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

American Airlines is the most popular carrier operating from Portland to Melbourne

What airlines fly to Melbourne?

United Airlines, Qantas Airways and Air Canada 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 67% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 4 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 4 as of August 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.

$598 Cheap Flights from Portland to Melbourne in 2026

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.

7:10 pm - 11:15 pmPDX Portland-AVV Melbourne Avalon

33h 05m2 stops Vancouver Intl Sydney Kingsford Smith

9:15 pm - 6:31 pmAVV Melbourne Avalon-PDX Portland

40h 16m2 stops Brisbane Vancouver Intl

$953Multiple Airlines

Sun, Nov 1 - Mon, Nov 9

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

23h 40m2 stops Vancouver Intl Brisbane

6:05 am - 9:26 amMEL Melbourne-PDX Portland

22h 21m2 stops Brisbane Vancouver Intl

$964Multiple Airlines

Sun, Nov 1 - Mon, Nov 9

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

27h 20m2 stops Vancouver Intl Sydney Kingsford Smith

7:30 am - 9:26 amMEL Melbourne-PDX Portland

20h 56m2 stops Sydney Kingsford Smith Vancouver Intl

$1,052Air Canada

Sun, Nov 8 - Sun, Nov 29

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

$1,159Delta

Tue, Feb 16 - Tue, Mar 9

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

23h 54m1 stop Los Angeles

10:10 am - 6:56 pmMEL Melbourne-PDX Portland

27h 46m1 stop Los Angeles

$1,159Delta

Sun, Nov 1 - Mon, Nov 9

7:10 pm - 6:00 pmPDX Portland-MEL Melbourne

27h 50m2 stops Vancouver Intl Auckland Intl

8:10 am - 9:26 amMEL Melbourne-PDX Portland

20h 16m2 stops Brisbane Vancouver Intl

$1,169Air Canada

Wed, Jan 20 - Tue, Feb 23

1:53 pm - 6:45 amPDX Portland-MEL Melbourne

23h 52m1 stop Los Angeles

9:45 am - 1:35 pmMEL Melbourne-PDX Portland

21h 50m1 stop Los Angeles

$1,195Qantas Airways

Sat, Sep 26 - Sat, Oct 17

1:39 pm - 10:30 amPDX Portland-MEL Melbourne

25h 51m1 stop San Francisco

12:45 pm - 12:25 pmMEL Melbourne-PDX Portland

18h 40m1 stop San Francisco

$1,234United Airlines

Tue, Jan 19 - Sat, Feb 27

1:03 pm - 8:15 amPDX Portland-MEL Melbourne

26h 12m1 stop San Francisco

10:55 am - 9:00 pmMEL Melbourne-PDX Portland

27h 05m1 stop San Francisco

$1,234United Airlines

Tue, Sep 22 - Sun, Sep 27

6:30 am - 11:35 pmPDX Portland-MEL Melbourne

48h 05m2 stops Los Angeles Sydney Kingsford Smith

5:35 pm - 10:49 pmMEL Melbourne-PDX Portland

23h 14m2 stops Brisbane Los Angeles

$1,562Qantas Airways

Sun, Sep 27 - Sun, Oct 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets

United Airlines

Jan 19

PDX1:39 pmPortland

25h 51m

1 stop

MEL10:30 amMelbourne

Feb 27

MEL12:45 pmMelbourne

18h 40m

1 stop

PDX12:25 pmPortland

$1,234

United Airlines

Jan 19

PDX8:45 amPortland

30h 45m

2 stops

MEL10:30 amMelbourne

Feb 23

MEL12:45 pmMelbourne

20h 42m

1 stop

PDX2:27 pmPortland

$1,238

United Airlines

Oct 8

PDX7:00 amPortland

32h 15m

1 stop

MEL9:15 amMelbourne

Oct 15

MEL11:55 amMelbourne

18h 10m

1 stop

PDX12:05 pmPortland

$1,241

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets

Air Canada

Nov 8

PDX3:15 pmPortland

27h 20m

2 stops

MEL1:35 pmMelbourne

Nov 29

MEL7:30 amMelbourne

20h 56m

2 stops

PDX9:26 amPortland

$1,052

Air Canada

Jan 20

PDX7:10 pmPortland

27h 50m

2 stops

MEL6:00 pmMelbourne

Feb 23

MEL8:10 amMelbourne

20h 16m

2 stops

PDX9:26 amPortland

$1,169

Air Canada

Jan 22

PDX10:00 amPortland

33h 00m

2 stops

MEL2:00 pmMelbourne

Feb 23

MEL8:10 amMelbourne

25h 31m

2 stops

PDX2:41 pmPortland

$1,353

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX Portland - AVV Melbourne Avalon

PDXAVV

Portland

Sun 11/1

7:10 pm-11:15 pm

2 stops33h 05m

Melbourne Avalon

Mon 11/9

9:15 pm-6:31 pm

2 stops40h 16m

$953

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/1

7:10 pm-1:50 pm

2 stops23h 40m

Melbourne

Mon 11/9

6:05 am-9:26 am

2 stops22h 21m

$964

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/8

3:15 pm-1:35 pm

2 stops27h 20m

Melbourne

Sun 11/29

7:30 am-9:26 am

2 stops20h 56m

$1,052

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Tue 2/16

10:00 am-8:00 am

1 stop27h 00m

Melbourne

Tue 3/9

10:10 am-4:13 pm

1 stop25h 03m

$1,159

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/1

1:06 pm-8:00 am

1 stop23h 54m

Melbourne

Mon 11/9

10:10 am-6:56 pm

1 stop27h 46m

$1,159

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 1/20

7:10 pm-6:00 pm

2 stops27h 50m

Melbourne

Tue 2/23

8:10 am-9:26 am

2 stops20h 16m

$1,169

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 9/26

1:53 pm-6:45 am

1 stop23h 52m

Melbourne

Sat 10/17

9:45 am-1:35 pm

1 stop21h 50m

$1,195

Quickest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Tue 1/19

1:39 pm-10:30 am

1 stop25h 51m

Melbourne

Sat 2/27

12:45 pm-12:25 pm

1 stop18h 40m

$1,234

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Tue 9/22

1:03 pm-8:15 am

1 stop26h 12m

Melbourne

Sun 9/27

10:55 am-9:00 pm

1 stop27h 05m

$1,234

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 9/27

6:30 am-11:35 pm

2 stops48h 05m

Melbourne

Sun 10/18

5:35 pm-10:49 pm

2 stops23h 14m

$1,562

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 low for flights on this route.

Typical prices usually range from $1,168 to $1,282.
The lowest price recently found on this route was $953.

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 $992.

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	$598
Fastest flight time	22h 55m
Direct flights	None

The best one-way flight to Melbourne from Portland in the past 72 hours is $598. The best round-trip flight deal from Portland to Melbourne found on momondo in the last 72 hours is $953.

The fastest flight from Portland to Melbourne takes 22h 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 22h 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 4 as of August 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
Air Canada	PriceFrom $574	Free Cancellation	Rating 7.1 11,530 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $974	Free Cancellation	Rating 7.4 10,120 reviews	Search United Airlines flights
Delta	PriceFrom $984	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 9/23

Wed 9/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Other Australia destinations

Other flights from Portland

Complete your trip

Feeling lucky

Fly into one of these airports located in Melbourne

Melbourne Avalon Airport

Cheap flights from Portland to Melbourne from $598

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.

Find the cheapest flights from Portland to Melbourne

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Portland to Melbourne

Our best United Airlines deals on Portland to Melbourne flight tickets

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets

momondo Fare Finder

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

See travel insights to Melbourne from

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

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Melbourne

Explore popular destinations other users love

According to popular flight searches on momondo this year