Cheap flights from Seattle to Melbourne from $815

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 29/1. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seattle to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:00 - 20:05
SEA
-
AVV
31h 05m2 stops
Multiple Airlines Logo
20:40 - 09:33
AVV
-
SEA
29h 53m2 stops
$1,543Multiple Airlines
Sat, 11 Apr - Sun, 19 Apr
Multiple Airlines Logo
20:00 - 14:10
SEA
-
AVV
24h 10m2 stops
Multiple Airlines Logo
06:00 - 09:31
AVV
-
SEA
21h 31m2 stops
$1,676Multiple Airlines
Sun, 8 Mar - Wed, 18 Mar
Multiple Airlines Logo
20:00 - 14:10
SEA
-
AVV
24h 10m2 stops
Multiple Airlines Logo
20:55 - 15:01
AVV
-
SEA
36h 06m2 stops
$1,872Multiple Airlines
Sun, 15 Mar - Tue, 24 Mar
Qantas Airways Logo
15:57 - 15:50
SEA
-
AVV
28h 53m2 stops
Qantas Airways Logo
16:25 - 18:58
AVV
-
SEA
45h 33m2 stops
$4,308Qantas Airways
Fri, 6 Feb - Sat, 28 Feb
Qantas Airways Logo
18:40 - 14:10
SEA
-
AVV
26h 30m2 stops
Qantas Airways Logo
08:50 - 22:49
AVV
-
SEA
30h 59m2 stops
$4,460Qantas Airways
Sat, 11 Apr - Sat, 18 Apr
Qantas Airways Logo
15:57 - 15:50
SEA
-
AVV
28h 53m2 stops
Qantas Airways Logo
06:00 - 18:57
AVV
-
SEA
31h 57m2 stops
$4,526Qantas Airways
Wed, 11 Feb - Sun, 22 Feb
Qantas Airways Logo
16:50 - 07:35
SEA
-
AVV
43h 45m2 stops
Qantas Airways Logo
16:25 - 20:58
AVV
-
SEA
22h 33m2 stops
$4,541Qantas Airways
Sat, 7 Mar - Wed, 11 Mar
Qantas Airways Logo
16:50 - 07:35
SEA
-
AVV
43h 45m2 stops
Qantas Airways Logo
16:25 - 20:58
AVV
-
SEA
22h 33m2 stops
$4,543Qantas Airways
Sat, 7 Mar - Wed, 11 Mar
Qantas Airways Logo
15:57 - 15:50
SEA
-
AVV
28h 53m2 stops
Qantas Airways Logo
06:00 - 18:57
AVV
-
SEA
31h 57m2 stops
$4,825Qantas Airways
Wed, 11 Feb - Sun, 22 Feb
Qantas Airways Logo
16:50 - 14:10
SEA
-
AVV
26h 20m2 stops
Qantas Airways Logo
06:00 - 18:57
AVV
-
SEA
31h 57m2 stops
$4,901Qantas Airways
Sat, 14 Feb - Sun, 22 Feb

Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
6 Feb
SEA15:57Seattle/Tacoma Intl
28h 53m
2 stops
AVV15:50Melbourne Avalon
28 Feb
AVV16:25Melbourne Avalon
45h 33m
2 stops
SEA18:58Seattle/Tacoma Intl
$4,308
Qantas Airways
11 Apr
SEA18:40Seattle/Tacoma Intl
26h 30m
2 stops
AVV14:10Melbourne Avalon
18 Apr
AVV08:50Melbourne Avalon
30h 59m
2 stops
SEA22:49Seattle/Tacoma Intl
$4,460
Qantas Airways
11 Feb
SEA15:57Seattle/Tacoma Intl
28h 53m
2 stops
AVV15:50Melbourne Avalon
22 Feb
AVV06:00Melbourne Avalon
31h 57m
2 stops
SEA18:57Seattle/Tacoma Intl
$4,526

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 10 January 2026.
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 11/4

20:00-20:05

2 stops31h 05m

Melbourne Avalon

Sun 19/4

20:40-09:33

2 stops29h 53m

$1,543

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 8/3

20:00-14:10

2 stops24h 10m

Melbourne Avalon

Wed 18/3

06:00-09:31

2 stops21h 31m

$1,676

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 15/3

20:00-14:10

2 stops24h 10m

Melbourne Avalon

Tue 24/3

20:55-15:01

2 stops36h 06m

$1,872

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 6/2

15:57-15:50

2 stops28h 53m

Melbourne Avalon

Sat 28/2

16:25-18:58

2 stops45h 33m

$4,308

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 11/4

18:40-14:10

2 stops26h 30m

Melbourne Avalon

Sat 18/4

08:50-22:49

2 stops30h 59m

$4,460

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 11/2

15:57-15:50

2 stops28h 53m

Melbourne Avalon

Sun 22/2

06:00-18:57

2 stops31h 57m

$4,526

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 7/3

16:50-07:35

2 stops43h 45m

Melbourne Avalon

Wed 11/3

16:25-20:58

2 stops22h 33m

$4,541

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 7/3

16:50-07:35

2 stops43h 45m

Melbourne Avalon

Wed 11/3

16:25-20:58

2 stops22h 33m

$4,543

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 11/2

15:57-15:50

2 stops28h 53m

Melbourne Avalon

Sun 22/2

06:00-18:57

2 stops31h 57m

$4,825

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 14/2

16:50-14:10

2 stops26h 20m

Melbourne Avalon

Sun 22/2

06:00-18:57

2 stops31h 57m

$4,901

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Fastest flight time

24h 10m

Direct flights

None
The fastest flight from Seattle to Melbourne Avalon Airport takes 24h 10m
There are no direct flights from Seattle to Melbourne Avalon Airport. There are no popular flight routes from Seattle to Melbourne Avalon Airport.
  • 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 24h 10m 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/2
Mon 16/2