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

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

Which airport is the most popular layover for flights between Portland and Melbourne Airport?

San Francisco (SFO) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Melbourne Airport?

United Airlines, Delta and Qantas Airways are the top three most popular airlines that fly to Melbourne Airport from Portland according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Melbourne Airport. Keep in mind that there are 3 different airlines that fly to Melbourne Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Portland to Melbourne Airport?

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $1,127.

Which layover airport has the shortest connection time from Portland to Melbourne Airport?

San Francisco (SFO) has the shortest average layover time for this route: 2h 44m.

Which layover airport has the shortest travel time from Portland to Melbourne Airport?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 20h 20m.

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

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

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

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

How old do you have to be to fly from Portland Airport to Melbourne 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Melbourne Airport.

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

The travel and health documents required for your trip to Melbourne Airport 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 Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$585 Cheap Flights from Portland to Melbourne Airport 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.

3:15 pm - 1:35 pmPDX Portland-MEL Melbourne

27h 20m2 stops Vancouver Intl Sydney Kingsford Smith

7:45 am - 2:41 pmMEL Melbourne-PDX Portland

25h 56m2 stops Sydney Kingsford Smith Vancouver Intl

$1,019Air Canada

Mon, Feb 1 - Mon, Feb 15

3:15 pm - 1:35 pmPDX Portland-MEL Melbourne

27h 20m2 stops Vancouver Intl Sydney Kingsford Smith

8:00 am - 6:30 pmMEL Melbourne-PDX Portland

29h 30m2 stops Sydney Kingsford Smith Vancouver Intl

$1,019Air Canada

Mon, Feb 15 - Mon, Mar 1

3:15 pm - 2:35 pmPDX Portland-MEL Melbourne

28h 20m2 stops Vancouver Intl Sydney Kingsford Smith

8:00 am - 6:31 pmMEL Melbourne-PDX Portland

29h 31m2 stops Sydney Kingsford Smith Vancouver Intl

$1,019Air Canada

Mon, Feb 8 - Mon, Feb 22

1:00 pm - 8:00 amPDX Portland-MEL Melbourne

24h 00m1 stop Los Angeles

10:10 am - 12:18 pmMEL Melbourne-PDX Portland

21h 08m1 stop Los Angeles

$1,125Delta

Sun, Feb 14 - Tue, Feb 23

10:00 am - 8:00 amPDX Portland-MEL Melbourne

27h 00m1 stop Los Angeles

10:10 am - 4:13 pmMEL Melbourne-PDX Portland

25h 03m1 stop Los Angeles

$1,125Delta

Wed, Feb 17 - Tue, Feb 23

5:10 pm - 8:00 amPDX Portland-MEL Melbourne

19h 50m1 stop Los Angeles

10:10 am - 4:13 pmMEL Melbourne-PDX Portland

25h 03m1 stop Los Angeles

$1,125Delta

Tue, Feb 16 - Tue, Feb 23

8:55 am - 9:30 amPDX Portland-MEL Melbourne

29h 35m2 stops Denver Intl Los Angeles

11:30 am - 6:31 pmMEL Melbourne-PDX Portland

26h 01m3 stops Los Angeles Denver Intl San Francisco

$1,234United Airlines

Sat, Feb 20 - Fri, Mar 12

2:34 pm - 9:30 amPDX Portland-MEL Melbourne

23h 56m1 stop Los Angeles

10:45 pm - 1:26 pmMEL Melbourne-PDX Portland

33h 41m1 stop Los Angeles

$1,239Qantas Airways

Mon, Feb 1 - Fri, Feb 12

5:00 am - 10:30 amPDX Portland-MEL Melbourne

34h 30m2 stops Denver Intl San Francisco

11:30 am - 6:23 pmMEL Melbourne-PDX Portland

25h 53m3 stops Los Angeles Denver Intl San Francisco

$1,247United Airlines

Thu, Nov 26 - Thu, Dec 3

2:30 pm - 10:05 amPDX Portland-MEL Melbourne

24h 35m2 stops Los Angeles Sydney Kingsford Smith

10:45 pm - 11:54 pmMEL Melbourne-PDX Portland

20h 09m1 stop Los Angeles

$1,312Qantas Airways

Fri, Feb 19 - Fri, Feb 26

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 am - 8:00 amPDX Portland-MEL Melbourne

29h 45m1 stop Los Angeles

10:10 am - 4:21 pmMEL Melbourne-PDX Portland

25h 11m1 stop Los Angeles

$1,128Delta

Sun, Nov 1 - Tue, Nov 10

11:09 am - 8:00 amPDX Portland-MEL Melbourne

25h 51m1 stop Los Angeles

10:10 am - 12:08 pmMEL Melbourne-PDX Portland

20h 58m1 stop Los Angeles

$1,128Delta

Sun, Nov 1 - Wed, Nov 11

1:06 pm - 8:00 amPDX Portland-MEL Melbourne

23h 54m1 stop Los Angeles

10:10 am - 12:08 pmMEL Melbourne-PDX Portland

20h 58m1 stop Los Angeles

$1,128Delta

Mon, Nov 2 - Wed, Nov 11

1:15 pm - 9:30 amPDX Portland-MEL Melbourne

25h 15m2 stops Denver Intl Los Angeles

12:45 pm - 12:21 pmMEL Melbourne-PDX Portland

18h 36m1 stop San Francisco

$1,133United Airlines

Wed, Nov 4 - Wed, Nov 11

7:26 pm - 10:30 amPDX Portland-MEL Melbourne

20h 04m1 stop San Francisco

12:45 pm - 9:02 pmMEL Melbourne-PDX Portland

27h 17m1 stop San Francisco

$1,133United Airlines

Wed, Nov 4 - Wed, Nov 11

9:00 am - 10:30 amPDX Portland-MEL Melbourne

30h 30m2 stops Denver Intl San Francisco

11:30 am - 6:09 pmMEL Melbourne-PDX Portland

25h 39m2 stops Los Angeles Denver Intl

$1,147United Airlines

Tue, Nov 3 - Wed, Nov 11

11:09 pm - 5:00 amPDX Portland-MEL Melbourne

58h 51m2 stops Chicago O'Hare Intl Dallas/Fort Worth

12:00 pm - 5:54 pmMEL Melbourne-PDX Portland

24h 54m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$1,390American Airlines

Sun, Nov 1 - Tue, Nov 10

6:51 am - 5:00 amPDX Portland-MEL Melbourne

27h 09m2 stops Los Angeles Dallas/Fort Worth

12:00 pm - 5:54 pmMEL Melbourne-PDX Portland

24h 54m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$1,390American Airlines

Tue, Nov 3 - Tue, Nov 10

6:04 pm - 12:05 pmPDX Portland-MEL Melbourne

23h 01m2 stops Los Angeles Sydney Kingsford Smith

7:25 am - 12:29 pmMEL Melbourne-PDX Portland

24h 04m2 stops Sydney Kingsford Smith Los Angeles

$1,619Qantas Airways

Mon, Nov 2 - Sat, Nov 14

7:00 am - 5:00 amPDX Portland-MEL Melbourne

27h 00m1 stop Dallas/Fort Worth

10:45 pm - 11:59 pmMEL Melbourne-PDX Portland

20h 14m1 stop Los Angeles

$6,058Qantas Airways

Tue, Nov 3 - Sun, Nov 29

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United Airlines flights from Portland to Melbourne Airport

Our best United Airlines deals on Portland to Melbourne Airport flight tickets

United Airlines

Nov 4

PDX1:15 pmPortland

25h 15m

2 stops

MEL9:30 amMelbourne

Nov 11

MEL12:45 pmMelbourne

18h 36m

1 stop

PDX12:21 pmPortland

$1,133

United Airlines

Nov 1

PDX10:47 amPortland

28h 43m

2 stops

MEL10:30 amMelbourne

Nov 11

MEL11:30 amMelbourne

25h 39m

2 stops

PDX6:09 pmPortland

$1,147

United Airlines

Nov 4

PDX7:26 pmPortland

20h 04m

1 stop

MEL10:30 amMelbourne

Nov 10

MEL1:00 pmMelbourne

44h 34m

2 stops

PDX2:34 pmPortland

$1,157

Qantas Airways flights from Portland to Melbourne Airport

Our best Qantas Airways deals on Portland to Melbourne Airport flight tickets

Qantas Airways

Feb 1

PDX2:34 pmPortland

23h 56m

1 stop

MEL9:30 amMelbourne

Feb 12

MEL10:45 pmMelbourne

33h 41m

1 stop

PDX1:26 pmPortland

$1,239

Qantas Airways

Feb 19

PDX2:30 pmPortland

24h 35m

2 stops

MEL10:05 amMelbourne

Feb 26

MEL10:45 pmMelbourne

20h 09m

1 stop

PDX11:54 pmPortland

$1,312

Qantas Airways

Nov 6

PDX2:50 pmPortland

24h 15m

2 stops

MEL10:05 amMelbourne

Nov 13

MEL10:45 pmMelbourne

20h 16m

1 stop

PDX12:01 amPortland

$1,350

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/1

3:15 pm-1:35 pm

2 stops27h 20m

Melbourne

Mon 2/15

7:45 am-2:41 pm

2 stops25h 56m

$1,019

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/15

3:15 pm-1:35 pm

2 stops27h 20m

Melbourne

Mon 3/1

8:00 am-6:30 pm

2 stops29h 30m

$1,019

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/8

3:15 pm-2:35 pm

2 stops28h 20m

Melbourne

Mon 2/22

8:00 am-6:31 pm

2 stops29h 31m

$1,019

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 2/14

1:00 pm-8:00 am

1 stop24h 00m

Melbourne

Tue 2/23

10:10 am-12:18 pm

1 stop21h 08m

$1,125

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 2/17

10:00 am-8:00 am

1 stop27h 00m

Melbourne

Tue 2/23

10:10 am-4:13 pm

1 stop25h 03m

$1,125

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Tue 2/16

5:10 pm-8:00 am

1 stop19h 50m

Melbourne

Tue 2/23

10:10 am-4:13 pm

1 stop25h 03m

$1,125

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 2/20

8:55 am-9:30 am

2 stops29h 35m

Melbourne

Fri 3/12

11:30 am-6:31 pm

3 stops26h 01m

$1,234

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/1

2:34 pm-9:30 am

1 stop23h 56m

Melbourne

Fri 2/12

10:45 pm-1:26 pm

1 stop33h 41m

$1,239

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 11/26

5:00 am-10:30 am

2 stops34h 30m

Melbourne

Thu 12/3

11:30 am-6:23 pm

3 stops25h 53m

$1,247

Quickest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Fri 2/19

2:30 pm-10:05 am

2 stops24h 35m

Melbourne

Fri 2/26

10:45 pm-11:54 pm

1 stop20h 09m

$1,312

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 Airport

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

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,078 to $1,493.
The lowest price recently found on this route was $1,019.

What is the cheapest month to fly to Melbourne Airport?

The month of June is, on average, the cheapest month to fly to Melbourne Airport from Portland, with most prices found around $984. The month of November is another great option to travel to Melbourne Airport, with average flight prices from Portland averaging around $1,171.

Can stopping save me money on Portland to Melbourne Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Portland to Melbourne Airport flight.

When to book flights from Portland to Melbourne Airport

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

Estimated round-trip price

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

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

Best Price Found	$585
Fastest flight time	23h 40m
Direct flights	None

The best one-way flight to Melbourne Airport from Portland in the past 72 hours is $585. The best round-trip flight deal from Portland to Melbourne Airport found on momondo in the last 72 hours is $1,019.

The fastest flight from Portland to Melbourne Airport takes 23h 40m

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

Search flight deals

Frequently asked questions about flying from Portland to Melbourne Airport

How far is Portland to Melbourne by plane?
Portland and Melbourne are 8105.4 mi apart from one another. A reasonable flight in good conditions will take 23h 40m.
When did momondo last update prices for flights from Portland Airport to Melbourne Airport?
Prices for flights from Portland Airport to Melbourne Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to Melbourne Airport?
The number of operators available for flights from Portland Airport to Melbourne Airport is 3 as of October 2026.
How old do you have to be to fly from Portland Airport to Melbourne 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Melbourne Airport.
What documentation or ID do you need to fly to Melbourne Airport?
The travel and health documents required for your trip to Melbourne Airport 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 Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland to Melbourne Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Melbourne Airport is United Airlines (69% of total bookings). The next most popular airlines are Delta (16%) and Qantas Airways (14%).

Best airlines flying from Portland to Melbourne Airport

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

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
Delta	PriceFrom $984	Free Cancellation	Rating 7.8 8,694 reviews	Search Delta flights
United Airlines	PriceFrom $1,021	Free Cancellation	Rating 7.3 10,453 reviews	Search United Airlines flights

Shepparton

Ballarat

Tullamarine

Dandenong

Apollo Bay

Geelong

Daylesford

Torquay

Sorrento

Mornington

Brighton

Doncaster

Phillip Island

St Kilda

Lorne

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Melbourne. momondo saves you time and could save you money on your trip.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Melbourne from Portland.

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.

An easier way to manage your Melbourne Airport trip

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Flights to Melbourne Avalon Airportfrom $1,024

Cheap flights from Portland to Melbourne from $585

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 11/4. 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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United Airlines flights from Portland to Melbourne Airport

Our best United Airlines deals on Portland to Melbourne Airport flight tickets

Qantas Airways flights from Portland to Melbourne Airport

Our best Qantas Airways deals on Portland to Melbourne Airport flight tickets

momondo Fare Finder

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

See travel insights to Melbourne from

How to get the cheapest flight ticket from Portland to Melbourne Airport

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

What is the cheapest month to fly to Melbourne Airport?

Can stopping save me money on Portland to Melbourne Airport flights?

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

What airlines fly to Melbourne Airport?

Which airport is the most popular layover for flights between Portland and Melbourne Airport?

Which layover airport offers the lowest fares from Portland to Melbourne Airport?

Which layover airport has the shortest travel time from Portland to Melbourne Airport?

Which layover airport has the shortest connection time from Portland to Melbourne Airport?

When to book flights from Portland to Melbourne Airport

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Melbourne Airport

Best airlines flying from Portland to Melbourne Airport

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

Traveling to a place near Melbourne?

Why use momondo?

An easier way to manage your Melbourne Airport 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 Melbourne

Popular cities in Australia

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According to popular flight searches on momondo this year

Fly your favorite airline to Melbourne

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Cabin classes currently available on flights to Melbourne

List of cabin classes available on flights landing in Melbourne. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year