Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Melbourne from $598

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 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 pm - 12:30 pmPDX  Portland-MEL Melbourne
23h 45m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
6:00 am - 9:31 amMEL  Melbourne-PDX Portland
20h 31m2 stops Brisbane Vancouver Intl
$1,001Multiple Airlines
Mon, Sep 14 - Wed, Sep 23
Multiple Airlines Logo
7:10 pm - 2:15 pmPDX  Portland-MEL Melbourne
24h 05m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
6:05 am - 9:26 amMEL  Melbourne-PDX Portland
22h 21m2 stops Brisbane Vancouver Intl
$1,006Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Air Canada Logo
7:10 pm - 3:15 pmPDX  Portland-MEL Melbourne
25h 05m2 stops Vancouver Intl Brisbane
Air Canada Logo
8:10 am - 8:46 pmMEL  Melbourne-PDX Portland
31h 36m2 stops Brisbane Vancouver Intl
$1,010Air Canada
Mon, Feb 1 - Mon, Feb 15
Air Canada Logo
7:00 am - 2:15 pmPDX  Portland-MEL Melbourne
36h 15m2 stops Vancouver Intl Brisbane
Air Canada Logo
8:10 am - 6:31 pmMEL  Melbourne-PDX Portland
29h 21m2 stops Brisbane Vancouver Intl
$1,010Air Canada
Sun, Nov 1 - Sun, Nov 8
Delta Logo
5:10 pm - 8:00 amPDX  Portland-MEL Melbourne
19h 50m1 stop Los Angeles
Delta Logo
10:10 am - 4:13 pmMEL  Melbourne-PDX Portland
25h 03m1 stop Los Angeles
$1,159Delta
Mon, Feb 1 - Mon, Feb 15
Delta Logo
1:45 pm - 8:00 amPDX  Portland-MEL Melbourne
23h 15m2 stops Salt Lake City Los Angeles
Delta Logo
10:10 am - 7:28 pmMEL  Melbourne-PDX Portland
28h 18m1 stop Los Angeles
$1,163Delta
Mon, Feb 1 - Mon, Feb 15
United Airlines Logo
1:03 pm - 8:15 amPDX  Portland-MEL Melbourne
26h 12m1 stop San Francisco
United Airlines Logo
10:55 am - 9:05 pmMEL  Melbourne-PDX Portland
27h 10m2 stops San Francisco Denver Intl
$1,225United Airlines
Sun, Aug 23 - Sat, Sep 5
United Airlines Logo
7:00 am - 8:15 amPDX  Portland-MEL Melbourne
32h 15m1 stop San Francisco
United Airlines Logo
10:55 am - 12:00 pmMEL  Melbourne-PDX Portland
18h 05m1 stop San Francisco
$1,225United Airlines
Sun, Aug 23 - Sat, Sep 5
Qantas Airways Logo
3:33 pm - 6:45 amPDX  Portland-MEL Melbourne
22h 12m1 stop Los Angeles
Qantas Airways Logo
9:00 pm - 4:36 pmMEL  Melbourne-PDX Portland
36h 36m2 stops Sydney Kingsford Smith Los Angeles
$1,620Qantas Airways
Thu, Sep 10 - Sun, Sep 13
Qantas Airways Logo
3:33 pm - 6:45 amPDX  Portland-MEL Melbourne
22h 12m1 stop Los Angeles
Qantas Airways Logo
4:00 pm - 1:25 pmMEL  Melbourne-PDX Portland
38h 25m2 stops Sydney Kingsford Smith Los Angeles
$1,724Qantas Airways
Thu, Sep 10 - Sat, Sep 12

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

American Airlines flights from Portland to Melbourne

Our best American Airlines deals on Portland to Melbourne flight tickets
American Airlines
Sep 28
PDX9:00 amPortland
27h 00m
2 stops
MEL5:00 amMelbourne
Oct 5
MEL2:35 pmMelbourne
24h 36m
1 stop
PDX9:11 pmPortland
$1,202
American Airlines
Sep 9
PDX7:00 amPortland
29h 00m
1 stop
MEL5:00 amMelbourne
Sep 16
MEL1:35 pmMelbourne
22h 45m
1 stop
PDX7:20 pmPortland
$1,206
American Airlines
Aug 23
PDX6:35 amPortland
31h 10m
1 stop
MEL6:45 amMelbourne
Sep 5
MEL9:45 amMelbourne
24h 06m
2 stops
PDX4:51 pmPortland
$1,222

Air Canada flights from Portland to Melbourne

Our best Air Canada deals on Portland to Melbourne flight tickets
Air Canada
Nov 1
PDX7:00 amPortland
36h 15m
2 stops
MEL2:15 pmMelbourne
Nov 8
MEL8:10 amMelbourne
29h 21m
2 stops
PDX6:31 pmPortland
$1,010
Air Canada
Nov 8
PDX3:15 pmPortland
28h 20m
2 stops
MEL2:35 pmMelbourne
Nov 29
MEL7:30 amMelbourne
32h 16m
2 stops
PDX8:46 pmPortland
$1,050
Air Canada
Nov 8
PDX3:15 pmPortland
28h 20m
2 stops
MEL2:35 pmMelbourne
Nov 29
MEL7:30 amMelbourne
32h 16m
2 stops
PDX8:46 pmPortland
$1,051

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 August 14, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 9/14

7:45 pm-12:30 pm

2 stops23h 45m

Melbourne

Wed 9/23

6:00 am-9:31 am

2 stops20h 31m

$1,001

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/1

7:10 pm-2:15 pm

2 stops24h 05m

Melbourne

Sun 11/8

6:05 am-9:26 am

2 stops22h 21m

$1,006

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/1

7:10 pm-3:15 pm

2 stops25h 05m

Melbourne

Mon 2/15

8:10 am-8:46 pm

2 stops31h 36m

$1,010

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/1

7:00 am-2:15 pm

2 stops36h 15m

Melbourne

Sun 11/8

8:10 am-6:31 pm

2 stops29h 21m

$1,010

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/1

5:10 pm-8:00 am

1 stop19h 50m

Melbourne

Mon 2/15

10:10 am-4:13 pm

1 stop25h 03m

$1,159

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 2/1

1:45 pm-8:00 am

2 stops23h 15m

Melbourne

Mon 2/15

10:10 am-7:28 pm

1 stop28h 18m

$1,163

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 8/23

1:03 pm-8:15 am

1 stop26h 12m

Melbourne

Sat 9/5

10:55 am-9:05 pm

2 stops27h 10m

$1,225

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 8/23

7:00 am-8:15 am

1 stop32h 15m

Melbourne

Sat 9/5

10:55 am-12:00 pm

1 stop18h 05m

$1,225

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 9/10

3:33 pm-6:45 am

1 stop22h 12m

Melbourne

Sun 9/13

9:00 pm-4:36 pm

2 stops36h 36m

$1,620

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 9/10

3:33 pm-6:45 am

1 stop22h 12m

Melbourne

Sat 9/12

4:00 pm-1:25 pm

2 stops38h 25m

$1,724

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,120 to $1,218.
The lowest price recently found on this route was $1,001.

What is the cheapest month to fly to Melbourne?

In general, June 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 $984. The month of February is another great option to travel to Melbourne, with average flight prices from Portland averaging around $992.

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

23h 15m

Direct flights

None
The fastest flight from Portland to Melbourne takes 23h 15m
There are no direct flights from Portland to Melbourne. There are no popular flight routes from Portland to Melbourne.
Search flight deals

Frequently asked questions about flying from Portland to Melbourne

  • How far is Portland to Melbourne by plane?

    The straight-line distance from Portland to Melbourne is 8105.9 mi. Typically, this will take 23h 15m 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 $574Free CancellationRating
7.1
11,470 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $974Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights
DeltaPriceFrom $984Free CancellationRating
7.8
8,503 reviews
Search Delta 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
Sun 9/13
Sun 9/20
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