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

United Airlines and Qantas Airways 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 74% 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 December 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.

$854 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 $1,186 to $1,666. The lowest price recently found on this route was $945.

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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.

5:42 pm - 9:30 am

PDX

MEL

21h 48m1 stop

12:00 pm - 10:08 pm

MEL

PDX

28h 08m1 stop

$945Qantas Airways

Thu, Mar 12 - Wed, Mar 18

7:38 am - 5:00 am

PDX

MEL

26h 22m1 stop

12:00 pm - 10:00 pm

MEL

PDX

29h 00m1 stop

$946American Airlines

Sat, Feb 7 - Fri, Feb 20

7:45 pm - 11:25 am

PDX

MEL

22h 40m2 stops

6:00 am - 9:30 am

MEL

PDX

20h 30m2 stops

$948Multiple Airlines

Fri, May 8 - Thu, May 21

7:45 pm - 11:25 am

PDX

MEL

22h 40m2 stops

6:00 am - 9:30 am

MEL

PDX

20h 30m2 stops

$949Multiple Airlines

Fri, May 8 - Thu, May 21

10:30 am - 9:30 am

PDX

MEL

28h 00m1 stop

12:00 pm - 1:25 pm

MEL

PDX

20h 25m1 stop

$952Multiple Airlines

Tue, Feb 24 - Sat, Mar 7

7:05 pm - 12:10 pm

PDX

MEL

23h 05m2 stops

8:30 pm - 6:30 pm

MEL

PDX

39h 00m2 stops

$953Multiple Airlines

Sun, Mar 29 - Sun, Apr 5

5:42 pm - 9:30 am

PDX

MEL

21h 48m1 stop

12:00 pm - 5:33 pm

MEL

PDX

23h 33m1 stop

$954American Airlines

Thu, Mar 19 - Tue, Mar 24

3:15 pm - 12:35 pm

PDX

MEL

27h 20m2 stops

6:00 am - 9:15 am

MEL

PDX

20h 15m2 stops

$955Air Canada

Wed, Mar 25 - Wed, Apr 8

7:05 pm - 1:35 pm

PDX

MEL

23h 30m2 stops

8:10 am - 9:15 am

MEL

PDX

20h 05m2 stops

$956Air Canada

Tue, Feb 24 - Sat, Mar 7

5:40 pm - 2:20 pm

PDX

AVV

27h 40m2 stops

8:40 pm - 11:44 pm

AVV

PDX

44h 04m2 stops

$1,781Qantas Airways

Sat, May 16 - Sat, May 23

Qantas Airways flights from Portland to Melbourne

Our best Qantas Airways deals on Portland to Melbourne flight tickets

Qantas Airways

Mar 12

PDX5:42 pmPortland

21h 48m

1 stop

MEL9:30 amMelbourne

Mar 18

MEL12:00 pmMelbourne

28h 08m

1 stop

PDX10:08 pmPortland

$945

Find similar

Qantas Airways

Jan 20

PDX4:51 pmPortland

26h 44m

2 stops

MEL2:35 pmMelbourne

Jan 27

MEL12:00 pmMelbourne

27h 34m

1 stop

PDX8:34 pmPortland

$977

Find similar

Qantas Airways

Jan 29

PDX5:50 pmPortland

33h 55m

2 stops

MEL10:45 pmMelbourne

Feb 3

MEL12:00 pmMelbourne

20h 41m

1 stop

PDX1:41 pmPortland

$1,079

Find similar

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets

Air Canada

Mar 25

PDX3:15 pmPortland

27h 20m

2 stops

MEL12:35 pmMelbourne

Apr 8

MEL6:00 amMelbourne

20h 15m

2 stops

PDX9:15 amPortland

$955

Find similar

Air Canada

Feb 24

PDX7:05 pmPortland

23h 30m

2 stops

MEL1:35 pmMelbourne

Mar 7

MEL8:10 amMelbourne

20h 05m

2 stops

PDX9:15 amPortland

$956

Find similar

Air Canada

Feb 7

PDX7:05 pmPortland

24h 10m

2 stops

MEL2:15 pmMelbourne

Feb 20

MEL7:10 amMelbourne

21h 05m

2 stops

PDX9:15 amPortland

$996

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/12

5:42 pm-9:30 am

1 stop21h 48m

Melbourne

Wed 3/18

12:00 pm-10:08 pm

1 stop28h 08m

$945

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/7

7:38 am-5:00 am

1 stop26h 22m

Melbourne

Fri 2/20

12:00 pm-10:00 pm

1 stop29h 00m

$946

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

$948

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

$949

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

10:30 am-9:30 am

1 stop28h 00m

Melbourne

Sat 3/7

12:00 pm-1:25 pm

1 stop20h 25m

$952

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 3/29

7:05 pm-12:10 pm

2 stops23h 05m

Melbourne

Sun 4/5

8:30 pm-6:30 pm

2 stops39h 00m

$953

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

$954

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 3/25

3:15 pm-12:35 pm

2 stops27h 20m

Melbourne

Wed 4/8

6:00 am-9:15 am

2 stops20h 15m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:05 pm-1:35 pm

2 stops23h 30m

Melbourne

Sat 3/7

8:10 am-9:15 am

2 stops20h 05m

$956

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Sat 5/16

5:40 pm-2:20 pm

2 stops27h 40m

Melbourne Avalon

Sat 5/23

8:40 pm-11:44 pm

2 stops44h 04m

$1,781

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 April is another great option to travel to Melbourne, with average flight prices from Portland averaging around $1,037.

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	19h 08m
Direct flights	None

The fastest flight from Portland to Melbourne takes 19h 08m

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 08m 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 December 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 7.5 956 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $914	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
United Airlines	PriceFrom $947	Free Cancellation	Rating 7.4 9,114 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.