November 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 $1,277	Free cancellation	Rating 7.4 9,002 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.