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Cheap flights from Seattle to Melbourne Airport from $771

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
22 Jun — 29 Jun1
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 23 May 2026.

Wed 12/817:10
SEA
-
MEL
1 stop20h 35m
Multiple Airlines
Sat 29/809:45
MEL
-
SEA
1 stop27h 54m
Multiple Airlines
Deal found 22/5$1,396
Wed 27/506:50
SEA
-
MEL
1 stop30h 55m
Multiple Airlines
Wed 17/609:45
MEL
-
SEA
1 stop26h 26m
Multiple Airlines
Deal found 19/5$1,413
Wed 21/1015:20
SEA
-
MEL
1 stop21h 25m
Multiple Airlines
Wed 28/1015:25
MEL
-
SEA
2 stops24h 00m
Multiple Airlines
Deal found 19/5$1,452
Sun 18/1015:20
SEA
-
MEL
1 stop21h 25m
Qantas Airways
Fri 6/1123:15
MEL
-
SEA
1 stop19h 49m
Qantas Airways
Deal found 19/5$1,482
Fri 25/915:58
SEA
-
MEL
1 stop21h 47m
Qantas Airways
Fri 23/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 22/5$1,500
Thu 28/514:40
SEA
-
MEL
1 stop23h 05m
American Airlines
Wed 10/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 21/5$1,501
Fri 2/1017:59
SEA
-
MEL
1 stop42h 46m
Qantas Airways
Fri 16/1009:45
MEL
-
SEA
1 stop20h 31m
Qantas Airways
Deal found 19/5$1,512
Wed 3/614:40
SEA
-
MEL
1 stop23h 05m
American Airlines
Wed 17/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 19/5$1,515
Thu 28/511:02
SEA
-
MEL
2 stops28h 13m
United Airlines
Wed 10/610:55
MEL
-
SEA
1 stop26h 58m
United Airlines
Deal found 21/5$1,517
Thu 28/519:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Tue 16/610:55
MEL
-
SEA
1 stop20h 35m
United Airlines
Deal found 23/5$1,518
Wed 27/511:03
SEA
-
MEL
2 stops26h 42m
American Airlines
Wed 17/609:45
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 19/5$1,522
Sat 17/1015:30
SEA
-
MEL
1 stop23h 45m
Multiple Airlines
Sat 31/1012:00
MEL
-
SEA
1 stop24h 07m
Multiple Airlines
Deal found 21/5$1,529

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 23 May 2026.

Round-trip from

$1,396

One-way from

$771

Popular in

November

Cheapest in

March

Average price

$1,542
12/8-29/8
  • 12/8-29/8
  • 2 total stops
  • 48h 29m total
  • Seattle to Melbourne
Search Deals
Qantas Airways
  • Qantas Airways
  • 27/5
  • 1 total stop
  • 21h 17m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($479 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 23 May 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

Wed 27/5

15:33-08:15

1 stop23h 42m

Melbourne

Wed 17/6

10:55-14:30

1 stop20h 35m

$1,518

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 10/6

17:20-08:15

1 stop21h 55m

Melbourne

Wed 24/6

09:30-21:10

2 stops28h 40m

$1,531

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/8

14:33-07:30

2 stops23h 57m

Melbourne

Sun 23/8

10:55-17:42

2 stops23h 47m

$1,536

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 30/7

11:02-08:15

2 stops28h 13m

Melbourne

Tue 18/8

10:55-21:31

2 stops27h 36m

$1,536

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 12/8

11:03-07:30

2 stops27h 27m

Melbourne

Sat 29/8

10:55-17:42

2 stops23h 47m

$1,538

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 28/5

12:50-08:15

2 stops26h 25m

Melbourne

Wed 10/6

06:00-14:30

2 stops25h 30m

$1,540

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 24/6

17:30-07:50

1 stop21h 20m

Melbourne

Wed 22/7

10:00-18:33

2 stops25h 33m

$1,547

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 1/6

14:36-07:30

2 stops23h 54m

Melbourne

Sun 28/6

10:55-09:22

1 stop39h 27m

$1,976

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 15/7

10:05-07:50

1 stop28h 45m

Melbourne

Wed 29/7

10:00-20:27

1 stop27h 27m

$2,317
Cheapest one-way

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 8/8

17:22-06:45

1 stop20h 23m

$820

Flights are sorted by cheapest return flights first.

Deals found on 22/5

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?

The best time to book flights from Seattle to Melbourne Airport is 72 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,449). Flying from Seattle to Melbourne Airport in November is currently the most expensive (average of $2,268). 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 23 May 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
9,751 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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?

    United Airlines can get you from Seattle to Melbourne Airport in just under 23h 42m. 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 $1,418, 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 19% 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,449). Flying from Seattle to Melbourne Airport in November is currently the most expensive (average of $2,268). 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
St Kilda
Tullamarine
Shepparton
Phillip Island
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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,418Average$1,906FlexibilityNo 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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