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Cheap flights from Seattle to Melbourne from $546

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Melbourne departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 6:45 am
SEA
-
MEL
30h 45m
1 stop
American Airlines Logo
9:45 am - 11:21 pm
MEL
-
SEA
30h 36m
1 stop
$1,074American Airlines
Thu, Jul 30 - Tue, Aug 25
American Airlines Logo
12:57 pm - 6:45 am
SEA
-
MEL
24h 48m
1 stop
American Airlines Logo
9:45 am - 12:25 pm
MEL
-
SEA
20h 40m
1 stop
$1,081American Airlines
Fri, Sep 25 - Fri, Oct 23
United Airlines Logo
10:29 am - 8:15 am
SEA
-
MEL
28h 46m
1 stop
United Airlines Logo
10:55 am - 12:23 pm
MEL
-
SEA
18h 28m
1 stop
$1,085United Airlines
Sat, Aug 1 - Mon, Aug 24
American Airlines Logo
6:50 am - 6:45 am
SEA
-
MEL
30h 55m
1 stop
American Airlines Logo
9:45 am - 5:44 pm
MEL
-
SEA
24h 59m
2 stops
$1,086American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
6:10 am - 6:45 am
SEA
-
MEL
31h 35m
1 stop
American Airlines Logo
9:45 am - 1:57 pm
MEL
-
SEA
21h 12m
1 stop
$1,089American Airlines
Thu, May 14 - Thu, May 21
United Airlines Logo
7:35 pm - 8:15 am
SEA
-
MEL
19h 40m
1 stop
United Airlines Logo
10:55 am - 12:23 pm
MEL
-
SEA
18h 28m
1 stop
$1,092United Airlines
Sat, Aug 15 - Sat, Aug 29
American Airlines Logo
6:10 am - 6:45 am
SEA
-
MEL
31h 35m
1 stop
American Airlines Logo
9:45 am - 5:44 pm
MEL
-
SEA
24h 59m
2 stops
$1,093American Airlines
Thu, May 14 - Thu, May 21
United Airlines Logo
12:50 pm - 8:15 am
SEA
-
MEL
26h 25m
2 stops
United Airlines Logo
10:55 am - 2:30 pm
MEL
-
SEA
20h 35m
1 stop
$1,097United Airlines
Tue, Jun 9 - Tue, Jun 16
Delta Logo
6:55 pm - 8:50 am
SEA
-
MEL
19h 55m
1 stop
Delta Logo
11:00 am - 2:47 pm
MEL
-
SEA
21h 47m
1 stop
$1,100Delta
Mon, Oct 5 - Tue, Oct 13
Delta Logo
7:15 am - 7:50 am
SEA
-
MEL
31h 35m
2 stops
Delta Logo
10:00 am - 11:59 pm
MEL
-
SEA
30h 59m
2 stops
$1,104Delta
Mon, Jun 1 - Sun, Jun 14

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American Airlines flights from Seattle to Melbourne Airport

Our best American Airlines deals on Seattle to Melbourne Airport flight tickets
American Airlines
Jul 30
SEA7:00 amSeattle/Tacoma Intl
30h 45m
1 stop
MEL6:45 amMelbourne
Aug 25
MEL9:45 amMelbourne
30h 36m
1 stop
SEA11:21 pmSeattle/Tacoma Intl
$1,074
American Airlines
Sep 25
SEA12:57 pmSeattle/Tacoma Intl
24h 48m
1 stop
MEL6:45 amMelbourne
Oct 23
MEL9:45 amMelbourne
20h 40m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,081
American Airlines
Aug 9
SEA5:02 pmSeattle/Tacoma Intl
20h 43m
1 stop
MEL6:45 amMelbourne
Aug 29
MEL9:45 amMelbourne
23h 47m
1 stop
SEA4:32 pmSeattle/Tacoma Intl
$1,082

United Airlines flights from Seattle to Melbourne Airport

Our best United Airlines deals on Seattle to Melbourne Airport flight tickets
United Airlines
Aug 1
SEA7:05 pmSeattle/Tacoma Intl
20h 10m
1 stop
MEL8:15 amMelbourne
Aug 28
MEL10:55 amMelbourne
18h 28m
1 stop
SEA12:23 pmSeattle/Tacoma Intl
$1,085
United Airlines
Jul 31
SEA5:04 pmSeattle/Tacoma Intl
21h 26m
1 stop
MEL7:30 amMelbourne
Aug 12
MEL9:30 amMelbourne
19h 03m
1 stop
SEA11:33 amSeattle/Tacoma Intl
$1,092
United Airlines
Jun 9
SEA12:50 pmSeattle/Tacoma Intl
26h 25m
2 stops
MEL8:15 amMelbourne
Jun 16
MEL10:55 amMelbourne
20h 35m
1 stop
SEA2:30 pmSeattle/Tacoma Intl
$1,097

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Melbourne Airport 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, momondo users made 832,500 searches. Data last updated April 29, 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 round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 7/30

7:00 am-6:45 am

1 stop30h 45m

Melbourne

Tue 8/25

9:45 am-11:21 pm

1 stop30h 36m

$1,074

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 9/25

12:57 pm-6:45 am

1 stop24h 48m

Melbourne

Fri 10/23

9:45 am-12:25 pm

1 stop20h 40m

$1,081

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 8/1

10:29 am-8:15 am

1 stop28h 46m

Melbourne

Mon 8/24

10:55 am-12:23 pm

1 stop18h 28m

$1,085

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/27

6:50 am-6:45 am

1 stop30h 55m

Melbourne

Wed 6/3

9:45 am-5:44 pm

2 stops24h 59m

$1,086

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 5/14

6:10 am-6:45 am

1 stop31h 35m

Melbourne

Thu 5/21

9:45 am-1:57 pm

1 stop21h 12m

$1,089
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 8/15

7:35 pm-8:15 am

1 stop19h 40m

Melbourne

Sat 8/29

10:55 am-12:23 pm

1 stop18h 28m

$1,092

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 5/14

6:10 am-6:45 am

1 stop31h 35m

Melbourne

Thu 5/21

9:45 am-5:44 pm

2 stops24h 59m

$1,093

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 6/9

12:50 pm-8:15 am

2 stops26h 25m

Melbourne

Tue 6/16

10:55 am-2:30 pm

1 stop20h 35m

$1,097

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 10/5

6:55 pm-8:50 am

1 stop19h 55m

Melbourne

Tue 10/13

11:00 am-2:47 pm

1 stop21h 47m

$1,100

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 6/1

7:15 am-7:50 am

2 stops31h 35m

Melbourne

Sun 6/14

10:00 am-11:59 pm

2 stops30h 59m

$1,104

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

How to get the cheapest flight ticket from Seattle to Melbourne Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Melbourne Airport?

What is the cheapest month to fly to Melbourne Airport?

The month of March is, on average, the cheapest month to fly to Melbourne Airport from Seattle, with most prices found around $1,034. The month of February is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,057.

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

You are more likely to see cheaper flights to Melbourne Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne Airport for around $1,337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne Airport from Seattle for as low as $934 on momondo.

Can stopping save me money on Seattle to Melbourne Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Melbourne Airport flight.

How have Seattle to Melbourne Airport flight prices changed over time?

As of April 2026, prices for Seattle to Melbourne Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Melbourne Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Melbourne Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Melbourne Airport (SEA to MEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Melbourne Airport

Fastest flight time

19h 55m

Direct flights

None
The fastest flight from Seattle to Melbourne Airport takes 19h 55m
There are no direct flights from Seattle to Melbourne Airport. There are no popular flight routes from Seattle to Melbourne Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Melbourne Airport

  • How far is Seattle/Tacoma Intl to Melbourne by plane?

    There are 8183.9 mi between Seattle/Tacoma Intl and Melbourne. Typically, this will take 19h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Melbourne Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Melbourne Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Melbourne Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Melbourne Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Melbourne Airport.

  • What documentation or ID do you need to fly to Melbourne Airport?

    The travel and health documents you'll need for your trip to Melbourne Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Melbourne Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Melbourne Airport?

Best airlines flying from Seattle to Melbourne Airport

Compare and see reviews for airlines that fly from Seattle to Melbourne Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $97Free CancellationRating
7.9
12,315 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $385Free CancellationRating
7.1
10,979 reviews
Search Air Canada flights
DeltaPriceFrom $1,003Free CancellationRating
7.9
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.4
9,681 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,034Free CancellationRating
7.5
1,028 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,153Free CancellationRating
7.6
1,308 reviews
Search Cathay Pacific flights

Traveling to a place near Melbourne?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Melbourne?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Melbourne for you.

Can I find flights from Seattle to Melbourne with flexible booking policies on momondo?

Flights from Seattle to Melbourne with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Melbourne?

Once you have performed a search for Seattle to Melbourne flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Melbourne right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Melbourne, momondo offers a useful price alert feature which will track prices for flights to Melbourne from Seattle and alert you when they change.

An easier way to manage your Melbourne Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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