Cheap flights from Oregon to Australia from $453

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 3/9. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:20 pm - 8:45 am
PDX
-
BNE
23h 25m
1 stop
Air Canada Logo
10:00 am - 9:10 am
BNE
-
PDX
16h 10m
1 stop
$859Air Canada
Mon, Feb 23 - Thu, Apr 30
Air Canada Logo
3:15 pm - 8:45 am
PDX
-
BNE
23h 30m
1 stop
Air Canada Logo
9:45 am - 2:40 pm
BNE
-
PDX
21h 55m
1 stop
$868Air Canada
Thu, Mar 5 - Thu, Mar 19
Multiple Airlines Logo
9:50 am - 8:45 am
PDX
-
BNE
28h 55m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
BNE
-
PDX
29h 50m
2 stops
$888Multiple Airlines
Mon, Feb 23 - Thu, Apr 30
Multiple Airlines Logo
7:05 pm - 1:25 pm
PDX
-
BNE
24h 20m
2 stops
Multiple Airlines Logo
9:45 am - 6:30 pm
BNE
-
PDX
25h 45m
1 stop
$896Multiple Airlines
Thu, Mar 5 - Thu, Mar 19
Qantas Airways Logo
6:25 am - 8:50 pm
PDX
-
SYD
43h 25m
2 stops
Qantas Airways Logo
11:20 am - 5:13 pm
SYD
-
PDX
24h 53m
1 stop
$913Qantas Airways
Mon, Feb 23 - Mon, Mar 2
Qantas Airways Logo
6:25 am - 8:50 pm
PDX
-
SYD
43h 25m
2 stops
Qantas Airways Logo
11:20 am - 5:13 pm
SYD
-
PDX
24h 53m
1 stop
$914Qantas Airways
Mon, Feb 23 - Sat, Mar 7
American Airlines Logo
5:43 pm - 9:30 am
PDX
-
MEL
20h 47m
1 stop
American Airlines Logo
4:05 pm - 11:27 pm
MEL
-
PDX
26h 22m
1 stop
$959American Airlines
Fri, Feb 20 - Sat, Feb 28
American Airlines Logo
1:09 pm - 6:45 am
PDX
-
MEL
24h 36m
1 stop
American Airlines Logo
9:45 am - 3:10 pm
MEL
-
PDX
22h 25m
1 stop
$960American Airlines
Fri, May 8 - Thu, May 21
Delta Logo
11:40 am - 6:50 am
EUG
-
SYD
26h 10m
2 stops
Delta Logo
9:15 am - 11:10 pm
SYD
-
EUG
30h 55m
2 stops
$982Delta
Sat, Apr 4 - Sat, Apr 25
Delta Logo
12:25 pm - 6:50 am
MFR
-
SYD
25h 25m
2 stops
Delta Logo
9:15 am - 11:13 pm
SYD
-
MFR
30h 58m
2 stops
$994Delta
Tue, Jun 23 - Wed, Jul 8

Air New Zealand flights from Oregon to Australia

Our best Air New Zealand deals on Oregon to Australia flight tickets
Air New Zealand
Feb 24
PDX7:05 pmPortland
19h 30m
1 stop
SYD9:35 amSydney Kingsford Smith
Mar 8
SYD11:20 amSydney Kingsford Smith
25h 10m
1 stop
PDX5:30 pmPortland
$1,165
Air New Zealand
May 13
BOI6:58 pmBoise Air Term. Gowen Fld
21h 47m
2 stops
SYD8:45 amSydney Kingsford Smith
May 15
SYD11:55 amSydney Kingsford Smith
21h 46m
2 stops
BOI5:41 pmBoise Air Term. Gowen Fld
$1,331
Air New Zealand
Jun 13
BOI9:10 pmBoise Air Term. Gowen Fld
41h 50m
2 stops
SYD7:00 amSydney Kingsford Smith
Jun 27
SYD7:20 pmSydney Kingsford Smith
43h 31m
2 stops
BOI10:51 pmBoise Air Term. Gowen Fld
$1,412

Qantas Airways flights from Oregon to Australia

Our best Qantas Airways deals on Oregon to Australia flight tickets
Qantas Airways
Feb 23
PDX6:25 amPortland
43h 25m
2 stops
SYD8:50 pmSydney Kingsford Smith
Mar 2
SYD11:20 amSydney Kingsford Smith
24h 53m
1 stop
PDX5:13 pmPortland
$913
Qantas Airways
Feb 23
PDX6:25 amPortland
43h 25m
2 stops
SYD8:50 pmSydney Kingsford Smith
Mar 7
SYD11:20 amSydney Kingsford Smith
24h 53m
1 stop
PDX5:13 pmPortland
$914
Qantas Airways
Feb 26
PDX6:25 amPortland
30h 00m
1 stop
SYD7:25 amSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
44h 47m
2 stops
PDX10:02 pmPortland
$921

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 3, 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

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 2/23

3:20 pm-8:45 am

1 stop23h 25m

Brisbane

Thu 4/30

10:00 am-9:10 am

1 stop16h 10m

$859

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 3/5

3:15 pm-8:45 am

1 stop23h 30m

Brisbane

Thu 3/19

9:45 am-2:40 pm

1 stop21h 55m

$868

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 2/23

9:50 am-8:45 am

1 stop28h 55m

Brisbane

Thu 4/30

8:40 pm-9:30 am

2 stops29h 50m

$888

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 3/5

7:05 pm-1:25 pm

2 stops24h 20m

Brisbane

Thu 3/19

9:45 am-6:30 pm

1 stop25h 45m

$896

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/23

6:25 am-8:50 pm

2 stops43h 25m

Sydney Kingsford Smith

Mon 3/2

11:20 am-5:13 pm

1 stop24h 53m

$913

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/23

6:25 am-8:50 pm

2 stops43h 25m

Sydney Kingsford Smith

Sat 3/7

11:20 am-5:13 pm

1 stop24h 53m

$914

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 2/20

5:43 pm-9:30 am

1 stop20h 47m

Melbourne

Sat 2/28

4:05 pm-11:27 pm

1 stop26h 22m

$959

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

1:09 pm-6:45 am

1 stop24h 36m

Melbourne

Thu 5/21

9:45 am-3:10 pm

1 stop22h 25m

$960

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 4/4

11:40 am-6:50 am

2 stops26h 10m

Sydney Kingsford Smith

Sat 4/25

9:15 am-11:10 pm

2 stops30h 55m

$982

MedfordSydney

MFR - SYD

MFRSYD

Medford

Tue 6/23

12:25 pm-6:50 am

2 stops25h 25m

Sydney Kingsford Smith

Wed 7/8

9:15 am-11:13 pm

2 stops30h 58m

$994

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of June is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $999. If you aren’t able to travel during the month of June, then book flights to Australia from Oregon during September instead. Flights to Australia in September, while not as cheap as those in June, still average around $999.

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 $1,175 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Oregon for as low as $897 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 19% 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.
  • When did momondo last update prices for flights from Oregon to Australia?

    Prices for flights from Oregon to Australia are refreshed on a daily basis.

  • 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 layovers. 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 license 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
DeltaPriceFrom $497Free CancellationRating
7.9
8,142 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
986 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $840Free CancellationRating
7.1
10,687 reviews
Search Air Canada flights
American AirlinesPriceFrom $855Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $999Free CancellationRating
8.0
11,836 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Australia from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. All flights to Australia 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 Australia?

Once you have performed a search for Oregon to Australia 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 Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oregon to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

An easier way to manage your Australia trip

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1 adult
Thu 3/5
Thu 3/12

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