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 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.

$514 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 $1,109 to $1,457. The lowest price recently found on this route was $943.

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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.

5:39 pm - 9:30 am

PDX

MEL

20h 51m1 stop

12:00 pm - 1:25 pm

MEL

PDX

20h 25m1 stop

$943Qantas Airways

Wed, Feb 25 - Wed, Mar 4

5:39 pm - 9:30 am

PDX

MEL

20h 51m1 stop

12:00 pm - 1:25 pm

MEL

PDX

20h 25m1 stop

$950Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

10:41 am - 6:45 am

PDX

MEL

27h 04m1 stop

9:45 am - 1:43 pm

MEL

PDX

20h 58m1 stop

$951Multiple Airlines

Thu, May 21 - Fri, May 29

7:05 pm - 12:25 pm

PDX

MEL

23h 20m2 stops

6:00 am - 9:15 am

MEL

PDX

20h 15m2 stops

$954Multiple Airlines

Mon, Mar 9 - Mon, Apr 6

3:41 pm - 6:45 am

PDX

MEL

22h 04m1 stop

9:45 am - 3:10 pm

MEL

PDX

22h 25m1 stop

$955Multiple Airlines

Wed, Jun 17 - Fri, Jul 17

3:15 pm - 2:15 pm

PDX

MEL

28h 00m2 stops

8:10 am - 2:40 pm

MEL

PDX

25h 30m2 stops

$958Air Canada

Tue, Feb 24 - Sat, Mar 7

9:50 am - 3:35 pm

PDX

MEL

34h 45m2 stops

7:10 am - 9:15 am

MEL

PDX

21h 05m2 stops

$962Air Canada

Wed, Feb 25 - Wed, Mar 4

1:02 pm - 8:00 am

PDX

MEL

23h 58m1 stop

10:10 am - 12:00 pm

MEL

PDX

20h 50m1 stop

$986Delta

Wed, Jan 28 - Wed, Feb 4

5:00 pm - 8:00 am

PDX

MEL

44h 00m2 stops

10:00 am - 7:26 pm

MEL

PDX

26h 26m1 stop

$989Delta

Tue, Feb 24 - Sun, Jun 14

3:41 pm - 8:05 pm

PDX

AVV

35h 24m2 stops

8:50 am - 9:29 pm

AVV

PDX

29h 39m2 stops

$1,879Qantas Airways

Thu, May 21 - Fri, May 29

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets

Air Canada

Feb 24

PDX3:15 pmPortland

28h 00m

2 stops

MEL2:15 pmMelbourne

Mar 7

MEL8:10 amMelbourne

25h 30m

2 stops

PDX2:40 pmPortland

$958

Air Canada

Feb 25

PDX9:50 amPortland

34h 45m

2 stops

MEL3:35 pmMelbourne

Mar 4

MEL7:10 amMelbourne

21h 05m

2 stops

PDX9:15 amPortland

$962

Air Canada

Feb 15

PDX7:05 pmPortland

23h 30m

2 stops

MEL1:35 pmMelbourne

Feb 19

MEL8:10 amMelbourne

20h 05m

2 stops

PDX9:15 amPortland

$1,134

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets

American Airlines

Feb 24

PDX6:25 amPortland

32h 05m

1 stop

MEL9:30 amMelbourne

Mar 7

MEL4:05 pmMelbourne

22h 11m

1 stop

PDX7:16 pmPortland

$1,002

American Airlines

Feb 26

PDX5:43 pmPortland

20h 47m

1 stop

MEL9:30 amMelbourne

Mar 5

MEL4:55 pmMelbourne

24h 03m

2 stops

PDX9:58 pmPortland

$1,017

American Airlines

Mar 9

PDX5:38 pmPortland

25h 02m

2 stops

MEL12:40 pmMelbourne

Apr 6

MEL9:45 amMelbourne

24h 23m

1 stop

PDX5:08 pmPortland

$1,150

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/25

5:39 pm-9:30 am

1 stop20h 51m

Melbourne

Wed 3/4

12:00 pm-1:25 pm

1 stop20h 25m

$943

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/26

5:39 pm-9:30 am

1 stop20h 51m

Melbourne

Thu 3/5

12:00 pm-1:25 pm

1 stop20h 25m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 5/21

10:41 am-6:45 am

1 stop27h 04m

Melbourne

Fri 5/29

9:45 am-1:43 pm

1 stop20h 58m

$951

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 3/9

7:05 pm-12:25 pm

2 stops23h 20m

Melbourne

Mon 4/6

6:00 am-9:15 am

2 stops20h 15m

$954

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 6/17

3:41 pm-6:45 am

1 stop22h 04m

Melbourne

Fri 7/17

9:45 am-3:10 pm

1 stop22h 25m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

3:15 pm-2:15 pm

2 stops28h 00m

Melbourne

Sat 3/7

8:10 am-2:40 pm

2 stops25h 30m

$958

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/25

9:50 am-3:35 pm

2 stops34h 45m

Melbourne

Wed 3/4

7:10 am-9:15 am

2 stops21h 05m

$962

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 1/28

1:02 pm-8:00 am

1 stop23h 58m

Melbourne

Wed 2/4

10:10 am-12:00 pm

1 stop20h 50m

$986

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

5:00 pm-8:00 am

2 stops44h 00m

Melbourne

Sun 6/14

10:00 am-7:26 pm

1 stop26h 26m

$989

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 5/21

3:41 pm-8:05 pm

2 stops35h 24m

Melbourne Avalon

Fri 5/29

8:50 am-9:29 pm

2 stops29h 39m

$1,879

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	19h 09m
Direct flights	None

The fastest flight from Portland to Melbourne takes 19h 09m

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 19h 09m 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 7.5 969 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $928	Free Cancellation	Rating 7.1 10,618 reviews	Search Air Canada flights
United Airlines	PriceFrom $947	Free Cancellation	Rating 7.4 9,144 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.