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Cheap flights from Seattle to Melbourne from $763

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 24/8. 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.
Multiple Airlines Logo
19:15 - 11:20
SEA
-
MEL
23h 05m
2 stops
Multiple Airlines Logo
06:00 - 10:05
MEL
-
SEA
21h 05m
2 stops
$1,408Multiple Airlines
Sun, 13 Sep - Mon, 28 Sep
Multiple Airlines Logo
11:06 - 06:45
SEA
-
MEL
25h 39m
1 stop
Multiple Airlines Logo
13:35 - 18:26
MEL
-
SEA
23h 51m
2 stops
$1,434Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
11:06 - 06:45
SEA
-
MEL
25h 39m
1 stop
Multiple Airlines Logo
13:45 - 18:26
MEL
-
SEA
22h 41m
2 stops
$1,444Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
15:20 - 06:45
SEA
-
MEL
21h 25m
1 stop
Multiple Airlines Logo
22:45 - 08:52
MEL
-
SEA
29h 07m
1 stop
$1,458Multiple Airlines
Wed, 21 Oct - Mon, 2 Nov
Multiple Airlines Logo
14:19 - 06:45
SEA
-
MEL
22h 26m
1 stop
Multiple Airlines Logo
22:45 - 08:56
MEL
-
SEA
28h 11m
1 stop
$1,458Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Multiple Airlines Logo
15:20 - 06:45
SEA
-
MEL
21h 25m
1 stop
Multiple Airlines Logo
22:45 - 08:56
MEL
-
SEA
28h 11m
1 stop
$1,471Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
American Airlines Logo
12:55 - 06:45
SEA
-
MEL
24h 50m
1 stop
American Airlines Logo
13:35 - 19:48
MEL
-
SEA
23h 13m
1 stop
$1,475American Airlines
Sun, 13 Sep - Mon, 28 Sep
American Airlines Logo
10:17 - 05:00
SEA
-
MEL
25h 43m
1 stop
American Airlines Logo
09:45 - 12:25
MEL
-
SEA
19h 40m
1 stop
$1,476American Airlines
Wed, 9 Sep - Wed, 16 Sep
United Airlines Logo
17:20 - 08:15
SEA
-
MEL
21h 55m
1 stop
United Airlines Logo
10:55 - 17:37
MEL
-
SEA
23h 42m
2 stops
$1,506United Airlines
Sun, 13 Sep - Mon, 28 Sep
United Airlines Logo
12:44 - 08:15
SEA
-
MEL
26h 31m
2 stops
United Airlines Logo
10:55 - 16:14
MEL
-
SEA
22h 19m
1 stop
$1,508United Airlines
Mon, 31 Aug - Wed, 16 Sep

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United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets
United Airlines
31 Aug
SEA12:44Seattle/Tacoma Intl
26h 31m
2 stops
MEL08:15Melbourne
16 Sept
MEL10:55Melbourne
22h 19m
1 stop
SEA16:14Seattle/Tacoma Intl
$1,508
United Airlines
9 Sept
SEA11:03Seattle/Tacoma Intl
28h 12m
2 stops
MEL08:15Melbourne
22 Sept
MEL10:55Melbourne
22h 19m
1 stop
SEA16:14Seattle/Tacoma Intl
$1,528
United Airlines
7 Oct
SEA11:05Seattle/Tacoma Intl
27h 25m
2 stops
MEL08:30Melbourne
2 Nov
MEL12:45Melbourne
20h 41m
1 stop
SEA14:26Seattle/Tacoma Intl
$1,529

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets
Air Canada
4 Oct
SEA19:20Seattle/Tacoma Intl
23h 00m
2 stops
MEL12:20Melbourne
1 Nov
MEL08:10Melbourne
25h 27m
2 stops
SEA15:37Seattle/Tacoma Intl
$1,531
Air Canada
6 Sept
SEA19:20Seattle/Tacoma Intl
24h 00m
2 stops
MEL12:20Melbourne
19 Sept
MEL18:00Melbourne
37h 22m
2 stops
SEA14:22Seattle/Tacoma Intl
$1,555

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 28 July 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
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 13/9

19:15-11:20

2 stops23h 05m

Melbourne

Mon 28/9

06:00-10:05

2 stops21h 05m

$1,408

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

11:06-06:45

1 stop25h 39m

Melbourne

Mon 2/11

13:35-18:26

2 stops23h 51m

$1,434

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

11:06-06:45

1 stop25h 39m

Melbourne

Wed 28/10

13:45-18:26

2 stops22h 41m

$1,444

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

15:20-06:45

1 stop21h 25m

Melbourne

Mon 2/11

22:45-08:52

1 stop29h 07m

$1,458

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

14:19-06:45

1 stop22h 26m

Melbourne

Wed 28/10

22:45-08:56

1 stop28h 11m

$1,458

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 21/10

15:20-06:45

1 stop21h 25m

Melbourne

Wed 28/10

22:45-08:56

1 stop28h 11m

$1,471

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 13/9

12:55-06:45

1 stop24h 50m

Melbourne

Mon 28/9

13:35-19:48

1 stop23h 13m

$1,475

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 9/9

10:17-05:00

1 stop25h 43m

Melbourne

Wed 16/9

09:45-12:25

1 stop19h 40m

$1,476

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 13/9

17:20-08:15

1 stop21h 55m

Melbourne

Mon 28/9

10:55-17:37

2 stops23h 42m

$1,506

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 31/8

12:44-08:15

2 stops26h 31m

Melbourne

Wed 16/9

10:55-16:14

1 stop22h 19m

$1,508

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 $1,468 to $1,702.
The lowest price recently found on this route was $1,408.

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 $1,478. 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 $1,518.

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 $1,797 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 $1,492 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

20h 10m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 20h 10m
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 20h 10m.

  • 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 $1,446Free cancellationRating
7.4
10,049 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.

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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