What is the cheapest airline that flies from Portland to Melbourne?

Alaska Airlines and United Airlines are the most popular carriers operating from Portland to Melbourne

What airlines fly to Melbourne?

United Airlines, Qantas Airways and Delta are the top three most popular airlines that fly to Melbourne from Portland according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 3 different airlines that fly to Melbourne on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Portland Airport to Melbourne is 3 as of November 2026.

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.

$484 Cheap Flights from Portland to Melbourne in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Melbourne

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 pm - 12:25 pmPDX Portland-MEL Melbourne

28h 55m2 stops San Francisco Nadi

1:20 pm - 11:54 pmMEL Melbourne-PDX Portland

27h 34m2 stops Nadi Los Angeles

$1,123Multiple Airlines

Mon, May 3 - Sat, May 15

5:40 pm - 12:25 pmPDX Portland-MEL Melbourne

25h 45m2 stops Los Angeles Nadi

1:30 pm - 10:33 pmMEL Melbourne-PDX Portland

26h 03m2 stops Nadi San Francisco

$1,123Multiple Airlines

Mon, May 3 - Fri, May 14

5:55 pm - 12:25 pmPDX Portland-MEL Melbourne

25h 30m2 stops San Francisco Nadi

1:30 pm - 8:31 pmMEL Melbourne-PDX Portland

24h 01m2 stops Nadi Los Angeles

$1,123Multiple Airlines

Mon, May 3 - Sun, May 16

5:14 pm - 8:15 amPDX Portland-MEL Melbourne

22h 01m1 stop San Francisco

10:55 am - 12:25 pmMEL Melbourne-PDX Portland

18h 30m1 stop San Francisco

$1,321United Airlines

Wed, May 5 - Mon, May 17

7:49 pm - 8:15 amPDX Portland-MEL Melbourne

19h 26m1 stop San Francisco

10:55 am - 6:31 pmMEL Melbourne-PDX Portland

24h 36m1 stop San Francisco

$1,321United Airlines

Sat, May 1 - Sun, May 16

7:49 pm - 8:15 amPDX Portland-MEL Melbourne

19h 26m1 stop San Francisco

10:55 am - 8:33 pmMEL Melbourne-PDX Portland

26h 38m1 stop San Francisco

$1,321United Airlines

Mon, May 3 - Sun, May 16

10:30 am - 6:45 amPDX Portland-MEL Melbourne

27h 15m1 stop Los Angeles

9:30 pm - 11:54 pmMEL Melbourne-PDX Portland

19h 24m1 stop Los Angeles

$1,362Qantas Airways

Thu, Apr 29 - Mon, May 17

8:00 am - 6:45 amPDX Portland-MEL Melbourne

29h 45m1 stop Los Angeles

9:30 pm - 11:54 pmMEL Melbourne-PDX Portland

19h 24m1 stop Los Angeles

$1,362Qantas Airways

Thu, Apr 29 - Sat, May 15

5:29 pm - 8:00 amPDX Portland-MEL Melbourne

19h 31m1 stop Los Angeles

10:10 am - 10:03 amMEL Melbourne-PDX Portland

18h 53m1 stop Los Angeles

$2,035Delta

Sat, Dec 12 - Sat, Dec 26

9:59 am - 8:00 amPDX Portland-MEL Melbourne

27h 01m2 stops Salt Lake City Los Angeles

10:10 am - 9:00 pmMEL Melbourne-PDX Portland

29h 50m2 stops Los Angeles Seattle/Tacoma Intl

$2,040Delta

Sat, Dec 12 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

7:10 pm - 2:15 pmPDX Portland-MEL Melbourne

24h 05m2 stops Vancouver Intl Brisbane

6:40 am - 9:26 amMEL Melbourne-PDX Portland

21h 46m2 stops Brisbane Vancouver Intl

$1,284Multiple Airlines

Sun, Nov 15 - Fri, Nov 20

7:10 pm - 1:50 pmPDX Portland-MEL Melbourne

23h 40m2 stops Vancouver Intl Brisbane

7:10 am - 9:26 amMEL Melbourne-PDX Portland

21h 16m2 stops Brisbane Vancouver Intl

$1,298Multiple Airlines

Sat, Nov 14 - Fri, Nov 20

10:59 am - 10:30 amPDX Portland-MEL Melbourne

28h 31m1 stop San Francisco

12:10 pm - 2:37 pmMEL Melbourne-PDX Portland

45h 27m2 stops Brisbane San Francisco

$1,546United Airlines

Sat, Nov 14 - Fri, Nov 20

1:35 pm - 9:30 amPDX Portland-MEL Melbourne

24h 55m1 stop Los Angeles

1:55 pm - 8:47 pmMEL Melbourne-PDX Portland

25h 52m2 stops Nadi Los Angeles

$1,558Multiple Airlines

Sun, Nov 15 - Fri, Nov 20

11:06 am - 9:30 amPDX Portland-MEL Melbourne

27h 24m1 stop Los Angeles

10:45 pm - 11:44 pmMEL Melbourne-PDX Portland

19h 59m1 stop Los Angeles

$1,828Multiple Airlines

Sun, Nov 15 - Fri, Nov 20

5:04 pm - 11:30 amPDX Portland-MEL Melbourne

23h 26m2 stops Los Angeles Brisbane

6:30 pm - 9:26 amMEL Melbourne-PDX Portland

33h 56m3 stops Auckland Intl Brisbane Vancouver Intl

$1,976Multiple Airlines

Sat, Nov 14 - Fri, Nov 20

12:31 pm - 9:30 amPDX Portland-MEL Melbourne

25h 59m2 stops Las Vegas Harry Reid Intl Los Angeles

6:30 pm - 9:26 amMEL Melbourne-PDX Portland

33h 56m3 stops Auckland Intl Brisbane Vancouver Intl

$2,042Multiple Airlines

Sun, Nov 15 - Fri, Nov 20

1:25 pm - 10:30 amPDX Portland-MEL Melbourne

26h 05m1 stop San Francisco

12:45 pm - 6:24 pmMEL Melbourne-PDX Portland

24h 39m1 stop San Francisco

$2,302United Airlines

Sat, Nov 14 - Fri, Nov 20

10:00 am - 2:15 pmPDX Portland-MEL Melbourne

33h 15m3 stops Vancouver Intl Tokyo Narita Cairns

6:30 pm - 9:26 amMEL Melbourne-PDX Portland

33h 56m3 stops Auckland Intl Brisbane Vancouver Intl

$2,792Multiple Airlines

Sat, Nov 14 - Fri, Nov 20

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American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets

American Airlines

May 2

PDX1:09 pmPortland

24h 36m

1 stop

MEL6:45 amMelbourne

May 15

MEL9:45 amMelbourne

30h 57m

1 stop

PDX11:42 pmPortland

$1,308

American Airlines

May 2

PDX11:48 amPortland

25h 57m

2 stops

MEL6:45 amMelbourne

May 15

MEL9:45 amMelbourne

28h 53m

1 stop

PDX9:38 pmPortland

$1,313

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets

United Airlines

Apr 30

PDX10:57 amPortland

28h 18m

1 stop

MEL8:15 amMelbourne

May 16

MEL10:55 amMelbourne

18h 30m

1 stop

PDX12:25 pmPortland

$1,321

United Airlines

Mar 20

PDX10:59 amPortland

28h 31m

1 stop

MEL9:30 amMelbourne

Mar 27

MEL11:45 amMelbourne

24h 46m

1 stop

PDX6:31 pmPortland

$1,322

United Airlines

May 2

PDX5:14 pmPortland

22h 01m

1 stop

MEL8:15 amMelbourne

May 15

MEL10:55 amMelbourne

26h 54m

2 stops

PDX8:49 pmPortland

$1,325

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 5/3

2:30 pm-12:25 pm

2 stops28h 55m

Melbourne

Sat 5/15

1:20 pm-11:54 pm

2 stops27h 34m

$1,123

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 5/3

5:40 pm-12:25 pm

2 stops25h 45m

Melbourne

Fri 5/14

1:30 pm-10:33 pm

2 stops26h 03m

$1,123

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 5/3

5:55 pm-12:25 pm

2 stops25h 30m

Melbourne

Sun 5/16

1:30 pm-8:31 pm

2 stops24h 01m

$1,123

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 5/5

5:14 pm-8:15 am

1 stop22h 01m

Melbourne

Mon 5/17

10:55 am-12:25 pm

1 stop18h 30m

$1,321

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 5/1

7:49 pm-8:15 am

1 stop19h 26m

Melbourne

Sun 5/16

10:55 am-6:31 pm

1 stop24h 36m

$1,321

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 5/3

7:49 pm-8:15 am

1 stop19h 26m

Melbourne

Sun 5/16

10:55 am-8:33 pm

1 stop26h 38m

$1,321

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 4/29

10:30 am-6:45 am

1 stop27h 15m

Melbourne

Mon 5/17

9:30 pm-11:54 pm

1 stop19h 24m

$1,362

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 4/29

8:00 am-6:45 am

1 stop29h 45m

Melbourne

Sat 5/15

9:30 pm-11:54 pm

1 stop19h 24m

$1,362

Quickest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 12/12

5:29 pm-8:00 am

1 stop19h 31m

Melbourne

Sat 12/26

10:10 am-10:03 am

1 stop18h 53m

$2,035

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 12/12

9:59 am-8:00 am

2 stops27h 01m

Melbourne

Sat 12/26

10:10 am-9:00 pm

2 stops29h 50m

$2,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently typical for flights on this route.

Typical prices usually range from $1,083 to $1,437.
The lowest price recently found on this route was $1,123.

What is the cheapest month to fly to Melbourne?

In general, June 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 February is another great option to travel to Melbourne, with average flight prices from Portland averaging around $1,200.

Cheap Portland to Melbourne flight deals and tips

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

Best Price Found	$484
Fastest flight time	23h 55m
Direct flights	None

The best one-way flight to Melbourne from Portland in the past 72 hours is $484. The best round-trip flight deal from Portland to Melbourne found on momondo in the last 72 hours is $1,123.

The fastest flight from Portland to Melbourne takes 23h 55m

There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.

Search flight deals

Frequently asked questions about flying 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 23h 55m 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?
The number of operators available for flights from Portland Airport to Melbourne is 3 as of November 2026.
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 Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,125 reviews	Search Qantas Airways flights
Delta	PriceFrom $984	Free Cancellation	Rating 7.8 8,722 reviews	Search Delta flights
United Airlines	PriceFrom $1,021	Free Cancellation	Rating 7.3 10,487 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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Melbourne Avalon Airport

Cheap flights from Portland to Melbourne from $484

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 2/5. 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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American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets

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Use the filters below to find and compare flights from Portland to Melbourne that are best for you.

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How to get the cheapest flight ticket from Portland to Melbourne

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

What is the cheapest month to fly to Melbourne?

What is the cheapest airline that flies from Portland to Melbourne?

What airlines fly to Melbourne?

Cheap Portland to Melbourne flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Melbourne

Best airlines flying from Portland to Melbourne

Compare and see reviews for airlines that fly from Portland to Melbourne with momondo

Why use momondo?

An easier way to manage your Melbourne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Melbourne

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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