Cheap flights from Oregon to Australia from $727

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Australia departing on 28/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Oregon to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:10 - 07:05
PDX
-
BNE
27h 55m
1 stop
Air Canada Logo
10:45 - 09:26
BNE
-
PDX
16h 41m
1 stop
$1,489Air Canada
Tue, 20 Oct - Tue, 3 Nov
Air Canada Logo
10:10 - 07:05
PDX
-
BNE
27h 55m
1 stop
Air Canada Logo
10:45 - 09:26
BNE
-
PDX
16h 41m
1 stop
$1,491Air Canada
Tue, 20 Oct - Tue, 3 Nov
Multiple Airlines Logo
19:10 - 08:45
PDX
-
BNE
20h 35m
1 stop
Multiple Airlines Logo
06:10 - 09:26
BNE
-
PDX
21h 16m
2 stops
$1,528Multiple Airlines
Sat, 31 Oct - Sun, 8 Nov
Multiple Airlines Logo
15:30 - 07:05
PDX
-
BNE
22h 35m
1 stop
Multiple Airlines Logo
06:10 - 09:26
BNE
-
PDX
21h 16m
2 stops
$1,529Multiple Airlines
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
06:35 - 06:45
PDX
-
MEL
31h 10m
1 stop
American Airlines Logo
09:45 - 16:51
MEL
-
PDX
24h 06m
2 stops
$1,541American Airlines
Thu, 13 Aug - Sun, 30 Aug
American Airlines Logo
06:35 - 06:45
PDX
-
MEL
31h 10m
1 stop
American Airlines Logo
09:45 - 18:59
MEL
-
PDX
26h 14m
2 stops
$1,542American Airlines
Thu, 6 Aug - Wed, 19 Aug
Qantas Airways Logo
07:00 - 06:45
PDX
-
MEL
30h 45m
1 stop
Qantas Airways Logo
09:45 - 23:59
MEL
-
PDX
31h 14m
1 stop
$1,551Qantas Airways
Thu, 6 Aug - Wed, 19 Aug
Alaska Airlines Logo
08:00 - 18:50
PDX
-
SYD
17h 50m
1 stop
Alaska Airlines Logo
20:45 - 20:46
SYD
-
PDX
17h 01m
1 stop
$1,570Alaska Airlines
Mon, 31 Aug - Sun, 13 Sep
Alaska Airlines Logo
08:00 - 18:50
PDX
-
SYD
17h 50m
1 stop
Alaska Airlines Logo
20:45 - 20:46
SYD
-
PDX
17h 01m
1 stop
$1,577Alaska Airlines
Mon, 31 Aug - Sun, 13 Sep
Qantas Airways Logo
10:45 - 14:30
PDX
-
TSV
33h 45m
2 stops
Qantas Airways Logo
09:05 - 20:31
TSV
-
PDX
29h 26m
2 stops
$2,047Qantas Airways
Thu, 12 Nov - Mon, 16 Nov

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Air New Zealand flights from Oregon to Australia

Our best Air New Zealand deals on Oregon to Australia flight tickets
Air New Zealand
24 Aug
BOI19:05Boise Air Term. Gowen Fld
21h 40m
2 stops
SYD08:45Sydney Kingsford Smith
1 Sept
SYD10:20Sydney Kingsford Smith
25h 04m
1 stop
BOI19:24Boise Air Term. Gowen Fld
$2,146
Air New Zealand
25 June
MFR14:11Medford
23h 44m
1 stop
SYD06:55Sydney Kingsford Smith
2 Dec
SYD11:50Sydney Kingsford Smith
25h 00m
1 stop
MFR17:50Medford
$4,871
Air New Zealand
25 June
MFR18:35Medford
19h 20m
1 stop
SYD06:55Sydney Kingsford Smith
2 Dec
SYD11:20Sydney Kingsford Smith
28h 50m
2 stops
MFR21:10Medford
$4,876

Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets
Alaska Airlines
29 June
PDX07:46Portland
18h 04m
1 stop
SYD18:50Sydney Kingsford Smith
12 July
SYD20:45Sydney Kingsford Smith
17h 05m
1 stop
PDX20:50Portland
$1,517
Alaska Airlines
31 Aug
PDX08:00Portland
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
13 Sept
SYD20:45Sydney Kingsford Smith
17h 01m
1 stop
PDX20:46Portland
$1,570
Alaska Airlines
31 Aug
PDX08:00Portland
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
13 Sept
SYD20:45Sydney Kingsford Smith
17h 01m
1 stop
PDX20:46Portland
$1,577

momondo Fare Finder

 
Customise your flight search to find flights from Oregon to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 24 June 2026.
Use the filters below to find and compare flights from Oregon to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 20/10

10:10-07:05

1 stop27h 55m

Brisbane

Tue 3/11

10:45-09:26

1 stop16h 41m

$1,489

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 20/10

10:10-07:05

1 stop27h 55m

Brisbane

Tue 3/11

10:45-09:26

1 stop16h 41m

$1,491

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 31/10

19:10-08:45

1 stop20h 35m

Brisbane

Sun 8/11

06:10-09:26

2 stops21h 16m

$1,528

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 20/10

15:30-07:05

1 stop22h 35m

Brisbane

Tue 3/11

06:10-09:26

2 stops21h 16m

$1,529

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 13/8

06:35-06:45

1 stop31h 10m

Melbourne

Sun 30/8

09:45-16:51

2 stops24h 06m

$1,541

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 6/8

06:35-06:45

1 stop31h 10m

Melbourne

Wed 19/8

09:45-18:59

2 stops26h 14m

$1,542

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 6/8

07:00-06:45

1 stop30h 45m

Melbourne

Wed 19/8

09:45-23:59

1 stop31h 14m

$1,551
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

$1,570

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

$1,577

PortlandTownsville

PDX - TSV

PDXTSV

Portland

Thu 12/11

10:45-14:30

2 stops33h 45m

Townsville

Mon 16/11

09:05-20:31

2 stops29h 26m

$2,046

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

In general, April 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 $255. If you don’t want to visit Australia in April, then you should wait until March to fly from Oregon, when ticket prices are also cheap, with an average price of $536.

How far in advance should I book a flight from Oregon 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 $1,736 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 $1,511 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 28% 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

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from Oregon to Australia takes 17h 45m
There are no direct flights from Oregon to Australia. There are no popular flight routes from Oregon to Australia.

Frequently asked questions about flying from Oregon to Australia

  • 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?

  • 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 AirlinesPriceFrom $738Free cancellationRating
7.4
9,881 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.

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1 adult
Fri 24/7
Fri 31/7

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