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Cheap flights from Portland to Melbourne from $587

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 9/16. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
AVV
23h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,058Multiple Airlines
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
AVV
23h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,108Multiple Airlines
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
AVV
24h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,145Multiple Airlines
Mon, Oct 26 - Thu, Nov 19
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
AVV
24h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,146Multiple Airlines
Mon, Oct 26 - Thu, Nov 19
Multiple Airlines Logo
7:10 pm - 3:50 pm
PDX
-
AVV
25h 40m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,335Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
7:10 pm - 2:05 pm
PDX
-
AVV
23h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:26 am
AVV
-
PDX
22h 26m
2 stops
$1,374Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
3:30 pm - 2:20 pm
PDX
-
AVV
29h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 9:31 am
AVV
-
PDX
29h 51m
2 stops
$1,793Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Qantas Airways Logo
5:00 pm - 3:50 pm
PDX
-
AVV
28h 50m
2 stops
Qantas Airways Logo
8:10 am - 8:49 pm
AVV
-
PDX
31h 39m
2 stops
$1,942Qantas Airways
Mon, Oct 26 - Thu, Nov 19
Multiple Airlines Logo
9:30 pm - 2:05 pm
PDX
-
AVV
46h 35m
2 stops
Multiple Airlines Logo
8:10 am - 8:49 pm
AVV
-
PDX
31h 39m
2 stops
$1,947Multiple Airlines
Mon, Oct 26 - Thu, Nov 19
Multiple Airlines Logo
3:30 pm - 2:20 pm
PDX
-
AVV
29h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 9:31 am
AVV
-
PDX
29h 51m
2 stops
$2,468Multiple Airlines
Fri, Aug 14 - Sun, Aug 30

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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
Oct 26
PDX5:00 pmPortland
28h 50m
2 stops
AVV3:50 pmMelbourne Avalon
Nov 19
AVV8:10 amMelbourne Avalon
31h 39m
2 stops
PDX8:49 pmPortland
$1,942
Qantas Airways
Aug 8
PDX6:35 amPortland
38h 45m
2 stops
AVV2:20 pmMelbourne Avalon
Aug 12
AVV6:00 amMelbourne Avalon
34h 59m
2 stops
PDX11:59 pmPortland
$3,005
Qantas Airways
Dec 20
PDX6:10 amPortland
43h 10m
2 stops
AVV8:20 pmMelbourne Avalon
Jan 2
AVV8:55 pmMelbourne Avalon
42h 53m
2 stops
PDX8:48 pmPortland
$4,031

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 2, 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 round-trip
Quickest round-trip

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 11/8

7:10 pm-2:05 pm

2 stops23h 55m

Melbourne Avalon

Sun 11/29

6:00 am-9:26 am

2 stops22h 26m

$1,058

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 11/8

7:10 pm-2:05 pm

2 stops23h 55m

Melbourne Avalon

Sun 11/29

6:00 am-9:26 am

2 stops22h 26m

$1,108

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 10/26

7:10 pm-2:05 pm

2 stops24h 55m

Melbourne Avalon

Thu 11/19

6:00 am-9:26 am

2 stops22h 26m

$1,145

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 10/26

7:10 pm-2:05 pm

2 stops24h 55m

Melbourne Avalon

Thu 11/19

6:00 am-9:26 am

2 stops22h 26m

$1,146

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 11/26

7:10 pm-3:50 pm

2 stops25h 40m

Melbourne Avalon

Thu 12/3

6:00 am-9:26 am

2 stops22h 26m

$1,335

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 11/1

7:10 pm-2:05 pm

2 stops23h 55m

Melbourne Avalon

Sun 11/8

6:00 am-9:26 am

2 stops22h 26m

$1,374

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 8/11

3:30 pm-2:20 pm

2 stops29h 50m

Melbourne Avalon

Tue 8/18

8:40 pm-9:31 am

2 stops29h 51m

$1,793

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 10/26

5:00 pm-3:50 pm

2 stops28h 50m

Melbourne Avalon

Thu 11/19

8:10 am-8:49 pm

2 stops31h 39m

$1,942

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 10/26

9:30 pm-2:05 pm

2 stops46h 35m

Melbourne Avalon

Thu 11/19

8:10 am-8:49 pm

2 stops31h 39m

$1,947

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Fri 8/14

3:30 pm-2:20 pm

2 stops29h 50m

Melbourne Avalon

Sun 8/30

8:40 pm-9:31 am

2 stops29h 51m

$2,468

Flights are sorted by cheapest round-trip flights first.

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

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 round-trip 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

Fastest flight time

23h 55m

Direct flights

None
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?

    There are 8137.0 mi between Portland and Melbourne Avalon. 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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?

    Price Alerts will notify you by email when the price for flights to Melbourne Avalon Airport from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Melbourne. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Melbourne from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Melbourne from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Melbourne from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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