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Cheap flights from Seattle to Melbourne Airport from $692

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Melbourne
Explore the most affordable flight options available from Seattle to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2026.

Sun 15/1119:05
SEA
-
MEL
2 stops25h 25m
Multiple Airlines
Sun 29/1107:10
MEL
-
SEA
2 stops21h 41m
Multiple Airlines
Deal found 7/4$1,461
Mon 22/619:20
SEA
-
MEL
2 stops25h 50m
Multiple Airlines
Mon 6/720:30
MEL
-
SEA
2 stops30h 37m
Multiple Airlines
Deal found 7/4$1,467
Fri 25/915:00
SEA
-
MEL
2 stops27h 05m
Air Canada
Fri 23/1007:10
MEL
-
SEA
2 stops20h 42m
Air Canada
Deal found 6/4$1,471
Wed 1/719:20
SEA
-
MEL
2 stops22h 45m
Air Canada
Sat 11/718:00
MEL
-
SEA
2 stops33h 07m
Air Canada
Deal found 7/4$1,478
Tue 12/519:20
SEA
-
MEL
2 stops23h 00m
Multiple Airlines
Sat 23/521:05
MEL
-
SEA
2 stops34h 15m
Multiple Airlines
Deal found 9/4$1,484
Wed 6/519:20
SEA
-
MEL
2 stops25h 55m
Multiple Airlines
Wed 13/506:00
MEL
-
SEA
2 stops25h 20m
Multiple Airlines
Deal found 7/4$1,488
Wed 6/519:20
SEA
-
MEL
2 stops25h 55m
Multiple Airlines
Sun 17/520:45
MEL
-
SEA
2 stops30h 20m
Multiple Airlines
Deal found 8/4$1,489
Sat 2/519:20
SEA
-
MEL
2 stops23h 00m
Multiple Airlines
Tue 19/506:00
MEL
-
SEA
2 stops29h 30m
Multiple Airlines
Deal found 9/4$1,491
Mon 4/514:55
SEA
-
MEL
2 stops27h 40m
Multiple Airlines
Mon 11/506:00
MEL
-
SEA
2 stops33h 40m
Multiple Airlines
Deal found 7/4$1,492
Mon 4/519:20
SEA
-
MEL
2 stops23h 15m
Air Canada
Mon 11/520:30
MEL
-
SEA
2 stops30h 35m
Air Canada
Deal found 7/4$1,499

Find flight deals from Seattle to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 April 2026.

Round-trip from

$1,467

One-way from

$692

Popular in

December

Cheapest in

March

Average price

$1,864
Air Canada
  • Air Canada
  • 22/6-6/7
  • 4 total stops
  • 56h 27m total
  • Seattle to Melbourne
Search Deals
16/5
  • 16/5
  • 2 total stops
  • 31h 54m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($400 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle 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 12 April 2026.
Use the filters below to find and compare flights from Seattle to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 9/5

19:36-08:15

1 stop19h 39m

Melbourne

Sat 16/5

10:55-14:36

1 stop20h 41m

$1,866

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 23/5

17:20-08:15

1 stop21h 55m

Melbourne

Sat 30/5

10:55-12:34

1 stop18h 39m

$1,866

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 24/5

23:52-08:15

2 stops39h 23m

Melbourne

Sun 14/6

10:55-12:34

1 stop18h 39m

$1,871

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 24/5

21:20-07:50

1 stop41h 30m

Melbourne

Sun 14/6

10:00-20:34

1 stop27h 34m

$1,886

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 23/4

19:59-07:50

1 stop42h 51m

Melbourne

Sun 10/5

10:00-15:05

1 stop22h 05m

$1,888

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 23/4

15:48-07:30

2 stops46h 42m

Melbourne

Sun 10/5

09:30-23:29

3 stops30h 59m

$1,897

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 6/7

12:35-07:50

1 stop26h 15m

Melbourne

Fri 31/7

10:00-16:40

1 stop23h 40m

$1,904

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 25/9

12:00-07:50

1 stop26h 50m

Melbourne

Fri 23/10

11:00-18:30

2 stops25h 30m

$1,914

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 30/5

17:31-14:15

2 stops27h 44m

Melbourne

Sat 20/6

06:00-21:45

2 stops32h 45m

$1,938

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 7/9

12:15-07:30

1 stop26h 15m

Melbourne

Mon 14/9

06:30-11:33

2 stops22h 03m

$2,011

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Seattle to Melbourne

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

How far ahead should I book a flight from Seattle to Melbourne Airport?

Use this chart to determine the optimal time to book a return flight from Seattle to Melbourne. Price data was last updated on 10 April 2026.

The best time to book flights from Seattle to Melbourne Airport is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Melbourne Airport?

Currently, August is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,142). Flying from Seattle to Melbourne Airport in July is currently the most expensive (average of $1,846). 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 for a return flight from Seattle to Melbourne Airport?

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated 12 April 2026.
Read through reviews of airlines operating flights from Seattle to Melbourne Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,574 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,574 reviews
United Airlines
7.4
Good
9,574 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Melbourne?

    If you book a flight to Melbourne from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Melbourne per day from 1 airline.

  • How long is the flight from Seattle to Melbourne Airport?

    Air Canada can get you from Seattle to Melbourne Airport in just under 27h 05m. Your travel time can differ by up to . There are 13164 km between Seattle and Melbourne Airport.

  • What is the cheapest airline to fly from Seattle to Melbourne Airport round-trip?

    Currently priced at $1,431, United Airlines will fly you from Seattle to Melbourne Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Seattle to Melbourne Airport for 24% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Melbourne Airport?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,142). Flying from Seattle to Melbourne Airport in July is currently the most expensive (average of $1,846). 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
Dandenong
Geelong
Apollo Bay
Ballarat
Lorne
Phillip Island
St Kilda
Tullamarine
Shepparton
Sorrento
Torquay
Daylesford
Mornington
Brighton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Melbourne flights

Top airline flying from Seattle to Melbourne

Discover the top airline that operate flights from Seattle 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 12 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,431Average$1,923FlexibilityNo 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 Seattle to Melbourne?

Deals for Seattle to Melbourne flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Melbourne for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Seattle to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle 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!

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