What is the cheapest airline that flies from Portland to Melbourne?

United Airlines, Air Canada, and Qantas Airways are the most popular carriers operating from Portland to Melbourne

When did momondo last update prices for flights from Portland Airport to Melbourne?

Prices for flights from Portland Airport to Melbourne are updated daily.

How old do you have to be to fly from Portland Airport to Melbourne?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Melbourne.

What documentation or ID do you need to fly to Melbourne?

The necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$832 Cheap Flights from Portland to Melbourne in 2025/26

1 adult

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Find the cheapest flights from Portland to Melbourne

Round-trip

One-way

Last minute

Cheap return flights

17:30 - 09:30PDX-MEL

21h 00m1 stop

06:45 - 16:28MEL-PDX

28h 43m2 stops

$1,428Qantas Airways

Find Deal

Sat, 17 Jan - Sat, 24 Jan

15:43 - 15:35PDX-MEL

28h 52m2 stops

09:45 - 22:30MEL-PDX

29h 45m1 stop

$1,437Qantas Airways

Find Deal

Tue, 24 Feb - Tue, 26 May

19:30 - 10:00PDX-MEL

19h 30m1 stop

12:00 - 14:42MEL-PDX

20h 42m1 stop

$1,472United Airlines

Find Deal

Thu, 5 Mar - Sat, 14 Mar

17:15 - 09:15PDX-MEL

22h 00m1 stop

10:30 - 17:52MEL-PDX

25h 22m2 stops

$1,479United Airlines

Find Deal

Thu, 23 Oct - Fri, 31 Oct

10:00 - 08:00PDX-MEL

27h 00m1 stop

09:10 - 16:15MEL-PDX

25h 05m1 stop

$1,543Delta

Find Deal

Fri, 6 Mar - Sun, 15 Mar

19:14 - 08:00PDX-MEL

41h 46m2 stops

10:00 - 18:41MEL-PDX

25h 41m2 stops

$1,550Delta

Find Deal

Tue, 24 Feb - Sun, 14 Jun

19:00 - 14:15PDX-MEL

24h 15m2 stops

06:05 - 09:15MEL-PDX

21h 10m2 stops

$1,555Multiple Airlines

Find Deal

Sun, 1 Mar - Wed, 11 Mar

19:00 - 15:35PDX-MEL

25h 35m2 stops

07:10 - 09:15MEL-PDX

20h 05m2 stops

$1,570Air Canada

Find Deal

Fri, 6 Mar - Sun, 15 Mar

15:15 - 13:05PDX-MEL

27h 50m2 stops

07:10 - 09:15MEL-PDX

20h 05m2 stops

$1,573Air Canada

Find Deal

Sun, 8 Mar - Sun, 15 Mar

19:00 - 14:05PDX-MEL

24h 05m2 stops

20:30 - 09:35MEL-PDX

30h 05m2 stops

$1,593Multiple Airlines

Find Deal

Tue, 24 Feb - Sun, 14 Jun

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets

United Airlines

5 Mar

PDX19:30Portland

19h 30m

1 stop

MEL10:00Melbourne

14 Mar

MEL12:00Melbourne

20h 42m

1 stop

PDX14:42Portland

$1,472

Find similar

United Airlines

23 Oct

PDX17:15Portland

22h 00m

1 stop

MEL09:15Melbourne

31 Oct

MEL10:30Melbourne

25h 22m

2 stops

PDX17:52Portland

$1,479

Find similar

United Airlines

20 Nov

PDX06:00Portland

33h 00m

1 stop

MEL10:00Melbourne

28 Nov

MEL13:00Melbourne

24h 36m

1 stop

PDX18:36Portland

$1,482

Find similar

Delta flights from Portland to Melbourne

Our best Delta deals on Portland to Melbourne flight tickets

Delta

6 Mar

PDX10:00Portland

27h 00m

1 stop

MEL08:00Melbourne

15 Mar

MEL09:10Melbourne

25h 05m

1 stop

PDX16:15Portland

$1,543

Find similar

Delta

24 Feb

PDX19:14Portland

41h 46m

2 stops

MEL08:00Melbourne

14 June

MEL10:00Melbourne

25h 41m

2 stops

PDX18:41Portland

$1,550

Find similar

Delta

8 Mar

PDX19:45Portland

42h 15m

2 stops

MEL08:00Melbourne

13 Mar

MEL09:10Melbourne

25h 05m

1 stop

PDX16:15Portland

$1,718

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 17/1

17:30-09:30

1 stop21h 00m

Melbourne

Sat 24/1

06:45-16:28

2 stops28h 43m

$1,428

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

15:43-15:35

2 stops28h 52m

Melbourne

Tue 26/5

09:45-22:30

1 stop29h 45m

$1,437

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/3

19:30-10:00

1 stop19h 30m

Melbourne

Sat 14/3

12:00-14:42

1 stop20h 42m

$1,472

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 23/10

17:15-09:15

1 stop22h 00m

Melbourne

Fri 31/10

10:30-17:52

2 stops25h 22m

$1,479

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 6/3

10:00-08:00

1 stop27h 00m

Melbourne

Sun 15/3

09:10-16:15

1 stop25h 05m

$1,543

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

19:14-08:00

2 stops41h 46m

Melbourne

Sun 14/6

10:00-18:41

2 stops25h 41m

$1,550

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/3

19:00-14:15

2 stops24h 15m

Melbourne

Wed 11/3

06:05-09:15

2 stops21h 10m

$1,555

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 6/3

19:00-15:35

2 stops25h 35m

Melbourne

Sun 15/3

07:10-09:15

2 stops20h 05m

$1,570

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/3

15:15-13:05

2 stops27h 50m

Melbourne

Sun 15/3

07:10-09:15

2 stops20h 05m

$1,573

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

19:00-14:05

2 stops24h 05m

Melbourne

Sun 14/6

20:30-09:35

2 stops30h 05m

$1,593

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Melbourne

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

What is the cheapest month to fly to Melbourne?

In general, November is the cheapest month to fly from Portland to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,519. If you aren’t able to travel to Melbourne during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,816.

How far in advance should I book a flight to Melbourne?

You are more likely to see cheaper flights to Melbourne from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $2,056 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Portland for as low as $1,660 on momondo.

Cheap Portland to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Melbourne

Direct flights	None

There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.

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How far is Portland to Melbourne by plane?
Melbourne is 13045.2 km away from Portland. A reasonable flight in good conditions will take 19h 11m.
When did momondo last update prices for flights from Portland Airport to Melbourne?
Prices for flights from Portland Airport to Melbourne are updated daily.
How old do you have to be to fly from Portland Airport to Melbourne?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Melbourne.
What documentation or ID do you need to fly to Melbourne?
The necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Melbourne?

It is quick and easy to find Portland to Melbourne flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Melbourne that suits you.

Can I find flights from Portland to Melbourne with flexible booking policies on momondo?

momondo does allow users to show only those flights to Melbourne from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Melbourne?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Melbourne.

I’m not ready to book a flight from Portland to Melbourne right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Melbourne, momondo offers a useful price alert feature which will track prices for flights to Melbourne from Portland and alert you when they change.