Cheap flights from Oregon to Australia from $668

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 8/4. 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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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
10:15 - 09:30
BNE
-
PDX
16h 15m
1 stop
$1,219Air Canada
Tue, 9 Jun - Tue, 16 Jun
Air Canada Logo
15:30 - 07:05
PDX
-
BNE
22h 35m
1 stop
Air Canada Logo
10:00 - 19:05
BNE
-
PDX
26h 05m
1 stop
$1,223Air Canada
Wed, 13 May - Wed, 27 May
Multiple Airlines Logo
19:45 - 12:05
PDX
-
BNE
23h 20m
2 stops
Multiple Airlines Logo
10:00 - 09:31
BNE
-
PDX
16h 31m
1 stop
$1,263Multiple Airlines
Thu, 10 Sep - Sun, 27 Sep
Multiple Airlines Logo
15:30 - 07:05
PDX
-
BNE
22h 35m
1 stop
Multiple Airlines Logo
19:25 - 09:30
BNE
-
PDX
31h 05m
2 stops
$1,265Multiple Airlines
Wed, 13 May - Wed, 27 May
United Airlines Logo
14:11 - 06:55
MFR
-
SYD
23h 44m
1 stop
United Airlines Logo
10:20 - 17:51
SYD
-
MFR
24h 31m
1 stop
$1,430United Airlines
Wed, 27 May - Mon, 10 Aug
United Airlines Logo
18:49 - 06:55
EUG
-
SYD
19h 06m
1 stop
United Airlines Logo
10:20 - 11:58
SYD
-
EUG
18h 38m
1 stop
$1,430United Airlines
Tue, 4 Aug - Tue, 18 Aug
Delta Logo
05:15 - 06:50
MFR
-
SYD
32h 35m
2 stops
Delta Logo
09:15 - 23:13
SYD
-
MFR
30h 58m
2 stops
$1,437Delta
Wed, 27 May - Mon, 10 Aug
Delta Logo
17:44 - 06:50
EUG
-
SYD
44h 06m
2 stops
Delta Logo
09:15 - 12:55
SYD
-
EUG
20h 40m
2 stops
$1,457Delta
Sat, 2 May - Sun, 17 May
American Airlines Logo
06:40 - 05:00
EUG
-
BNE
29h 20m
2 stops
American Airlines Logo
20:35 - 13:26
BNE
-
EUG
33h 51m
2 stops
$1,574American Airlines
Sun, 3 May - Sun, 10 May
American Airlines Logo
14:14 - 07:30
BOI
-
SYD
25h 16m
2 stops
American Airlines Logo
12:00 - 22:54
SYD
-
BOI
26h 54m
1 stop
$1,752American Airlines
Sun, 19 Apr - Sun, 26 Apr

United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets
United Airlines
27 May
MFR14:11Medford
23h 49m
2 stops
SYD07:00Sydney Kingsford Smith
10 Aug
SYD10:20Sydney Kingsford Smith
24h 31m
1 stop
MFR17:51Medford
$1,430
United Airlines
27 May
MFR14:11Medford
23h 49m
2 stops
SYD07:00Sydney Kingsford Smith
10 Aug
SYD10:20Sydney Kingsford Smith
18h 44m
1 stop
MFR12:04Medford
$1,431
United Airlines
3 May
EUG05:00Eugene
32h 55m
2 stops
SYD06:55Sydney Kingsford Smith
19 May
SYD10:20Sydney Kingsford Smith
18h 30m
1 stop
EUG11:50Eugene
$1,437

Air New Zealand flights from Oregon to Australia

Our best Air New Zealand deals on Oregon to Australia flight tickets
Air New Zealand
1 July
MFR18:35Medford
19h 20m
1 stop
SYD06:55Sydney Kingsford Smith
26 July
SYD10:20Sydney Kingsford Smith
18h 44m
1 stop
MFR12:04Medford
$1,677
Air New Zealand
30 July
BOI19:05Boise Air Term. Gowen Fld
19h 50m
1 stop
SYD06:55Sydney Kingsford Smith
31 Aug
SYD11:55Sydney Kingsford Smith
25h 24m
2 stops
BOI21:19Boise Air Term. Gowen Fld
$2,170
Air New Zealand
20 Aug
MFR18:26Medford
19h 29m
1 stop
SYD06:55Sydney Kingsford Smith
1 Sept
SYD10:20Sydney Kingsford Smith
18h 42m
1 stop
MFR12:02Medford
$4,814

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 23 March 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 9/6

10:10-07:05

1 stop27h 55m

Brisbane

Tue 16/6

10:15-09:30

1 stop16h 15m

$1,219

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 13/5

15:30-07:05

1 stop22h 35m

Brisbane

Wed 27/5

10:00-19:05

1 stop26h 05m

$1,223

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 10/9

19:45-12:05

2 stops23h 20m

Brisbane

Sun 27/9

10:00-09:31

1 stop16h 31m

$1,263

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 13/5

15:30-07:05

1 stop22h 35m

Brisbane

Wed 27/5

19:25-09:30

2 stops31h 05m

$1,264

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

14:11-06:55

1 stop23h 44m

Sydney Kingsford Smith

Mon 10/8

10:20-17:51

1 stop24h 31m

$1,430
Fastest return journey

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 4/8

18:49-06:55

1 stop19h 06m

Sydney Kingsford Smith

Tue 18/8

10:20-11:58

1 stop18h 38m

$1,430

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

05:15-06:50

2 stops32h 35m

Sydney Kingsford Smith

Mon 10/8

09:15-23:13

2 stops30h 58m

$1,437

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 2/5

17:44-06:50

2 stops44h 06m

Sydney Kingsford Smith

Sun 17/5

09:15-12:55

2 stops20h 40m

$1,457

EugeneBrisbane

EUG - BNE

EUGBNE

Eugene

Sun 3/5

06:40-05:00

2 stops29h 20m

Brisbane

Sun 10/5

20:35-13:26

2 stops33h 51m

$1,574

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 19/4

14:14-07:30

2 stops25h 16m

Sydney Kingsford Smith

Sun 26/4

12:00-22:54

1 stop26h 54m

$1,752

Flights are sorted by cheapest return 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?

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 $1,425. If you don’t want to visit Australia in September, then you should wait until October to fly from Oregon, when ticket prices are also cheap, with an average price of $1,619.

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 $1,738 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 $1,274 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 26% 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

18h 20m

Direct flights

None
The fastest flight from Oregon to Australia takes 18h 20m
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 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 $730Free cancellationRating
7.4
9,460 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
Wed 22/4
Wed 29/4

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