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Cheap flights from Portland to Melbourne from $736

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 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:20 am - 10:50 pm
PDX
-
AVV
22h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 8:50 pm
AVV
-
PDX
21h 10m
2 stops
$1,282Multiple Airlines
Fri, Aug 21 - Sat, Aug 29
Multiple Airlines Logo
5:50 pm - 10:50 pm
PDX
-
AVV
36h 00m
2 stops
Multiple Airlines Logo
8:55 pm - 9:31 am
AVV
-
PDX
29h 36m
2 stops
$1,659Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Qantas Airways Logo
5:34 pm - 2:10 pm
PDX
-
AVV
27h 36m
2 stops
Qantas Airways Logo
8:40 pm - 9:14 pm
AVV
-
PDX
41h 34m
2 stops
$1,793Qantas Airways
Tue, Aug 4 - Tue, Aug 18
Multiple Airlines Logo
2:56 pm - 4:05 pm
PDX
-
AVV
32h 09m
2 stops
Multiple Airlines Logo
8:55 pm - 8:50 pm
AVV
-
PDX
40h 55m
2 stops
$1,813Multiple Airlines
Mon, Sep 7 - Wed, Sep 16
Qantas Airways Logo
5:40 pm - 2:10 pm
PDX
-
AVV
27h 30m
2 stops
Qantas Airways Logo
8:50 am - 9:14 pm
AVV
-
PDX
29h 24m
2 stops
$1,891Qantas Airways
Thu, Aug 20 - Fri, Aug 28
Qantas Airways Logo
5:34 pm - 4:05 pm
PDX
-
AVV
29h 31m
2 stops
Qantas Airways Logo
10:30 am - 8:50 pm
AVV
-
PDX
27h 20m
2 stops
$1,896Qantas Airways
Tue, Aug 4 - Tue, Aug 18
Qantas Airways Logo
5:40 pm - 2:10 pm
PDX
-
AVV
27h 30m
2 stops
Qantas Airways Logo
8:55 pm - 8:31 pm
AVV
-
PDX
40h 36m
2 stops
$1,897Qantas Airways
Sun, Sep 6 - Sun, Sep 13
Qantas Airways Logo
5:40 pm - 2:20 pm
PDX
-
AVV
27h 40m
2 stops
Qantas Airways Logo
10:30 am - 10:15 pm
AVV
-
PDX
28h 45m
2 stops
$2,091Qantas Airways
Tue, May 19 - Wed, Jun 3
Qantas Airways Logo
3:27 pm - 2:10 pm
PDX
-
AVV
29h 43m
2 stops
Qantas Airways Logo
6:00 am - 11:52 pm
AVV
-
PDX
34h 52m
2 stops
$2,189Qantas Airways
Wed, Jun 17 - Fri, Jul 17
Qantas Airways Logo
5:08 pm - 2:10 pm
PDX
-
AVV
28h 02m
2 stops
Qantas Airways Logo
8:40 pm - 9:14 pm
AVV
-
PDX
41h 34m
2 stops
$2,191Qantas Airways
Thu, Jul 16 - Tue, Aug 18

Qantas Airways flights from Portland to Melbourne Avalon Airport

Our best Qantas Airways deals on Portland to Melbourne Avalon Airport flight tickets
Qantas Airways
Aug 4
PDX5:34 pmPortland
27h 36m
2 stops
AVV2:10 pmMelbourne Avalon
Aug 18
AVV8:40 pmMelbourne Avalon
41h 34m
2 stops
PDX9:14 pmPortland
$1,793
Qantas Airways
Aug 20
PDX5:40 pmPortland
27h 30m
2 stops
AVV2:10 pmMelbourne Avalon
Aug 28
AVV8:50 amMelbourne Avalon
29h 24m
2 stops
PDX9:14 pmPortland
$1,891
Qantas Airways
Aug 4
PDX2:39 pmPortland
30h 31m
2 stops
AVV2:10 pmMelbourne Avalon
Aug 18
AVV10:30 amMelbourne Avalon
27h 20m
2 stops
PDX8:50 pmPortland
$1,896

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 March 26, 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

Fri 8/21

7:20 am-10:50 pm

2 stops22h 30m

Melbourne Avalon

Sat 8/29

4:40 pm-8:50 pm

2 stops21h 10m

$1,282

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 9/6

5:50 pm-10:50 pm

2 stops36h 00m

Melbourne Avalon

Sun 9/13

8:55 pm-9:31 am

2 stops29h 36m

$1,659

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 8/4

5:34 pm-2:10 pm

2 stops27h 36m

Melbourne Avalon

Tue 8/18

8:40 pm-9:14 pm

2 stops41h 34m

$1,793

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Mon 9/7

2:56 pm-4:05 pm

2 stops32h 09m

Melbourne Avalon

Wed 9/16

8:55 pm-8:50 pm

2 stops40h 55m

$1,813

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 8/20

5:40 pm-2:10 pm

2 stops27h 30m

Melbourne Avalon

Fri 8/28

8:50 am-9:14 pm

2 stops29h 24m

$1,891

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 8/4

5:34 pm-4:05 pm

2 stops29h 31m

Melbourne Avalon

Tue 8/18

10:30 am-8:50 pm

2 stops27h 20m

$1,896

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sun 9/6

5:40 pm-2:10 pm

2 stops27h 30m

Melbourne Avalon

Sun 9/13

8:55 pm-8:31 pm

2 stops40h 36m

$1,897

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 5/19

5:40 pm-2:20 pm

2 stops27h 40m

Melbourne Avalon

Wed 6/3

10:30 am-10:15 pm

2 stops28h 45m

$2,091

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 6/17

3:27 pm-2:10 pm

2 stops29h 43m

Melbourne Avalon

Fri 7/17

6:00 am-11:52 pm

2 stops34h 52m

$2,189

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 7/16

5:08 pm-2:10 pm

2 stops28h 02m

Melbourne Avalon

Tue 8/18

8:40 pm-9:14 pm

2 stops41h 34m

$2,191

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

22h 30m

Direct flights

None
The fastest flight from Portland to Melbourne Avalon Airport takes 22h 30m
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

  • 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 22h 30m.

  • 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.

  • 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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