What airlines fly to Australia?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Australia from Oregon according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 8 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

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

How long is the flight from Oregon to Australia?

Flight times from Oregon to Australia vary, but if you’re flying out of Portland and flying into Sydney (one of the most popular routes), then the duration is 18h 04m on average. Another popular route from Oregon to Australia is flying from Eugene to Sydney, which will take roughly 21h 56m. Keep in mind that layovers or delays could extend your travel time.

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?

As of May 2026, there are 8 operators 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 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.

$583 Cheap Flights from Oregon to Australia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:54 am - 5:00 am

PDX

MEL

24h 06m

1 stop

9:45 am - 10:39 pm

MEL

PDX

29h 54m

1 stop

$1,080American Airlines

월, 8월 3 - 월, 8월 17

3:27 pm - 6:45 am

PDX

MEL

22h 18m

1 stop

9:45 am - 4:51 pm

MEL

PDX

24h 06m

2 stops

$1,086American Airlines

수, 6월 10 - 수, 8월 19

11:16 am - 8:15 am

PDX

MEL

27h 59m

1 stop

10:55 am - 2:47 pm

MEL

PDX

20h 52m

1 stop

$1,092United Airlines

수, 5월 27 - 수, 8월 26

6:03 pm - 8:15 am

PDX

MEL

21h 12m

1 stop

10:55 am - 8:54 pm

MEL

PDX

26h 59m

1 stop

$1,093United Airlines

월, 7월 27 - 금, 8월 7

5:35 pm - 11:50 am

PDX

SYD

25h 15m

2 stops

1:15 pm - 8:50 pm

SYD

PDX

24h 35m

2 stops

$1,094Multiple Airlines

일, 8월 23 - 월, 8월 31

7:00 am - 5:00 am

PDX

BNE

29h 00m

1 stop

8:35 pm - 9:55 pm

BNE

PDX

18h 20m

1 stop

$1,098Multiple Airlines

금, 9월 4 - 금, 9월 25

1:25 pm - 7:50 am

PDX

MEL

25h 25m

1 stop

10:00 am - 4:34 pm

MEL

PDX

23h 34m

1 stop

$1,100Delta

금, 7월 31 - 금, 8월 7

5:05 pm - 7:50 am

PDX

MEL

21h 45m

2 stops

10:00 am - 11:41 pm

MEL

PDX

30h 41m

2 stops

$1,104Delta

수, 9월 2 - 수, 9월 23

6:51 pm - 8:05 am

BOI

SYD

20h 14m

1 stop

7:05 am - 2:02 pm

SYD

BOI

23h 57m

2 stops

$1,109Qantas Airways

목, 10월 22 - 금, 10월 30

7:00 am - 5:00 am

PDX

BNE

29h 00m

1 stop

8:35 pm - 11:56 pm

BNE

PDX

20h 21m

1 stop

$1,133Qantas Airways

토, 7월 4 - 금, 7월 10

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets

Alaska Airlines

Jul 22

PDX7:46 amPortland

18h 04m

1 stop

SYD6:50 pmSydney Kingsford Smith

Jul 31

SYD8:45 pmSydney Kingsford Smith

26h 26m

1 stop

PDX6:11 amPortland

$1,190

Alaska Airlines

Aug 2

PDX10:30 amPortland

39h 20m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 21

SYD8:45 pmSydney Kingsford Smith

17h 01m

1 stop

PDX8:46 pmPortland

$1,197

Alaska Airlines

May 22

PDX8:00 amPortland

17h 50m

1 stop

SYD6:50 pmSydney Kingsford Smith

May 24

SYD8:45 pmSydney Kingsford Smith

26h 35m

1 stop

PDX6:20 amPortland

$1,264

Air Tahiti Nui flights from Oregon to Australia

Our best Air Tahiti Nui deals on Oregon to Australia flight tickets

Air Tahiti Nui

May 7

PDX9:32 pmPortland

49h 18m

3 stops

MEL3:50 pmMelbourne

May 21

MEL6:35 amMelbourne

27h 03m

3 stops

PDX4:38 pmPortland

$2,176

Air Tahiti Nui

Sep 8

EUG1:31 pmEugene

35h 19m

3 stops

SYD5:50 pmSydney Kingsford Smith

Sep 15

SYD7:10 amSydney Kingsford Smith

30h 24m

3 stops

EUG8:34 pmEugene

$2,426

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

월 8/3

11:54 am-5:00 am

1 stop24h 06m

Melbourne

월 8/17

9:45 am-10:39 pm

1 stop29h 54m

$1,080

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

수 6/10

3:27 pm-6:45 am

1 stop22h 18m

Melbourne

수 8/19

9:45 am-4:51 pm

2 stops24h 06m

$1,086

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

수 5/27

11:16 am-8:15 am

1 stop27h 59m

Melbourne

수 8/26

10:55 am-2:47 pm

1 stop20h 52m

$1,092

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

월 7/27

6:03 pm-8:15 am

1 stop21h 12m

Melbourne

금 8/7

10:55 am-8:54 pm

1 stop26h 59m

$1,093

PortlandSydney

PDX - SYD

PDXSYD

Portland

일 8/23

5:35 pm-11:50 am

2 stops25h 15m

Sydney Kingsford Smith

월 8/31

1:15 pm-8:50 pm

2 stops24h 35m

$1,094

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

금 9/4

7:00 am-5:00 am

1 stop29h 00m

Brisbane

금 9/25

8:35 pm-9:55 pm

1 stop18h 20m

$1,098

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

금 7/31

1:25 pm-7:50 am

1 stop25h 25m

Melbourne

금 8/7

10:00 am-4:34 pm

1 stop23h 34m

$1,100

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

수 9/2

5:05 pm-7:50 am

2 stops21h 45m

Melbourne

수 9/23

10:00 am-11:41 pm

2 stops30h 41m

$1,104

Quickest round-trip

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

목 10/22

6:51 pm-8:05 am

1 stop20h 14m

Sydney Kingsford Smith

금 10/30

7:05 am-2:02 pm

2 stops23h 57m

$1,109

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

토 7/4

7:00 am-5:00 am

1 stop29h 00m

Brisbane

금 7/10

8:35 pm-11:56 pm

1 stop20h 21m

$1,133

Flights are sorted by cheapest round-trip 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?

The month of September is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $139. If you aren’t able to travel during the month of September, then book flights to Australia from Oregon during April instead. Flights to Australia in April, while not as cheap as those in September, still average around $177.

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 $1,217 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 $903 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 15% 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.

Search flight deals

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Australia?
As of May 2026, there are 8 operators 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 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
Delta	PriceFrom $229	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $550	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,030 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $784	Free Cancellation	Rating 7.1 10,998 reviews	Search Air Canada flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $999	Free Cancellation	Rating 7.9 12,330 reviews	Search Alaska Airlines flights
Alaska Airlines	PriceFrom $1,140	Free Cancellation	Rating 0.0	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.