Cheap Flights from Portland (PDX) to Melbourne (MEL)

View AU$815 flight on Sat, 30 May 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Melbourne Airport (MEL)

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Cheap Flights from Portland (PDX) to Melbourne (MEL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Sat, 30 May - Mon, 8 June
PDX
Portland
MEL
Melbourne
AU$1,502 Return, found 2 days ago
AU$1,502
Return
found 2 days ago
Select Qantas Airways flight, departing Sat, 30 May from Portland to Melbourne, returning Mon, 8 June, priced at AU$1,502 found 2 days ago
United
Fri, 6 Nov - Fri, 20 Nov
PDX
Portland
MEL
Melbourne
AU$1,512 Return, found 2 hours ago
AU$1,512
Return
found 2 hours ago
Select United flight, departing Fri, 6 Nov from Portland to Melbourne, returning Fri, 20 Nov, priced at AU$1,512 found 2 hours ago
United
Sat, 30 May - Wed, 10 June
PDX
Portland
MEL
Melbourne
AU$1,518 Return, found 2 days ago
AU$1,518
Return
found 2 days ago
Select United flight, departing Sat, 30 May from Portland to Melbourne, returning Wed, 10 June, priced at AU$1,518 found 2 days ago
United
Thu, 28 May - Fri, 5 June
PDX
Portland
MEL
Melbourne
AU$1,520 Return, found 1 day ago
AU$1,520
Return
found 1 day ago
Select United flight, departing Thu, 28 May from Portland to Melbourne, returning Fri, 5 June, priced at AU$1,520 found 1 day ago
Alaska Airlines
Thu, 28 May - Fri, 5 June
PDX
Portland
MEL
Melbourne
AU$1,527 Return, found 1 day ago
AU$1,527
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Portland to Melbourne, returning Fri, 5 June, priced at AU$1,527 found 1 day ago
Delta
Fri, 31 July - Sun, 9 Aug
PDX
Portland
MEL
Melbourne
AU$1,529 Return, found 3 days ago
AU$1,529
Return
found 3 days ago
Select Delta flight, departing Fri, 31 July from Portland to Melbourne, returning Sun, 9 Aug, priced at AU$1,529 found 3 days ago
Delta
Thu, 28 May - Fri, 5 June
PDX
Portland
MEL
Melbourne
AU$1,530 Return, found 1 day ago
AU$1,530
Return
found 1 day ago
Select Delta flight, departing Thu, 28 May from Portland to Melbourne, returning Fri, 5 June, priced at AU$1,530 found 1 day ago
United
Sun, 8 Nov - Sun, 22 Nov
PDX
Portland
MEL
Melbourne
AU$1,534 Return, found 2 hours ago
AU$1,534
Return
found 2 hours ago
Select United flight, departing Sun, 8 Nov from Portland to Melbourne, returning Sun, 22 Nov, priced at AU$1,534 found 2 hours ago
Qantas Airways
Sat, 30 May - Wed, 10 June
PDX
Portland
MEL
Melbourne
AU$1,537 Return, found 2 days ago
AU$1,537
Return
found 2 days ago
Select Qantas Airways flight, departing Sat, 30 May from Portland to Melbourne, returning Wed, 10 June, priced at AU$1,537 found 2 days ago
Air Canada
Sat, 7 Nov - Fri, 20 Nov
PDX
Portland
MEL
Melbourne
AU$1,570 Return, found 2 hours ago
AU$1,570
Return
found 2 hours ago
Select Air Canada flight, departing Sat, 7 Nov from Portland to Melbourne, returning Fri, 20 Nov, priced at AU$1,570 found 2 hours ago

Frequently asked questions

How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
There are approximately 19 connecting flights per day from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine). Some common connection points include Los Angeles Intl. (LAX), Vancouver Intl. (YVR), and San Francisco Intl. (SFO).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The earliest flight from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) typically departs at approximately 12:40 AM local time. This service is operated by American Airlines and Qantas. This is a seasonal service active in June. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
You'll typically find the most flights from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) on a Thursday, with around 32 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Alaska Airlines, United Airlines, and American Airlines.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) are in the afternoon, from 3pm to 6pm. About 45% of passengers prefer this time. Many major carriers, including Delta, Jetstar and Virgin Australia, offer flights during this window. This timing works well because it allows you to have a full day before your flight and arrive in Melbourne at a convenient time.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
Flying from PDX to MEL with a connection usually takes about 23 hours 20 minutes, traveling roughly 8,117 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
Select the "Business class" and "First class" filters when looking for PDX to MEL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Melbourne from Portland Intl. (PDX)?
When traveling from Portland Intl. (PDX) to Melbourne, you can fly into Avalon (AVV), Tullamarine (MEL) and Orlando Melbourne Intl. (MLB). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Vancouver Intl. (YVR), San Francisco Intl. (SFO) before reaching Melbourne. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine)?
If you booked your Portland, OR (PDX-Portland Intl.) to Melbourne, VIC (MEL-Tullamarine) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Tullamarine
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, American Airlines, Delta, Qantas Airways, United
Return price
AU$1,502
Distance
12985 km

Book with confidence

Your quick guide to flights from Portland to Melbourne

Pick up great flights from Portland to Melbourne

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Portland to Melbourne. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Portland to Melbourne that take around hours.

Find cheap flights from Portland to Melbourne

From the great flight deals with prices currently ranging from AU$1,502 to AU$1,570, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Portland to Melbourne around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Melbourne is normally in May.

Reasons to book your flight from Portland to Melbourne with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Portland to Melbourne across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Melbourne right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Portland to Melbourne

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