Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Melbourne from $755

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 25/8. 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 return flights

Enter your travel dates to find the best prices.
United Airlines Logo
18:52 - 07:30SEA  Seattle/Tacoma Intl-MEL Melbourne
19h 38m1 stop Los Angeles Los Angeles
United Airlines Logo
10:55 - 20:43MEL  Melbourne-SEA Seattle/Tacoma Intl
26h 48m1 stop San Francisco
$1,480United Airlines
Wed, 26 Aug - Fri, 11 Sep
United Airlines Logo
12:44 - 07:30SEA  Seattle/Tacoma Intl-MEL Melbourne
25h 46m2 stops Denver Intl Los Angeles Los Angeles
United Airlines Logo
09:30 - 15:52MEL  Melbourne-SEA Seattle/Tacoma Intl
23h 22m2 stops Los Angeles Los Angeles Denver Intl
$1,486United Airlines
Wed, 26 Aug - Fri, 11 Sep
United Airlines Logo
14:34 - 08:15SEA  Seattle/Tacoma Intl-MEL Melbourne
24h 41m2 stops Denver Intl San Francisco
United Airlines Logo
09:30 - 11:24MEL  Melbourne-SEA Seattle/Tacoma Intl
18h 54m1 stop Los Angeles Los Angeles
$1,486United Airlines
Wed, 26 Aug - Fri, 11 Sep
United Airlines Logo
18:30 - 07:30SEA  Seattle/Tacoma Intl-MEL Melbourne
20h 00m1 stop Los Angeles Los Angeles
United Airlines Logo
09:00 - 12:20MEL  Melbourne-SEA Seattle/Tacoma Intl
44h 20m2 stops Sydney Kingsford Smith San Francisco
$1,500United Airlines
Mon, 31 Aug - Sun, 6 Sep
Delta Logo
14:30 - 08:00SEA  Seattle/Tacoma Intl-MEL Melbourne
22h 30m1 stop Los Angeles Los Angeles
Delta Logo
10:10 - 10:35MEL  Melbourne-SEA Seattle/Tacoma Intl
19h 25m1 stop Los Angeles Los Angeles
$1,558Delta
Wed, 3 Feb - Sun, 14 Feb
Delta Logo
12:30 - 07:00SEA  Seattle/Tacoma Intl-MEL Melbourne
24h 30m1 stop Los Angeles Los Angeles
Delta Logo
10:10 - 12:40MEL  Melbourne-SEA Seattle/Tacoma Intl
21h 30m1 stop Los Angeles Los Angeles
$1,558Delta
Tue, 27 Oct - Wed, 25 Nov
Delta Logo
09:45 - 08:50SEA  Seattle/Tacoma Intl-MEL Melbourne
29h 05m1 stop Los Angeles Los Angeles
Delta Logo
10:10 - 12:40MEL  Melbourne-SEA Seattle/Tacoma Intl
21h 30m1 stop Los Angeles Los Angeles
$1,558Delta
Wed, 21 Oct - Tue, 24 Nov
Delta Logo
12:35 - 08:50SEA  Seattle/Tacoma Intl-MEL Melbourne
26h 15m1 stop Los Angeles Los Angeles
Delta Logo
11:00 - 12:27MEL  Melbourne-SEA Seattle/Tacoma Intl
19h 27m1 stop Los Angeles Los Angeles
$1,558Delta
Mon, 5 Oct - Tue, 13 Oct
Delta Logo
07:20 - 08:00SEA  Seattle/Tacoma Intl-MEL Melbourne
29h 40m1 stop Los Angeles Los Angeles
Delta Logo
10:10 - 13:00MEL  Melbourne-SEA Seattle/Tacoma Intl
21h 50m1 stop Los Angeles Los Angeles
$1,558Delta
Sun, 7 Feb - Sun, 14 Feb
Delta Logo
14:30 - 09:50SEA  Seattle/Tacoma Intl-MEL Melbourne
24h 20m1 stop Los Angeles Los Angeles
Delta Logo
12:00 - 16:59MEL  Melbourne-SEA Seattle/Tacoma Intl
23h 59m1 stop Los Angeles Los Angeles
$1,558Delta
Wed, 27 Jan - Wed, 10 Feb

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets
Delta
21 Oct
SEA14:30Seattle/Tacoma Intl
24h 20m
1 stop
MEL08:50Melbourne
23 Nov
MEL10:10Melbourne
21h 30m
1 stop
SEA12:40Seattle/Tacoma Intl
$1,558
Delta
24 Oct
SEA21:35Seattle/Tacoma Intl
39h 25m
1 stop
MEL07:00Melbourne
23 Nov
MEL10:10Melbourne
21h 30m
1 stop
SEA12:40Seattle/Tacoma Intl
$1,570
Delta
6 Oct
SEA21:35Seattle/Tacoma Intl
41h 15m
1 stop
MEL08:50Melbourne
14 Oct
MEL11:00Melbourne
40h 10m
2 stops
SEA09:10Seattle/Tacoma Intl
$1,577

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets
United Airlines
13 Aug
SEA10:55Seattle/Tacoma Intl
28h 20m
1 stop
MEL08:15Melbourne
26 Aug
MEL09:30Melbourne
19h 04m
1 stop
SEA11:34Seattle/Tacoma Intl
$1,468
United Airlines
13 Aug
SEA10:55Seattle/Tacoma Intl
28h 20m
1 stop
MEL08:15Melbourne
26 Aug
MEL09:30Melbourne
19h 04m
1 stop
SEA11:34Seattle/Tacoma Intl
$1,470
United Airlines
17 Aug
SEA10:55Seattle/Tacoma Intl
28h 20m
1 stop
MEL08:15Melbourne
1 Sept
MEL10:55Melbourne
20h 29m
1 stop
SEA14:24Seattle/Tacoma Intl
$1,480

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Melbourne 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 11 August 2026.
Use the filters below to find and compare flights from Seattle to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 26/8

18:52-07:30

1 stop19h 38m

Melbourne

Fri 11/9

10:55-20:43

1 stop26h 48m

$1,480

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 26/8

12:44-07:30

2 stops25h 46m

Melbourne

Fri 11/9

09:30-15:52

2 stops23h 22m

$1,486

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 26/8

14:34-08:15

2 stops24h 41m

Melbourne

Fri 11/9

09:30-11:24

1 stop18h 54m

$1,486

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 31/8

18:30-07:30

1 stop20h 00m

Melbourne

Sun 6/9

09:00-12:20

2 stops44h 20m

$1,500
Fastest return journey

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 3/2

14:30-08:00

1 stop22h 30m

Melbourne

Sun 14/2

10:10-10:35

1 stop19h 25m

$1,558

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 27/10

12:30-07:00

1 stop24h 30m

Melbourne

Wed 25/11

10:10-12:40

1 stop21h 30m

$1,558

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

09:45-08:50

1 stop29h 05m

Melbourne

Tue 24/11

10:10-12:40

1 stop21h 30m

$1,558

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 5/10

12:35-08:50

1 stop26h 15m

Melbourne

Tue 13/10

11:00-12:27

1 stop19h 27m

$1,558

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 7/2

07:20-08:00

1 stop29h 40m

Melbourne

Sun 14/2

10:10-13:00

1 stop21h 50m

$1,558

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 27/1

14:30-09:50

1 stop24h 20m

Melbourne

Wed 10/2

12:00-16:59

1 stop23h 59m

$1,558

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

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,545 to $1,734.
The lowest price recently found on this route was $1,480.

What is the cheapest month to fly to Melbourne?

In general, March is the cheapest month to fly from Seattle to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,465. If you aren’t able to travel to Melbourne during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,504.

How far in advance should I book a flight from Seattle to Melbourne?

You are more likely to see cheaper flights to Melbourne from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $1,773 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Seattle for as low as $1,479 on momondo.

Cheap Seattle to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Melbourne

Fastest flight time

21h 15m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 21h 15m
There are no direct flights from Seattle to Melbourne. There are no popular flight routes from Seattle to Melbourne.
Search flight deals

Frequently asked questions about flying from Seattle to Melbourne

  • How far is Seattle/Tacoma Intl to Melbourne by plane?

    Melbourne is 13172.3 km away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 21h 15m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Melbourne?

    Prices for flights from Seattle/Tacoma Intl Airport to Melbourne refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Melbourne?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Melbourne?

    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.

  • What documentation or ID do you need to fly to Melbourne?

    The necessary travel and health documents for your Melbourne 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.

Best airlines flying from Seattle to Melbourne

Compare and see reviews for airlines that fly from Seattle to Melbourne with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,433Free cancellationRating
7.4
10,104 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Melbourne?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Melbourne from Seattle.

Can I find flights from Seattle to Melbourne with flexible booking policies on momondo?

Yes. All flights to Melbourne from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Melbourne?

Once all potential Seattle to Melbourne flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Melbourne right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Melbourne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Melbourne 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/9
Thu 17/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 50.4 km from Melbourne
Melbourne Avalon Airport