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

American Airlines 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 70% 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 January 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.

$498 Cheap Flights from Portland to Melbourne in 2026

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 $1,042 to $1,328. The lowest price recently found on this route was $948.

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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.

5:43 pm - 9:30 am

PDX

MEL

20h 47m

1 stop

12:00 pm - 5:08 pm

MEL

PDX

23h 08m

1 stop

$948American Airlines

Thu, Mar 5 - Thu, Mar 12

2:57 pm - 9:30 am

PDX

MEL

23h 33m

1 stop

12:00 pm - 1:41 pm

MEL

PDX

20h 41m

1 stop

$950Multiple Airlines

Mon, Feb 2 - Thu, Feb 5

6:35 am - 5:00 am

PDX

MEL

27h 25m

1 stop

4:05 pm - 11:06 pm

MEL

PDX

25h 01m

1 stop

$951American Airlines

Sat, Mar 7 - Sat, Mar 14

7:45 pm - 11:25 am

PDX

MEL

22h 40m

2 stops

6:00 am - 9:30 am

MEL

PDX

20h 30m

2 stops

$955Multiple Airlines

Fri, May 8 - Thu, May 21

3:15 pm - 2:15 pm

PDX

MEL

28h 00m

2 stops

6:05 am - 9:15 am

MEL

PDX

22h 10m

2 stops

$956Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

7:05 pm - 4:35 pm

PDX

MEL

26h 30m

2 stops

7:10 am - 9:15 am

MEL

PDX

21h 05m

2 stops

$957Multiple Airlines

Tue, Feb 24 - Sat, Mar 7

7:45 pm - 11:05 am

PDX

MEL

22h 20m

2 stops

6:00 am - 9:30 am

MEL

PDX

20h 30m

2 stops

$963Air Canada

Fri, May 1 - Wed, May 6

7:05 pm - 3:35 pm

PDX

MEL

25h 30m

2 stops

7:10 am - 6:30 pm

MEL

PDX

29h 20m

2 stops

$968Air Canada

Sat, Mar 7 - Sat, Mar 14

3:41 pm - 2:10 pm

PDX

AVV

29h 29m

2 stops

8:40 pm - 9:29 pm

AVV

PDX

41h 49m

2 stops

$2,104Qantas Airways

Wed, Jun 17 - Fri, Jul 17

5:34 pm - 2:10 pm

PDX

AVV

27h 36m

2 stops

10:35 am - 9:29 pm

AVV

PDX

27h 54m

2 stops

$2,199Qantas Airways

Sat, Jul 18 - Sun, Jul 26

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets

American Airlines

Mar 5

PDX5:43 pmPortland

20h 47m

1 stop

MEL9:30 amMelbourne

Mar 12

MEL12:00 pmMelbourne

23h 08m

1 stop

PDX5:08 pmPortland

$948

American Airlines

Mar 7

PDX6:35 amPortland

27h 25m

1 stop

MEL5:00 amMelbourne

Mar 14

MEL4:05 pmMelbourne

25h 01m

1 stop

PDX11:06 pmPortland

$951

American Airlines

Jan 23

PDX6:00 amPortland

28h 00m

1 stop

MEL5:00 amMelbourne

Jan 27

MEL12:00 pmMelbourne

21h 48m

1 stop

PDX2:48 pmPortland

$955

Delta flights from Portland to Melbourne

Our best Delta deals on Portland to Melbourne flight tickets

Delta

Feb 23

PDX10:25 amPortland

26h 35m

1 stop

MEL8:00 amMelbourne

Mar 13

MEL9:10 amMelbourne

25h 33m

1 stop

PDX4:43 pmPortland

$985

Delta

Feb 24

PDX7:35 pmPortland

41h 25m

2 stops

MEL8:00 amMelbourne

Mar 13

MEL9:10 amMelbourne

21h 59m

2 stops

PDX1:09 pmPortland

$989

Delta

Mar 15

PDX7:58 pmPortland

41h 02m

1 stop

MEL7:00 amMelbourne

Mar 27

MEL9:10 amMelbourne

21h 04m

1 stop

PDX12:14 pmPortland

$990

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/5

5:43 pm-9:30 am

1 stop20h 47m

Melbourne

Thu 3/12

12:00 pm-5:08 pm

1 stop23h 08m

$948

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/2

2:57 pm-9:30 am

1 stop23h 33m

Melbourne

Thu 2/5

12:00 pm-1:41 pm

1 stop20h 41m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 3/7

6:35 am-5:00 am

1 stop27h 25m

Melbourne

Sat 3/14

4:05 pm-11:06 pm

1 stop25h 01m

$951

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

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/11

3:15 pm-2:15 pm

2 stops28h 00m

Melbourne

Wed 2/18

6:05 am-9:15 am

2 stops22h 10m

$956

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:05 pm-4:35 pm

2 stops26h 30m

Melbourne

Sat 3/7

7:10 am-9:15 am

2 stops21h 05m

$957

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/1

7:45 pm-11:05 am

2 stops22h 20m

Melbourne

Wed 5/6

6:00 am-9:30 am

2 stops20h 30m

$963

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 3/7

7:05 pm-3:35 pm

2 stops25h 30m

Melbourne

Sat 3/14

7:10 am-6:30 pm

2 stops29h 20m

$968

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Wed 6/17

3:41 pm-2:10 pm

2 stops29h 29m

Melbourne Avalon

Fri 7/17

8:40 pm-9:29 pm

2 stops41h 49m

$2,104

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sat 7/18

5:34 pm-2:10 pm

2 stops27h 36m

Melbourne Avalon

Sun 7/26

10:35 am-9:29 pm

2 stops27h 54m

$2,199

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, 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 $988. 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 51m
Direct flights	None

The fastest flight from Portland to Melbourne takes 20h 51m

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 51m 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 January 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 7.5 973 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $928	Free Cancellation	Rating 7.1 10,646 reviews	Search Air Canada flights
United Airlines	PriceFrom $947	Free Cancellation	Rating 7.4 9,191 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.