Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland to Melbourne from $758

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Melbourne departing on 17/2. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:24 - 09:30
PDX
-
MEL
29h 06m
1 stop
Multiple Airlines Logo
13:55 - 11:52
MEL
-
PDX
39h 57m
2 stops
$1,299Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
10:30 - 09:30
PDX
-
MEL
29h 00m
1 stop
Multiple Airlines Logo
12:00 - 16:30
MEL
-
PDX
22h 30m
1 stop
$1,356Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
14:30 - 09:30
PDX
-
MEL
24h 00m
1 stop
Multiple Airlines Logo
12:00 - 16:41
MEL
-
PDX
22h 41m
1 stop
$1,358Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Multiple Airlines Logo
19:05 - 18:15
PDX
-
MEL
28h 10m
2 stops
Multiple Airlines Logo
06:40 - 09:15
MEL
-
PDX
20h 35m
2 stops
$1,362Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
American Airlines Logo
17:38 - 09:30
PDX
-
MEL
21h 52m
1 stop
American Airlines Logo
12:00 - 17:08
MEL
-
PDX
23h 08m
1 stop
$1,366American Airlines
Thu, 19 Mar - Tue, 24 Mar
Multiple Airlines Logo
19:45 - 11:25
PDX
-
MEL
22h 40m
2 stops
Multiple Airlines Logo
06:00 - 09:30
MEL
-
PDX
20h 30m
2 stops
$1,369Multiple Airlines
Fri, 8 May - Thu, 21 May
American Airlines Logo
11:48 - 06:45
PDX
-
MEL
25h 57m
2 stops
American Airlines Logo
09:45 - 15:07
MEL
-
PDX
22h 22m
1 stop
$1,372American Airlines
Fri, 8 May - Thu, 21 May
American Airlines Logo
11:48 - 06:45
PDX
-
MEL
25h 57m
2 stops
American Airlines Logo
09:45 - 15:10
MEL
-
PDX
22h 25m
1 stop
$1,373American Airlines
Fri, 8 May - Thu, 21 May
Qantas Airways Logo
10:43 - 20:05
PDX
-
AVV
40h 22m
2 stops
Qantas Airways Logo
16:40 - 23:48
AVV
-
PDX
24h 08m
2 stops
$3,404Qantas Airways
Thu, 16 Jul - Tue, 18 Aug
Qantas Airways Logo
17:38 - 14:10
PDX
-
AVV
26h 32m
2 stops
Qantas Airways Logo
15:00 - 20:32
AVV
-
PDX
23h 32m
2 stops
$4,435Qantas Airways
Thu, 19 Mar - Tue, 24 Mar

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets
American Airlines
19 Mar
PDX17:38Portland
21h 52m
1 stop
MEL09:30Melbourne
24 Mar
MEL12:00Melbourne
23h 08m
1 stop
PDX17:08Portland
$1,366
American Airlines
8 May
PDX11:48Portland
25h 57m
2 stops
MEL06:45Melbourne
21 May
MEL09:45Melbourne
22h 22m
1 stop
PDX15:07Portland
$1,372
American Airlines
8 May
PDX11:48Portland
25h 57m
2 stops
MEL06:45Melbourne
21 May
MEL09:45Melbourne
22h 25m
1 stop
PDX15:10Portland
$1,373

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets
United Airlines
14 Feb
PDX15:40Portland
23h 20m
1 stop
MEL10:00Melbourne
18 Feb
MEL13:00Melbourne
20h 48m
1 stop
PDX14:48Portland
$1,456
United Airlines
20 Feb
PDX19:57Portland
19h 03m
1 stop
MEL10:00Melbourne
28 Feb
MEL13:00Melbourne
20h 54m
1 stop
PDX14:54Portland
$1,458
United Airlines
24 Feb
PDX13:18Portland
25h 42m
2 stops
MEL10:00Melbourne
7 Mar
MEL13:00Melbourne
23h 56m
2 stops
PDX17:56Portland
$1,462

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Melbourne 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 8 February 2026.
Use the filters below to find and compare flights from Portland to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 7/3

09:24-09:30

1 stop29h 06m

Melbourne

Sat 14/3

13:55-11:52

2 stops39h 57m

$1,299

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/3

10:30-09:30

1 stop29h 00m

Melbourne

Wed 18/3

12:00-16:30

1 stop22h 30m

$1,356

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/3

14:30-09:30

1 stop24h 00m

Melbourne

Thu 12/3

12:00-16:41

1 stop22h 41m

$1,358

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/3

19:05-18:15

2 stops28h 10m

Melbourne

Thu 12/3

06:40-09:15

2 stops20h 35m

$1,362

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 19/3

17:38-09:30

1 stop21h 52m

Melbourne

Tue 24/3

12:00-17:08

1 stop23h 08m

$1,366

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

19:45-11:25

2 stops22h 40m

Melbourne

Thu 21/5

06:00-09:30

2 stops20h 30m

$1,369

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

11:48-06:45

2 stops25h 57m

Melbourne

Thu 21/5

09:45-15:07

1 stop22h 22m

$1,372

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

11:48-06:45

2 stops25h 57m

Melbourne

Thu 21/5

09:45-15:10

1 stop22h 25m

$1,373

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 16/7

10:43-20:05

2 stops40h 22m

Melbourne Avalon

Tue 18/8

16:40-23:48

2 stops24h 08m

$3,404

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 19/3

17:38-14:10

2 stops26h 32m

Melbourne Avalon

Tue 24/3

15:00-20:32

2 stops23h 32m

$4,435

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Melbourne from

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

What is the typical price of a round-trip flight between Portland and Melbourne?

What is the cheapest month to fly to Melbourne?

In general, February 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 $1,402. If you aren’t able to travel to Melbourne during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,450.

Cheap Portland to Melbourne flight deals and tips

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

Fastest flight time

20h 05m

Direct flights

None
The fastest flight from Portland to Melbourne takes 20h 05m
There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.
Search flight deals

  • How far is Portland to Melbourne by plane?

    Melbourne is 13045.2 km away from Portland. A reasonable flight in good conditions will take 20h 05m.

  • 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.

An easier way to manage your Melbourne trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/3
Tue 17/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 50.4 km from Melbourne
Melbourne Avalon Airport