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Cheap flights from Seattle to Melbourne from $692

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 16/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
19:20 - 11:20
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
06:00 - 14:23
MEL
-
SEA
25h 23m
2 stops
$1,444Multiple Airlines
Wed, 3 Jun - Wed, 17 Jun
Multiple Airlines Logo
15:00 - 14:10
SEA
-
AVV
30h 10m
2 stops
Multiple Airlines Logo
20:40 - 10:07
AVV
-
SEA
30h 27m
2 stops
$1,468Multiple Airlines
Thu, 11 Jun - Tue, 7 Jul
Multiple Airlines Logo
19:20 - 11:20
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
21:05 - 14:20
MEL
-
SEA
34h 15m
2 stops
$1,485Multiple Airlines
Tue, 12 May - Sat, 23 May
Multiple Airlines Logo
19:20 - 14:15
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
06:00 - 14:20
MEL
-
SEA
25h 20m
2 stops
$1,488Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
19:20 - 11:20
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
06:00 - 10:05
MEL
-
SEA
21h 05m
2 stops
$1,489Multiple Airlines
Tue, 12 May - Tue, 26 May
Multiple Airlines Logo
19:20 - 14:15
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
20:45 - 10:05
MEL
-
SEA
30h 20m
2 stops
$1,491Multiple Airlines
Wed, 6 May - Sun, 17 May
Multiple Airlines Logo
19:20 - 11:20
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
06:00 - 18:30
MEL
-
SEA
29h 30m
2 stops
$1,492Multiple Airlines
Sat, 2 May - Tue, 19 May
Multiple Airlines Logo
19:20 - 14:15
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
20:45 - 10:05
MEL
-
SEA
30h 20m
2 stops
$1,495Multiple Airlines
Wed, 6 May - Sun, 17 May
Fiji Airways Logo
19:09 - 12:00
SEA
-
MEL
23h 51m
2 stops
Fiji Airways Logo
13:30 - 17:59
MEL
-
SEA
21h 29m
2 stops
$1,502Fiji Airways
Wed, 26 Aug - Sun, 6 Sep
Multiple Airlines Logo
19:20 - 11:20
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
06:00 - 10:05
MEL
-
SEA
21h 05m
2 stops
$1,506Multiple Airlines
Tue, 19 May - Sun, 24 May

Qantas Airways flights from Seattle to Melbourne

Our best Qantas Airways deals on Seattle to Melbourne flight tickets
Qantas Airways
24 Apr
SEA19:06Seattle/Tacoma Intl
42h 39m
1 stop
MEL06:45Melbourne
4 May
MEL14:30Melbourne
25h 22m
2 stops
SEA22:52Seattle/Tacoma Intl
$1,972
Qantas Airways
24 Apr
SEA18:40Seattle/Tacoma Intl
22h 55m
2 stops
MEL10:35Melbourne
4 May
MEL09:45Melbourne
30h 07m
1 stop
SEA22:52Seattle/Tacoma Intl
$2,026
Qantas Airways
25 Apr
SEA17:06Seattle/Tacoma Intl
20h 39m
1 stop
MEL06:45Melbourne
27 Apr
MEL09:45Melbourne
30h 13m
1 stop
SEA22:58Seattle/Tacoma Intl
$2,887

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets
Air Canada
1 Sept
SEA15:00Seattle/Tacoma Intl
28h 20m
2 stops
MEL12:20Melbourne
15 Sept
MEL06:00Melbourne
25h 22m
2 stops
SEA14:22Seattle/Tacoma Intl
$1,574
Air Canada
9 Aug
SEA15:00Seattle/Tacoma Intl
27h 05m
2 stops
MEL11:05Melbourne
16 Aug
MEL20:45Melbourne
38h 47m
2 stops
SEA18:32Seattle/Tacoma Intl
$1,696
Air Canada
4 July
SEA19:20Seattle/Tacoma Intl
22h 45m
2 stops
MEL11:05Melbourne
6 Aug
MEL06:00Melbourne
21h 07m
2 stops
SEA10:07Seattle/Tacoma Intl
$1,739

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 13 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 3/6

19:20-11:20

2 stops23h 00m

Melbourne

Wed 17/6

06:00-14:23

2 stops25h 23m

$1,444

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 11/6

15:00-14:10

2 stops30h 10m

Melbourne Avalon

Tue 7/7

20:40-10:07

2 stops30h 27m

$1,468

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 12/5

19:20-11:20

2 stops23h 00m

Melbourne

Sat 23/5

21:05-14:20

2 stops34h 15m

$1,485

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 12/5

19:20-14:15

2 stops25h 55m

Melbourne

Tue 19/5

06:00-14:20

2 stops25h 20m

$1,488
Fastest return journey

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 12/5

19:20-11:20

2 stops23h 00m

Melbourne

Tue 26/5

06:00-10:05

2 stops21h 05m

$1,489

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 6/5

19:20-14:15

2 stops25h 55m

Melbourne

Sun 17/5

20:45-10:05

2 stops30h 20m

$1,491

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/5

19:20-11:20

2 stops23h 00m

Melbourne

Tue 19/5

06:00-18:30

2 stops29h 30m

$1,492

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 6/5

19:20-14:15

2 stops25h 55m

Melbourne

Sun 17/5

20:45-10:05

2 stops30h 20m

$1,495

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 26/8

19:09-12:00

2 stops23h 51m

Melbourne

Sun 6/9

13:30-17:59

2 stops21h 29m

$1,502

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 19/5

19:20-11:20

2 stops23h 00m

Melbourne

Sun 24/5

06:00-10:05

2 stops21h 05m

$1,506

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $1,464. 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 $1,497.

How far in advance should I book a flight 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 $1,885 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 $1,322 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

22h 30m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 22h 30m
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 22h 30m.

  • 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 $1,432Free cancellationRating
7.4
9,579 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