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$444+ Cheap flights from Washington to Melbourne

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Cheap flight deals from Washington to Melbourne

Keep the following information in mind while searching for Washington to Melbourne flight deals. Data was last updated November 29, 2025.

Round-trip from

$932
(Cheapflightsfares)

One-way from

$444
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,618
From Washington to Melbourne
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One-way flight from Washington to Melbourne
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Highest demand for flights based on searches. 13% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Washington to Melbourne

Cheapest flights from Washington to Melbourne
Explore the most affordable flight options available from Washington to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This Qantas Airways deal was found by Cheapflights users on 11/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:59 pmPDX - MEL
1 stop20h 31mMultiple Airlines
Thu 12/412:00 pmMEL - PDX
1 stop24h 28mMultiple Airlines
Deal found 11/29$950
This Qantas Airways deal was found by Cheapflights users on 11/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:34 pmPDX - MEL
2 stops24h 01mQantas Airways
Thu 12/412:00 pmMEL - PDX
1 stop23h 30mQantas Airways
Deal found 11/29$976
This Ovago deal was found by Cheapflights users on 11/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Tue 1/1312:00 pmMEL - PDX
1 stop20h 41mQantas Airways
Deal found 11/27$980
This Qantas Airways deal was found by Cheapflights users on 11/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Thu 1/1512:00 pmMEL - PDX
1 stop20h 41mQantas Airways
Deal found 11/27$1,002
This Justfly.com deal was found by Cheapflights users on 11/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Mon 1/129:00 pmMEL - PDX
2 stops42h 48mQantas Airways
Deal found 11/27$1,050
This Jetabroad deal was found by Cheapflights users on 11/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Tue 1/136:20 pmMEL - PDX
2 stops21h 28mQantas Airways
Deal found 11/27$1,063
This Expedia deal was found by Cheapflights users on 11/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:00 pmSEA - MEL
2 stops33h 10mMultiple Airlines
Sat 12/612:00 pmMEL - SEA
1 stop23h 30mMultiple Airlines
Deal found 11/28$1,108
This Ovago deal was found by Cheapflights users on 11/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmPDX - MEL
2 stops22h 59mQantas Airways
Wed 1/1412:00 pmMEL - PDX
1 stop20h 35mQantas Airways
Deal found 11/27$1,117
This Qantas Airways deal was found by Cheapflights users on 11/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:50 pmSEA - MEL
1 stop23h 40mQantas Airways
Thu 1/1512:00 pmMEL - SEA
1 stop19h 29mQantas Airways
Deal found 11/27$1,122
This Trip.com deal was found by Cheapflights users on 11/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:30 pmSEA - MEL
1 stop40h 05mMultiple Airlines
Mon 12/1511:30 amMEL - SEA
1 stop30h 00mMultiple Airlines
Deal found 11/27$1,132
This Trip.com deal was found by Cheapflights users on 11/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:30 pmSEA - MEL
1 stop40h 05mMultiple Airlines
Tue 12/1611:30 amMEL - SEA
1 stop23h 39mMultiple Airlines
Deal found 11/29$1,133
This Kiwi.com deal was found by Cheapflights users on 11/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:26 pmPDX - MEL
1 stop22h 04mQantas Airways
Wed 1/144:25 pmMEL - PDX
2 stops23h 09mQantas Airways
Deal found 11/27$1,141

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Washington to Melbourne that are best for you.

Fly from

Washington

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/18

2:30 pm-9:30 am

1 stop24h 00m

Melbourne

Fri 3/13

12:00 pm-1:25 pm

1 stop19h 25m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:00 pm-3:35 pm

2 stops25h 35m

Melbourne

Sat 3/7

8:10 am-9:15 am

2 stops20h 05m

$963

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:00 am-9:30 am

1 stop31h 30m

Melbourne

Sun 6/14

9:45 am-10:30 pm

1 stop29h 45m

$965

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 1/13

4:51 pm-10:20 am

2 stops22h 29m

Melbourne

Tue 1/20

12:00 pm-2:48 pm

1 stop21h 48m

$976

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

5:00 pm-8:00 am

2 stops44h 00m

Melbourne

Sun 6/14

10:00 am-4:33 pm

2 stops23h 33m

$985

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/12

5:42 pm-9:30 am

1 stop21h 48m

Melbourne

Mon 3/16

12:00 pm-8:53 pm

1 stop26h 53m

$1,002

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 1/13

4:51 pm-9:35 am

2 stops21h 44m

Melbourne

Tue 1/20

6:20 pm-8:48 pm

2 stops21h 28m

$1,005

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 3/19

7:00 pm-1:05 pm

2 stops24h 05m

Melbourne

Tue 3/24

7:00 am-9:15 am

2 stops20h 15m

$1,016

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 1/6

8:30 am-9:30 am

2 stops30h 00m

Melbourne

Mon 4/6

10:55 am-12:54 am

1 stop30h 59m

$1,026

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 1/10

2:57 pm-9:30 am

1 stop23h 33m

Melbourne

Sat 1/17

12:00 pm-1:41 pm

1 stop20h 41m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 59 results
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Best time to book a flight from Washington to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Washington 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 Washington to Melbourne

What is the cheapest month to book a flight from State of Washington to Melbourne?

Currently, May is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $809). Flying from State of Washington to Melbourne in April is currently the most expensive (average of $1,211). 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.

What is the cheapest time of day to fly from WA to MEL?

Find hourly flight availability from Washington to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 29, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from State of Washington to Melbourne by exploring options for tickets in the evening.

What is the cheapest day to fly from State of Washington to Melbourne?

Use this chart to determine the cheapest time to fly round-trip from Washington to Melbourne. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Melbourne flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • How long is the flight from State of Washington to Melbourne?

    There are many flights that can get you from State of Washington to Melbourne in 23h 33m. Fly via Qantas Airways, American Airlines, or Delta to get the fastest option. The distance between State of Washington and Melbourne is about 8111 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Melbourne one-way?

    For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $445. Users have also found prices from $530 and $646 on United Airlines and Qantas Airways, respectively.

  • What are the most popular routes from State of Washington to Melbourne?

    Most travelers choose Seattle/Tacoma Intl - Melbourne, Portland - Melbourne or Seattle/Tacoma Intl - Melbourne Avalon when deciding on the best route from State of Washington to Melbourne.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Melbourne?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Melbourne (average of $809). Flying from State of Washington to Melbourne in April is currently the most expensive (average of $1,211). 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

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Alternative routes for Washington to Melbourne

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Top 5 airlines flying from Washington to Melbourne

Discover the top 5 airlines that operate flights from Washington 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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$855Average$1,046FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,042Average$1,282FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,078Average$1,438FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,516Average$1,990FlexibilityNo cancel feeOn-time78%
Alaska AirlinesCheapest$1,618Average$1,632FlexibilityNo cancel feeOn-time75%

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