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Cheap flights from Seattle to Melbourne from $419

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 4/23. 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

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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.
Multiple Airlines Logo
5:06 pm - 12:25 pm
SEA
-
MEL
26h 19m
2 stops
Multiple Airlines Logo
1:30 pm - 7:53 pm
MEL
-
SEA
23h 23m
2 stops
$874Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
5:59 pm - 12:00 pm
SEA
-
MEL
25h 01m
2 stops
Multiple Airlines Logo
1:25 pm - 6:40 pm
MEL
-
SEA
22h 15m
2 stops
$891Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Philippine Airlines Logo
11:10 pm - 6:30 am
SEA
-
MEL
38h 20m
1 stop
Philippine Airlines Logo
8:00 am - 8:05 pm
MEL
-
SEA
29h 05m
1 stop
$894Philippine Airlines
Thu, Aug 20 - Wed, Sep 2
Multiple Airlines Logo
8:00 pm - 11:20 am
SEA
-
MEL
22h 20m
2 stops
Multiple Airlines Logo
6:00 am - 2:20 pm
MEL
-
SEA
25h 20m
2 stops
$902Multiple Airlines
Fri, Apr 24 - Mon, May 4
Multiple Airlines Logo
8:00 pm - 12:20 am
SEA
-
MEL
34h 20m
2 stops
Multiple Airlines Logo
6:00 am - 7:20 pm
MEL
-
SEA
30h 20m
2 stops
$904Multiple Airlines
Wed, Mar 25 - Fri, Apr 24
Multiple Airlines Logo
8:00 pm - 11:20 am
SEA
-
MEL
22h 20m
2 stops
Multiple Airlines Logo
6:00 am - 9:50 am
MEL
-
SEA
20h 50m
2 stops
$907Multiple Airlines
Fri, Apr 24 - Mon, May 4
Multiple Airlines Logo
7:40 am - 12:00 pm
SEA
-
MEL
35h 20m
2 stops
Multiple Airlines Logo
1:30 pm - 7:53 pm
MEL
-
SEA
23h 23m
2 stops
$930Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Philippine Airlines Logo
11:10 pm - 6:30 am
SEA
-
MEL
38h 20m
1 stop
Philippine Airlines Logo
8:00 am - 8:05 pm
MEL
-
SEA
29h 05m
1 stop
$941Philippine Airlines
Tue, Aug 18 - Wed, Sep 2
Multiple Airlines Logo
8:00 pm - 11:20 am
SEA
-
MEL
22h 20m
2 stops
Multiple Airlines Logo
9:05 pm - 9:38 am
MEL
-
SEA
29h 33m
2 stops
$968Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
8:00 pm - 11:05 am
SEA
-
MEL
22h 05m
2 stops
Multiple Airlines Logo
6:00 am - 7:20 pm
MEL
-
SEA
30h 20m
2 stops
$977Multiple Airlines
Mon, Apr 13 - Fri, Apr 17

Philippine Airlines flights from Seattle to Melbourne Airport

Our best Philippine Airlines deals on Seattle to Melbourne Airport flight tickets
Philippine Airlines
Aug 20
SEA11:10 pmSeattle/Tacoma Intl
38h 20m
1 stop
MEL6:30 amMelbourne
Sep 2
MEL8:00 amMelbourne
29h 05m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$894
Philippine Airlines
Aug 18
SEA11:10 pmSeattle/Tacoma Intl
38h 20m
1 stop
MEL6:30 amMelbourne
Sep 2
MEL8:00 amMelbourne
29h 05m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$941
Philippine Airlines
Aug 18
SEA11:10 pmSeattle/Tacoma Intl
38h 20m
1 stop
MEL6:30 amMelbourne
Sep 2
MEL8:00 amMelbourne
29h 05m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
$942

Cathay Pacific flights from Seattle to Melbourne Airport

Our best Cathay Pacific deals on Seattle to Melbourne Airport flight tickets
Cathay Pacific
Apr 30
SEA11:45 amSeattle/Tacoma Intl
41h 30m
1 stop
MEL10:15 pmMelbourne
May 17
MEL11:45 pmMelbourne
27h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,000
Cathay Pacific
Apr 20
SEA11:45 amSeattle/Tacoma Intl
41h 30m
1 stop
MEL10:15 pmMelbourne
Apr 27
MEL11:45 pmMelbourne
27h 20m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,004
Cathay Pacific
May 6
SEA11:45 amSeattle/Tacoma Intl
25h 10m
1 stop
MEL5:55 amMelbourne
May 13
MEL7:25 amMelbourne
43h 40m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,019

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 March 11, 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

Mon 5/4

5:06 pm-12:25 pm

2 stops26h 19m

Melbourne

Mon 5/11

1:30 pm-7:53 pm

2 stops23h 23m

$874

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 4/21

5:59 pm-12:00 pm

2 stops25h 01m

Melbourne

Tue 4/28

1:25 pm-6:40 pm

2 stops22h 15m

$891

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 8/20

11:10 pm-6:30 am

1 stop38h 20m

Melbourne

Wed 9/2

8:00 am-8:05 pm

1 stop29h 05m

$894

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 4/24

8:00 pm-11:20 am

2 stops22h 20m

Melbourne

Mon 5/4

6:00 am-2:20 pm

2 stops25h 20m

$902

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/25

8:00 pm-12:20 am

2 stops34h 20m

Melbourne

Fri 4/24

6:00 am-7:20 pm

2 stops30h 20m

$904
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 4/24

8:00 pm-11:20 am

2 stops22h 20m

Melbourne

Mon 5/4

6:00 am-9:50 am

2 stops20h 50m

$907

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 4/23

7:40 am-12:00 pm

2 stops35h 20m

Melbourne

Thu 4/30

1:30 pm-7:53 pm

2 stops23h 23m

$930

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 8/18

11:10 pm-6:30 am

1 stop38h 20m

Melbourne

Wed 9/2

8:00 am-8:05 pm

1 stop29h 05m

$941

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 4/20

8:00 pm-11:20 am

2 stops22h 20m

Melbourne

Mon 4/27

9:05 pm-9:38 am

2 stops29h 33m

$968

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 4/13

8:00 pm-11:05 am

2 stops22h 05m

Melbourne

Fri 4/17

6:00 am-7:20 pm

2 stops30h 20m

$977

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 $1,057. The month of April is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,071.

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 $1,296 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 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 March 2026, prices for Seattle to Melbourne Airport flights are approximately 5% 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

22h 15m

Direct flights

None
The fastest flight from Seattle to Melbourne Airport takes 22h 15m
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 22h 15m 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
8.0
12,024 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,277 reviews
Search Delta flights
Air CanadaPriceFrom $828Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.4
9,412 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,034Free CancellationRating
7.5
1,003 reviews
Search Qantas Airways flights

Traveling to a place near Melbourne?

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