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Cheap flights from Seattle to Melbourne from $510

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 2/8. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 pm - 8:05 pmSEA-AVV
31h 05m2 stops
Multiple Airlines Logo
8:55 pm - 9:33 amAVV-SEA
29h 38m2 stops
$1,209Multiple Airlines
Find Deal
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
8:00 pm - 3:50 pmSEA-AVV
24h 50m2 stops
Multiple Airlines Logo
6:00 am - 9:31 amAVV-SEA
21h 31m2 stops
$1,257Multiple Airlines
Find Deal
Tue, Mar 3 - Thu, Mar 12
Multiple Airlines Logo
8:00 pm - 3:50 pmSEA-AVV
25h 50m2 stops
Multiple Airlines Logo
6:00 am - 3:01 pmAVV-SEA
27h 01m2 stops
$1,640Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
3:40 pm - 3:50 pmSEA-AVV
29h 10m2 stops
Multiple Airlines Logo
6:00 am - 9:31 amAVV-SEA
21h 31m2 stops
$1,815Multiple Airlines
Find Deal
Sun, Feb 22 - Sun, Mar 15
Qantas Airways Logo
4:50 pm - 3:50 pmSEA-AVV
29h 00m2 stops
Qantas Airways Logo
8:55 pm - 10:36 pmAVV-SEA
43h 41m2 stops
$2,251Qantas Airways
Find Deal
Thu, Mar 12 - Sat, Mar 28
Multiple Airlines Logo
8:00 pm - 2:10 pmSEA-AVV
23h 10m2 stops
Multiple Airlines Logo
6:00 am - 9:31 amAVV-SEA
22h 31m2 stops
$2,259Multiple Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 28
Multiple Airlines Logo
8:00 pm - 11:15 pmSEA-AVV
32h 15m2 stops
Multiple Airlines Logo
8:55 pm - 9:31 amAVV-SEA
31h 36m3 stops
$2,936Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Qantas Airways Logo
3:57 pm - 3:50 pmSEA-AVV
28h 53m2 stops
Qantas Airways Logo
4:25 pm - 7:58 pmAVV-SEA
22h 33m2 stops
$2,963Qantas Airways
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Wed, Jan 14 - Mon, Mar 2
Qantas Airways Logo
6:00 am - 3:50 pmSEA-AVV
38h 50m2 stops
Qantas Airways Logo
6:00 am - 6:52 pmAVV-SEA
31h 52m2 stops
$3,021Qantas Airways
Find Deal
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
6:00 am - 3:50 pmSEA-AVV
38h 50m2 stops
Qantas Airways Logo
6:00 am - 6:52 pmAVV-SEA
31h 52m2 stops
$3,022Qantas Airways
Find Deal
Sat, Feb 28 - Wed, Mar 4

Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
Mar 12
SEA4:50 pmSeattle/Tacoma Intl
29h 00m
2 stops
AVV3:50 pmMelbourne Avalon
Mar 28
AVV8:55 pmMelbourne Avalon
43h 41m
2 stops
SEA10:36 pmSeattle/Tacoma Intl
$2,251
Find similar
Qantas Airways
Jan 14
SEA3:57 pmSeattle/Tacoma Intl
28h 53m
2 stops
AVV3:50 pmMelbourne Avalon
Mar 2
AVV4:25 pmMelbourne Avalon
22h 33m
2 stops
SEA7:58 pmSeattle/Tacoma Intl
$2,963
Find similar
Qantas Airways
Feb 28
SEA6:00 amSeattle/Tacoma Intl
38h 50m
2 stops
AVV3:50 pmMelbourne Avalon
Mar 4
AVV6:00 amMelbourne Avalon
31h 52m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
$3,021
Find similar

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 November 24, 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 4/13

8:00 pm-8:05 pm

2 stops31h 05m

Melbourne Avalon

Tue 4/28

8:55 pm-9:33 am

2 stops29h 38m

$1,209

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 3/3

8:00 pm-3:50 pm

2 stops24h 50m

Melbourne Avalon

Thu 3/12

6:00 am-9:31 am

2 stops21h 31m

$1,257

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 3/11

8:00 pm-3:50 pm

2 stops25h 50m

Melbourne Avalon

Wed 3/18

6:00 am-3:01 pm

2 stops27h 01m

$1,640

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 2/22

3:40 pm-3:50 pm

2 stops29h 10m

Melbourne Avalon

Sun 3/15

6:00 am-9:31 am

2 stops21h 31m

$1,815

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 3/12

4:50 pm-3:50 pm

2 stops29h 00m

Melbourne Avalon

Sat 3/28

8:55 pm-10:36 pm

2 stops43h 41m

$2,251

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 2/7

8:00 pm-2:10 pm

2 stops23h 10m

Melbourne Avalon

Sat 2/28

6:00 am-9:31 am

2 stops22h 31m

$2,259

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 12/13

8:00 pm-11:15 pm

2 stops32h 15m

Melbourne Avalon

Sat 12/20

8:55 pm-9:31 am

3 stops31h 36m

$2,936

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 1/14

3:57 pm-3:50 pm

2 stops28h 53m

Melbourne Avalon

Mon 3/2

4:25 pm-7:58 pm

2 stops22h 33m

$2,963

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 2/28

6:00 am-3:50 pm

2 stops38h 50m

Melbourne Avalon

Wed 3/4

6:00 am-6:52 pm

2 stops31h 52m

$3,021

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 2/28

6:00 am-3:50 pm

2 stops38h 50m

Melbourne Avalon

Wed 3/4

6:00 am-6:52 pm

2 stops31h 52m

$3,022

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

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?

    Seattle/Tacoma Intl and Melbourne Avalon are 8215.8 mi apart from one another. Typically, this will take 23h 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 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.

  • 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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