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Cheap flights from Seattle to Melbourne from $489

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 5/16. 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
0 bags

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Find the cheapest flights from Seattle to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:20 pm - 11:20 am
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
6:00 am - 2:23 pm
MEL
-
SEA
25h 23m
2 stops
$1,020Multiple Airlines
Wed, Jun 3 - Wed, Jun 17
Multiple Airlines Logo
3:00 pm - 2:10 pm
SEA
-
AVV
30h 10m
2 stops
Multiple Airlines Logo
8:40 pm - 10:07 am
AVV
-
SEA
30h 27m
2 stops
$1,037Multiple Airlines
Thu, Jun 11 - Tue, Jul 7
Multiple Airlines Logo
7:20 pm - 11:20 am
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
9:05 pm - 2:20 pm
MEL
-
SEA
34h 15m
2 stops
$1,049Multiple Airlines
Tue, May 12 - Sat, May 23
Multiple Airlines Logo
7:20 pm - 2:15 pm
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
6:00 am - 2:20 pm
MEL
-
SEA
25h 20m
2 stops
$1,051Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
7:20 pm - 11:20 am
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
6:00 am - 10:08 am
MEL
-
SEA
21h 08m
2 stops
$1,052Multiple Airlines
Mon, May 25 - Mon, Jun 1
Multiple Airlines Logo
7:20 pm - 2:15 pm
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
8:45 pm - 10:05 am
MEL
-
SEA
30h 20m
2 stops
$1,053Multiple Airlines
Wed, May 6 - Sun, May 17
Multiple Airlines Logo
7:20 pm - 11:20 am
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
6:00 am - 6:30 pm
MEL
-
SEA
29h 30m
2 stops
$1,054Multiple Airlines
Sat, May 2 - Tue, May 19
Multiple Airlines Logo
7:20 pm - 2:15 pm
SEA
-
MEL
25h 55m
2 stops
Multiple Airlines Logo
8:45 pm - 10:05 am
MEL
-
SEA
30h 20m
2 stops
$1,056Multiple Airlines
Wed, May 6 - Sun, May 17
Fiji Airways Logo
7:09 pm - 12:00 pm
SEA
-
MEL
23h 51m
2 stops
Fiji Airways Logo
1:30 pm - 5:59 pm
MEL
-
SEA
21h 29m
2 stops
$1,061Fiji Airways
Wed, Aug 26 - Sun, Sep 6
Multiple Airlines Logo
7:20 pm - 11:20 am
SEA
-
MEL
23h 00m
2 stops
Multiple Airlines Logo
6:00 am - 10:05 am
MEL
-
SEA
21h 05m
2 stops
$1,064Multiple Airlines
Tue, May 19 - Sun, May 24

Qantas Airways flights from Seattle to Melbourne

Our best Qantas Airways deals on Seattle to Melbourne flight tickets
Qantas Airways
Apr 24
SEA7:06 pmSeattle/Tacoma Intl
42h 39m
1 stop
MEL6:45 amMelbourne
May 4
MEL2:30 pmMelbourne
25h 22m
2 stops
SEA10:52 pmSeattle/Tacoma Intl
$1,393
Qantas Airways
Apr 24
SEA6:40 pmSeattle/Tacoma Intl
22h 55m
2 stops
MEL10:35 amMelbourne
May 4
MEL9:45 amMelbourne
30h 07m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
$1,431
Qantas Airways
Apr 25
SEA5:06 pmSeattle/Tacoma Intl
20h 39m
1 stop
MEL6:45 amMelbourne
Apr 27
MEL9:45 amMelbourne
30h 13m
1 stop
SEA10:58 pmSeattle/Tacoma Intl
$2,039

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets
United Airlines
Apr 26
SEA7:37 pmSeattle/Tacoma Intl
19h 38m
1 stop
MEL8:15 amMelbourne
May 3
MEL10:55 amMelbourne
18h 30m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,319
United Airlines
Apr 26
SEA11:35 amSeattle/Tacoma Intl
27h 40m
1 stop
MEL8:15 amMelbourne
May 3
MEL9:30 amMelbourne
23h 21m
1 stop
SEA3:51 pmSeattle/Tacoma Intl
$1,321
United Airlines
Apr 24
SEA7:37 pmSeattle/Tacoma Intl
19h 38m
1 stop
MEL8:15 amMelbourne
May 4
MEL10:55 amMelbourne
29h 34m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$1,326

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Melbourne 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 April 13, 2026.
Use the filters below to find and compare flights from Seattle to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 6/3

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Wed 6/17

6:00 am-2:23 pm

2 stops25h 23m

$1,020

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Thu 6/11

3:00 pm-2:10 pm

2 stops30h 10m

Melbourne Avalon

Tue 7/7

8:40 pm-10:07 am

2 stops30h 27m

$1,037

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 5/12

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Sat 5/23

9:05 pm-2:20 pm

2 stops34h 15m

$1,049

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 5/12

7:20 pm-2:15 pm

2 stops25h 55m

Melbourne

Tue 5/19

6:00 am-2:20 pm

2 stops25h 20m

$1,051

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 5/25

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Mon 6/1

6:00 am-10:08 am

2 stops21h 08m

$1,052

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/6

7:20 pm-2:15 pm

2 stops25h 55m

Melbourne

Sun 5/17

8:45 pm-10:05 am

2 stops30h 20m

$1,053

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/2

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Tue 5/19

6:00 am-6:30 pm

2 stops29h 30m

$1,054

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/6

7:20 pm-2:15 pm

2 stops25h 55m

Melbourne

Sun 5/17

8:45 pm-10:05 am

2 stops30h 20m

$1,056

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 8/26

7:09 pm-12:00 pm

2 stops23h 51m

Melbourne

Sun 9/6

1:30 pm-5:59 pm

2 stops21h 29m

$1,061
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 5/19

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Sun 5/24

6:00 am-10:05 am

2 stops21h 05m

$1,064

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

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 typical price of a round-trip flight between Seattle and Melbourne?

What is the cheapest month to fly to Melbourne?

In general, March is the cheapest month to fly from Seattle to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,034. The month of February is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,057.

How far in advance should I book a flight to Melbourne?

You are more likely to see cheaper flights to Melbourne from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $1,332 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Seattle for as low as $934 on momondo.

Cheap Seattle to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Melbourne

Fastest flight time

22h 45m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 22h 45m
There are no direct flights from Seattle to Melbourne. There are no popular flight routes from Seattle to Melbourne.
Search flight deals

Frequently asked questions about flying from Seattle to Melbourne

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

    There are 8184.9 mi between Seattle/Tacoma Intl and Melbourne. 22h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Melbourne?

    Prices for flights from Seattle/Tacoma Intl Airport to Melbourne refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Melbourne?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Melbourne?

    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.

  • What documentation or ID do you need to fly to Melbourne?

    The travel and health documents you'll need for your trip to Melbourne may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Melbourne. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Melbourne

Compare and see reviews for airlines that fly from Seattle to Melbourne with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $97Free CancellationRating
7.9
12,232 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,406 reviews
Search Delta flights
Air CanadaPriceFrom $385Free CancellationRating
7.1
10,923 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.4
9,580 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,034Free CancellationRating
7.5
1,018 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,153Free CancellationRating
7.6
1,275 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Melbourne?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Melbourne for you.

Can I find flights from Seattle to Melbourne with flexible booking policies on momondo?

All flight searches from Seattle to Melbourne on momondo can be filtered to show those which offer flexible booking policies.

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?

Price alerts on flights to Melbourne from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 31.3 mi from Melbourne
Melbourne Avalon Airport