Cheap flights from Washington to Melbourne from $592

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

$1,246

One-way from

$592

Popular in

December

Cheapest in

June

Average price

$1,898
Air Canada
  • Air Canada
  • 10/2-4/3
  • 4 total stops
  • 48h 56m total
  • Washington to Melbourne
Air Canada
  • Air Canada
  • 1/2
  • 2 total stops
  • 24h 35m total
  • Washington to Melbourne
Highest demand for flights based on searches. 11% potential increase in price ($431 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($122 potential savings vs. average return price).
Average for round-trip flights in August 2025

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 29 August 2025.

Sat 8/1115:40SEA - MEL
2 stops27h 35mMultiple Airlines
Mon 17/1108:10MEL - SEA
2 stops20h 21mMultiple Airlines
Deal found 29/8$1,307
Fri 12/1220:00SEA - MEL
2 stops43h 35mAir Canada
Tue 23/1218:50MEL - SEA
2 stops33h 41mAir Canada
Deal found 28/8$1,309
Tue 16/919:15SEA - MEL
2 stops22h 20mMultiple Airlines
Thu 2/1006:00MEL - SEA
2 stops20h 21mMultiple Airlines
Deal found 27/8$1,407
Fri 24/1019:15SEA - MEL
2 stops25h 00mMultiple Airlines
Sat 1/1107:00MEL - SEA
2 stops20h 31mMultiple Airlines
Deal found 28/8$1,445
Tue 2/915:25PDX - MEL
2 stops26h 40mAir Canada
Wed 10/906:00MEL - PDX
2 stops25h 46mAir Canada
Deal found 28/8$1,450
Thu 11/908:15SEA - MEL
2 stops42h 00mMultiple Airlines
Sun 14/906:00MEL - SEA
2 stops32h 44mMultiple Airlines
Deal found 28/8$1,455
Tue 16/919:15SEA - MEL
2 stops22h 50mAir Canada
Thu 2/1006:00MEL - SEA
2 stops25h 16mAir Canada
Deal found 28/8$1,459
Thu 27/1110:05PDX - MEL
1 stop28h 55mUnited Airlines
Sat 6/1213:00MEL - PDX
2 stops39h 38mUnited Airlines
Deal found 26/8$1,499
Thu 25/918:25PDX - MEL
2 stops44h 05mUnited Airlines
Thu 2/1010:55MEL - PDX
1 stop18h 47mUnited Airlines
Deal found 26/8$1,521
Fri 19/915:59SEA - MEL
2 stops27h 11mMultiple Airlines
Thu 25/906:00MEL - SEA
2 stops25h 16mMultiple Airlines
Deal found 27/8$1,579
Sat 30/815:25PDX - MEL
2 stops28h 10mMultiple Airlines
Sun 7/921:40MEL - PDX
2 stops28h 41mMultiple Airlines
Deal found 26/8$1,585
Sun 12/1014:55SEA - MEL
2 stops27h 40mAir Canada
Sun 19/1007:10MEL - SEA
2 stops20h 11mAir Canada
Deal found 28/8$1,591

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 29 August 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

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-14:15

2 stops23h 15m

Melbourne

Fri 27/2

07:10-09:31

2 stops21h 21m

$1,246

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-15:15

2 stops24h 15m

Melbourne

Thu 19/3

07:10-15:01

2 stops25h 51m

$1,248

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/2

15:40-15:35

2 stops28h 55m

Melbourne

Sun 22/2

07:10-09:31

2 stops21h 21m

$1,258

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 12/12

20:00-10:35

2 stops43h 35m

Melbourne

Tue 23/12

18:50-09:31

2 stops33h 41m

$1,309

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-15:15

2 stops24h 15m

Melbourne

Fri 20/3

06:40-09:31

2 stops20h 51m

$1,323

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-14:15

2 stops23h 15m

Melbourne

Wed 18/3

07:10-15:01

2 stops25h 51m

$1,323

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/2

15:40-15:35

2 stops28h 55m

Melbourne

Fri 20/3

07:10-15:01

2 stops25h 51m

$1,335

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/2

15:40-15:35

2 stops28h 55m

Melbourne

Wed 18/3

07:10-19:16

2 stops30h 06m

$1,335

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/2

15:40-15:35

2 stops28h 55m

Melbourne

Thu 19/3

06:40-15:01

2 stops26h 21m

$1,335

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 9/2

20:00-15:15

2 stops24h 15m

Melbourne

Thu 5/3

07:10-09:31

2 stops21h 21m

$1,386

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results
1
2
3
...
6

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 return 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 $132). Flying from State of Washington to Melbourne in October is currently the most expensive (average of $184). 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.

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?

    For as low as $1,246, Air Canada can have you in Melbourne from State of Washington in 23h 15m. There are 13164 km between State of Washington and Melbourne. This flight may include one or multiple stops.

  • What are the most popular routes 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 holiday 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 $132). Flying from State of Washington to Melbourne in October is currently the most expensive (average of $184). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Washington to Melbourne

Discover the top airline 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 647,157 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,545Average$2,209FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington to Melbourne?

Cheapflights helps you search for flights from Washington to Melbourne via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Melbourne.

Can Cheapflights find flights from Washington to Melbourne with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington to Melbourne, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Washington to Melbourne become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.