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Cheap flights from Seattle to Melbourne from $706

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 7/28. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:42 pm - 10:50 pm
SEA
-
AVV
32h 08m
2 stops
Multiple Airlines Logo
4:40 pm - 9:34 pm
AVV
-
SEA
22h 54m
2 stops
$1,111Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
5:55 pm - 11:15 pm
SEA
-
AVV
34h 20m
2 stops
Multiple Airlines Logo
6:00 am - 10:52 am
AVV
-
SEA
23h 52m
2 stops
$1,259Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
7:20 pm - 2:10 pm
SEA
-
AVV
24h 50m
2 stops
Multiple Airlines Logo
6:00 am - 2:22 pm
AVV
-
SEA
26h 22m
2 stops
$1,269Multiple Airlines
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
7:20 pm - 3:20 pm
SEA
-
AVV
26h 00m
2 stops
Multiple Airlines Logo
6:00 am - 9:27 am
AVV
-
SEA
22h 27m
2 stops
$1,338Multiple Airlines
Wed, Oct 21 - Tue, Nov 3
Multiple Airlines Logo
7:05 pm - 2:05 pm
SEA
-
AVV
24h 00m
2 stops
Multiple Airlines Logo
6:00 am - 9:27 am
AVV
-
SEA
22h 27m
2 stops
$1,349Multiple Airlines
Wed, Nov 11 - Sat, Nov 14
Multiple Airlines Logo
7:00 am - 9:45 am
SEA
-
AVV
31h 45m
2 stops
Multiple Airlines Logo
2:50 pm - 8:00 pm
AVV
-
SEA
24h 10m
2 stops
$1,358Multiple Airlines
Fri, Nov 27 - Sun, Dec 13
Multiple Airlines Logo
6:10 pm - 2:10 pm
SEA
-
AVV
27h 00m
2 stops
Multiple Airlines Logo
10:30 am - 7:39 pm
AVV
-
SEA
26h 09m
2 stops
$1,362Multiple Airlines
Fri, Aug 7 - Sat, Aug 22
Multiple Airlines Logo
2:10 pm - 2:05 pm
SEA
-
AVV
28h 55m
2 stops
Multiple Airlines Logo
6:00 am - 9:27 am
AVV
-
SEA
22h 27m
2 stops
$1,647Multiple Airlines
Fri, Nov 20 - Sun, Nov 29
Multiple Airlines Logo
4:45 pm - 2:05 pm
SEA
-
AVV
26h 20m
2 stops
Multiple Airlines Logo
6:00 am - 12:25 pm
AVV
-
SEA
25h 25m
2 stops
$1,690Multiple Airlines
Sun, Nov 22 - Thu, Dec 3
Multiple Airlines Logo
3:15 pm - 2:05 pm
SEA
-
AVV
27h 50m
2 stops
Multiple Airlines Logo
10:20 am - 2:37 pm
AVV
-
SEA
23h 17m
2 stops
$1,948Multiple Airlines
Sun, Nov 22 - Thu, Dec 3

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Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
Jul 18
SEA2:20 pmSeattle/Tacoma Intl
32h 45m
2 stops
AVV4:05 pmMelbourne Avalon
Jul 31
AVV6:00 amMelbourne Avalon
32h 45m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,395
Qantas Airways
Jul 18
SEA2:20 pmSeattle/Tacoma Intl
30h 50m
2 stops
AVV2:10 pmMelbourne Avalon
Jul 31
AVV6:00 amMelbourne Avalon
32h 45m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,548
Qantas Airways
Oct 31
SEA10:05 amSeattle/Tacoma Intl
43h 10m
2 stops
AVV11:15 pmMelbourne Avalon
Nov 4
AVV6:00 amMelbourne Avalon
31h 46m
2 stops
SEA6:46 pmSeattle/Tacoma Intl
$3,109

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 13, 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

Cheapest round-trip

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 10/13

8:42 pm-10:50 pm

2 stops32h 08m

Melbourne Avalon

Tue 10/20

4:40 pm-9:34 pm

2 stops22h 54m

$1,111

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 11/10

5:55 pm-11:15 pm

2 stops34h 20m

Melbourne Avalon

Tue 11/17

6:00 am-10:52 am

2 stops23h 52m

$1,259

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 10/5

7:20 pm-2:10 pm

2 stops24h 50m

Melbourne Avalon

Tue 10/13

6:00 am-2:22 pm

2 stops26h 22m

$1,269

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 10/21

7:20 pm-3:20 pm

2 stops26h 00m

Melbourne Avalon

Tue 11/3

6:00 am-9:27 am

2 stops22h 27m

$1,338
Quickest round-trip

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 11/11

7:05 pm-2:05 pm

2 stops24h 00m

Melbourne Avalon

Sat 11/14

6:00 am-9:27 am

2 stops22h 27m

$1,349

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 11/27

7:00 am-9:45 am

2 stops31h 45m

Melbourne Avalon

Sun 12/13

2:50 pm-8:00 pm

2 stops24h 10m

$1,358

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 8/7

6:10 pm-2:10 pm

2 stops27h 00m

Melbourne Avalon

Sat 8/22

10:30 am-7:39 pm

2 stops26h 09m

$1,362

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 11/20

2:10 pm-2:05 pm

2 stops28h 55m

Melbourne Avalon

Sun 11/29

6:00 am-9:27 am

2 stops22h 27m

$1,647

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 11/22

4:45 pm-2:05 pm

2 stops26h 20m

Melbourne Avalon

Thu 12/3

6:00 am-12:25 pm

2 stops25h 25m

$1,690

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 11/22

3:15 pm-2:05 pm

2 stops27h 50m

Melbourne Avalon

Thu 12/3

10:20 am-2:37 pm

2 stops23h 17m

$1,948

Flights are sorted by cheapest round-trip 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 round-trip 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

21h 50m

Direct flights

None
The fastest flight from Seattle to Melbourne Avalon Airport takes 21h 50m
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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Frequently asked questions about flying from Seattle to Melbourne Avalon Airport

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

    Seattle/Tacoma Intl and Melbourne Avalon are 8215.8 mi apart from one another. Typically, this will take 21h 50m 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 are refreshed on a daily basis.

  • 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 layovers. 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 travel and health documents required for your trip to Melbourne Avalon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Melbourne Avalon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Seattle to Melbourne Avalon Airport

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Melbourne Avalon Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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. momondo enables you to select and highlight flights to Melbourne from Seattle with this policy.

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?

If you are simply researching potential flights to Melbourne, momondo offers a useful price alert feature which will track prices for flights to Melbourne from Seattle and alert you when they change.

An easier way to manage your Melbourne Avalon Airport trip

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