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$465+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Round-trip from

$892
(oojo)

One-way from

$465
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$1,360
From Washington to Melbourne
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One-way flight from Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:00 am
SEA
-
MEL
2 stops38h 35m
Qantas Airways
Wed 2/1112:00 pm
MEL
-
SEA
1 stop24h 52m
Qantas Airways
Deal found 1/13$892
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:50 pm
SEA
-
MEL
1 stop21h 40m
Qantas Airways
Fri 2/206:45 am
MEL
-
SEA
2 stops31h 13m
Qantas Airways
Deal found 1/13$911
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/124:50 pm
SEA
-
MEL
1 stop21h 40m
Qantas Airways
Thu 2/196:45 am
MEL
-
SEA
2 stops31h 13m
Qantas Airways
Deal found 1/14$912
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:00 am
SEA
-
MEL
2 stops38h 35m
Qantas Airways
Sat 2/1412:00 pm
MEL
-
SEA
1 stop25h 58m
Qantas Airways
Deal found 1/14$941
This American Airlines deal was found by Cheapflights users on 1/12. 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.
Fri 1/236:22 pm
PDX
-
MEL
1 stop20h 08m
American Airlines
Sat 2/712:00 pm
MEL
-
PDX
1 stop24h 52m
American Airlines
Deal found 1/12$944
This FlightHub deal was found by Cheapflights users on 1/13. 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.
Wed 8/1911:10 pm
SEA
-
MEL
1 stop36h 50m
Philippine Airlines
Tue 9/16:30 am
MEL
-
SEA
1 stop30h 35m
Philippine Airlines
Deal found 1/13$946
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:37 pm
PDX
-
MEL
1 stop23h 08m
Qantas Airways
Sat 4/189:45 am
MEL
-
PDX
1 stop27h 54m
Qantas Airways
Deal found 1/13$946
This Air Canada deal was found by Cheapflights users on 1/12. 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.
Mon 4/68:00 pm
SEA
-
MEL
2 stops22h 25m
Multiple Airlines
Thu 4/166:00 am
MEL
-
SEA
2 stops26h 03m
Multiple Airlines
Deal found 1/12$950
This Air Canada deal was found by Cheapflights users on 1/11. 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 2/267:05 pm
PDX
-
MEL
2 stops24h 00m
Multiple Airlines
Thu 3/57:10 am
MEL
-
PDX
2 stops21h 05m
Multiple Airlines
Deal found 1/11$950
This Air Canada deal was found by Cheapflights users on 1/12. 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.
Tue 4/218:00 pm
SEA
-
MEL
2 stops22h 25m
Multiple Airlines
Sun 5/38:45 pm
MEL
-
SEA
2 stops38h 45m
Multiple Airlines
Deal found 1/12$954
This Air Canada deal was found by Cheapflights users on 1/12. 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 3/87:05 pm
PDX
-
MEL
2 stops23h 20m
Multiple Airlines
Mon 4/66:00 am
MEL
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 1/12$954
This Travelocity deal was found by Cheapflights users on 1/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:00 pm
SEA
-
MEL
2 stops24h 30m
Multiple Airlines
Wed 2/187:10 am
MEL
-
SEA
2 stops21h 05m
Multiple Airlines
Deal found 1/12$955

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 January 14, 2026.
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

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 2/12

4:50 pm-9:30 am

1 stop21h 40m

Melbourne

Thu 2/19

6:45 am-6:58 pm

2 stops31h 13m

$912

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/1

2:50 pm-6:45 am

1 stop22h 55m

Melbourne

Thu 5/14

9:45 am-1:43 pm

1 stop20h 58m

$950

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/9

6:00 am-5:00 am

1 stop28h 00m

Melbourne

Sun 3/8

12:00 pm-4:08 pm

1 stop23h 08m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 4/3

7:05 pm-12:25 pm

2 stops23h 20m

Melbourne

Thu 4/16

6:00 am-9:15 am

2 stops20h 15m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 6/17

3:41 pm-6:45 am

1 stop22h 04m

Melbourne

Fri 7/17

9:45 am-3:10 pm

1 stop22h 25m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 3/7

5:43 pm-9:30 am

1 stop20h 47m

Melbourne

Sat 4/11

9:45 am-12:39 pm

1 stop19h 54m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 2/11

3:22 pm-9:30 am

1 stop23h 08m

Melbourne

Wed 2/18

4:05 pm-11:27 pm

1 stop26h 22m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

7:45 pm-11:25 am

2 stops22h 40m

Melbourne

Thu 5/21

6:00 am-9:30 am

2 stops20h 30m

$955

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

1:09 pm-6:45 am

1 stop24h 36m

Melbourne

Thu 5/21

9:45 am-3:10 pm

1 stop22h 25m

$955

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 3/28

3:40 pm-3:20 pm

2 stops29h 40m

Melbourne Avalon

Sun 4/19

8:40 pm-9:33 am

2 stops29h 53m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 60 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 June is currently the most expensive (average of $1,058). 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 State of Washington to Melbourne?

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 21h 40m. Fly via Qantas Airways, American Airlines, or United Airlines to get the fastest option. The distance between State of Washington and Melbourne is about 8180 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 Air Canada. According to our data, you can fly for as low as $385. Users have also found prices from $495 and $578 on Qantas Airways and United Airlines, 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 June is currently the most expensive (average of $1,058). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Melbourne

Discover the top 4 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$97Average$1,632FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$828Average$1,145FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,015Average$1,410FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,042Average$1,272FlexibilityNo cancel feeOn-time74%

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