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Cheap flights from Seattle to Melbourne from $491

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 9/13. 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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Find the cheapest flights from Seattle to Melbourne

Cheap round-trip flights

Logo
5:59 pm - 10:50 pmSEA-AVV
34h 51m2 stops
Logo
6:00 am - 10:00 pmAVV-SEA
35h 00m2 stops
$971
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Sat, Oct 18 - Sun, Nov 9
Logo
3:46 pm - 9:45 amSEA-AVV
23h 59m2 stops
Logo
6:00 am - 1:02 pmAVV-SEA
25h 02m2 stops
$981
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Tue, Oct 21 - Tue, Oct 28
Logo
3:23 pm - 2:10 pmSEA-AVV
29h 47m2 stops
Logo
4:40 pm - 11:42 pmAVV-SEA
24h 02m2 stops
$1,026
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Sun, Sep 14 - Sun, Sep 21
Logo
2:40 pm - 4:05 pmSEA-AVV
31h 25m2 stops
Logo
6:00 am - 9:40 pmAVV-SEA
33h 40m2 stops
$1,032
Find Deal
Tue, Oct 14 - Mon, Oct 27
Logo
5:30 pm - 2:10 pmSEA-AVV
26h 40m2 stops
Logo
6:00 am - 1:02 pmAVV-SEA
26h 02m2 stops
$1,096
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Sat, Nov 1 - Fri, Nov 14
Logo
6:59 pm - 10:50 pmSEA-AVV
33h 51m2 stops
Logo
3:00 pm - 11:06 pmAVV-SEA
27h 06m2 stops
$1,108
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Fri, Oct 17 - Sun, Nov 9
Logo
7:15 pm - 2:10 pmSEA-AVV
25h 55m2 stops
Logo
8:55 pm - 9:22 amAVV-SEA
29h 27m2 stops
$1,175
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Thu, Sep 11 - Sat, Sep 13
Logo
2:42 pm - 4:05 pmSEA-AVV
31h 23m2 stops
Logo
4:40 pm - 10:15 pmAVV-SEA
23h 35m2 stops
$1,435
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Mon, Oct 6 - Tue, Oct 14
Qantas Airways Logo
7:40 am - 9:05 pmSEA-AVV
43h 25m2 stops
Qantas Airways Logo
8:55 pm - 6:37 pmAVV-SEA
40h 42m2 stops
$2,751Qantas Airways
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Sat, Oct 18 - Sun, Nov 9
Qantas Airways Logo
3:23 pm - 9:05 pmSEA-AVV
35h 42m2 stops
Qantas Airways Logo
4:40 pm - 7:05 pmAVV-SEA
20h 25m2 stops
$2,966Qantas Airways
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Sat, Oct 4 - Sat, Oct 18

Qantas Airways flights from Seattle to Melbourne Avalon Airport

Our best Qantas Airways deals on Seattle to Melbourne Avalon Airport flight tickets
Qantas Airways
Oct 18
SEA7:40 amSeattle/Tacoma Intl
43h 25m
2 stops
AVV9:05 pmMelbourne Avalon
Nov 9
AVV8:55 pmMelbourne Avalon
40h 42m
2 stops
SEA6:37 pmSeattle/Tacoma Intl
$2,751
Find similar
Qantas Airways
Oct 4
SEA3:23 pmSeattle/Tacoma Intl
35h 42m
2 stops
AVV9:05 pmMelbourne Avalon
Oct 18
AVV4:40 pmMelbourne Avalon
20h 25m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$2,966
Find similar
Qantas Airways
Sep 1
SEA2:32 pmSeattle/Tacoma Intl
36h 43m
2 stops
AVV8:15 pmMelbourne Avalon
Sep 4
AVV8:40 pmMelbourne Avalon
41h 56m
2 stops
SEA9:36 pmSeattle/Tacoma Intl
$3,000
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 August 18, 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 10/18

5:59 pm-10:50 pm

2 stops34h 51m

Melbourne Avalon

Sun 11/9

6:00 am-10:00 pm

2 stops35h 00m

$971

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 10/21

3:46 pm-9:45 am

2 stops23h 59m

Melbourne Avalon

Tue 10/28

6:00 am-1:02 pm

2 stops25h 02m

$981

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 9/14

3:23 pm-2:10 pm

2 stops29h 47m

Melbourne Avalon

Sun 9/21

4:40 pm-11:42 pm

2 stops24h 02m

$1,026

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Tue 10/14

2:40 pm-4:05 pm

2 stops31h 25m

Melbourne Avalon

Mon 10/27

6:00 am-9:40 pm

2 stops33h 40m

$1,032

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 11/1

5:30 pm-2:10 pm

2 stops26h 40m

Melbourne Avalon

Fri 11/14

6:00 am-1:02 pm

2 stops26h 02m

$1,096

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 10/17

6:59 pm-10:50 pm

2 stops33h 51m

Melbourne Avalon

Sun 11/9

3:00 pm-11:06 pm

2 stops27h 06m

$1,108

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 9/11

7:15 pm-2:10 pm

2 stops25h 55m

Melbourne Avalon

Sat 9/13

8:55 pm-9:22 am

2 stops29h 27m

$1,175

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Mon 10/6

2:42 pm-4:05 pm

2 stops31h 23m

Melbourne Avalon

Tue 10/14

4:40 pm-10:15 pm

2 stops23h 35m

$1,435

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 10/18

7:40 am-9:05 pm

2 stops43h 25m

Melbourne Avalon

Sun 11/9

8:55 pm-6:37 pm

2 stops40h 42m

$2,751

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sat 10/4

3:23 pm-9:05 pm

2 stops35h 42m

Melbourne Avalon

Sat 10/18

4:40 pm-7:05 pm

2 stops20h 25m

$2,966

Flights are sorted by cheapest round-trip 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 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

Best Price Found

$491

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 $491. The best round-trip flight deal from Seattle to Melbourne Avalon Airport found on momondo in the last 72 hours is $971.
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.
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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 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 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.

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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