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Cheap flights from Seattle to Melbourne from $694

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 28/5. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
17:59 - 13:05
SEA
-
MEL
25h 06m
2 stops
Fiji Airways Logo
13:45 - 16:56
MEL
-
SEA
22h 11m
2 stops
$1,489Fiji Airways
Wed, 14 Oct - Wed, 18 Nov
American Airlines Logo
07:40 - 05:00
SEA
-
MEL
28h 20m
1 stop
American Airlines Logo
09:45 - 16:32
MEL
-
SEA
23h 47m
1 stop
$1,513American Airlines
Mon, 17 Aug - Mon, 31 Aug
Multiple Airlines Logo
17:55 - 13:00
SEA
-
MEL
25h 05m
2 stops
Multiple Airlines Logo
14:30 - 18:56
MEL
-
SEA
22h 26m
2 stops
$1,517Multiple Airlines
Thu, 15 Oct - Fri, 23 Oct
Multiple Airlines Logo
17:55 - 13:00
SEA
-
MEL
25h 05m
2 stops
Multiple Airlines Logo
14:30 - 18:56
MEL
-
SEA
22h 26m
2 stops
$1,518Multiple Airlines
Thu, 15 Oct - Fri, 23 Oct
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
United Airlines Logo
10:55 - 14:30
MEL
-
SEA
20h 35m
1 stop
$1,520United Airlines
Thu, 28 May - Sun, 14 Jun
United Airlines Logo
17:22 - 08:15
SEA
-
MEL
21h 53m
1 stop
United Airlines Logo
10:55 - 12:23
MEL
-
SEA
18h 28m
1 stop
$1,528United Airlines
Fri, 14 Aug - Wed, 2 Sep
United Airlines Logo
19:35 - 08:15
SEA
-
MEL
19h 40m
1 stop
United Airlines Logo
10:55 - 12:23
MEL
-
SEA
18h 28m
1 stop
$1,529United Airlines
Fri, 14 Aug - Sun, 30 Aug
United Airlines Logo
11:02 - 07:30
SEA
-
MEL
27h 28m
2 stops
United Airlines Logo
10:55 - 17:59
MEL
-
SEA
24h 04m
2 stops
$1,535United Airlines
Mon, 1 Jun - Mon, 8 Jun
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
United Airlines Logo
10:55 - 01:13
MEL
-
SEA
31h 18m
1 stop
$1,538United Airlines
Sat, 6 Jun - Sat, 13 Jun
Delta Logo
13:25 - 07:50
SEA
-
MEL
25h 25m
2 stops
Delta Logo
10:00 - 18:48
MEL
-
SEA
25h 48m
2 stops
$1,545Delta
Fri, 22 May - Fri, 29 May

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets
United Airlines
28 May
SEA19:05Seattle/Tacoma Intl
20h 10m
1 stop
MEL08:15Melbourne
14 June
MEL10:55Melbourne
20h 35m
1 stop
SEA14:30Seattle/Tacoma Intl
$1,520
United Airlines
14 Aug
SEA17:22Seattle/Tacoma Intl
21h 53m
1 stop
MEL08:15Melbourne
2 Sept
MEL10:55Melbourne
18h 28m
1 stop
SEA12:23Seattle/Tacoma Intl
$1,528
United Airlines
14 Aug
SEA19:35Seattle/Tacoma Intl
19h 40m
1 stop
MEL08:15Melbourne
30 Aug
MEL10:55Melbourne
18h 28m
1 stop
SEA12:23Seattle/Tacoma Intl
$1,529

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets
Air Canada
19 Oct
SEA19:20Seattle/Tacoma Intl
23h 15m
2 stops
MEL12:35Melbourne
4 Nov
MEL08:10Melbourne
20h 41m
2 stops
SEA09:51Seattle/Tacoma Intl
$1,781
Air Canada
6 May
SEA14:55Seattle/Tacoma Intl
27h 25m
2 stops
MEL11:20Melbourne
20 May
MEL06:00Melbourne
32h 08m
3 stops
SEA21:08Seattle/Tacoma Intl
$2,853

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 24 April 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

Wed 14/10

17:59-13:05

2 stops25h 06m

Melbourne

Wed 18/11

13:45-16:56

2 stops22h 11m

$1,489

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 17/8

07:40-05:00

1 stop28h 20m

Melbourne

Mon 31/8

09:45-16:32

1 stop23h 47m

$1,513

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 15/10

17:55-13:00

2 stops25h 05m

Melbourne

Fri 23/10

14:30-18:56

2 stops22h 26m

$1,517

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 15/10

17:55-13:00

2 stops25h 05m

Melbourne

Fri 23/10

14:30-18:56

2 stops22h 26m

$1,518

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 28/5

19:05-08:15

1 stop20h 10m

Melbourne

Sun 14/6

10:55-14:30

1 stop20h 35m

$1,520

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 14/8

17:22-08:15

1 stop21h 53m

Melbourne

Wed 2/9

10:55-12:23

1 stop18h 28m

$1,528
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 14/8

19:35-08:15

1 stop19h 40m

Melbourne

Sun 30/8

10:55-12:23

1 stop18h 28m

$1,529

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 1/6

11:02-07:30

2 stops27h 28m

Melbourne

Mon 8/6

10:55-17:59

2 stops24h 04m

$1,535

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 6/6

19:05-08:15

1 stop20h 10m

Melbourne

Sat 13/6

10:55-01:13

1 stop31h 18m

$1,538

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 22/5

13:25-07:50

2 stops25h 25m

Melbourne

Fri 29/5

10:00-18:48

2 stops25h 48m

$1,545

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, 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 $1,447. 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 $1,479.

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 $1,865 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 $1,307 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 50m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 21h 50m
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 50m.

  • 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 $1,415Free cancellationRating
7.4
9,643 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