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Melbourne

$587+ Cheap flights from Portland (PDX) to Melbourne (MEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Portland to Melbourne

Cheapest flights from Portland to Melbourne
Explore the most affordable flight options available from Portland to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Ticket deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:30 pm
PDX
-
MEL
2 stops27h 50m
Air Canada
Tue 9/296:00 am
MEL
-
PDX
2 stops20h 31m
Air Canada
Deal found 7/27$1,053
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:45 pm
PDX
-
MEL
2 stops22h 25m
Multiple Airlines
Tue 10/276:05 am
MEL
-
PDX
2 stops21h 21m
Multiple Airlines
Deal found 7/29$1,074
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:45 pm
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Wed 9/166:00 am
MEL
-
PDX
2 stops30h 11m
Multiple Airlines
Deal found 7/30$1,077
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:45 pm
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Tue 9/299:05 pm
MEL
-
PDX
2 stops29h 26m
Multiple Airlines
Deal found 7/29$1,081
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:10 pm
PDX
-
MEL
2 stops23h 40m
Multiple Airlines
Sun 11/86:05 am
MEL
-
PDX
2 stops22h 21m
Multiple Airlines
Deal found 7/29$1,086
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:15 pm
PDX
-
MEL
2 stops28h 20m
Air Canada
Sun 11/297:30 am
MEL
-
PDX
2 stops30h 01m
Air Canada
Deal found 7/27$1,087
This Air Canada deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:10 pm
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Thu 11/196:05 am
MEL
-
PDX
2 stops22h 21m
Multiple Airlines
Deal found 8/1$1,110
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:45 pm
PDX
-
MEL
2 stops26h 50m
Multiple Airlines
Wed 9/306:00 am
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 7/28$1,114
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:45 pm
PDX
-
MEL
2 stops23h 45m
Multiple Airlines
Sat 9/199:05 pm
MEL
-
PDX
2 stops29h 26m
Multiple Airlines
Deal found 7/29$1,115
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:30 pm
PDX
-
MEL
2 stops26h 50m
Air Canada
Wed 8/196:00 am
MEL
-
PDX
2 stops30h 11m
Air Canada
Deal found 7/27$1,121

Find flight deals from Portland to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,053
(Ticket)

One-way from

$587
(SmartFares)

Popular in

July

Cheapest in

June

Average price

$1,207
Provider with most accurate pricing for Portland-Melbourne flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Melbourne flights.
Search Deals
From Portland to Melbourne
Search Deals
One-way flight from Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/13

7:15 pm-8:15 am

1 stop20h 00m

Melbourne

Tue 9/29

10:55 am-9:10 pm

2 stops27h 15m

$1,205

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 11/25

10:59 am-10:30 am

1 stop28h 31m

Melbourne

Mon 12/14

12:45 pm-2:27 pm

1 stop20h 42m

$1,212

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/14

10:50 am-7:50 am

1 stop28h 00m

Melbourne

Wed 8/19

10:00 am-12:24 pm

1 stop19h 24m

$1,227
Quickest round-trip

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/30

5:34 pm-7:50 am

1 stop21h 16m

Melbourne

Fri 10/16

11:00 am-4:14 pm

1 stop23h 14m

$1,227

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 11/1

1:25 pm-10:30 am

1 stop26h 05m

Melbourne

Sun 11/8

12:45 pm-9:02 pm

1 stop27h 17m

$1,232

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 10/31

3:40 pm-9:30 am

1 stop23h 50m

Melbourne

Wed 11/4

12:45 pm-2:37 pm

1 stop20h 52m

$1,232
Cheapest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

8:00 am-8:35 am

2 stops31h 35m

$597

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/9

8:00 am-9:15 am

2 stops32h 15m

$598

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 9/2

11:15 am-8:15 am

1 stop28h 00m

$636
Quickest one-way

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 10/5

3:23 pm-9:15 am

1 stop23h 52m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Sorted by cheapest first

Compare providers for flights from Portland to Melbourne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Melbourne in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Melbourne Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Melbourne Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Melbourne Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Melbourne Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Melbourne Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Melbourne Airport

What is the cheapest month to book a flight from Portland to Melbourne Airport?

Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $984). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Melbourne Airport?

Airfare is below average for this route at the moment.

Portland to Melbourne Airport flights typically cost between $1,154 and $1,225 in September.
The cheapest round-trip price found within the last 5 days was $1,053 on Air Canada (Sep 13-Sep 29).

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated August 1, 2026.
Read reviews from past customers who have flown Delta,Qantas Airways, andUnited Airlines from Portland to Melbourne Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,498 reviews

Comfort

7.8

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,498 reviews
Delta
7.8
Good
8,498 reviews

Comfort

7.8

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Qantas Airways
7.5
Good
1,073 reviews
Delta
7.8
Good
8,498 reviews

Comfort

7.8

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,063 reviews
Delta
7.8
Good
8,498 reviews

Comfort

7.8

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,415 reviews
Delta
7.8
Good
8,498 reviews

Comfort

7.8

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Portland to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Melbourne?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Melbourne. 4 airlines have flights from Portland to Melbourne on a regular basis. Booking flights from Portland to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

  • How long is the flight from Portland to Melbourne Airport?

    Airlines like United Airlines and Delta fly from Portland to Melbourne Airport in about 20h. The time it takes to get you to your destination can typically vary by up to 8h. Portland and Melbourne Airport are separated by a distance of 8111 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Melbourne Airport round-trip?

    Flying on Air Canada is currently your cheapest option to Melbourne Airport, with prices starting at $574. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at $757 and $974, respectively. You may be able to fly from Portland to Melbourne Airport for 52% less than the average price by searching for these airlines.

  • Can I find deals for flights from Portland to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portland to Melbourne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Melbourne.

  • Can I find deals for business class flights from Portland to Melbourne?

    Yes. Cheapflights offers flight deals from Portland to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Melbourne Airport?

    Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $984). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $1,651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Tullamarine
Dandenong
Apollo Bay
Phillip Island
Doncaster

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Portland to Melbourne

Discover the top 4 airlines that operate flights from Portland to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$574Average$974FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$757Average$1,122FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$974Average$1,230FlexibilityNo cancel feeOn-time69%
DeltaCheapest$984Average$1,205FlexibilityNo cancel feeOn-timeN/A

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