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Cheap flights from Seattle to Melbourne from $632

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 22/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:00 - 18:55
SEA
-
MEL
28h 55m
2 stops
Multiple Airlines Logo
06:00 - 09:33
MEL
-
SEA
21h 33m
2 stops
$1,362Multiple Airlines
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
20:00 - 15:35
SEA
-
MEL
24h 35m
2 stops
Multiple Airlines Logo
08:10 - 09:31
MEL
-
SEA
20h 21m
2 stops
$1,387Multiple Airlines
Sat, 21 Feb - Sat, 7 Mar
Multiple Airlines Logo
20:00 - 11:05
SEA
-
MEL
22h 05m
2 stops
Multiple Airlines Logo
06:00 - 14:20
MEL
-
SEA
25h 20m
2 stops
$1,388Multiple Airlines
Fri, 24 Apr - Mon, 4 May
Multiple Airlines Logo
20:00 - 11:25
SEA
-
MEL
22h 25m
2 stops
Multiple Airlines Logo
21:40 - 14:20
MEL
-
SEA
33h 40m
2 stops
$1,393Multiple Airlines
Tue, 21 Apr - Sun, 3 May
Qantas Airways Logo
06:09 - 22:45
SEA
-
MEL
45h 36m
2 stops
Qantas Airways Logo
12:00 - 18:57
MEL
-
SEA
24h 57m
1 stop
$1,400Qantas Airways
Sat, 28 Feb - Mon, 9 Mar
Air Canada Logo
10:05 - 17:40
SEA
-
MEL
37h 35m
2 stops
Air Canada Logo
07:10 - 19:16
MEL
-
SEA
30h 06m
2 stops
$1,404Air Canada
Wed, 11 Mar - Sun, 22 Mar
Multiple Airlines Logo
10:42 - 06:45
SEA
-
MEL
27h 03m
1 stop
Multiple Airlines Logo
13:30 - 09:10
MEL
-
SEA
36h 40m
2 stops
$1,413Multiple Airlines
Wed, 29 Apr - Fri, 15 May
Multiple Airlines Logo
09:28 - 09:30
SEA
-
MEL
29h 02m
1 stop
Multiple Airlines Logo
13:55 - 08:47
MEL
-
SEA
36h 52m
2 stops
$1,416Multiple Airlines
Thu, 5 Mar - Sun, 15 Mar
Air New Zealand Logo
12:35 - 10:00
SEA
-
MEL
27h 25m
1 stop
Air New Zealand Logo
11:30 - 12:24
MEL
-
SEA
18h 54m
1 stop
$1,432Air New Zealand
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
10:42 - 06:45
SEA
-
MEL
27h 03m
1 stop
Multiple Airlines Logo
13:30 - 10:00
MEL
-
SEA
37h 30m
2 stops
$1,438Multiple Airlines
Wed, 29 Apr - Mon, 18 May

Qantas Airways flights from Seattle to Melbourne Airport

Our best Qantas Airways deals on Seattle to Melbourne Airport flight tickets
Qantas Airways
28 Feb
SEA06:09Seattle/Tacoma Intl
45h 36m
2 stops
MEL22:45Melbourne
9 Mar
MEL12:00Melbourne
24h 57m
1 stop
SEA18:57Seattle/Tacoma Intl
$1,400
Qantas Airways
7 Mar
SEA17:50Seattle/Tacoma Intl
20h 40m
1 stop
MEL09:30Melbourne
17 Mar
MEL12:00Melbourne
24h 53m
1 stop
SEA18:53Seattle/Tacoma Intl
$1,499
Qantas Airways
29 Jan
SEA17:53Seattle/Tacoma Intl
20h 37m
1 stop
MEL09:30Melbourne
11 Feb
MEL12:00Melbourne
24h 52m
1 stop
SEA17:52Seattle/Tacoma Intl
$1,503

American Airlines flights from Seattle to Melbourne Airport

Our best American Airlines deals on Seattle to Melbourne Airport flight tickets
American Airlines
21 Feb
SEA05:37Seattle/Tacoma Intl
28h 23m
1 stop
MEL05:00Melbourne
7 Mar
MEL12:00Melbourne
25h 58m
1 stop
SEA18:58Seattle/Tacoma Intl
$1,500
American Airlines
21 Feb
SEA06:44Seattle/Tacoma Intl
27h 16m
1 stop
MEL05:00Melbourne
7 Mar
MEL16:05Melbourne
22h 17m
1 stop
SEA19:22Seattle/Tacoma Intl
$1,501
American Airlines
10 Mar
SEA15:00Seattle/Tacoma Intl
24h 30m
2 stops
MEL09:30Melbourne
17 Mar
MEL12:00Melbourne
28h 42m
1 stop
SEA22:42Seattle/Tacoma Intl
$1,509

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 25 January 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

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/3

20:00-18:55

2 stops28h 55m

Melbourne

Tue 24/3

06:00-09:33

2 stops21h 33m

$1,362

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 21/2

20:00-15:35

2 stops24h 35m

Melbourne

Sat 7/3

08:10-09:31

2 stops20h 21m

$1,387

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 24/4

20:00-11:05

2 stops22h 05m

Melbourne

Mon 4/5

06:00-14:20

2 stops25h 20m

$1,388

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 21/4

20:00-11:25

2 stops22h 25m

Melbourne

Sun 3/5

21:40-14:20

2 stops33h 40m

$1,393

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 28/2

06:09-22:45

2 stops45h 36m

Melbourne

Mon 9/3

12:00-18:57

1 stop24h 57m

$1,400

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/3

10:05-17:40

2 stops37h 35m

Melbourne

Sun 22/3

07:10-19:16

2 stops30h 06m

$1,404

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 29/4

10:42-06:45

1 stop27h 03m

Melbourne

Fri 15/5

13:30-09:10

2 stops36h 40m

$1,413

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 5/3

09:28-09:30

1 stop29h 02m

Melbourne

Sun 15/3

13:55-08:47

2 stops36h 52m

$1,416

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/3

12:35-10:00

1 stop27h 25m

Melbourne

Tue 24/3

11:30-12:24

1 stop18h 54m

$1,432

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 29/4

10:42-06:45

1 stop27h 03m

Melbourne

Mon 18/5

13:30-10:00

2 stops37h 30m

$1,438

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,606.

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 $1,932 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 $1,214 on momondo.

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

You could potentially save up to 16% 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 January 2026, prices for Seattle to Melbourne Airport flights are approximately 25% 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

Fastest flight time

20h 37m

Direct flights

None
The fastest flight from Seattle to Melbourne Airport takes 20h 37m
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?

    Melbourne is 13170.7 km away from Seattle/Tacoma Intl. Flights usually cover this in 20h 37m, 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 $1,466Free cancellationRating
7.4
9,198 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
Apollo Bay
Torquay
Dandenong
Phillip Island
Sorrento
Tullamarine
Daylesford
St Kilda
Shepparton
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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