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Cheap flights from Seattle to Melbourne from $584

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 7/20. 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
1 adult, Economy, 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
2:20 pm - 6:45 am
SEA
-
MEL
23h 25m
1 stop
American Airlines Logo
1:35 pm - 8:05 pm
MEL
-
SEA
23h 30m
1 stop
$1,072American Airlines
Sat, Jul 25 - Sat, Aug 1
American Airlines Logo
2:40 pm - 6:45 am
SEA
-
MEL
23h 05m
1 stop
American Airlines Logo
9:45 am - 1:48 pm
MEL
-
SEA
21h 03m
1 stop
$1,079American Airlines
Wed, Jul 1 - Thu, Jul 9
American Airlines Logo
7:00 am - 6:45 am
SEA
-
MEL
30h 45m
1 stop
American Airlines Logo
9:45 am - 1:48 pm
MEL
-
SEA
21h 03m
1 stop
$1,080American Airlines
Wed, Jul 1 - Sat, Jul 11
United Airlines Logo
5:20 pm - 8:15 am
SEA
-
MEL
21h 55m
1 stop
United Airlines Logo
10:55 am - 12:34 pm
MEL
-
SEA
18h 39m
1 stop
$1,090United Airlines
Tue, Jun 30 - Thu, Jul 30
United Airlines Logo
3:33 pm - 8:15 am
SEA
-
MEL
23h 42m
1 stop
United Airlines Logo
10:55 am - 2:30 pm
MEL
-
SEA
20h 35m
1 stop
$1,091United Airlines
Fri, Jul 3 - Tue, Aug 4
Multiple Airlines Logo
12:50 pm - 8:15 am
SEA
-
MEL
26h 25m
2 stops
Multiple Airlines Logo
10:55 am - 12:34 pm
MEL
-
SEA
18h 39m
1 stop
$1,094Multiple Airlines
Tue, Jun 30 - Thu, Jul 30
United Airlines Logo
7:05 pm - 8:15 am
SEA
-
MEL
20h 10m
1 stop
United Airlines Logo
10:55 am - 9:19 pm
MEL
-
SEA
27h 24m
2 stops
$1,095United Airlines
Wed, Jul 1 - Sat, Jul 11
Delta Logo
12:35 pm - 7:50 am
SEA
-
MEL
26h 15m
1 stop
Delta Logo
10:00 am - 4:40 pm
MEL
-
SEA
23h 40m
1 stop
$1,098Delta
Fri, Jul 24 - Fri, Jul 31
Delta Logo
7:15 am - 7:50 am
SEA
-
MEL
31h 35m
2 stops
Delta Logo
10:00 am - 12:30 pm
MEL
-
SEA
19h 30m
1 stop
$1,103Delta
Mon, Jun 29 - Sun, Aug 2
American Airlines Logo
2:20 pm - 9:30 am
SEA
-
MEL
26h 10m
2 stops
American Airlines Logo
1:35 pm - 8:05 pm
MEL
-
SEA
23h 30m
1 stop
$1,104American Airlines
Sat, Jul 25 - Sat, Aug 1

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Philippine Airlines flights from Seattle to Melbourne Airport

Our best Philippine Airlines deals on Seattle to Melbourne Airport flight tickets
Philippine Airlines
Nov 15
SEA11:55 pmSeattle/Tacoma Intl
36h 25m
1 stop
MEL7:20 amMelbourne
Nov 29
MEL9:00 amMelbourne
29h 35m
1 stop
SEA7:35 pmSeattle/Tacoma Intl
$983
Philippine Airlines
Nov 15
SEA11:55 pmSeattle/Tacoma Intl
36h 25m
1 stop
MEL7:20 amMelbourne
Nov 29
MEL9:00 amMelbourne
29h 35m
1 stop
SEA7:35 pmSeattle/Tacoma Intl
$1,213
Philippine Airlines
Jun 18
SEA11:10 pmSeattle/Tacoma Intl
38h 20m
1 stop
MEL6:30 amMelbourne
Jul 3
MEL8:00 amMelbourne
29h 05m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$6,571

United Airlines flights from Seattle to Melbourne Airport

Our best United Airlines deals on Seattle to Melbourne Airport flight tickets
United Airlines
Jun 30
SEA5:20 pmSeattle/Tacoma Intl
21h 55m
1 stop
MEL8:15 amMelbourne
Jul 30
MEL10:55 amMelbourne
18h 39m
1 stop
SEA12:34 pmSeattle/Tacoma Intl
$1,090
United Airlines
Jul 3
SEA5:20 pmSeattle/Tacoma Intl
21h 55m
1 stop
MEL8:15 amMelbourne
Aug 2
MEL9:30 amMelbourne
28h 40m
2 stops
SEA9:10 pmSeattle/Tacoma Intl
$1,091
United Airlines
Jul 1
SEA11:02 amSeattle/Tacoma Intl
28h 13m
2 stops
MEL8:15 amMelbourne
Jul 9
MEL10:55 amMelbourne
18h 39m
1 stop
SEA12:34 pmSeattle/Tacoma Intl
$1,095

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 June 14, 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

Sat 7/25

2:20 pm-6:45 am

1 stop23h 25m

Melbourne

Sat 8/1

1:35 pm-8:05 pm

1 stop23h 30m

$1,072

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 7/1

2:40 pm-6:45 am

1 stop23h 05m

Melbourne

Thu 7/9

9:45 am-1:48 pm

1 stop21h 03m

$1,079

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 7/1

7:00 am-6:45 am

1 stop30h 45m

Melbourne

Sat 7/11

9:45 am-1:48 pm

1 stop21h 03m

$1,080
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 6/30

5:20 pm-8:15 am

1 stop21h 55m

Melbourne

Thu 7/30

10:55 am-12:34 pm

1 stop18h 39m

$1,090

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 7/3

3:33 pm-8:15 am

1 stop23h 42m

Melbourne

Tue 8/4

10:55 am-2:30 pm

1 stop20h 35m

$1,091

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 6/30

12:50 pm-8:15 am

2 stops26h 25m

Melbourne

Thu 7/30

10:55 am-12:34 pm

1 stop18h 39m

$1,094

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 7/1

7:05 pm-8:15 am

1 stop20h 10m

Melbourne

Sat 7/11

10:55 am-9:19 pm

2 stops27h 24m

$1,095

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 7/24

12:35 pm-7:50 am

1 stop26h 15m

Melbourne

Fri 7/31

10:00 am-4:40 pm

1 stop23h 40m

$1,098

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 6/29

7:15 am-7:50 am

2 stops31h 35m

Melbourne

Sun 8/2

10:00 am-12:30 pm

1 stop19h 30m

$1,103

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 7/25

2:20 pm-9:30 am

2 stops26h 10m

Melbourne

Sat 8/1

1:35 pm-8:05 pm

1 stop23h 30m

$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 $1,028. The month of February is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,062.

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 $1,263 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 6% 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 June 2026, prices for Seattle to Melbourne Airport flights are approximately 68% 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
12,507 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $385Free CancellationRating
7.1
11,183 reviews
Search Air Canada flights
DeltaPriceFrom $1,003Free CancellationRating
7.9
8,403 reviews
Search Delta flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.4
9,820 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,034Free CancellationRating
7.5
1,046 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,095Free CancellationRating
8.0
645 reviews
Search Air New Zealand flights
Cathay PacificPriceFrom $1,153Free CancellationRating
7.6
1,378 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
Ballarat
Shepparton
Geelong
Dandenong
Tullamarine
Daylesford
Sorrento
Torquay
Lorne
St Kilda
Mornington
Brighton
Doncaster
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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