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Cheap flights from Seattle to Melbourne from $571

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 12/25. 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

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Find the cheapest flights from Seattle to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:44 am - 5:00 am
SEA
-
MEL
28h 16m1 stop
American Airlines Logo
12:00 pm - 10:52 pm
MEL
-
SEA
28h 52m1 stop
$988American Airlines
Mon, Mar 9 - Mon, Mar 23
Fiji Airways Logo
3:50 pm - 12:05 pm
SEA
-
MEL
27h 15m2 stops
Fiji Airways Logo
1:25 pm - 6:54 pm
MEL
-
SEA
22h 29m2 stops
$994Fiji Airways
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
8:00 pm - 2:15 pm
SEA
-
MEL
24h 15m2 stops
Multiple Airlines Logo
6:50 pm - 9:31 am
MEL
-
SEA
32h 41m2 stops
$995Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
United Airlines Logo
12:25 pm - 9:30 am
SEA
-
MEL
26h 05m2 stops
United Airlines Logo
11:30 am - 9:01 pm
MEL
-
SEA
28h 31m2 stops
$1,000United Airlines
Sat, Jan 31 - Fri, Feb 13
Multiple Airlines Logo
3:40 pm - 3:35 pm
SEA
-
MEL
28h 55m2 stops
Multiple Airlines Logo
7:10 am - 9:31 am
MEL
-
SEA
21h 21m2 stops
$1,002Multiple Airlines
Sat, Jan 17 - Wed, Jan 21
Multiple Airlines Logo
4:50 pm - 12:25 pm
SEA
-
MEL
24h 35m2 stops
Multiple Airlines Logo
1:55 pm - 5:00 pm
MEL
-
SEA
22h 05m2 stops
$1,003Multiple Airlines
Sat, Feb 21 - Sat, Mar 7
American Airlines Logo
7:24 pm - 9:30 am
SEA
-
MEL
20h 06m1 stop
American Airlines Logo
4:25 pm - 10:52 pm
MEL
-
SEA
24h 27m2 stops
$1,010American Airlines
Tue, Mar 10 - Tue, Mar 24
United Airlines Logo
12:35 pm - 10:00 am
SEA
-
MEL
26h 25m1 stop
United Airlines Logo
11:30 am - 9:01 pm
MEL
-
SEA
28h 31m2 stops
$1,011United Airlines
Thu, Jan 29 - Thu, Feb 26
Air Canada Logo
7:45 pm - 11:05 am
SEA
-
MEL
22h 20m2 stops
Air Canada Logo
6:00 pm - 9:21 am
MEL
-
SEA
32h 21m2 stops
$1,013Air Canada
Sun, May 3 - Sat, May 16
American Airlines Logo
3:00 pm - 9:30 am
SEA
-
MEL
24h 30m2 stops
American Airlines Logo
4:25 pm - 10:52 pm
MEL
-
SEA
24h 27m2 stops
$1,014American Airlines
Tue, Mar 10 - Tue, Mar 24

United Airlines flights from Seattle to Melbourne Airport

Our best United Airlines deals on Seattle to Melbourne Airport flight tickets
United Airlines
Jan 31
SEA12:25 pmSeattle/Tacoma Intl
26h 05m
2 stops
MEL9:30 amMelbourne
Feb 13
MEL11:30 amMelbourne
28h 31m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,000
Find similar
United Airlines
Jan 29
SEA12:35 pmSeattle/Tacoma Intl
26h 25m
1 stop
MEL10:00 amMelbourne
Feb 26
MEL11:30 amMelbourne
28h 31m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$1,011
Find similar
United Airlines
Jan 25
SEA12:57 pmSeattle/Tacoma Intl
49h 33m
3 stops
MEL9:30 amMelbourne
Feb 27
MEL1:00 pmMelbourne
21h 41m
1 stop
SEA3:41 pmSeattle/Tacoma Intl
$1,015
Find similar

Air Canada flights from Seattle to Melbourne Airport

Our best Air Canada deals on Seattle to Melbourne Airport flight tickets
Air Canada
May 3
SEA7:45 pmSeattle/Tacoma Intl
22h 20m
2 stops
MEL11:05 amMelbourne
May 16
MEL6:00 pmMelbourne
32h 21m
2 stops
SEA9:21 amSeattle/Tacoma Intl
$1,013
Find similar
Air Canada
Jan 26
SEA8:00 pmSeattle/Tacoma Intl
23h 15m
2 stops
MEL2:15 pmMelbourne
Feb 22
MEL7:10 amMelbourne
31h 06m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$1,034
Find similar
Air Canada
Mar 9
SEA3:40 pmSeattle/Tacoma Intl
26h 55m
2 stops
MEL12:35 pmMelbourne
Mar 13
MEL7:10 amMelbourne
25h 51m
2 stops
SEA3:01 pmSeattle/Tacoma Intl
$1,037
Find similar

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 December 8, 2025.
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

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/9

6:44 am-5:00 am

1 stop28h 16m

Melbourne

Mon 3/23

12:00 pm-10:52 pm

1 stop28h 52m

$988

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 4/29

3:50 pm-12:05 pm

2 stops27h 15m

Melbourne

Wed 5/6

1:25 pm-6:54 pm

2 stops22h 29m

$994

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 3/13

8:00 pm-2:15 pm

2 stops24h 15m

Melbourne

Tue 3/17

6:50 pm-9:31 am

2 stops32h 41m

$995

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 1/31

12:25 pm-9:30 am

2 stops26h 05m

Melbourne

Fri 2/13

11:30 am-9:01 pm

2 stops28h 31m

$1,000

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 1/17

3:40 pm-3:35 pm

2 stops28h 55m

Melbourne

Wed 1/21

7:10 am-9:31 am

2 stops21h 21m

$1,002

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

4:50 pm-12:25 pm

2 stops24h 35m

Melbourne

Sat 3/7

1:55 pm-5:00 pm

2 stops22h 05m

$1,003

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 3/10

7:24 pm-9:30 am

1 stop20h 06m

Melbourne

Tue 3/24

4:25 pm-10:52 pm

2 stops24h 27m

$1,010

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 1/29

12:35 pm-10:00 am

1 stop26h 25m

Melbourne

Thu 2/26

11:30 am-9:01 pm

2 stops28h 31m

$1,011

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 5/3

7:45 pm-11:05 am

2 stops22h 20m

Melbourne

Sat 5/16

6:00 pm-9:21 am

2 stops32h 21m

$1,013

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-9:30 am

2 stops24h 30m

Melbourne

Tue 3/24

4:25 pm-10:52 pm

2 stops24h 27m

$1,014

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 cheapest month to fly to Melbourne Airport?

The month of February is, on average, the cheapest month to fly to Melbourne Airport from Seattle, with most prices found around $1,108. The month of March is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,185.

What is the cheapest day to depart on your flight to Melbourne Airport?

On average, the least expensive day to fly to Melbourne Airport from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $1,330. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Melbourne Airport for around $1,470.

What is the cheapest time of day to depart on your flight to Melbourne Airport?

According to our data, the cheapest time of day to fly to Melbourne Airport is in the evening. momondo users have found flights departing from Seattle to Melbourne Airport in the evening for as low as $1,313. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,514. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 $1,359 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 $459 on momondo.

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

You could potentially save up to 14% 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 December 2025, prices for Seattle to Melbourne Airport flights are approximately 29% 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

21h 49m

Direct flights

None
The fastest flight from Seattle to Melbourne Airport takes 21h 49m
There are no direct flights from Seattle to Melbourne Airport. There are no popular flight routes from Seattle to Melbourne Airport.
Search flight deals

  • 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 31m 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
Air CanadaPriceFrom $855Free CancellationRating
7.1
10,513 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,042Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,108Free CancellationRating
7.4
9,086 reviews
Search United Airlines flights
Air New ZealandPriceFrom $1,516Free CancellationRating
8.0
552 reviews
Search Air New Zealand flights
Alaska AirlinesPriceFrom $1,618Free CancellationRating
8.0
11,418 reviews
Search Alaska Airlines flights

Traveling to a place near Melbourne?

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

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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