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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 13/9. 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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Cheap return flights

Logo
17:59 - 22:50SEA-AVV
34h 51m2 stops
Logo
06:00 - 22:00AVV-SEA
35h 00m2 stops
$1,493
Find Deal
Sat, 18 Oct - Sun, 9 Nov
Logo
15:46 - 09:45SEA-AVV
23h 59m2 stops
Logo
06:00 - 13:02AVV-SEA
25h 02m2 stops
$1,508
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Logo
15:23 - 14:10SEA-AVV
29h 47m2 stops
Logo
16:40 - 23:42AVV-SEA
24h 02m2 stops
$1,577
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Logo
14:40 - 16:05SEA-AVV
31h 25m2 stops
Logo
06:00 - 21:40AVV-SEA
33h 40m2 stops
$1,586
Find Deal
Tue, 14 Oct - Mon, 27 Oct
Logo
17:30 - 14:10SEA-AVV
26h 40m2 stops
Logo
06:00 - 13:02AVV-SEA
26h 02m2 stops
$1,685
Find Deal
Sat, 1 Nov - Fri, 14 Nov
Logo
18:59 - 22:50SEA-AVV
33h 51m2 stops
Logo
15:00 - 23:06AVV-SEA
27h 06m2 stops
$1,703
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Fri, 17 Oct - Sun, 9 Nov
Logo
19:15 - 14:10SEA-AVV
25h 55m2 stops
Logo
20:55 - 09:22AVV-SEA
29h 27m2 stops
$1,806
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Thu, 11 Sep - Sat, 13 Sep
Logo
14:42 - 16:05SEA-AVV
31h 23m2 stops
Logo
16:40 - 22:15AVV-SEA
23h 35m2 stops
$2,206
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Mon, 6 Oct - Tue, 14 Oct
Qantas Airways Logo
07:40 - 21:05SEA-AVV
43h 25m2 stops
Qantas Airways Logo
20:55 - 18:37AVV-SEA
40h 42m2 stops
$4,229Qantas Airways
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Sat, 18 Oct - Sun, 9 Nov
Qantas Airways Logo
15:23 - 21:05SEA-AVV
35h 42m2 stops
Qantas Airways Logo
16:40 - 19:05AVV-SEA
20h 25m2 stops
$4,559Qantas Airways
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Sat, 4 Oct - Sat, 18 Oct

Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
18 Oct
SEA07:40Seattle/Tacoma Intl
43h 25m
2 stops
AVV21:05Melbourne Avalon
9 Nov
AVV20:55Melbourne Avalon
40h 42m
2 stops
SEA18:37Seattle/Tacoma Intl
$4,229
Find similar
Qantas Airways
4 Oct
SEA15:23Seattle/Tacoma Intl
35h 42m
2 stops
AVV21:05Melbourne Avalon
18 Oct
AVV16:40Melbourne Avalon
20h 25m
2 stops
SEA19:05Seattle/Tacoma Intl
$4,559
Find similar
Qantas Airways
1 Sept
SEA14:32Seattle/Tacoma Intl
36h 43m
2 stops
AVV20:15Melbourne Avalon
4 Sept
AVV20:40Melbourne Avalon
41h 56m
2 stops
SEA21:36Seattle/Tacoma Intl
$4,611
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Melbourne Avalon Airport 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 18 August 2025.
Use the filters below to find and compare flights from Seattle to Melbourne Avalon Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 18/10

17:59-22:50

2 stops34h 51m

Melbourne Avalon

Sun 9/11

06:00-22:00

2 stops35h 00m

$1,493

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 21/10

15:46-09:45

2 stops23h 59m

Melbourne Avalon

Tue 28/10

06:00-13:02

2 stops25h 02m

$1,508

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 14/9

15:23-14:10

2 stops29h 47m

Melbourne Avalon

Sun 21/9

16:40-23:42

2 stops24h 02m

$1,577

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 14/10

14:40-16:05

2 stops31h 25m

Melbourne Avalon

Mon 27/10

06:00-21:40

2 stops33h 40m

$1,586

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 1/11

17:30-14:10

2 stops26h 40m

Melbourne Avalon

Fri 14/11

06:00-13:02

2 stops26h 02m

$1,685

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 17/10

18:59-22:50

2 stops33h 51m

Melbourne Avalon

Sun 9/11

15:00-23:06

2 stops27h 06m

$1,703

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 11/9

19:15-14:10

2 stops25h 55m

Melbourne Avalon

Sat 13/9

20:55-09:22

2 stops29h 27m

$1,806

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 6/10

14:42-16:05

2 stops31h 23m

Melbourne Avalon

Tue 14/10

16:40-22:15

2 stops23h 35m

$2,206

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 18/10

07:40-21:05

2 stops43h 25m

Melbourne Avalon

Sun 9/11

20:55-18:37

2 stops40h 42m

$4,229

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 4/10

15:23-21:05

2 stops35h 42m

Melbourne Avalon

Sat 18/10

16:40-19:05

2 stops20h 25m

$4,559

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 Avalon Airport

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 cheapest airline that flies from Seattle/Tacoma Intl to Melbourne Avalon?

Qantas Airways is the most popular carrier operating from Seattle/Tacoma Intl to Melbourne Avalon

When to book flights from Seattle to Melbourne Avalon Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Melbourne Avalon Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Melbourne Avalon Airport (SEA to AVV) flight deals and tips

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

Best price found

$755

Fastest flight time

21h 00m

Direct flights

None
The best one-way flight to Melbourne Avalon Airport from Seattle in the past 72 hours is $755. The best return flight deal from Seattle to Melbourne Avalon Airport found on momondo in the last 72 hours is $1,493.
The fastest flight from Seattle to Melbourne Avalon Airport takes 21h 00m
There are no direct flights from Seattle to Melbourne Avalon Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Melbourne Avalon Airport.
Search flight deals

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

    A flight from Seattle/Tacoma Intl to Melbourne Avalon will travel around 13222.0 km. Typically, this will take 22h 55m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Melbourne Avalon Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Avalon Airport.

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

    The necessary travel and health documents for your Melbourne Avalon Airport 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.

Why use momondo?

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

Finding the right flight to Melbourne from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Melbourne quick and easy, saving you time and money.

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?

momondo provides multiple filters to help you find the best flight to Melbourne from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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