Cheap flights from Portland to Melbourne from $818

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Melbourne departing on 2/24. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 pm - 2:15 pm
PDX
-
MEL
24h 10m
2 stops
Multiple Airlines Logo
7:10 am - 9:15 am
MEL
-
PDX
20h 05m
2 stops
$818Multiple Airlines
Tue, Feb 24 - Sat, Mar 14
Multiple Airlines Logo
2:30 pm - 9:30 am
PDX
-
MEL
24h 00m
1 stop
Multiple Airlines Logo
12:00 pm - 1:25 pm
MEL
-
PDX
19h 25m
1 stop
$836Multiple Airlines
Tue, Feb 24 - Sat, Mar 14
American Airlines Logo
3:10 pm - 9:30 am
PDX
-
MEL
24h 20m
2 stops
American Airlines Logo
12:00 pm - 5:08 pm
MEL
-
PDX
23h 08m
1 stop
$944American Airlines
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
3:41 pm - 6:45 am
PDX
-
MEL
22h 04m
1 stop
American Airlines Logo
9:45 am - 3:10 pm
MEL
-
PDX
22h 25m
1 stop
$959American Airlines
Wed, Jun 17 - Fri, Jul 17
American Airlines Logo
1:09 pm - 6:45 am
PDX
-
MEL
24h 36m
1 stop
American Airlines Logo
9:45 am - 3:10 pm
MEL
-
PDX
22h 25m
1 stop
$960American Airlines
Fri, May 8 - Thu, May 21
Multiple Airlines Logo
7:45 pm - 11:25 am
PDX
-
MEL
22h 40m
2 stops
Multiple Airlines Logo
6:00 am - 9:30 am
MEL
-
PDX
20h 30m
2 stops
$961Multiple Airlines
Fri, May 8 - Thu, May 21
Qantas Airways Logo
2:47 pm - 9:45 am
PDX
-
AVV
23h 58m
2 stops
Qantas Airways Logo
4:25 pm - 9:52 pm
AVV
-
PDX
23h 27m
2 stops
$2,112Qantas Airways
Tue, Feb 24 - Sat, Mar 14
Qantas Airways Logo
5:49 pm - 2:20 pm
PDX
-
AVV
27h 31m
2 stops
Qantas Airways Logo
4:40 pm - 8:40 pm
AVV
-
PDX
21h 00m
2 stops
$2,124Qantas Airways
Fri, May 8 - Thu, May 21
Qantas Airways Logo
5:49 pm - 2:20 pm
PDX
-
AVV
27h 31m
2 stops
Qantas Airways Logo
4:40 pm - 8:40 pm
AVV
-
PDX
21h 00m
2 stops
$2,125Qantas Airways
Fri, May 8 - Thu, May 21
Qantas Airways Logo
10:48 am - 9:45 am
PDX
-
AVV
27h 57m
2 stops
Qantas Airways Logo
4:40 pm - 11:48 pm
AVV
-
PDX
24h 08m
2 stops
$2,144Qantas Airways
Tue, Feb 24 - Sun, Jun 14

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets
American Airlines
Mar 17
PDX3:10 pmPortland
24h 20m
2 stops
MEL9:30 amMelbourne
Mar 24
MEL12:00 pmMelbourne
23h 08m
1 stop
PDX5:08 pmPortland
$944
American Airlines
Feb 9
PDX6:00 amPortland
28h 00m
1 stop
MEL5:00 amMelbourne
Mar 8
MEL12:00 pmMelbourne
23h 08m
1 stop
PDX4:08 pmPortland
$959
American Airlines
May 8
PDX1:09 pmPortland
24h 36m
1 stop
MEL6:45 amMelbourne
May 21
MEL9:45 amMelbourne
22h 25m
1 stop
PDX3:10 pmPortland
$960

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets
United Airlines
Apr 1
PDX12:50 pmPortland
26h 25m
2 stops
MEL9:15 amMelbourne
Apr 15
MEL9:30 amMelbourne
25h 37m
3 stops
PDX6:07 pmPortland
$1,028
United Airlines
Mar 11
PDX8:30 amPortland
30h 30m
2 stops
MEL9:00 amMelbourne
Mar 31
MEL11:55 amMelbourne
63h 53m
2 stops
PDX9:48 amPortland
$1,196
United Airlines
Feb 24
PDX7:57 pmPortland
19h 03m
1 stop
MEL10:00 amMelbourne
Jun 14
MEL10:55 amMelbourne
18h 21m
1 stop
PDX12:16 pmPortland
$1,262

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 31, 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

Tue 2/24

7:05 pm-2:15 pm

2 stops24h 10m

Melbourne

Sat 3/14

7:10 am-9:15 am

2 stops20h 05m

$818

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

2:30 pm-9:30 am

1 stop24h 00m

Melbourne

Sat 3/14

12:00 pm-1:25 pm

1 stop19h 25m

$836

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 3/17

3:10 pm-9:30 am

2 stops24h 20m

Melbourne

Tue 3/24

12:00 pm-5:08 pm

1 stop23h 08m

$944

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 6/17

3:41 pm-6:45 am

1 stop22h 04m

Melbourne

Fri 7/17

9:45 am-3:10 pm

1 stop22h 25m

$959

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

1:09 pm-6:45 am

1 stop24h 36m

Melbourne

Thu 5/21

9:45 am-3:10 pm

1 stop22h 25m

$960

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

7:45 pm-11:25 am

2 stops22h 40m

Melbourne

Thu 5/21

6:00 am-9:30 am

2 stops20h 30m

$961

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

2:47 pm-9:45 am

2 stops23h 58m

Melbourne Avalon

Sat 3/14

4:25 pm-9:52 pm

2 stops23h 27m

$2,112

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Fri 5/8

5:49 pm-2:20 pm

2 stops27h 31m

Melbourne Avalon

Thu 5/21

4:40 pm-8:40 pm

2 stops21h 00m

$2,124

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Fri 5/8

5:49 pm-2:20 pm

2 stops27h 31m

Melbourne Avalon

Thu 5/21

4:40 pm-8:40 pm

2 stops21h 00m

$2,125

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

10:48 am-9:45 am

2 stops27h 57m

Melbourne Avalon

Sun 6/14

4:40 pm-11:48 pm

2 stops24h 08m

$2,144

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $984. The month of November is another great option to travel to Melbourne, with average flight prices from Portland averaging around $1,008.

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 47m

Direct flights

None
The fastest flight from Portland to Melbourne takes 20h 47m
There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.
  • How far is Portland to Melbourne by plane?

    The straight-line distance from Portland to Melbourne is 8105.9 mi. Typically, this will take 20h 47m by plane in normal conditions.

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

    Prices for flights from Portland Airport to Melbourne were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Melbourne?

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

    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 layovers. It is recommended that you verify 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 travel and health documents required for your trip to Melbourne can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Melbourne. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Melbourne

Compare and see reviews for airlines that fly from Portland to Melbourne with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
982 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $928Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
United AirlinesPriceFrom $947Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Melbourne from Portland.

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 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?

Yes. momondo can track prices for Portland to Melbourne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Mon 3/2
Mon 3/9

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 31.3 mi from Melbourne