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Cheap flights from Washington to Melbourne from $738

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Melbourne departing on 22/8. 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 Washington to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 12:10PDX  Portland-MEL Melbourne
22h 25m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:05 - 09:26MEL  Melbourne-PDX Portland
21h 21m2 stops Brisbane Vancouver Intl
$1,413Multiple Airlines
Sun, 18 Oct - Tue, 27 Oct
Multiple Airlines Logo
19:45 - 12:10PDX  Portland-MEL Melbourne
22h 25m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
06:05 - 09:26MEL  Melbourne-PDX Portland
21h 21m2 stops Brisbane Vancouver Intl
$1,414Multiple Airlines
Sun, 11 Oct - Sun, 25 Oct
Multiple Airlines Logo
19:45 - 12:30PDX  Portland-MEL Melbourne
23h 45m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:00 - 09:31MEL  Melbourne-PDX Portland
20h 31m2 stops Brisbane Vancouver Intl
$1,416Multiple Airlines
Mon, 14 Sep - Wed, 23 Sep
Multiple Airlines Logo
19:45 - 12:30PDX  Portland-MEL Melbourne
23h 45m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:00 - 14:46MEL  Melbourne-PDX Portland
25h 46m2 stops Brisbane Vancouver Intl
$1,416Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
19:10 - 13:50PDX  Portland-MEL Melbourne
23h 40m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:05 - 09:26MEL  Melbourne-PDX Portland
22h 21m2 stops Brisbane Vancouver Intl
$1,431Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
19:10 - 13:50PDX  Portland-MEL Melbourne
23h 40m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:05 - 09:26MEL  Melbourne-PDX Portland
22h 21m2 stops Brisbane Vancouver Intl
$1,433Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
19:45 - 12:35PDX  Portland-MEL Melbourne
23h 50m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:00 - 14:46MEL  Melbourne-PDX Portland
25h 46m2 stops Brisbane Vancouver Intl
$1,437Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Air Canada Logo
19:45 - 11:35PDX  Portland-MEL Melbourne
22h 50m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
06:00 - 14:46MEL  Melbourne-PDX Portland
25h 46m2 stops Brisbane Vancouver Intl
$1,454Air Canada
Wed, 9 Sep - Wed, 16 Sep
United Airlines Logo
10:55 - 08:15SEA  Seattle/Tacoma Intl-MEL Melbourne
28h 20m1 stop San Francisco
United Airlines Logo
10:55 - 16:14MEL  Melbourne-SEA Seattle/Tacoma Intl
22h 19m1 stop San Francisco
$1,478United Airlines
Thu, 20 Aug - Mon, 31 Aug
United Airlines Logo
18:52 - 07:30SEA  Seattle/Tacoma Intl-MEL Melbourne
19h 38m1 stop Los Angeles Los Angeles
United Airlines Logo
10:55 - 20:43MEL  Melbourne-SEA Seattle/Tacoma Intl
26h 48m1 stop San Francisco
$1,478United Airlines
Wed, 26 Aug - Fri, 11 Sep

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Air Canada flights from State of Washington to Melbourne

Our best Air Canada deals on State of Washington to Melbourne flight tickets
Air Canada
9 Sept
PDX19:45Portland
22h 50m
2 stops
MEL11:35Melbourne
16 Sept
MEL06:00Melbourne
25h 46m
2 stops
PDX14:46Portland
$1,454
Air Canada
8 Nov
PDX15:15Portland
28h 20m
2 stops
MEL14:35Melbourne
29 Nov
MEL07:30Melbourne
30h 01m
2 stops
PDX18:31Portland
$1,485
Air Canada
11 Sept
PDX15:30Portland
27h 30m
2 stops
MEL12:00Melbourne
14 Sept
MEL20:30Melbourne
30h 01m
2 stops
PDX09:31Portland
$1,488

Delta flights from State of Washington to Melbourne

Our best Delta deals on State of Washington to Melbourne flight tickets
Delta
27 Oct
SEA12:30Seattle/Tacoma Intl
24h 30m
1 stop
MEL07:00Melbourne
24 Nov
MEL10:10Melbourne
28h 59m
1 stop
SEA20:09Seattle/Tacoma Intl
$1,556
Delta
27 Oct
SEA07:15Seattle/Tacoma Intl
31h 35m
2 stops
MEL08:50Melbourne
11 Nov
MEL12:00Melbourne
19h 40m
1 stop
SEA12:40Seattle/Tacoma Intl
$1,561
Delta
25 Oct
SEA14:30Seattle/Tacoma Intl
24h 20m
1 stop
MEL08:50Melbourne
9 Nov
MEL12:00Melbourne
46h 17m
1 stop
SEA15:17Seattle/Tacoma Intl
$1,566

momondo Fare Finder

 
Customise your flight search to find flights from State of Washington 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 78,305 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from Washington to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 18/10

19:45-12:10

2 stops22h 25m

Melbourne

Tue 27/10

06:05-09:26

2 stops21h 21m

$1,413

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/10

19:45-12:10

2 stops22h 25m

Melbourne

Sun 25/10

06:05-09:26

2 stops21h 21m

$1,414

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 14/9

19:45-12:30

2 stops23h 45m

Melbourne

Wed 23/9

06:00-09:31

2 stops20h 31m

$1,416

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 9/9

19:45-12:30

2 stops23h 45m

Melbourne

Wed 16/9

06:00-14:46

2 stops25h 46m

$1,416

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 1/11

19:10-13:50

2 stops23h 40m

Melbourne

Sun 8/11

06:05-09:26

2 stops22h 21m

$1,431

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 1/11

19:10-13:50

2 stops23h 40m

Melbourne

Sun 8/11

06:05-09:26

2 stops22h 21m

$1,433

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 9/9

19:45-12:35

2 stops23h 50m

Melbourne

Wed 16/9

06:00-14:46

2 stops25h 46m

$1,437

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Wed 9/9

19:45-11:35

2 stops22h 50m

Melbourne

Wed 16/9

06:00-14:46

2 stops25h 46m

$1,454

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 20/8

10:55-08:15

1 stop28h 20m

Melbourne

Mon 31/8

10:55-16:14

1 stop22h 19m

$1,478

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 26/8

18:52-07:30

1 stop19h 38m

Melbourne

Fri 11/9

10:55-20:43

1 stop26h 48m

$1,478

Flights are sorted by cheapest return 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 State of Washington 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, March is the cheapest month to fly from State of Washington to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,462. If you aren’t able to travel to Melbourne during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,502.

How far in advance should I book a flight from Washington to Melbourne?

You are more likely to see cheaper flights to Melbourne from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $1,771 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from State of Washington for as low as $1,477 on momondo.

Cheap State of Washington to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Melbourne

Fastest flight time

20h 00m

Direct flights

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

Frequently asked questions about flying from Washington to Melbourne

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

    Prices for flights from Washington to Melbourne are updated daily.

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

  • How old do you have to be to fly from Washington to Melbourne?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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 licence, 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 State of Washington to Melbourne

Compare and see reviews for airlines that fly from State of Washington to Melbourne with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,431Free cancellationRating
7.4
10,099 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington.

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

momondo does allow users to show only those flights to Melbourne from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Melbourne.

I’m not ready to book a flight from Washington to Melbourne right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Melbourne now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Melbourne and let you know when they 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 50.4 km from Melbourne
Melbourne Avalon Airport