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Cheap flights from Seattle to Melbourne from $383

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 11/29. 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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Cheap round-trip flights

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Multiple Airlines Logo
8:00 pm - 2:00 pmSEA-MEL
23h 00m2 stops
Multiple Airlines Logo
6:40 am - 9:31 amMEL-SEA
20h 51m2 stops
$945Multiple Airlines
Find Deal
Thu, Feb 19 - Thu, Mar 19
Air Canada Logo
8:00 pm - 2:15 pmSEA-MEL
23h 15m2 stops
Air Canada Logo
6:00 am - 9:33 amMEL-SEA
20h 33m2 stops
$951Air Canada
Find Deal
Tue, Feb 10 - Mon, Apr 20
Air Canada Logo
8:00 pm - 1:00 pmSEA-MEL
23h 00m2 stops
Air Canada Logo
6:00 am - 9:33 amMEL-SEA
20h 33m2 stops
$952Air Canada
Find Deal
Fri, Apr 3 - Mon, Apr 13
Philippine Airlines Logo
9:30 pm - 8:35 amSEA-MEL
40h 05m1 stop
Philippine Airlines Logo
10:20 am - 6:40 pmMEL-SEA
27h 20m1 stop
$1,019Philippine Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Qantas Airways Logo
5:40 pm - 9:30 amSEA-MEL
20h 50m1 stop
Qantas Airways Logo
12:00 pm - 12:56 pmMEL-SEA
19h 56m1 stop
$1,042Qantas Airways
Find Deal
Sat, Feb 21 - Sat, Mar 7
Qantas Airways Logo
5:40 pm - 9:30 amSEA-MEL
20h 50m1 stop
Qantas Airways Logo
12:00 pm - 7:55 pmMEL-SEA
26h 55m1 stop
$1,044Qantas Airways
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Sat, Feb 21 - Sat, Mar 7
American Airlines Logo
5:43 am - 5:00 amSEA-MEL
28h 17m1 stop
American Airlines Logo
12:00 pm - 10:36 pmMEL-SEA
28h 36m1 stop
$1,070American Airlines
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Mon, Mar 2 - Thu, Mar 12
American Airlines Logo
3:21 pm - 9:30 amSEA-MEL
24h 09m2 stops
American Airlines Logo
12:00 pm - 6:49 pmMEL-SEA
24h 49m1 stop
$1,075American Airlines
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Tue, Mar 10 - Tue, Mar 24
United Airlines Logo
12:24 pm - 9:30 amSEA-MEL
26h 06m1 stop
United Airlines Logo
11:30 am - 9:01 pmMEL-SEA
28h 31m2 stops
$1,094United Airlines
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Wed, Feb 11 - Sun, Feb 22
United Airlines Logo
9:00 am - 9:30 amSEA-MEL
29h 30m2 stops
United Airlines Logo
12:00 pm - 6:09 pmMEL-SEA
24h 09m2 stops
$1,098United Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 12

Air Canada flights from Seattle to Melbourne Airport

Our best Air Canada deals on Seattle to Melbourne Airport flight tickets
Air Canada
Feb 10
SEA8:00 pmSeattle/Tacoma Intl
23h 15m
2 stops
MEL2:15 pmMelbourne
Apr 20
MEL6:00 amMelbourne
20h 33m
2 stops
SEA9:33 amSeattle/Tacoma Intl
$951
Find similar
Air Canada
Apr 3
SEA8:00 pmSeattle/Tacoma Intl
23h 00m
2 stops
MEL1:00 pmMelbourne
Apr 13
MEL6:00 amMelbourne
20h 33m
2 stops
SEA9:33 amSeattle/Tacoma Intl
$952
Find similar
Air Canada
Feb 11
SEA10:05 amSeattle/Tacoma Intl
34h 30m
2 stops
MEL3:35 pmMelbourne
Feb 22
MEL7:10 amMelbourne
21h 21m
2 stops
SEA9:31 amSeattle/Tacoma Intl
$959
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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
Mar 2
SEA5:43 amSeattle/Tacoma Intl
28h 17m
1 stop
MEL5:00 amMelbourne
Mar 12
MEL12:00 pmMelbourne
28h 36m
1 stop
SEA10:36 pmSeattle/Tacoma Intl
$1,070
Find similar
American Airlines
Mar 10
SEA3:21 pmSeattle/Tacoma Intl
24h 09m
2 stops
MEL9:30 amMelbourne
Mar 24
MEL12:00 pmMelbourne
24h 49m
1 stop
SEA6:49 pmSeattle/Tacoma Intl
$1,075
Find similar
American Airlines
Dec 9
SEA6:50 pmSeattle/Tacoma Intl
22h 50m
2 stops
MEL12:40 pmMelbourne
May 19
MEL9:45 amMelbourne
25h 53m
1 stop
SEA6:38 pmSeattle/Tacoma Intl
$1,104
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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 October 20, 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

Thu 2/19

8:00 pm-2:00 pm

2 stops23h 00m

Melbourne

Thu 3/19

6:40 am-9:31 am

2 stops20h 51m

$945

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

8:00 pm-2:15 pm

2 stops23h 15m

Melbourne

Mon 4/20

6:00 am-9:33 am

2 stops20h 33m

$951

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 4/3

8:00 pm-1:00 pm

2 stops23h 00m

Melbourne

Mon 4/13

6:00 am-9:33 am

2 stops20h 33m

$952

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 11/23

9:30 pm-8:35 am

1 stop40h 05m

Melbourne

Sun 12/7

10:20 am-6:40 pm

1 stop27h 20m

$1,019

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

5:40 pm-9:30 am

1 stop20h 50m

Melbourne

Sat 3/7

12:00 pm-12:56 pm

1 stop19h 56m

$1,042

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

5:40 pm-9:30 am

1 stop20h 50m

Melbourne

Sat 3/7

12:00 pm-7:55 pm

1 stop26h 55m

$1,044

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/2

5:43 am-5:00 am

1 stop28h 17m

Melbourne

Thu 3/12

12:00 pm-10:36 pm

1 stop28h 36m

$1,070

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 3/10

3:21 pm-9:30 am

2 stops24h 09m

Melbourne

Tue 3/24

12:00 pm-6:49 pm

1 stop24h 49m

$1,075

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 2/11

12:24 pm-9:30 am

1 stop26h 06m

Melbourne

Sun 2/22

11:30 am-9:01 pm

2 stops28h 31m

$1,094

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/2

9:00 am-9:30 am

2 stops29h 30m

Melbourne

Thu 3/12

12:00 pm-6:09 pm

2 stops24h 09m

$1,098

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 $1,189.

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 $1,391 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 $886 on momondo.

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

You could potentially save up to 28% 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 October 2025, prices for Seattle to Melbourne Airport flights are approximately 49% 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

Direct flights

None
There are no direct flights from Seattle to Melbourne Airport. There are no popular flight routes from Seattle to Melbourne Airport.
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  • 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 20h 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
10,337 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,042Free CancellationRating
7.5
922 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,072Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $1,618Free CancellationRating
8.0
11,136 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
Apollo Bay
Dandenong
Shepparton
Ballarat
Lorne
Sorrento
Mornington
Torquay
Phillip Island
Daylesford
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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