Cheap flights from Oregon to Australia from $807

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 2/9. 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

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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
10:45 - 14:40
BNE
-
PDX
21h 55m
1 stop
$1,431Air Canada
Tue, 20 Oct - Tue, 3 Nov
Air Canada Logo
15:30 - 07:05
PDX
-
BNE
22h 35m
1 stop
Air Canada Logo
14:05 - 14:40
BNE
-
PDX
42h 35m
2 stops
$1,478Air Canada
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
13:33 - 06:45
PDX
-
MEL
24h 12m
2 stops
American Airlines Logo
09:45 - 14:04
MEL
-
PDX
22h 19m
1 stop
$1,480American Airlines
Fri, 25 Sep - Sun, 18 Oct
American Airlines Logo
11:59 - 05:00
PDX
-
MEL
24h 01m
1 stop
American Airlines Logo
09:45 - 16:38
MEL
-
PDX
23h 53m
2 stops
$1,498American Airlines
Wed, 17 Jun - Fri, 17 Jul
United Airlines Logo
18:46 - 08:15
PDX
-
MEL
20h 29m
1 stop
United Airlines Logo
10:55 - 12:07
MEL
-
PDX
18h 12m
1 stop
$1,507United Airlines
Sun, 9 Aug - Sat, 22 Aug
United Airlines Logo
11:16 - 08:15
PDX
-
MEL
27h 59m
1 stop
United Airlines Logo
10:55 - 18:32
MEL
-
PDX
24h 37m
1 stop
$1,509United Airlines
Sun, 9 Aug - Sat, 22 Aug
Multiple Airlines Logo
10:05 - 07:45
PDX
-
BNE
28h 40m
1 stop
Multiple Airlines Logo
06:10 - 09:25
BNE
-
PDX
21h 15m
2 stops
$1,521Multiple Airlines
Sat, 31 Oct - Sun, 8 Nov
Multiple Airlines Logo
15:30 - 11:30
PDX
-
BNE
27h 00m
2 stops
Multiple Airlines Logo
10:00 - 09:31
BNE
-
PDX
16h 31m
1 stop
$1,522Multiple Airlines
Mon, 27 Jul - Fri, 7 Aug
Delta Logo
17:05 - 07:50
PDX
-
MEL
21h 45m
2 stops
Delta Logo
11:00 - 16:34
MEL
-
PDX
23h 34m
2 stops
$1,524Delta
Fri, 25 Sep - Sun, 18 Oct
Delta Logo
13:40 - 06:50
MFR
-
SYD
24h 10m
2 stops
Delta Logo
09:15 - 23:55
SYD
-
MFR
31h 40m
2 stops
$1,607Delta
Wed, 27 May - Mon, 10 Aug

Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets
Alaska Airlines
1 June
PDX08:00Portland
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
7 June
SYD20:45Sydney Kingsford Smith
26h 35m
1 stop
PDX06:20Portland
$1,546
Alaska Airlines
22 June
PDX07:46Portland
18h 04m
1 stop
SYD18:50Sydney Kingsford Smith
21 July
SYD20:45Sydney Kingsford Smith
26h 26m
1 stop
PDX06:11Portland
$1,589
Alaska Airlines
24 May
PDX17:34Portland
32h 16m
1 stop
SYD18:50Sydney Kingsford Smith
30 May
SYD20:45Sydney Kingsford Smith
26h 35m
1 stop
PDX06:20Portland
$1,601

Air New Zealand flights from Oregon to Australia

Our best Air New Zealand deals on Oregon to Australia flight tickets
Air New Zealand
27 May
MFR14:11Medford
23h 44m
1 stop
SYD06:55Sydney Kingsford Smith
10 Aug
SYD10:20Sydney Kingsford Smith
18h 44m
1 stop
MFR12:04Medford
$1,598
Air New Zealand
8 Sept
EUG13:57Eugene
23h 58m
1 stop
SYD06:55Sydney Kingsford Smith
15 Sept
SYD10:20Sydney Kingsford Smith
18h 38m
1 stop
EUG11:58Eugene
$1,695
Air New Zealand
8 Sept
EUG16:11Eugene
21h 44m
1 stop
SYD06:55Sydney Kingsford Smith
15 Sept
SYD10:20Sydney Kingsford Smith
27h 11m
1 stop
EUG20:31Eugene
$1,696

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 10 May 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

10:45-14:40

1 stop21h 55m

$1,431

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 20/10

15:30-07:05

1 stop22h 35m

Brisbane

Tue 3/11

14:05-14:40

2 stops42h 35m

$1,478

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 25/9

13:33-06:45

2 stops24h 12m

Melbourne

Sun 18/10

09:45-14:04

1 stop22h 19m

$1,480

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 17/6

11:59-05:00

1 stop24h 01m

Melbourne

Fri 17/7

09:45-16:38

2 stops23h 53m

$1,498
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/8

18:46-08:15

1 stop20h 29m

Melbourne

Sat 22/8

10:55-12:07

1 stop18h 12m

$1,507

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/8

11:16-08:15

1 stop27h 59m

Melbourne

Sat 22/8

10:55-18:32

1 stop24h 37m

$1,509

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 31/10

10:05-07:45

1 stop28h 40m

Brisbane

Sun 8/11

06:10-09:25

2 stops21h 15m

$1,521

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 27/7

15:30-11:30

2 stops27h 00m

Brisbane

Fri 7/8

10:00-09:31

1 stop16h 31m

$1,522

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 25/9

17:05-07:50

2 stops21h 45m

Melbourne

Sun 18/10

11:00-16:34

2 stops23h 34m

$1,524

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

13:40-06:50

2 stops24h 10m

Sydney Kingsford Smith

Mon 10/8

09:15-23:55

2 stops31h 40m

$1,607

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 $192. If you don’t want to visit Australia in September, then you should wait until April to fly from Oregon, when ticket prices are also cheap, with an average price of $244.

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 $1,669 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 $1,401 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 50m

Direct flights

None
The fastest flight from Oregon to Australia takes 17h 50m
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 $707Free cancellationRating
7.4
9,694 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
Tue 9/6
Tue 16/6

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