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Cheap flights from Oregon 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 Oregon to Melbourne departing on 9/9. 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 Oregon to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 pm - 12:10 pmPDX  Portland-MEL Melbourne
22h 25m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:05 am - 9:26 amMEL  Melbourne-PDX Portland
21h 21m2 stops Brisbane Vancouver Intl
$999Multiple Airlines
Sun, Oct 18 - Tue, Oct 27
Multiple Airlines Logo
7:45 pm - 12:10 pmPDX  Portland-MEL Melbourne
22h 25m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:05 am - 9:26 amMEL  Melbourne-PDX Portland
21h 21m2 stops Brisbane Vancouver Intl
$1,000Multiple Airlines
Sun, Oct 11 - Sun, Oct 25
Air Canada Logo
3:30 pm - 11:20 amPDX  Portland-MEL Melbourne
26h 50m2 stops Vancouver Intl Brisbane
Air Canada Logo
5:30 pm - 9:31 amMEL  Melbourne-PDX Portland
33h 01m2 stops Sydney Kingsford Smith Vancouver Intl
$1,014Air Canada
Sun, Aug 23 - Sat, Sep 5
Air Canada Logo
7:45 pm - 11:35 amPDX  Portland-MEL Melbourne
22h 50m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
6:00 am - 2:46 pmMEL  Melbourne-PDX Portland
25h 46m2 stops Brisbane Vancouver Intl
$1,028Air Canada
Wed, Sep 9 - Wed, Sep 16
Delta Logo
1:05 pm - 7:00 amPDX  Portland-MEL Melbourne
23h 55m1 stop Los Angeles
Delta Logo
10:10 am - 10:01 amMEL  Melbourne-PDX Portland
18h 51m1 stop Los Angeles
$1,228Delta
Mon, Oct 26 - Thu, Nov 19
Delta Logo
1:05 pm - 8:00 amPDX  Portland-MEL Melbourne
23h 55m1 stop Los Angeles
Delta Logo
10:10 am - 12:10 pmMEL  Melbourne-PDX Portland
21h 00m1 stop Los Angeles
$1,228Delta
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
1:03 pm - 8:15 amPDX  Portland-MEL Melbourne
26h 12m1 stop San Francisco
United Airlines Logo
10:55 am - 2:27 pmMEL  Melbourne-PDX Portland
20h 32m1 stop San Francisco
$1,232United Airlines
Mon, Sep 21 - Wed, Sep 30
United Airlines Logo
7:15 pm - 8:15 amPDX  Portland-MEL Melbourne
20h 00m1 stop San Francisco
United Airlines Logo
10:55 am - 2:27 pmMEL  Melbourne-PDX Portland
20h 32m1 stop San Francisco
$1,232United Airlines
Mon, Sep 21 - Sat, Oct 3
Qantas Airways Logo
1:53 pm - 6:45 amPDX  Portland-MEL Melbourne
23h 52m1 stop Los Angeles
Qantas Airways Logo
9:45 am - 9:55 pmMEL  Melbourne-PDX Portland
29h 10m1 stop Los Angeles
$1,272Qantas Airways
Sat, Sep 26 - Mon, Sep 28
Qantas Airways Logo
3:33 pm - 6:45 amPDX  Portland-MEL Melbourne
22h 12m1 stop Los Angeles
Qantas Airways Logo
3:40 pm - 9:55 pmMEL  Melbourne-PDX Portland
23h 15m2 stops Brisbane Los Angeles
$1,394Qantas Airways
Sat, Sep 26 - Mon, Sep 28

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Qantas Airways flights from Oregon to Melbourne

Our best Qantas Airways deals on Oregon to Melbourne flight tickets
Qantas Airways
Aug 13
PDX2:39 pmPortland
23h 06m
1 stop
MEL6:45 amMelbourne
Aug 26
MEL9:45 amMelbourne
20h 40m
1 stop
PDX1:25 pmPortland
$1,181
Qantas Airways
Aug 23
PDX7:03 amPortland
44h 02m
2 stops
AVV8:05 pmMelbourne Avalon
Sep 5
AVV8:40 pmMelbourne Avalon
44h 19m
2 stops
PDX11:59 pmPortland
$2,491
Qantas Airways
Aug 23
PDX10:30 amPortland
43h 20m
2 stops
AVV10:50 pmMelbourne Avalon
Sep 5
AVV6:00 amMelbourne Avalon
34h 59m
2 stops
PDX11:59 pmPortland
$2,771

American Airlines flights from Oregon to Melbourne

Our best American Airlines deals on Oregon to Melbourne flight tickets
American Airlines
Sep 9
PDX7:00 amPortland
29h 00m
1 stop
MEL5:00 amMelbourne
Sep 16
MEL1:35 pmMelbourne
25h 31m
2 stops
PDX10:06 pmPortland
$1,206
American Airlines
Aug 10
PDX5:18 amPortland
30h 42m
1 stop
MEL5:00 amMelbourne
Aug 18
MEL9:45 amMelbourne
24h 06m
2 stops
PDX4:51 pmPortland
$1,214
American Airlines
Aug 13
PDX6:35 amPortland
31h 10m
1 stop
MEL6:45 amMelbourne
Aug 26
MEL9:45 amMelbourne
24h 06m
2 stops
PDX4:51 pmPortland
$1,222

momondo Fare Finder

 
Customize your flight search to find flights from Oregon 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 9, 2026.
Use the filters below to find and compare flights from Oregon to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 10/18

7:45 pm-12:10 pm

2 stops22h 25m

Melbourne

Tue 10/27

6:05 am-9:26 am

2 stops21h 21m

$999

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 10/11

7:45 pm-12:10 pm

2 stops22h 25m

Melbourne

Sun 10/25

6:05 am-9:26 am

2 stops21h 21m

$1,000

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 8/23

3:30 pm-11:20 am

2 stops26h 50m

Melbourne

Sat 9/5

5:30 pm-9:31 am

2 stops33h 01m

$1,014

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 9/9

7:45 pm-11:35 am

2 stops22h 50m

Melbourne

Wed 9/16

6:00 am-2:46 pm

2 stops25h 46m

$1,028

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 10/26

1:05 pm-7:00 am

1 stop23h 55m

Melbourne

Thu 11/19

10:10 am-10:01 am

1 stop18h 51m

$1,228

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Thu 11/5

1:05 pm-8:00 am

1 stop23h 55m

Melbourne

Mon 11/9

10:10 am-12:10 pm

1 stop21h 00m

$1,228

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 9/21

1:03 pm-8:15 am

1 stop26h 12m

Melbourne

Wed 9/30

10:55 am-2:27 pm

1 stop20h 32m

$1,232
Quickest round-trip

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 9/21

7:15 pm-8:15 am

1 stop20h 00m

Melbourne

Sat 10/3

10:55 am-2:27 pm

1 stop20h 32m

$1,232

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 9/26

1:53 pm-6:45 am

1 stop23h 52m

Melbourne

Mon 9/28

9:45 am-9:55 pm

1 stop29h 10m

$1,272

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 9/26

3:33 pm-6:45 am

1 stop22h 12m

Melbourne

Mon 9/28

3:40 pm-9:55 pm

2 stops23h 15m

$1,394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

How to get the cheapest flight ticket from Oregon 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 cheapest month to fly to Melbourne?

In general, June is the cheapest month to fly from Oregon 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 Oregon averaging around $992.

Cheap Oregon to Melbourne flight deals and tips

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

Fastest flight time

20h 00m

Direct flights

None
The fastest flight from Oregon to Melbourne takes 20h 00m
There are no direct flights from Oregon to Melbourne. There are no popular flight routes from Oregon to Melbourne.
Search flight deals

Frequently asked questions about flying from Oregon to Melbourne

  • When did momondo last update prices for flights from Oregon to Melbourne?

    Prices for flights from Oregon to Melbourne refresh daily.

  • How many operators does momondo search for flights from Oregon to Melbourne?

  • How old do you have to be to fly from Oregon 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 Oregon to Melbourne.

  • What documentation or ID do you need to fly to Melbourne?

    The necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Melbourne

Compare and see reviews for airlines that fly from Oregon to Melbourne with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $574Free CancellationRating
7.1
11,455 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $757Free CancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $974Free CancellationRating
7.4
10,092 reviews
Search United Airlines flights
DeltaPriceFrom $984Free CancellationRating
7.8
8,497 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Melbourne?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oregon to Melbourne. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Oregon to Melbourne with flexible booking policies on momondo?

Flights from Oregon to Melbourne with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oregon to Melbourne?

momondo helps you find the best flight between Oregon 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 Oregon to Melbourne right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Melbourne from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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