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

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

What airlines fly to Melbourne?

United Airlines, Air Canada and Qantas Airways 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 72% 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 2025.

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.

$519 Cheap Flights from Portland to Melbourne in 2025/26

Q: 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 $1,199 to $2,272. The lowest price recently found on this route was $871.

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Find the cheapest flights from Portland to Melbourne

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 9:30 amPDX-MEL

28h 00m1 stop

12:00 pm - 4:41 pmMEL-PDX

23h 41m1 stop

$871Multiple Airlines

Find Deal

Tue, Feb 24 - Sat, Mar 7

10:52 am - 9:30 amPDX-MEL

27h 38m1 stop

12:00 pm - 4:49 pmMEL-PDX

23h 49m1 stop

$891Multiple Airlines

Find Deal

Sun, Jan 18 - Sat, Jan 24

2:30 pm - 9:30 amPDX-MEL

24h 00m1 stop

12:00 pm - 1:25 pmMEL-PDX

20h 25m1 stop

$932Qantas Airways

Find Deal

Tue, Feb 24 - Sat, Mar 7

3:50 pm - 6:45 amPDX-MEL

21h 55m1 stop

9:45 am - 10:31 pmMEL-PDX

29h 46m1 stop

$939Qantas Airways

Find Deal

Sat, Apr 4 - Sun, May 3

7:00 pm - 5:50 pmPDX-MEL

27h 50m2 stops

9:05 pm - 9:15 amMEL-PDX

31h 10m2 stops

$948Multiple Airlines

Find Deal

Sun, Jan 18 - Sat, Jan 24

5:42 pm - 9:30 amPDX-MEL

21h 48m1 stop

12:00 pm - 5:33 pmMEL-PDX

23h 33m1 stop

$950American Airlines

Find Deal

Thu, Mar 19 - Tue, Mar 24

11:48 am - 9:30 amPDX-MEL

26h 42m2 stops

4:05 pm - 7:43 pmMEL-PDX

22h 38m1 stop

$954American Airlines

Find Deal

Tue, Feb 24 - Sat, Mar 7

7:00 pm - 3:35 pmPDX-MEL

25h 35m2 stops

7:10 am - 2:40 pmMEL-PDX

26h 30m2 stops

$957Multiple Airlines

Find Deal

Mon, Jan 12 - Wed, Jan 21

5:39 pm - 3:50 pmPDX-AVV

28h 11m2 stops

9:40 pm - 10:08 pmAVV-PDX

42h 28m2 stops

$1,790Qantas Airways

Find Deal

Tue, Mar 17 - Tue, Mar 31

10:30 am - 3:50 pmPDX-AVV

34h 20m2 stops

4:25 pm - 8:53 pmAVV-PDX

23h 28m2 stops

$1,870Qantas Airways

Find Deal

Tue, Feb 24 - Sat, Mar 7

Delta flights from Portland to Melbourne

Our best Delta deals on Portland to Melbourne flight tickets

Delta

Feb 24

PDX7:11 pmPortland

41h 49m

2 stops

MEL8:00 amMelbourne

Jun 14

MEL10:00 amMelbourne

26h 26m

1 stop

PDX7:26 pmPortland

$985

Find similar

Delta

Feb 24

PDX5:00 pmPortland

44h 00m

2 stops

MEL8:00 amMelbourne

Jun 14

MEL10:00 amMelbourne

30h 41m

2 stops

PDX11:41 pmPortland

$1,070

Find similar

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets

Air Canada

Jan 17

PDX7:00 pmPortland

25h 35m

2 stops

MEL3:35 pmMelbourne

Jan 24

MEL6:50 pmMelbourne

33h 25m

2 stops

PDX9:15 amPortland

$1,031

Find similar

Air Canada

Jan 16

PDX7:00 pmPortland

25h 35m

2 stops

MEL3:35 pmMelbourne

Jan 21

MEL8:10 amMelbourne

25h 30m

2 stops

PDX2:40 pmPortland

$1,086

Find similar

Air Canada

Jan 16

PDX7:00 pmPortland

25h 35m

2 stops

MEL3:35 pmMelbourne

Jan 22

MEL7:10 amMelbourne

21h 05m

2 stops

PDX9:15 amPortland

$1,136

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

10:30 am-9:30 am

1 stop28h 00m

Melbourne

Sat 3/7

12:00 pm-4:41 pm

1 stop23h 41m

$871

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/18

10:52 am-9:30 am

1 stop27h 38m

Melbourne

Sat 1/24

12:00 pm-4:49 pm

1 stop23h 49m

$891

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

2:30 pm-9:30 am

1 stop24h 00m

Melbourne

Sat 3/7

12:00 pm-1:25 pm

1 stop20h 25m

$932

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 4/4

3:50 pm-6:45 am

1 stop21h 55m

Melbourne

Sun 5/3

9:45 am-10:31 pm

1 stop29h 46m

$939

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 1/18

7:00 pm-5:50 pm

2 stops27h 50m

Melbourne

Sat 1/24

9:05 pm-9:15 am

2 stops31h 10m

$948

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

5:42 pm-9:30 am

1 stop21h 48m

Melbourne

Tue 3/24

12:00 pm-5:33 pm

1 stop23h 33m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

11:48 am-9:30 am

2 stops26h 42m

Melbourne

Sat 3/7

4:05 pm-7:43 pm

1 stop22h 38m

$954

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 1/12

7:00 pm-3:35 pm

2 stops25h 35m

Melbourne

Wed 1/21

7:10 am-2:40 pm

2 stops26h 30m

$957

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 3/17

5:39 pm-3:50 pm

2 stops28h 11m

Melbourne Avalon

Tue 3/31

9:40 pm-10:08 pm

2 stops42h 28m

$1,790

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Tue 2/24

10:30 am-3:50 pm

2 stops34h 20m

Melbourne Avalon

Sat 3/7

4:25 pm-8:53 pm

2 stops23h 28m

$1,870

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?

What is the cheapest month to fly to Melbourne?

In general, November 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 $1,008. The month of February is another great option to travel to Melbourne, with average flight prices from Portland averaging around $1,014.

What is the cheapest day to depart on your flight to Melbourne?

On average, the least expensive day to fly to Melbourne from Portland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,291. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Melbourne on Saturday is $1,534.

What is the cheapest time of day to depart on your flight to Melbourne?

Our most recent data shows that the best time of day to fly to Melbourne is in the evening. Flights from Portland to Melbourne during this time can be as low as $1,342. Flights to Melbourne are more costly in the morning, with an average ticket price of $1,943. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 40m
Direct flights	None

The fastest flight from Portland to Melbourne takes 20h 40m

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

Search flight deals

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 40m 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 2025.
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 7.5 946 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $928	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
United Airlines	PriceFrom $957	Free Cancellation	Rating 7.4 9,047 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.

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.

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Melbourne Avalon Airport

Popular cities in Australia

Flights to Sydneyfrom $643

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Flights to Perthfrom $914

Flights to Adelaidefrom $795

Flights to Cairnsfrom $903

Flights to Coolangattafrom $968

Flights to Hobartfrom $1,025

Flights to Canberrafrom $862

Flights to Darwinfrom $1,119

Flights to Maroochydorefrom $1,095

Flights to Launcestonfrom $1,560

Flights to Ballinafrom $1,283

Cheap flights from Portland to Melbourne from $519

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from Portland to Melbourne

Cheap round-trip flights

Cheap one-way flights

Delta flights from Portland to Melbourne

Our best Delta 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

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?

What is the cheapest day to depart on your flight to Melbourne?

What is the cheapest time of day to depart on your flight to Melbourne?

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

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

What airlines fly to Melbourne?

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

Direct flights

How far is Portland to Melbourne by plane?

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

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?

What documentation or ID do you need to fly 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?

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

Can I find flights from Portland to Melbourne with flexible booking policies on momondo?

How can momondo help me find flights from Portland to Melbourne?

I’m not ready to book a flight from Portland to Melbourne right now. Can momondo alert me if prices change?

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