Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Melbourne from $515

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 12/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
5:30 pm - 9:30 amPDX-MEL
21h 00m1 stop
Qantas Airways Logo
12:00 pm - 1:21 pmMEL-PDX
20h 21m1 stop
$932Qantas Airways
Find Deal
Tue, Feb 24 - Sat, Mar 7
Qantas Airways Logo
2:40 pm - 9:30 amPDX-MEL
23h 50m1 stop
Qantas Airways Logo
12:00 pm - 1:21 pmMEL-PDX
20h 21m1 stop
$933Qantas Airways
Find Deal
Tue, Feb 24 - Sat, Mar 7
American Airlines Logo
6:00 am - 9:30 amPDX-MEL
32h 30m1 stop
American Airlines Logo
12:00 pm - 5:12 pmMEL-PDX
24h 12m1 stop
$940American Airlines
Find Deal
Thu, Nov 20 - Tue, Dec 2
American Airlines Logo
5:42 pm - 9:30 amPDX-MEL
20h 48m1 stop
American Airlines Logo
4:05 pm - 7:10 pmMEL-PDX
22h 05m1 stop
$942American Airlines
Find Deal
Fri, Nov 21 - Fri, Dec 5
Multiple Airlines Logo
7:00 pm - 3:30 pmPDX-MEL
25h 30m2 stops
Multiple Airlines Logo
8:10 am - 9:15 amMEL-PDX
20h 05m2 stops
$944Multiple Airlines
Find Deal
Thu, Feb 12 - Thu, Mar 5
Multiple Airlines Logo
7:00 pm - 11:25 amPDX-MEL
23h 25m2 stops
Multiple Airlines Logo
6:00 am - 9:15 amMEL-PDX
20h 15m2 stops
$946Multiple Airlines
Find Deal
Mon, Apr 6 - Thu, Apr 30
Air Canada Logo
3:15 pm - 2:35 pmPDX-MEL
28h 20m2 stops
Air Canada Logo
7:10 am - 2:40 pmMEL-PDX
26h 30m2 stops
$952Air Canada
Find Deal
Sat, Feb 14 - Sat, Feb 28
Air Canada Logo
7:00 pm - 12:35 pmPDX-MEL
23h 35m2 stops
Air Canada Logo
7:00 am - 9:15 amMEL-PDX
20h 15m2 stops
$956Air Canada
Find Deal
Thu, Mar 19 - Tue, Mar 24
United Airlines Logo
3:41 pm - 9:00 amPDX-MEL
23h 19m1 stop
United Airlines Logo
12:00 pm - 12:37 pmMEL-PDX
18h 37m1 stop
$1,014United Airlines
Find Deal
Fri, Mar 13 - Thu, Mar 26
United Airlines Logo
7:49 pm - 10:00 amPDX-MEL
19h 11m1 stop
United Airlines Logo
12:00 pm - 12:37 pmMEL-PDX
18h 37m1 stop
$1,015United Airlines
Find Deal
Sat, Feb 21 - Fri, Mar 13

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets
Air Canada
Feb 14
PDX3:15 pmPortland
28h 20m
2 stops
MEL2:35 pmMelbourne
Feb 28
MEL7:10 amMelbourne
26h 30m
2 stops
PDX2:40 pmPortland
$952
Find similar
Air Canada
Mar 19
PDX7:00 pmPortland
23h 35m
2 stops
MEL12:35 pmMelbourne
Mar 24
MEL7:00 amMelbourne
20h 15m
2 stops
PDX9:15 amPortland
$956
Find similar
Air Canada
Mar 19
PDX7:00 pmPortland
24h 15m
2 stops
MEL1:15 pmMelbourne
Mar 24
MEL6:30 amMelbourne
20h 45m
2 stops
PDX9:15 amPortland
$957
Find similar

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
22h 06m
2 stops
PDX3:06 pmPortland
$1,025
Find similar
Delta
Feb 24
PDX7:37 pmPortland
41h 23m
2 stops
MEL8:00 amMelbourne
Jun 14
MEL10:00 amMelbourne
23h 10m
1 stop
PDX4:10 pmPortland
$1,026
Find similar
Delta
Feb 24
PDX7:52 pmPortland
41h 08m
1 stop
MEL8:00 amMelbourne
Jun 14
MEL10:00 amMelbourne
23h 10m
1 stop
PDX4:10 pmPortland
$1,027
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Portland to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

5:30 pm-9:30 am

1 stop21h 00m

Melbourne

Sat 3/7

12:00 pm-1:21 pm

1 stop20h 21m

$932

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

2:40 pm-9:30 am

1 stop23h 50m

Melbourne

Sat 3/7

12:00 pm-1:21 pm

1 stop20h 21m

$933

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 11/20

6:00 am-9:30 am

1 stop32h 30m

Melbourne

Tue 12/2

12:00 pm-5:12 pm

1 stop24h 12m

$940

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 11/21

5:42 pm-9:30 am

1 stop20h 48m

Melbourne

Fri 12/5

4:05 pm-7:10 pm

1 stop22h 05m

$942

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 2/12

7:00 pm-3:30 pm

2 stops25h 30m

Melbourne

Thu 3/5

8:10 am-9:15 am

2 stops20h 05m

$944

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 4/6

7:00 pm-11:25 am

2 stops23h 25m

Melbourne

Thu 4/30

6:00 am-9:15 am

2 stops20h 15m

$946

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/14

3:15 pm-2:35 pm

2 stops28h 20m

Melbourne

Sat 2/28

7:10 am-2:40 pm

2 stops26h 30m

$952

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

7:00 pm-12:35 pm

2 stops23h 35m

Melbourne

Tue 3/24

7:00 am-9:15 am

2 stops20h 15m

$956

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 3/13

3:41 pm-9:00 am

1 stop23h 19m

Melbourne

Thu 3/26

12:00 pm-12:37 pm

1 stop18h 37m

$1,014

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 2/21

7:49 pm-10:00 am

1 stop19h 11m

Melbourne

Fri 3/13

12:00 pm-12:37 pm

1 stop18h 37m

$1,015

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $1,019.

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.

How far in advance should I book a flight to Melbourne?

You are more likely to see cheaper flights to Melbourne from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $1,338 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Portland for as low as $1,040 on momondo.

Cheap Portland to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Melbourne

Direct flights

None
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 11m 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?

  • 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 CanadaPriceFrom $928Free CancellationRating
7.1
10,412 reviews
Search Air Canada flights
United AirlinesPriceFrom $957Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $997Free CancellationRating
7.5
927 reviews
Search Qantas Airways 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
Sat 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

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
Melbourne Avalon Airport