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Cheap flights from Portland to Melbourne from $856

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 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 14:20PDX  Portland-AVV Melbourne Avalon
25h 35m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
20:40 - 09:31AVV  Melbourne Avalon-PDX Portland
29h 51m2 stops Brisbane Vancouver Intl
$1,498Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
19:45 - 16:05PDX  Portland-AVV Melbourne Avalon
27h 20m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
20:55 - 09:31AVV  Melbourne Avalon-PDX Portland
29h 36m2 stops Sydney Kingsford Smith Vancouver Intl
$1,671Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
19:45 - 14:20PDX  Portland-AVV Melbourne Avalon
25h 35m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:00 - 09:31AVV  Melbourne Avalon-PDX Portland
21h 31m2 stops Sydney Kingsford Smith Vancouver Intl
$1,738Multiple Airlines
Sat, 26 Sep - Sun, 18 Oct
Multiple Airlines Logo
19:45 - 14:10PDX  Portland-AVV Melbourne Avalon
24h 25m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:31AVV  Melbourne Avalon-PDX Portland
21h 31m2 stops Sydney Kingsford Smith Vancouver Intl
$1,980Multiple Airlines
Wed, 14 Oct - Mon, 19 Oct
Multiple Airlines Logo
19:10 - 14:05PDX  Portland-AVV Melbourne Avalon
23h 55m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:26AVV  Melbourne Avalon-PDX Portland
22h 26m2 stops Sydney Kingsford Smith Vancouver Intl
$1,997Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
19:10 - 14:05PDX  Portland-AVV Melbourne Avalon
23h 55m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:26AVV  Melbourne Avalon-PDX Portland
22h 26m2 stops Sydney Kingsford Smith Vancouver Intl
$2,011Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
19:10 - 14:05PDX  Portland-AVV Melbourne Avalon
23h 55m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:26AVV  Melbourne Avalon-PDX Portland
22h 26m2 stops Sydney Kingsford Smith Vancouver Intl
$2,022Multiple Airlines
Sun, 8 Nov - Sun, 29 Nov
Multiple Airlines Logo
19:10 - 14:05PDX  Portland-AVV Melbourne Avalon
23h 55m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:25AVV  Melbourne Avalon-PDX Portland
22h 25m2 stops Sydney Kingsford Smith Vancouver Intl
$2,026Multiple Airlines
Thu, 11 Feb - Mon, 8 Mar
Multiple Airlines Logo
19:10 - 14:05PDX  Portland-AVV Melbourne Avalon
23h 55m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:00 - 09:26AVV  Melbourne Avalon-PDX Portland
22h 26m2 stops Sydney Kingsford Smith Vancouver Intl
$2,050Multiple Airlines
Sun, 8 Nov - Sun, 29 Nov
Multiple Airlines Logo
15:30 - 14:10PDX  Portland-AVV Melbourne Avalon
29h 40m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
21:40 - 14:51AVV  Melbourne Avalon-PDX Portland
35h 11m2 stops Brisbane Vancouver Intl
$2,052Multiple Airlines
Thu, 1 Oct - Sat, 10 Oct

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Qantas Airways flights from Portland to Melbourne Avalon Airport

Our best Qantas Airways deals on Portland to Melbourne Avalon Airport flight tickets
Qantas Airways
1 Feb
PDX18:22Portland
24h 43m
2 stops
AVV14:05Melbourne Avalon
20 Feb
AVV06:00Melbourne Avalon
30h 11m
2 stops
PDX17:11Portland
$2,774
Qantas Airways
26 Oct
PDX06:30Portland
43h 50m
2 stops
AVV20:20Melbourne Avalon
19 Nov
AVV06:00Melbourne Avalon
23h 33m
2 stops
PDX10:33Portland
$3,199
Qantas Airways
23 Aug
PDX06:35Portland
38h 35m
2 stops
AVV14:10Melbourne Avalon
5 Sept
AVV20:40Melbourne Avalon
44h 19m
2 stops
PDX23:59Portland
$4,126

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Melbourne Avalon Airport 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 17 August 2026.
Use the filters below to find and compare flights from Portland to Melbourne Avalon Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sat 12/9

19:45-14:20

2 stops25h 35m

Melbourne Avalon

Sat 19/9

20:40-09:31

2 stops29h 51m

$1,498

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Thu 10/9

19:45-16:05

2 stops27h 20m

Melbourne Avalon

Thu 17/9

20:55-09:31

2 stops29h 36m

$1,671

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sat 26/9

19:45-14:20

2 stops25h 35m

Melbourne Avalon

Sun 18/10

06:00-09:31

2 stops21h 31m

$1,738
Fastest return journey

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Wed 14/10

19:45-14:10

2 stops24h 25m

Melbourne Avalon

Mon 19/10

06:00-09:31

2 stops21h 31m

$1,980

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sun 1/11

19:10-14:05

2 stops23h 55m

Melbourne Avalon

Sun 8/11

06:00-09:26

2 stops22h 26m

$1,997

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sun 1/11

19:10-14:05

2 stops23h 55m

Melbourne Avalon

Sun 8/11

06:00-09:26

2 stops22h 26m

$2,011

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sun 8/11

19:10-14:05

2 stops23h 55m

Melbourne Avalon

Sun 29/11

06:00-09:26

2 stops22h 26m

$2,022

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Thu 11/2

19:10-14:05

2 stops23h 55m

Melbourne Avalon

Mon 8/3

06:00-09:25

2 stops22h 25m

$2,026

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sun 8/11

19:10-14:05

2 stops23h 55m

Melbourne Avalon

Sun 29/11

06:00-09:26

2 stops22h 26m

$2,050

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Thu 1/10

15:30-14:10

2 stops29h 40m

Melbourne Avalon

Sat 10/10

21:40-14:51

2 stops35h 11m

$2,052

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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When to book flights from Portland to Melbourne Avalon Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Melbourne Avalon Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Melbourne Avalon Airport (PDX to AVV) flight deals and tips

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

Best price found

$856

Fastest flight time

23h 55m

Direct flights

None
The best one-way flight to Melbourne Avalon Airport from Portland in the past 72 hours is $856. The best return flight deal from Portland to Melbourne Avalon Airport found on momondo in the last 72 hours is $1,498.
The fastest flight from Portland to Melbourne Avalon Airport takes 23h 55m
There are no direct flights from Portland to Melbourne Avalon Airport. There are no popular flight routes from Portland to Melbourne Avalon Airport.
Search flight deals

Frequently asked questions about flying from Portland to Melbourne Avalon Airport

  • How far is Portland to Melbourne Avalon by plane?

    The distance between Portland and Melbourne Avalon is about 13095.2 km. A reasonable flight in good conditions will take 23h 55m.

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

    Prices for flights from Portland Airport to Melbourne Avalon Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Melbourne Avalon Airport.

  • What documentation or ID do you need to fly to Melbourne Avalon Airport?

    The necessary travel and health documents for your Melbourne Avalon Airport 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.

Frequently asked questions about flying from Portland to Melbourne Avalon Airport

  • How do I get Price Alerts for flights from Portland to Melbourne Avalon Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland from Melbourne Avalon Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Portland to Melbourne Avalon Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

Finding the right flight to Melbourne from Portland 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 Melbourne quick and easy, saving you time and money.

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 helps you find the best flight between Portland and Melbourne by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 Avalon Airport trip

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