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 17h 45m and 19h 12m, respectively.

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

Alaska Airlines, Air Canada, and ANA 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 June 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.

$731 Cheap Flights from Oregon to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:00 - 18:50

PDX

SYD

17h 50m

1 stop

20:45 - 20:46

SYD

PDX

17h 01m

1 stop

$1,543Alaska Airlines

Mon, 31 Aug - Sun, 13 Sep

08:00 - 18:50

PDX

SYD

17h 50m

1 stop

20:45 - 20:46

SYD

PDX

17h 01m

1 stop

$1,563Alaska Airlines

Mon, 31 Aug - Sun, 13 Sep

17:50 - 19:45

PDX

SYD

30h 55m

1 stop

21:40 - 06:05

SYD

PDX

27h 25m

1 stop

$1,582Multiple Airlines

Sun, 1 Nov - Sun, 15 Nov

10:30 - 18:50

PDX

SYD

39h 20m

1 stop

20:45 - 06:11

SYD

PDX

26h 26m

1 stop

$1,588Alaska Airlines

Tue, 4 Aug - Tue, 11 Aug

07:00 - 19:45

PDX

SYD

17h 45m

1 stop

21:40 - 20:49

SYD

PDX

18h 09m

1 stop

$1,592Multiple Airlines

Mon, 2 Nov - Tue, 10 Nov

14:11 - 07:00

MFR

SYD

23h 49m

2 stops

10:20 - 17:51

SYD

MFR

24h 31m

1 stop

$1,653United Airlines

Mon, 3 Aug - Mon, 10 Aug

05:00 - 07:00

MFR

SYD

33h 00m

2 stops

10:20 - 21:16

SYD

MFR

27h 56m

2 stops

$1,660United Airlines

Mon, 3 Aug - Mon, 10 Aug

13:55 - 07:30

BOI

SYD

25h 35m

2 stops

09:10 - 16:49

SYD

BOI

23h 39m

2 stops

$1,698American Airlines

Wed, 5 Aug - Wed, 12 Aug

13:57 - 07:30

BOI

SYD

25h 33m

2 stops

12:00 - 22:11

SYD

BOI

26h 11m

1 stop

$1,769American Airlines

Thu, 30 Jul - Mon, 31 Aug

18:57 - 08:05

BOI

SYD

20h 08m

1 stop

11:15 - 12:28

SYD

BOI

18h 13m

1 stop

$1,790Qantas Airways

Tue, 20 Oct - Tue, 27 Oct

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Qantas Airways flights from Oregon to Sydney

Our best Qantas Airways deals on Oregon to Sydney flight tickets

Qantas Airways

23 June

PDX15:27Portland

22h 38m

1 stop

SYD07:05Sydney Kingsford Smith

2 Aug

SYD17:50Sydney Kingsford Smith

23h 06m

1 stop

PDX23:56Portland

$1,586

Qantas Airways

9 Nov

PDX17:00Portland

22h 20m

2 stops

SYD10:20Sydney Kingsford Smith

18 Nov

SYD21:25Sydney Kingsford Smith

18h 25m

1 stop

PDX20:50Portland

$1,623

Qantas Airways

6 Oct

PDX14:49Portland

21h 36m

1 stop

SYD06:25Sydney Kingsford Smith

19 Oct

SYD10:20Sydney Kingsford Smith

30h 38m

2 stops

PDX22:58Portland

$1,673

United Airlines flights from Oregon to Sydney

Our best United Airlines deals on Oregon to Sydney flight tickets

United Airlines

3 Aug

MFR14:11Medford

23h 49m

2 stops

SYD07:00Sydney Kingsford Smith

10 Aug

SYD10:20Sydney Kingsford Smith

24h 31m

1 stop

MFR17:51Medford

$1,653

United Airlines

31 Aug

PDX12:45Portland

25h 15m

2 stops

SYD07:00Sydney Kingsford Smith

13 Sept

SYD10:20Sydney Kingsford Smith

21h 20m

1 stop

PDX14:40Portland

$1,659

United Airlines

3 Aug

MFR05:00Medford

33h 00m

2 stops

SYD07:00Sydney Kingsford Smith

10 Aug

SYD10:20Sydney Kingsford Smith

27h 56m

2 stops

MFR21:16Medford

$1,660

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 31/8

08:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Sun 13/9

20:45-20:46

1 stop17h 01m

$1,543

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 31/8

08:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Sun 13/9

20:45-20:46

1 stop17h 01m

$1,563

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 1/11

17:50-19:45

1 stop30h 55m

Sydney Kingsford Smith

Sun 15/11

21:40-06:05

1 stop27h 25m

$1,582

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 4/8

10:30-18:50

1 stop39h 20m

Sydney Kingsford Smith

Tue 11/8

20:45-06:11

1 stop26h 26m

$1,588

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/11

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Tue 10/11

21:40-20:49

1 stop18h 09m

$1,592

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 3/8

14:11-07:00

2 stops23h 49m

Sydney Kingsford Smith

Mon 10/8

10:20-17:51

1 stop24h 31m

$1,653

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 3/8

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Mon 10/8

10:20-21:16

2 stops27h 56m

$1,660

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Wed 5/8

13:55-07:30

2 stops25h 35m

Sydney Kingsford Smith

Wed 12/8

09:10-16:49

2 stops23h 39m

$1,698

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 30/7

13:57-07:30

2 stops25h 33m

Sydney Kingsford Smith

Mon 31/8

12:00-22:11

1 stop26h 11m

$1,769

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 20/10

18:57-08:05

1 stop20h 08m

Sydney Kingsford Smith

Tue 27/10

11:15-12:28

1 stop18h 13m

$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 April is, on average, the cheapest month to fly to Sydney from Oregon, with most prices found around $253. If you aren’t able to travel to Sydney during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $697.

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 $1,721 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 $1,498 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 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 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 June 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 $1,369	Free cancellation	Rating 7.4 9,875 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

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.