$598+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Melbourne with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Melbourne
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to MelbourneExplore 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 17, 2026.
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 17, 2026.
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Wed 10/147:45 pm -
2 stops26h 50m
Wed 10/217:10 am -
2 stops20h 21m
Deal found 8/15![Multiple Airlines logo]()
$1,004
This Air Canada deal was found by Cheapflights users on 8/12. 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 -
2 stops23h 40m
Sun 11/86:05 am -
2 stops22h 21m
Deal found 8/12![Multiple Airlines logo]()
$1,013
This Air Canada deal was found by Cheapflights users on 8/14. 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 8/237:45 pm -
2 stops22h 55m
Sat 9/58:50 pm -
2 stops29h 41m
Deal found 8/14![Multiple Airlines logo]()
$1,022
This Air Canada deal was found by Cheapflights users on 8/13. 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 -
2 stops23h 15m
Thu 11/196:05 am -
2 stops22h 21m
Deal found 8/13![Multiple Airlines logo]()
$1,037
This Air Canada deal was found by Cheapflights users on 8/16. 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 8/167:45 pm -
2 stops23h 50m
Sat 8/226:50 pm -
2 stops31h 41m
Deal found 8/16![Multiple Airlines logo]()
$1,038
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Thu 11/57:10 pm -
2 stops24h 25m
Mon 11/96:05 am -
2 stops22h 21m
Deal found 8/14![Multiple Airlines logo]()
$1,042
This Justfly.com deal was found by Cheapflights users on 8/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:15 pm -
2 stops28h 20m
Sun 11/297:30 am -
2 stops32h 16m
Deal found 8/12![Air Canada logo]()
$1,050
This Air Canada deal was found by Cheapflights users on 8/15. 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.
Sat 9/127:45 pm -
2 stops23h 45m
Sat 9/199:05 pm -
2 stops29h 26m
Deal found 8/15![Multiple Airlines logo]()
$1,080
Best flights from Portland to MelbourneDiscover carefully curated flight deals from Portland to Melbourne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Portland to Melbourne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:09 pm -
1 stop19h 51m
Thu 11/1910:10 am -
2 stops25h 16m
Deal found 8/14![Delta logo]()
$1,198
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:40 pm -
1 stop23h 50m
Sun 11/812:45 pm -
1 stop24h 39m
Deal found 8/16![United Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:43 pm -
1 stop23h 32m
Wed 9/210:55 am -
1 stop20h 52m
Deal found 8/16![United Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:53 am -
1 stop28h 22m
Fri 9/1810:55 am -
1 stop20h 36m
Deal found 8/13![United Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 pm -
1 stop20h 04m
Sun 11/812:45 pm -
1 stop24h 39m
Deal found 8/16![United Airlines logo]()
$1,233
Last-minute flights from Portland to MelbourneDiscover last-minute flight deals from Portland to Melbourne. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Melbourne. Data last updated August 17, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/16. 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 8/167:45 pm -
2 stops23h 50m
Sat 8/226:50 pm -
2 stops31h 41m
Deal found 8/16![Multiple Airlines logo]()
$1,038
This Air Canada deal was found by Cheapflights users on 8/14. 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 8/237:45 pm -
2 stops22h 55m
Sat 9/58:50 pm -
2 stops29h 41m
Deal found 8/14![Multiple Airlines logo]()
$1,022
This FlightHub deal was found by Cheapflights users on 8/13. 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 8/237:45 pm -
2 stops23h 35m
Sat 9/55:30 pm -
2 stops42h 41m
Deal found 8/13![Air Canada logo]()
$1,165
This Air Canada deal was found by Cheapflights users on 8/12. 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 -
2 stops22h 35m
Tue 9/156:00 am -
2 stops25h 46m
Deal found 8/12![Multiple Airlines logo]()
$1,154
This lol.travel deal was found by Cheapflights users on 8/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:45 pm -
2 stops22h 20m
Thu 9/176:00 am -
2 stops20h 31m
Deal found 8/13![Air Canada logo]()
$1,152
This Air Canada deal was found by Cheapflights users on 8/15. 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.
Sat 9/127:45 pm -
2 stops23h 45m
Sat 9/199:05 pm -
2 stops29h 26m
Deal found 8/15![Multiple Airlines logo]()
$1,080
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Sat 9/127:45 pm -
2 stops23h 45m
Fri 9/188:45 pm -
2 stops29h 46m
Deal found 8/13![Multiple Airlines logo]()
$1,118
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Thu 9/177:45 pm -
2 stops22h 35m
Sun 9/209:05 pm -
2 stops29h 26m
Deal found 8/16![Multiple Airlines logo]()
$1,082
This lol.travel deal was found by Cheapflights users on 8/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:45 pm -
2 stops22h 20m
Mon 10/56:15 am -
2 stops21h 16m
Deal found 8/13![Air Canada logo]()
$1,105
One-way flights from Portland to MelbourneSearch for one-way flight options from Portland to Melbourne. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Portland to Melbourne. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:00 am -
2 stops31h 35m
Deal found 8/12![Multiple Airlines logo]()
$598
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:34 pm -
2 stops26h 16m
Deal found 8/12![Delta logo]()
$608
This Air Canada deal was found by Cheapflights users on 8/15. 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 -
2 stops22h 55m
Deal found 8/15![Multiple Airlines logo]()
$652
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:18 am -
1 stop30h 42m
Deal found 8/12![American Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:15 am -
1 stop28h 00m
Deal found 8/16![United Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:11 pm -
3 stops49h 19m
Deal found 8/17![Multiple Airlines logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:45 pm -
3 stops58h 20m
Deal found 8/16![Multiple Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:15 am -
2 stops33h 15m
Deal found 8/13![United Airlines logo]()
$966
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:40 pm -
1 stop20h 50m
Deal found 8/16![Alaska Airlines logo]()
$989
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,004 (FlightHub) |
One-way from | $598 (Cheapflightsfares) |
Popular in | July |
Cheapest in | June |
Average price | $1,207 |
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 17, 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
Cheapest round-trip
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Mon 10/26
5:09 pm-7:00 am
1 stop19h 51m
Melbourne
Thu 11/19
10:10 am-4:26 pm
2 stops25h 16m
$1,198
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Wed 11/4
3:40 pm-10:30 am
1 stop23h 50m
Melbourne
Sun 11/8
12:45 pm-6:24 pm
1 stop24h 39m
$1,233
Quickest round-trip
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Sun 8/30
3:43 pm-8:15 am
1 stop23h 32m
Melbourne
Wed 9/2
10:55 am-2:47 pm
1 stop20h 52m
$1,233
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Sat 9/12
10:53 am-8:15 am
1 stop28h 22m
Melbourne
Fri 9/18
10:55 am-2:31 pm
1 stop20h 36m
$1,233
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Sun 11/1
7:26 pm-10:30 am
1 stop20h 04m
Melbourne
Sun 11/8
12:45 pm-6:24 pm
1 stop24h 39m
$1,233
Cheapest one-way
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Wed 9/2
8:00 am-8:35 am
2 stops31h 35m
$598
Quickest one-way
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Wed 9/9
12:34 pm-7:50 am
2 stops26h 16m
$608
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Sun 10/11
10:54 am-8:50 am
1 stop27h 56m
$608
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Tue 12/1
7:00 am-8:00 am
2 stops30h 00m
$608
PortlandMelbourne
PDX Portland - MEL Melbourne
PDXMEL
Portland
Wed 9/9
8:18 pm-6:45 am
1 stop41h 27m
$689
Showing 1-10 of 13 resultsSorted 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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-MEL
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 $1,120 and $1,225 in October.The cheapest round-trip price found within the last 5 days was $1,004 on Multiple Airlines (Oct 14-Oct 21).
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 17, 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.
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Melbourne Airport?
Book flights to Melbourne Airport if you plan to visit one of these locationsTullamarine
Dandenong
Apollo Bay
Phillip Island
Doncaster
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Other flights to Melbourne
Explore flights to Melbourne departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Portland and Melbourne flights
Browse other Portland and Melbourne flight options. Last updated on August 17, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$574 | Average$974 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$757 | Average$1,122 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$974 | Average$1,230 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$984 | Average$1,205 | FlexibilityNo cancel fee | On-timeN/A |