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Cheap flights from Seattle to Melbourne from $831

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 11/10. 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.
Qantas Airways Logo
17:01 - 09:30
SEA
-
MEL
22h 29m
1 stop
Qantas Airways Logo
23:15 - 00:04
MEL
-
SEA
19h 49m
1 stop
$1,518Qantas Airways
Fri, 30 Oct - Sun, 8 Nov
Qantas Airways Logo
19:05 - 09:30
SEA
-
MEL
20h 25m
1 stop
Qantas Airways Logo
23:15 - 00:04
MEL
-
SEA
19h 49m
1 stop
$1,519Qantas Airways
Fri, 30 Oct - Sun, 8 Nov
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
United Airlines Logo
09:30 - 21:15
MEL
-
SEA
28h 45m
2 stops
$1,533United Airlines
Sat, 1 Aug - Wed, 2 Sep
United Airlines Logo
14:34 - 09:15
SEA
-
MEL
24h 41m
2 stops
United Airlines Logo
11:30 - 21:12
MEL
-
SEA
28h 42m
2 stops
$1,535United Airlines
Tue, 20 Oct - Wed, 25 Nov
American Airlines Logo
12:57 - 06:45
SEA
-
MEL
23h 48m
1 stop
American Airlines Logo
09:45 - 16:36
MEL
-
SEA
24h 51m
1 stop
$1,536American Airlines
Sat, 10 Oct - Mon, 19 Oct
American Airlines Logo
07:00 - 06:45
SEA
-
MEL
30h 45m
1 stop
American Airlines Logo
09:45 - 17:44
MEL
-
SEA
24h 59m
2 stops
$1,542American Airlines
Mon, 27 Jul - Tue, 4 Aug
Delta Logo
19:59 - 08:50
SEA
-
MEL
42h 51m
1 stop
Delta Logo
12:00 - 00:11
MEL
-
SEA
31h 11m
2 stops
$1,546Delta
Sat, 17 Oct - Sat, 28 Nov
United Airlines Logo
17:30 - 09:00
SEA
-
MEL
21h 30m
1 stop
United Airlines Logo
13:00 - 14:18
MEL
-
SEA
20h 18m
1 stop
$1,549United Airlines
Tue, 27 Oct - Sat, 7 Nov
Multiple Airlines Logo
17:04 - 14:10
SEA
-
AVV
28h 06m
2 stops
Multiple Airlines Logo
06:00 - 12:34
AVV
-
SEA
23h 34m
2 stops
$1,580Multiple Airlines
Sun, 28 Jun - Wed, 22 Jul
Multiple Airlines Logo
19:05 - 14:05
SEA
-
AVV
24h 00m
2 stops
Multiple Airlines Logo
06:00 - 09:17
AVV
-
SEA
22h 17m
2 stops
$1,771Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov

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American Airlines flights from Seattle to Melbourne

Our best American Airlines deals on Seattle to Melbourne flight tickets
American Airlines
11 June
SEA14:40Seattle/Tacoma Intl
23h 05m
1 stop
MEL06:45Melbourne
30 June
MEL09:45Melbourne
29h 04m
1 stop
SEA21:49Seattle/Tacoma Intl
$1,533
American Airlines
27 July
SEA07:00Seattle/Tacoma Intl
30h 45m
1 stop
MEL06:45Melbourne
4 Aug
MEL09:45Melbourne
21h 03m
1 stop
SEA13:48Seattle/Tacoma Intl
$1,535
American Airlines
11 June
SEA14:40Seattle/Tacoma Intl
23h 05m
1 stop
MEL06:45Melbourne
30 June
MEL09:45Melbourne
24h 53m
2 stops
SEA17:38Seattle/Tacoma Intl
$1,539

Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets
Delta
24 July
SEA12:35Seattle/Tacoma Intl
26h 15m
1 stop
MEL07:50Melbourne
31 July
MEL10:00Melbourne
23h 40m
1 stop
SEA16:40Seattle/Tacoma Intl
$1,559
Delta
25 Sept
SEA12:36Seattle/Tacoma Intl
26h 14m
1 stop
MEL07:50Melbourne
23 Oct
MEL11:00Melbourne
29h 11m
1 stop
SEA22:11Seattle/Tacoma Intl
$1,562
Delta
27 Oct
SEA11:25Seattle/Tacoma Intl
27h 25m
2 stops
MEL08:50Melbourne
10 Nov
MEL12:00Melbourne
20h 00m
1 stop
SEA13:00Seattle/Tacoma Intl
$1,566

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 9 June 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 - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 30/10

17:01-09:30

1 stop22h 29m

Melbourne

Sun 8/11

23:15-00:04

1 stop19h 49m

$1,518
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 30/10

19:05-09:30

1 stop20h 25m

Melbourne

Sun 8/11

23:15-00:04

1 stop19h 49m

$1,519

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 1/8

19:05-08:15

1 stop20h 10m

Melbourne

Wed 2/9

09:30-21:15

2 stops28h 45m

$1,533

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 20/10

14:34-09:15

2 stops24h 41m

Melbourne

Wed 25/11

11:30-21:12

2 stops28h 42m

$1,535

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 10/10

12:57-06:45

1 stop23h 48m

Melbourne

Mon 19/10

09:45-16:36

1 stop24h 51m

$1,536

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 27/7

07:00-06:45

1 stop30h 45m

Melbourne

Tue 4/8

09:45-17:44

2 stops24h 59m

$1,542

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 17/10

19:59-08:50

1 stop42h 51m

Melbourne

Sat 28/11

12:00-00:11

2 stops31h 11m

$1,546

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 27/10

17:30-09:00

1 stop21h 30m

Melbourne

Sat 7/11

13:00-14:18

1 stop20h 18m

$1,549

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 28/6

17:04-14:10

2 stops28h 06m

Melbourne Avalon

Wed 22/7

06:00-12:34

2 stops23h 34m

$1,580

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 9/11

19:05-14:05

2 stops24h 00m

Melbourne Avalon

Mon 23/11

06:00-09:17

2 stops22h 17m

$1,770

Flights are sorted by cheapest return 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

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?

What is the cheapest month to fly to Melbourne?

In general, January 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 $138. If you aren’t able to travel to Melbourne during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $336.

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 $1,793 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 $1,326 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

19h 55m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 19h 55m
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 19h 55m.

  • 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 $1,436Free cancellationRating
7.4
9,796 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