What is the cheapest airline that flies from Oregon to Australia?

American Airlines, United Airlines, and Qantas Airways are the most popular carriers operating from Oregon to Australia

How long is the flight from Oregon to Australia?

The flight from Oregon to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Portland (a popular airport in Oregon) to Sydney (the most popular airport in Australia), then the flight time is 17h 55m on average. If you fly from Eugene (another popular airport in Oregon) to Sydney, then the average flight time is 19h 28m.

When did momondo last update prices for flights from Oregon to Australia?

Prices for flights from Oregon to Australia refresh daily.

How many operators does momondo search for flights from Oregon to Australia?

As of August 2025, there is 1 operator available to choose from for flights from Oregon to Australia.

How old do you have to be to fly from Oregon to Australia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia 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 Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$696 Cheap Flights from Oregon to Australia in 2025

1 adult

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Find the cheapest flights from Oregon to Australia

Round-trip

One-way

Last minute

Cheap return flights

19:40 - 07:20PDX-SYD

18h 40m1 stop

09:20 - 09:21SYD-PDX

17h 01m1 stop

$1,253Air Canada

Find Deal

Sun, 31 Aug - Sun, 14 Sep

14:50 - 07:05PDX-SYD

23h 15m1 stop

17:45 - 21:16SYD-PDX

20h 31m1 stop

$1,273Qantas Airways

Find Deal

Fri, 26 Sep - Sat, 4 Oct

19:40 - 11:40PDX-SYD

23h 00m2 stops

06:00 - 09:30SYD-PDX

20h 30m2 stops

$1,344

Find Deal

Sun, 24 Aug - Sun, 31 Aug

19:40 - 13:20PDX-MEL

24h 40m2 stops

21:00 - 09:21MEL-PDX

29h 21m2 stops

$1,347

Find Deal

Sun, 31 Aug - Sat, 20 Sep

18:35 - 06:55MFR-SYD

19h 20m1 stop

10:20 - 17:51SYD-MFR

24h 31m1 stop

$1,355United Airlines

Find Deal

Sat, 16 Aug - Sat, 23 Aug

13:00 - 07:00MFR-SYD

25h 00m2 stops

10:20 - 21:04SYD-MFR

27h 44m2 stops

$1,361United Airlines

Find Deal

Sat, 16 Aug - Sat, 23 Aug

12:35 - 07:25PDX-SYD

23h 50m1 stop

11:15 - 15:09SYD-PDX

22h 54m1 stop

$1,472American Airlines

Find Deal

Fri, 5 Dec - Thu, 18 Dec

13:57 - 07:05BOI-SYD

25h 08m2 stops

09:10 - 20:02SYD-BOI

26h 52m2 stops

$1,478American Airlines

Find Deal

Fri, 5 Sep - Fri, 12 Sep

06:00 - 06:35MFR-SYD

31h 35m2 stops

09:25 - 22:21SYD-MFR

29h 56m2 stops

$1,615Delta

Find Deal

Sat, 23 Aug - Wed, 27 Aug

06:30 - 06:35EUG-SYD

31h 05m2 stops

09:25 - 22:46SYD-EUG

30h 21m2 stops

$1,615Delta

Find Deal

Sat, 23 Aug - Wed, 27 Aug

Delta flights from Oregon to Australia

Our best Delta deals on Oregon to Australia flight tickets

Delta

23 Aug

MFR06:00Medford

31h 35m

2 stops

SYD06:35Sydney Kingsford Smith

27 Aug

SYD09:25Sydney Kingsford Smith

29h 56m

2 stops

MFR22:21Medford

$1,615

Find similar

Delta

12 Jan

MFR06:05Medford

31h 25m

2 stops

SYD08:30Sydney Kingsford Smith

27 Jan

SYD10:40Sydney Kingsford Smith

31h 29m

2 stops

MFR23:09Medford

$1,616

Find similar

Delta

11 Aug

PDX17:05Portland

20h 30m

2 stops

SYD06:35Sydney Kingsford Smith

17 Aug

SYD09:25Sydney Kingsford Smith

31h 27m

2 stops

PDX23:52Portland

$1,986

Find similar

Air Canada flights from Oregon to Australia

Our best Air Canada deals on Oregon to Australia flight tickets

Air Canada

31 Aug

PDX19:40Portland

18h 40m

1 stop

SYD07:20Sydney Kingsford Smith

14 Sept

SYD09:20Sydney Kingsford Smith

17h 01m

1 stop

PDX09:21Portland

$1,253

Find similar

Air Canada

12 Aug

PDX15:25Portland

22h 55m

1 stop

SYD07:20Sydney Kingsford Smith

19 Aug

SYD07:30Sydney Kingsford Smith

19h 00m

2 stops

PDX09:30Portland

$1,274

Find similar

Air Canada

31 Aug

PDX19:40Portland

33h 40m

2 stops

SYD22:20Sydney Kingsford Smith

14 Sept

SYD09:20Sydney Kingsford Smith

17h 01m

1 stop

PDX09:21Portland

$1,282

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 31/8

19:40-07:20

1 stop18h 40m

Sydney Kingsford Smith

Sun 14/9

09:20-09:21

1 stop17h 01m

$1,253

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 26/9

14:50-07:05

1 stop23h 15m

Sydney Kingsford Smith

Sat 4/10

17:45-21:16

1 stop20h 31m

$1,273

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 24/8

19:40-11:40

2 stops23h 00m

Sydney Kingsford Smith

Sun 31/8

06:00-09:30

2 stops20h 30m

$1,344

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 31/8

19:40-13:20

2 stops24h 40m

Melbourne

Sat 20/9

21:00-09:21

2 stops29h 21m

$1,347

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 16/8

18:35-06:55

1 stop19h 20m

Sydney Kingsford Smith

Sat 23/8

10:20-17:51

1 stop24h 31m

$1,355

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 16/8

13:00-07:00

2 stops25h 00m

Sydney Kingsford Smith

Sat 23/8

10:20-21:04

2 stops27h 44m

$1,361

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 5/12

12:35-07:25

1 stop23h 50m

Sydney Kingsford Smith

Thu 18/12

11:15-15:09

1 stop22h 54m

$1,472

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Fri 5/9

13:57-07:05

2 stops25h 08m

Sydney Kingsford Smith

Fri 12/9

09:10-20:02

2 stops26h 52m

$1,478

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 23/8

06:00-06:35

2 stops31h 35m

Sydney Kingsford Smith

Wed 27/8

09:25-22:21

2 stops29h 56m

$1,615

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 23/8

06:30-06:35

2 stops31h 05m

Sydney Kingsford Smith

Wed 27/8

09:25-22:46

2 stops30h 21m

$1,615

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 Australia

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 Australia?

In general, September is the cheapest month to fly from Oregon to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,560. If you don’t want to visit Australia in September, then you should wait until May to fly from Oregon, when ticket prices are also cheap, with an average price of $1,607.

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

On average, the least expensive day to fly to Australia from Oregon is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,251. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Oregon to Australia on a Sunday will generally be more expensive and average around $2,032. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Oregon to Australia in the morning for as low as $1,405. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the afternoon, with an average ticket price of $1,822. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,768 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Oregon for as low as $1,426 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 34% on your flight if you consider stops on a Oregon to Australia flight.

Cheap Oregon to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Australia

Best price found	$696
Fastest flight time	18h 00m
Direct flights	None
Airports in Australia	3 airports

The best one-way flight to Australia from Oregon in the past 72 hours is $696. The best return flight deal from Oregon to Australia found on momondo in the last 72 hours is $1,253.

The fastest flight from Oregon to Australia takes 18h 00m

There are no direct flights from Oregon to Australia. Popular non-direct routes for this connection are Portland Airport - Sydney Kingsford Smith Airport, Eugene Airport - Brisbane Airport and Portland Airport - Brisbane Airport.

There are 3 airports near Australia: Melbourne (MEL), Brisbane (BNE), Sydney Kingsford Smith (SYD)

Search flight deals

When did momondo last update prices for flights from Oregon to Australia?
Prices for flights from Oregon to Australia refresh daily.
How many operators does momondo search for flights from Oregon to Australia?
As of August 2025, there is 1 operator available to choose from for flights from Oregon to Australia.
How old do you have to be to fly from Oregon to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia 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 Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Australia

Compare and see reviews for airlines that fly from Oregon to Australia with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,314	Free cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Oregon to Australia flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Oregon.

I’m not ready to book a flight from Oregon to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oregon to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.