How long does it take to fly to Sydney?

If you’re flying from a popular airport in Oregon, such as Portland or Eugene, and flying into Sydney, then you can expect flight times to average 17h 45m and 21h 10m, respectively.

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

United Airlines, Alaska Airlines, and Delta 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 August 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.

$787 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.

07:46 - 18:50PDX Portland-SYD Sydney Kingsford Smith

18h 04m1 stop Honolulu

20:45 - 06:14SYD Sydney Kingsford Smith-PDX Portland

26h 29m1 stop Honolulu

$1,474Alaska Airlines

Mon, 17 Aug - Sun, 30 Aug

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

09:20 - 19:11SYD Sydney Kingsford Smith-PDX Portland

26h 51m1 stop Vancouver Intl

$1,511Air Canada

Mon, 17 Aug - Sun, 30 Aug

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

07:00 - 09:31SYD Sydney Kingsford Smith-PDX Portland

19h 31m2 stops Brisbane Vancouver Intl

$1,531Air Canada

Mon, 17 Aug - Sun, 30 Aug

08:00 - 18:50PDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

13:15 - 10:07SYD Sydney Kingsford Smith-PDX Portland

37h 52m2 stops Nadi Los Angeles Los Angeles

$1,534Multiple Airlines

Wed, 2 Sep - Wed, 9 Sep

08:00 - 19:45PDX Portland-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

21:40 - 20:49SYD Sydney Kingsford Smith-PDX Portland

18h 09m1 stop Honolulu

$1,540Alaska Airlines

Mon, 26 Oct - Tue, 24 Nov

07:46 - 18:50PDX Portland-SYD Sydney Kingsford Smith

18h 04m1 stop Honolulu

20:45 - 06:14SYD Sydney Kingsford Smith-PDX Portland

26h 29m1 stop Honolulu

$1,541Alaska Airlines

Mon, 17 Aug - Sun, 23 Aug

08:00 - 18:50PDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

20:45 - 06:14SYD Sydney Kingsford Smith-PDX Portland

26h 29m1 stop Honolulu

$1,544Alaska Airlines

Wed, 26 Aug - Tue, 8 Sep

13:57 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

23h 58m1 stop San Francisco

10:20 - 20:33SYD Sydney Kingsford Smith-EUG Eugene

27h 13m1 stop San Francisco

$1,548United Airlines

Tue, 8 Sep - Tue, 15 Sep

08:00 - 18:50PDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

20:45 - 20:50SYD Sydney Kingsford Smith-PDX Portland

17h 05m1 stop Honolulu

$1,548Alaska Airlines

Wed, 26 Aug - Tue, 8 Sep

12:47 - 07:00EUG Eugene-SYD Sydney Kingsford Smith

25h 13m2 stops Denver Intl Los Angeles Los Angeles

10:20 - 21:17SYD Sydney Kingsford Smith-EUG Eugene

27h 57m2 stops San Francisco Denver Intl

$1,554United Airlines

Tue, 8 Sep - Tue, 15 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

09:20 - 09:31SYD Sydney Kingsford Smith-PDX Portland

17h 11m1 stop Vancouver Intl

$1,657Air Canada

Mon, 10 Aug - Tue, 18 Aug

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

06:00 - 09:31SYD Sydney Kingsford Smith-PDX Portland

20h 31m2 stops Brisbane Vancouver Intl

$1,687Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

21:27 - 11:50PDX Portland-SYD Sydney Kingsford Smith

45h 23m2 stops Los Angeles Los Angeles Nadi

13:15 - 22:00SYD Sydney Kingsford Smith-PDX Portland

25h 45m2 stops Nadi Los Angeles Los Angeles

$1,716Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

13:59 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

23h 56m1 stop San Francisco

10:20 - 20:31SYD Sydney Kingsford Smith-EUG Eugene

27h 11m1 stop San Francisco

$1,743United Airlines

Sun, 9 Aug - Thu, 13 Aug

18:49 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

19h 06m1 stop San Francisco

10:20 - 11:43SYD Sydney Kingsford Smith-EUG Eugene

18h 23m1 stop San Francisco

$1,744United Airlines

Sun, 9 Aug - Thu, 13 Aug

13:59 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

23h 56m1 stop San Francisco

10:20 - 21:17SYD Sydney Kingsford Smith-EUG Eugene

27h 57m2 stops San Francisco Denver Intl

$1,748United Airlines

Sun, 9 Aug - Thu, 13 Aug

13:59 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

23h 56m1 stop San Francisco

10:20 - 21:17SYD Sydney Kingsford Smith-EUG Eugene

27h 57m2 stops San Francisco Denver Intl

$1,750United Airlines

Sun, 9 Aug - Thu, 13 Aug

06:35 - 07:05PDX Portland-SYD Sydney Kingsford Smith

31h 30m1 stop Los Angeles Los Angeles

17:50 - 20:48SYD Sydney Kingsford Smith-PDX Portland

19h 58m1 stop Los Angeles Los Angeles

$1,987Multiple Airlines

Sat, 8 Aug - Mon, 10 Aug

08:03 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 27m1 stop Los Angeles Los Angeles

17:50 - 22:45SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

20h 55m1 stop Los Angeles Los Angeles

$2,040Alaska Airlines

Sat, 8 Aug - Mon, 10 Aug

08:03 - 07:30BOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 27m1 stop Los Angeles Los Angeles

17:50 - 23:48SYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 58m2 stops Los Angeles Los Angeles Portland

$2,045Alaska Airlines

Sat, 8 Aug - Mon, 10 Aug

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Alaska Airlines flights from Oregon to Sydney

Our best Alaska Airlines deals on Oregon to Sydney flight tickets

Alaska Airlines

17 Aug

PDX07:46Portland

18h 04m

1 stop

SYD18:50Sydney Kingsford Smith

30 Aug

SYD20:45Sydney Kingsford Smith

26h 29m

1 stop

PDX06:14Portland

$1,474

Alaska Airlines

26 Oct

PDX08:00Portland

17h 45m

1 stop

SYD19:45Sydney Kingsford Smith

24 Nov

SYD21:40Sydney Kingsford Smith

18h 09m

1 stop

PDX20:49Portland

$1,540

Alaska Airlines

17 Aug

PDX07:46Portland

18h 04m

1 stop

SYD18:50Sydney Kingsford Smith

23 Aug

SYD20:45Sydney Kingsford Smith

26h 29m

1 stop

PDX06:14Portland

$1,541

Air Canada flights from Oregon to Sydney

Our best Air Canada deals on Oregon to Sydney flight tickets

Air Canada

17 Aug

PDX19:45Portland

18h 35m

1 stop

SYD07:20Sydney Kingsford Smith

30 Aug

SYD09:20Sydney Kingsford Smith

26h 51m

1 stop

PDX19:11Portland

$1,511

Air Canada

17 Aug

PDX19:45Portland

18h 35m

1 stop

SYD07:20Sydney Kingsford Smith

30 Aug

SYD07:00Sydney Kingsford Smith

19h 31m

2 stops

PDX09:31Portland

$1,531

Air Canada

14 Sept

PDX19:45Portland

18h 35m

1 stop

SYD07:20Sydney Kingsford Smith

29 Sept

SYD09:20Sydney Kingsford Smith

17h 11m

1 stop

PDX09:31Portland

$1,588

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 17/8

07:46-18:50

1 stop18h 04m

Sydney Kingsford Smith

Sun 30/8

20:45-06:14

1 stop26h 29m

$1,474

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 17/8

19:45-07:20

1 stop18h 35m

Sydney Kingsford Smith

Sun 30/8

09:20-19:11

1 stop26h 51m

$1,511

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 17/8

19:45-07:20

1 stop18h 35m

Sydney Kingsford Smith

Sun 30/8

07:00-09:31

2 stops19h 31m

$1,531

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 2/9

08:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Wed 9/9

13:15-10:07

2 stops37h 52m

$1,534

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 26/10

08:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Tue 24/11

21:40-20:49

1 stop18h 09m

$1,540

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 17/8

07:46-18:50

1 stop18h 04m

Sydney Kingsford Smith

Sun 23/8

20:45-06:14

1 stop26h 29m

$1,541

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 26/8

08:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Tue 8/9

20:45-06:14

1 stop26h 29m

$1,544

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 8/9

13:57-06:55

1 stop23h 58m

Sydney Kingsford Smith

Tue 15/9

10:20-20:33

1 stop27h 13m

$1,548

Fastest return journey

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 26/8

08:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Tue 8/9

20:45-20:50

1 stop17h 05m

$1,548

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 8/9

12:47-07:00

2 stops25h 13m

Sydney Kingsford Smith

Tue 15/9

10:20-21:17

2 stops27h 57m

$1,554

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 $1,520. 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 $1,586.

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 $1,736 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 $1,453 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

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 August 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 $2,392	Free cancellation	Rating 7.4 10,081 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Coogee

Manly

Leura

Randwick

Cronulla

Bondi Beach

Charlestown

Swansea

Newport

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.