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Cheap flights from Seattle to Melbourne from $790

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 8/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:00 - 20:05SEA-AVV
31h 05m2 stops
Multiple Airlines Logo
20:55 - 09:33AVV-SEA
29h 38m2 stops
$1,872Multiple Airlines
Find Deal
Mon, 13 Apr - Tue, 28 Apr
Multiple Airlines Logo
20:00 - 15:50SEA-AVV
24h 50m2 stops
Multiple Airlines Logo
06:00 - 09:31AVV-SEA
21h 31m2 stops
$1,946Multiple Airlines
Find Deal
Tue, 3 Mar - Thu, 12 Mar
Multiple Airlines Logo
20:00 - 15:50SEA-AVV
25h 50m2 stops
Multiple Airlines Logo
06:00 - 15:01AVV-SEA
27h 01m2 stops
$2,539Multiple Airlines
Find Deal
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
15:40 - 15:50SEA-AVV
29h 10m2 stops
Multiple Airlines Logo
06:00 - 09:31AVV-SEA
21h 31m2 stops
$2,810Multiple Airlines
Find Deal
Sun, 22 Feb - Sun, 15 Mar
Qantas Airways Logo
16:50 - 15:50SEA-AVV
29h 00m2 stops
Qantas Airways Logo
20:55 - 22:36AVV-SEA
43h 41m2 stops
$3,485Qantas Airways
Find Deal
Thu, 12 Mar - Sat, 28 Mar
Multiple Airlines Logo
17:40 - 14:10SEA-AVV
27h 30m2 stops
Multiple Airlines Logo
06:00 - 19:54AVV-SEA
30h 54m2 stops
$3,569Multiple Airlines
Find Deal
Mon, 20 Apr - Sun, 3 May
Multiple Airlines Logo
10:05 - 15:50SEA-AVV
34h 45m3 stops
Multiple Airlines Logo
06:00 - 22:46AVV-SEA
35h 46m2 stops
$4,069Multiple Airlines
Find Deal
Wed, 17 Dec - Mon, 29 Dec
Qantas Airways Logo
15:57 - 15:50SEA-AVV
28h 53m2 stops
Qantas Airways Logo
08:10 - 18:49AVV-SEA
29h 39m2 stops
$4,426Qantas Airways
Find Deal
Thu, 15 Jan - Wed, 28 Jan
Multiple Airlines Logo
20:00 - 23:15SEA-AVV
32h 15m2 stops
Multiple Airlines Logo
20:55 - 09:31AVV-SEA
31h 36m3 stops
$4,546Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Multiple Airlines Logo
15:48 - 09:45SEA-AVV
22h 57m2 stops
Multiple Airlines Logo
06:00 - 18:43AVV-SEA
31h 43m2 stops
$4,569Multiple Airlines
Find Deal
Tue, 16 Dec - Tue, 30 Dec

Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
12 Mar
SEA16:50Seattle/Tacoma Intl
29h 00m
2 stops
AVV15:50Melbourne Avalon
28 Mar
AVV20:55Melbourne Avalon
43h 41m
2 stops
SEA22:36Seattle/Tacoma Intl
$3,485
Find similar
Qantas Airways
15 Jan
SEA15:57Seattle/Tacoma Intl
28h 53m
2 stops
AVV15:50Melbourne Avalon
28 Jan
AVV08:10Melbourne Avalon
29h 39m
2 stops
SEA18:49Seattle/Tacoma Intl
$4,426
Find similar
Qantas Airways
14 Jan
SEA15:57Seattle/Tacoma Intl
28h 53m
2 stops
AVV15:50Melbourne Avalon
2 Mar
AVV16:25Melbourne Avalon
22h 33m
2 stops
SEA19:58Seattle/Tacoma Intl
$4,587
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 25 November 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

Mon 13/4

20:00-20:05

2 stops31h 05m

Melbourne Avalon

Tue 28/4

20:55-09:33

2 stops29h 38m

$1,872

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 3/3

20:00-15:50

2 stops24h 50m

Melbourne Avalon

Thu 12/3

06:00-09:31

2 stops21h 31m

$1,946

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 11/3

20:00-15:50

2 stops25h 50m

Melbourne Avalon

Wed 18/3

06:00-15:01

2 stops27h 01m

$2,539

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 22/2

15:40-15:50

2 stops29h 10m

Melbourne Avalon

Sun 15/3

06:00-09:31

2 stops21h 31m

$2,810

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 12/3

16:50-15:50

2 stops29h 00m

Melbourne Avalon

Sat 28/3

20:55-22:36

2 stops43h 41m

$3,485

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 20/4

17:40-14:10

2 stops27h 30m

Melbourne Avalon

Sun 3/5

06:00-19:54

2 stops30h 54m

$3,569

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 17/12

10:05-15:50

3 stops34h 45m

Melbourne Avalon

Mon 29/12

06:00-22:46

2 stops35h 46m

$4,069

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 15/1

15:57-15:50

2 stops28h 53m

Melbourne Avalon

Wed 28/1

08:10-18:49

2 stops29h 39m

$4,426

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 13/12

20:00-23:15

2 stops32h 15m

Melbourne Avalon

Sat 20/12

20:55-09:31

3 stops31h 36m

$4,546

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 16/12

15:48-09:45

2 stops22h 57m

Melbourne Avalon

Tue 30/12

06:00-18:43

2 stops31h 43m

$4,569

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Direct flights

None
There are no direct flights from Seattle to Melbourne Avalon Airport. There are no popular flight routes from Seattle to Melbourne Avalon Airport.
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  • 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 57m 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.

  • How do I get Price Alerts for flights from Seattle to Melbourne Avalon Airport?

    Confirm your travel details to search for the latest offers for flights from Seattle to Melbourne Avalon Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Melbourne Avalon Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

An easier way to manage your Melbourne Avalon Airport trip

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