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Cheap flights from Washington to Melbourne Airport from $740

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Melbourne

Enter your travel dates to find the best prices.

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 16 December 2025.

Tue 30/1213:35SEA - MEL
1 stop25h 25mUnited Airlines
Mon 2/211:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 15/12$1,521
Tue 16/1208:40SEA - MEL
2 stops29h 50mUnited Airlines
Thu 15/111:30MEL - SEA
2 stops25h 56mUnited Airlines
Deal found 15/12$1,529
Wed 17/1212:45SEA - MEL
1 stop24h 15mDelta
Wed 21/110:10MEL - SEA
1 stop21h 47mDelta
Deal found 15/12$1,532
Thu 18/1220:20SEA - MEL
1 stop40h 40mDelta
Wed 21/110:10MEL - SEA
1 stop29h 26mDelta
Deal found 15/12$1,541
Tue 16/1220:20SEA - MEL
1 stop40h 40mDelta
Sun 18/110:10MEL - SEA
1 stop28h 24mDelta
Deal found 14/12$1,544
Thu 18/1220:20SEA - MEL
1 stop40h 40mDelta
Wed 14/110:10MEL - SEA
2 stops32h 12mDelta
Deal found 15/12$1,550
Sat 13/1216:02PDX - MEL
2 stops46h 28mUnited Airlines
Mon 29/1213:00MEL - PDX
1 stop24h 48mUnited Airlines
Deal found 13/12$1,557
Sat 20/1219:30SEA - MEL
2 stops65h 30mDelta
Sun 25/110:10MEL - SEA
1 stop27h 33mDelta
Deal found 15/12$1,559
Sun 21/1219:30SEA - MEL
2 stops41h 30mDelta
Fri 26/1210:10MEL - SEA
1 stop28h 46mDelta
Deal found 15/12$1,878
Tue 16/1208:40SEA - MEL
2 stops29h 50mUnited Airlines
Tue 13/107:10MEL - SEA
2 stops27h 34mUnited Airlines
Deal found 14/12$1,914
Sat 13/1213:14PDX - MEL
2 stops25h 16mUnited Airlines
Sun 28/1211:30MEL - PDX
2 stops30h 29mUnited Airlines
Deal found 13/12$2,018
Sat 13/1221:30PDX - MEL
3 stops48h 45mAir Tahiti Nui
Mon 29/1218:30MEL - PDX
3 stops46h 31mAir Tahiti Nui
Deal found 13/12$3,528

Find flight deals from Washington to Melbourne

Keep the following information in mind while searching for Washington to Melbourne flight deals. Data was last updated 16 December 2025.

Round-trip from

$1,414

One-way from

$740

Popular in

December

Cheapest in

February

Average price

$2,556
Air Canada
  • Air Canada
  • 2/2-17/2
  • 4 total stops
  • 44h 05m total
  • Washington to Melbourne
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 9/4
  • 1 total stop
  • 38h 20m total
  • Washington to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 16 December 2025.
Use the filters below to find and compare flights from Washington to Melbourne Airport that are best for you.

Fly from

Washington

Fly to

Melbourne

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/3

17:30-09:30

1 stop22h 00m

Melbourne

Tue 28/4

09:45-13:31

1 stop20h 46m

$1,434

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

12:09-06:45

1 stop25h 36m

Melbourne

Thu 21/5

09:45-13:47

1 stop21h 02m

$1,434

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/2

18:22-09:30

1 stop20h 08m

Melbourne

Tue 17/2

12:00-17:19

1 stop24h 19m

$1,434

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/3

15:10-09:30

2 stops24h 20m

Melbourne

Tue 28/4

09:45-16:26

2 stops23h 41m

$1,441

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 8/5

12:09-06:45

1 stop25h 36m

Melbourne

Thu 21/5

09:45-22:30

1 stop29h 45m

$1,446

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 20/5

12:09-06:45

1 stop25h 36m

Melbourne

Wed 27/5

16:35-22:30

2 stops22h 55m

$1,467

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

14:47-10:05

2 stops24h 18m

Melbourne

Sat 7/3

12:00-13:25

1 stop20h 25m

$1,475

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 2/2

18:22-09:30

1 stop20h 08m

Melbourne

Tue 17/2

10:45-17:19

2 stops25h 34m

$1,478

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 20/5

10:00-07:50

1 stop28h 50m

Melbourne

Wed 27/5

10:00-16:10

1 stop23h 10m

$1,479

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 2/2

17:10-10:00

1 stop21h 50m

Melbourne

Sun 15/2

11:30-21:01

2 stops28h 31m

$1,512

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 30 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 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 Airport

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

Currently, May is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,217). Flying from State of Washington to Melbourne Airport in June is currently the most expensive (average of $1,592). 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 Airport?

    For as low as $1,512, American Airlines can have you in Melbourne Airport from State of Washington in 21h 50m. There are 13164 km between State of Washington and Melbourne Airport. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $742 on Qantas Airways. Other airlines that offer cheap prices include Air Canada from $772 and United Airlines from $869 one-way.

  • 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 Airport?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Melbourne Airport (average of $1,217). Flying from State of Washington to Melbourne Airport in June is currently the most expensive (average of $1,592). 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

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Geelong
Dandenong
Ballarat
Apollo Bay
St Kilda
Tullamarine
Lorne
Phillip Island
Shepparton
Torquay
Daylesford
Sorrento
Mornington
Brighton
Doncaster

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Melbourne

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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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,629Average$2,068FlexibilityNo 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Melbourne from Washington.

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, Cheapflights offers price alerts on Washington to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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