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Cheap flights from Seattle to Melbourne from $443

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 5/13. 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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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 - 9:50 am
MEL
-
SEA
20h 50m
2 stops
$1,036Multiple Airlines
Tue, May 19 - Wed, Jun 3
Multiple Airlines Logo
7:20 pm - 11:05 am
SEA
-
MEL
22h 45m
2 stops
Multiple Airlines Logo
6:00 am - 9:50 am
MEL
-
SEA
20h 50m
2 stops
$1,039Multiple Airlines
Sat, May 23 - Sat, Jun 6
Multiple Airlines Logo
2:55 pm - 2:15 pm
SEA
-
MEL
30h 20m
2 stops
Multiple Airlines Logo
10:10 am - 10:05 am
MEL
-
SEA
40h 55m
2 stops
$1,049Multiple Airlines
Sat, May 9 - Sat, May 23
Multiple Airlines Logo
7:20 pm - 8:15 pm
SEA
-
MEL
31h 55m
2 stops
Multiple Airlines Logo
9:05 pm - 10:05 am
MEL
-
SEA
30h 00m
2 stops
$1,050Multiple Airlines
Sat, May 9 - Sat, May 23
Multiple Airlines Logo
2:55 pm - 2:15 pm
SEA
-
MEL
30h 20m
2 stops
Multiple Airlines Logo
6:00 am - 10:05 am
MEL
-
SEA
21h 05m
2 stops
$1,051Multiple Airlines
Sat, May 9 - Fri, May 29
Multiple Airlines Logo
8:00 pm - 2:05 pm
SEA
-
MEL
25h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 6:30 pm
MEL
-
SEA
39h 00m
2 stops
$1,054Multiple Airlines
Fri, Apr 24 - Mon, May 4
Multiple Airlines Logo
8:00 pm - 2:05 pm
SEA
-
MEL
25h 05m
2 stops
Multiple Airlines Logo
8:30 pm - 6:30 pm
MEL
-
SEA
39h 00m
2 stops
$1,055Multiple Airlines
Fri, Apr 24 - Mon, May 4
Air Canada Logo
2:55 pm - 11:05 am
SEA
-
MEL
27h 10m
2 stops
Air Canada Logo
6:00 am - 10:05 am
MEL
-
SEA
21h 05m
2 stops
$1,062Air Canada
Tue, May 5 - Wed, May 20
Air Canada Logo
10:20 am - 11:05 am
SEA
-
MEL
31h 45m
2 stops
Air Canada Logo
8:45 pm - 10:05 am
MEL
-
SEA
30h 20m
2 stops
$1,063Air Canada
Thu, Apr 23 - Thu, Apr 30
Qantas Airways Logo
4:28 pm - 2:20 pm
SEA
-
AVV
28h 52m
2 stops
Qantas Airways Logo
4:40 pm - 9:49 pm
AVV
-
SEA
46h 09m
2 stops
$2,312Qantas Airways
Wed, Jun 3 - Wed, Jun 24

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets
United Airlines
May 4
SEA12:34 pmSeattle/Tacoma Intl
25h 56m
1 stop
MEL7:30 amMelbourne
May 17
MEL9:30 amMelbourne
19h 07m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$1,221
United Airlines
May 23
SEA3:30 pmSeattle/Tacoma Intl
23h 45m
1 stop
MEL8:15 amMelbourne
Jun 6
MEL10:55 amMelbourne
38h 05m
2 stops
SEA8:00 amSeattle/Tacoma Intl
$1,225
United Airlines
Mar 29
SEA6:30 amSeattle/Tacoma Intl
56h 45m
2 stops
MEL9:15 amMelbourne
Apr 5
MEL9:30 amMelbourne
54h 57m
3 stops
SEA11:27 pmSeattle/Tacoma Intl
$2,426

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets
Air Canada
May 5
SEA2:55 pmSeattle/Tacoma Intl
27h 10m
2 stops
MEL11:05 amMelbourne
May 20
MEL6:00 amMelbourne
21h 05m
2 stops
SEA10:05 amSeattle/Tacoma Intl
$1,062
Air Canada
Apr 23
SEA10:20 amSeattle/Tacoma Intl
31h 45m
2 stops
MEL11:05 amMelbourne
Apr 30
MEL8:45 pmMelbourne
30h 20m
2 stops
SEA10:05 amSeattle/Tacoma Intl
$1,063
Air Canada
May 9
SEA2:55 pmSeattle/Tacoma Intl
27h 25m
2 stops
MEL11:20 amMelbourne
May 16
MEL6:00 amMelbourne
25h 20m
2 stops
SEA2:20 pmSeattle/Tacoma Intl
$1,213

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 March 27, 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

Tue 5/19

7:20 pm-11:20 am

2 stops23h 00m

Melbourne

Wed 6/3

6:00 am-9:50 am

2 stops20h 50m

$1,036
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/23

7:20 pm-11:05 am

2 stops22h 45m

Melbourne

Sat 6/6

6:00 am-9:50 am

2 stops20h 50m

$1,039

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/9

2:55 pm-2:15 pm

2 stops30h 20m

Melbourne

Sat 5/23

10:10 am-10:05 am

2 stops40h 55m

$1,049

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/9

7:20 pm-8:15 pm

2 stops31h 55m

Melbourne

Sat 5/23

9:05 pm-10:05 am

2 stops30h 00m

$1,050

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/9

2:55 pm-2:15 pm

2 stops30h 20m

Melbourne

Fri 5/29

6:00 am-10:05 am

2 stops21h 05m

$1,051

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 4/24

8:00 pm-2:05 pm

2 stops25h 05m

Melbourne

Mon 5/4

8:30 pm-6:30 pm

2 stops39h 00m

$1,054

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 4/24

8:00 pm-2:05 pm

2 stops25h 05m

Melbourne

Mon 5/4

8:30 pm-6:30 pm

2 stops39h 00m

$1,055

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 5/5

2:55 pm-11:05 am

2 stops27h 10m

Melbourne

Wed 5/20

6:00 am-10:05 am

2 stops21h 05m

$1,062

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 4/23

10:20 am-11:05 am

2 stops31h 45m

Melbourne

Thu 4/30

8:45 pm-10:05 am

2 stops30h 20m

$1,063

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 6/3

4:28 pm-2:20 pm

2 stops28h 52m

Melbourne Avalon

Wed 6/24

4:40 pm-9:49 pm

2 stops46h 09m

$2,312

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, February 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 $1,057. The month of April is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,071.

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 $1,298 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

21h 17m

Direct flights

None
The fastest flight from Seattle to Melbourne takes 21h 17m
There are no direct flights from Seattle to Melbourne. There are no popular flight routes from Seattle to Melbourne.
Search flight deals

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

    There are 8184.9 mi between Seattle/Tacoma Intl and Melbourne. 21h 17m 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
12,130 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,352 reviews
Search Delta flights
Air CanadaPriceFrom $385Free CancellationRating
7.1
10,853 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.4
9,500 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,034Free CancellationRating
7.5
1,013 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,153Free CancellationRating
7.6
1,232 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