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Cheap flights from Seattle to Melbourne from $678

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:45 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 09m2 stops Nadi Los Angeles
$1,300Multiple Airlines
Sat, 7 Nov - Wed, 18 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:45 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 09m2 stops Nadi Los Angeles
$1,318Multiple Airlines
Mon, 2 Nov - Wed, 18 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:35 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 19m2 stops Nadi Los Angeles
$1,354Multiple Airlines
Sat, 7 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:45 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 09m2 stops Nadi Los Angeles
$1,355Multiple Airlines
Fri, 6 Nov - Wed, 18 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:45 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 09m2 stops Nadi Los Angeles
$1,365Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:35 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 19m2 stops Nadi Los Angeles
$1,372Multiple Airlines
Mon, 2 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:35 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 19m2 stops Nadi Los Angeles
$1,376Multiple Airlines
Sat, 7 Nov - Thu, 19 Nov
Multiple Airlines Logo
20:09 - 09:30SEA  Seattle/Tacoma Intl-MEL Melbourne
42h 21m1 stop Los Angeles
Multiple Airlines Logo
13:35 - 18:54MEL  Melbourne-SEA Seattle/Tacoma Intl
24h 19m2 stops Nadi Los Angeles
$1,394Multiple Airlines
Mon, 2 Nov - Thu, 19 Nov
United Airlines Logo
19:25 - 09:15SEA  Seattle/Tacoma Intl-MEL Melbourne
19h 50m1 stop San Francisco
United Airlines Logo
11:45 - 12:20MEL  Melbourne-SEA Seattle/Tacoma Intl
18h 35m1 stop San Francisco
$1,522United Airlines
Wed, 21 Oct - Wed, 28 Oct
United Airlines Logo
14:27 - 09:15SEA  Seattle/Tacoma Intl-MEL Melbourne
24h 48m2 stops Denver Intl San Francisco
United Airlines Logo
12:45 - 21:19MEL  Melbourne-SEA Seattle/Tacoma Intl
27h 34m2 stops San Francisco Denver Intl
$1,523United Airlines
Mon, 19 Oct - Tue, 3 Nov

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Delta flights from Seattle to Melbourne Airport

Our best Delta deals on Seattle to Melbourne Airport flight tickets
Delta
1 Nov
SEA14:30Seattle/Tacoma Intl
22h 30m
1 stop
MEL08:00Melbourne
17 Nov
MEL10:10Melbourne
28h 59m
1 stop
SEA20:09Seattle/Tacoma Intl
$1,527
Delta
12 Oct
SEA14:30Seattle/Tacoma Intl
24h 20m
1 stop
MEL08:50Melbourne
26 Oct
MEL09:10Melbourne
32h 49m
2 stops
SEA23:59Seattle/Tacoma Intl
$1,533
Delta
7 Nov
SEA21:35Seattle/Tacoma Intl
39h 25m
1 stop
MEL08:00Melbourne
16 Nov
MEL10:10Melbourne
21h 30m
1 stop
SEA12:40Seattle/Tacoma Intl
$1,537

United Airlines flights from Seattle to Melbourne Airport

Our best United Airlines deals on Seattle to Melbourne Airport flight tickets
United Airlines
21 Oct
SEA19:25Seattle/Tacoma Intl
19h 50m
1 stop
MEL09:15Melbourne
28 Oct
MEL11:45Melbourne
18h 35m
1 stop
SEA12:20Seattle/Tacoma Intl
$1,522
United Airlines
19 Oct
SEA14:27Seattle/Tacoma Intl
24h 48m
2 stops
MEL09:15Melbourne
3 Nov
MEL12:45Melbourne
27h 34m
2 stops
SEA21:19Seattle/Tacoma Intl
$1,523
United Airlines
19 Oct
SEA10:44Seattle/Tacoma Intl
28h 31m
1 stop
MEL09:15Melbourne
3 Nov
MEL12:45Melbourne
24h 12m
2 stops
SEA17:57Seattle/Tacoma Intl
$1,526

momondo Fare Finder

 
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

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 7/11

20:09-09:30

1 stop42h 21m

Melbourne

Wed 18/11

13:45-18:54

2 stops24h 09m

$1,300

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 2/11

20:09-09:30

1 stop42h 21m

Melbourne

Wed 18/11

13:45-18:54

2 stops24h 09m

$1,318

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 7/11

20:09-09:30

1 stop42h 21m

Melbourne

Mon 16/11

13:35-18:54

2 stops24h 19m

$1,354

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 6/11

20:09-09:30

1 stop42h 21m

Melbourne

Wed 18/11

13:45-18:54

2 stops24h 09m

$1,355

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 4/11

20:09-09:30

1 stop42h 21m

Melbourne

Wed 18/11

13:45-18:54

2 stops24h 09m

$1,365

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 2/11

20:09-09:30

1 stop42h 21m

Melbourne

Mon 16/11

13:35-18:54

2 stops24h 19m

$1,372

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 7/11

20:09-09:30

1 stop42h 21m

Melbourne

Thu 19/11

13:35-18:54

2 stops24h 19m

$1,376

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 2/11

20:09-09:30

1 stop42h 21m

Melbourne

Thu 19/11

13:35-18:54

2 stops24h 19m

$1,394
Fastest return journey

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

19:25-09:15

1 stop19h 50m

Melbourne

Wed 28/10

11:45-12:20

1 stop18h 35m

$1,522

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 19/10

14:27-09:15

2 stops24h 48m

Melbourne

Tue 3/11

12:45-21:19

2 stops27h 34m

$1,523

Flights are sorted by cheapest return 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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,525 to $2,467.
The lowest price recently found on this route was $1,300.

What is the cheapest month to fly to Melbourne Airport?

The month of February is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,472.

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 $1,752 when searching weeks before you fly. 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 $1,447 on momondo.

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

As of September 2026, prices for Seattle to Melbourne Airport flights are approximately 31% 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 return 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

Best price found

$678

Fastest flight time

22h 06m

Direct flights

None
The best one-way flight to Melbourne Airport from Seattle in the past 72 hours is $678. The best return flight deal from Seattle to Melbourne Airport found on momondo in the last 72 hours is $1,300.
The fastest flight from Seattle to Melbourne Airport takes 22h 06m
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?

    Melbourne is 13170.7 km away from Seattle/Tacoma Intl. Flights usually cover this in 22h 06m, depending on flying conditions and air traffic around both airports.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 necessary travel and health documents for your Melbourne Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
United AirlinesPriceFrom $1,402Free cancellationRating
7.4
10,185 reviews
Search United Airlines flights

Travelling to a place near Melbourne?

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

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?

Yes. momondo enables you to select and highlight flights to Melbourne from Seattle with this policy.

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

momondo helps you find the best flight between Seattle and Melbourne by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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