What is the cheapest airline that flies from Seattle/Tacoma Intl to Melbourne?

Air Canada, Qantas Airways, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Melbourne

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Melbourne is 1 as of August 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$593 Cheap Flights from Seattle to Melbourne in 2025

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Melbourne

Round-trip

One-way

Last minute

Cheap return flights

19:15 - 12:35SEA-MEL

23h 20m2 stops

08:10 - 14:26MEL-SEA

25h 16m2 stops

$1,298

Find Deal

Sat, 18 Oct - Sun, 9 Nov

15:40 - 14:15SEA-MEL

27h 35m2 stops

18:50 - 09:31MEL-SEA

33h 41m2 stops

$1,315Air Canada

Find Deal

Fri, 12 Dec - Tue, 23 Dec

05:50 - 14:15SEA-MEL

37h 25m2 stops

10:00 - 14:26MEL-SEA

23h 26m2 stops

$1,331Air Canada

Find Deal

Mon, 15 Dec - Thu, 25 Dec

19:15 - 15:50SEA-MEL

26h 35m2 stops

06:40 - 09:31MEL-SEA

20h 51m2 stops

$1,335

Find Deal

Tue, 21 Oct - Tue, 28 Oct

23:35 - 06:30SEA-MEL

37h 55m1 stop

08:00 - 19:15MEL-SEA

28h 15m1 stop

$1,523Philippine Airlines

Find Deal

Sun, 14 Sep - Sun, 21 Sep

18:05 - 09:20SEA-MEL

22h 15m2 stops

18:05 - 22:15MEL-SEA

22h 10m2 stops

$1,600Qantas Airways

Find Deal

Tue, 30 Sep - Tue, 7 Oct

18:05 - 09:20SEA-MEL

22h 15m2 stops

15:30 - 20:07MEL-SEA

22h 37m2 stops

$1,602Qantas Airways

Find Deal

Tue, 30 Sep - Tue, 7 Oct

23:35 - 07:30SEA-MEL

37h 55m1 stop

09:00 - 19:15MEL-SEA

28h 15m1 stop

$1,734Philippine Airlines

Find Deal

Sun, 12 Oct - Sun, 19 Oct

17:26 - 10:50SEA-MEL

47h 24m2 stops

10:35 - 17:15MEL-SEA

24h 40m2 stops

$1,801Air New Zealand

Find Deal

Sat, 11 Oct - Sun, 2 Nov

17:26 - 10:50SEA-MEL

47h 24m2 stops

08:35 - 18:45MEL-SEA

28h 10m2 stops

$1,803Air New Zealand

Find Deal

Sat, 11 Oct - Mon, 20 Oct

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

12 Dec

SEA15:40Seattle/Tacoma Intl

27h 35m

2 stops

MEL14:15Melbourne

23 Dec

MEL18:50Melbourne

33h 41m

2 stops

SEA09:31Seattle/Tacoma Intl

$1,315

Find similar

Air Canada

15 Dec

SEA05:50Seattle/Tacoma Intl

37h 25m

2 stops

MEL14:15Melbourne

25 Dec

MEL10:00Melbourne

23h 26m

2 stops

SEA14:26Seattle/Tacoma Intl

$1,331

Find similar

Air Canada

28 Aug

SEA19:15Seattle/Tacoma Intl

23h 20m

2 stops

MEL11:35Melbourne

9 Sept

MEL06:00Melbourne

20h 22m

2 stops

SEA09:22Seattle/Tacoma Intl

$1,388

Find similar

Philippine Airlines flights from Seattle to Melbourne

Our best Philippine Airlines deals on Seattle to Melbourne flight tickets

Philippine Airlines

14 Sept

SEA23:35Seattle/Tacoma Intl

37h 55m

1 stop

MEL06:30Melbourne

21 Sept

MEL08:00Melbourne

28h 15m

1 stop

SEA19:15Seattle/Tacoma Intl

$1,523

Find similar

Philippine Airlines

12 Oct

SEA23:35Seattle/Tacoma Intl

37h 55m

1 stop

MEL07:30Melbourne

19 Oct

MEL09:00Melbourne

28h 15m

1 stop

SEA19:15Seattle/Tacoma Intl

$1,734

Find similar

Philippine Airlines

5 Oct

SEA23:35Seattle/Tacoma Intl

37h 55m

1 stop

MEL07:30Melbourne

15 Oct

MEL09:00Melbourne

28h 15m

1 stop

SEA19:15Seattle/Tacoma Intl

$1,792

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 18/10

19:15-12:35

2 stops23h 20m

Melbourne

Sun 9/11

08:10-14:26

2 stops25h 16m

$1,298

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 12/12

15:40-14:15

2 stops27h 35m

Melbourne

Tue 23/12

18:50-09:31

2 stops33h 41m

$1,315

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 15/12

05:50-14:15

2 stops37h 25m

Melbourne

Thu 25/12

10:00-14:26

2 stops23h 26m

$1,331

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 21/10

19:15-15:50

2 stops26h 35m

Melbourne

Tue 28/10

06:40-09:31

2 stops20h 51m

$1,335

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 14/9

23:35-06:30

1 stop37h 55m

Melbourne

Sun 21/9

08:00-19:15

1 stop28h 15m

$1,523

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 30/9

18:05-09:20

2 stops22h 15m

Melbourne

Tue 7/10

18:05-22:15

2 stops22h 10m

$1,600

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 30/9

18:05-09:20

2 stops22h 15m

Melbourne

Tue 7/10

15:30-20:07

2 stops22h 37m

$1,602

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 12/10

23:35-07:30

1 stop37h 55m

Melbourne

Sun 19/10

09:00-19:15

1 stop28h 15m

$1,734

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/10

17:26-10:50

2 stops47h 24m

Melbourne

Sun 2/11

10:35-17:15

2 stops24h 40m

$1,801

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/10

17:26-10:50

2 stops47h 24m

Melbourne

Mon 20/10

08:35-18:45

2 stops28h 10m

$1,803

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Melbourne?

In general, June 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 $1,890. If you aren’t able to travel to Melbourne during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,927.

What is the cheapest day to depart on your flight to Melbourne?

Our data shows that Saturday is the least expensive day to fly to Melbourne. Tickets to fly out on this day can be as low as $1,778. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Melbourne on Sunday is $2,692.

What is the cheapest time of day to depart on your flight to Melbourne?

Our most recent data shows that the best time of day to fly to Melbourne is in the evening. Flights from Seattle to Melbourne during this time can be as low as $1,901. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,275. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $2,174 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Seattle for as low as $1,606 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

Best price found	$593
Fastest flight time	20h 46m
Direct flights	None
Airports in Melbourne	2 airports

The best one-way flight to Melbourne from Seattle in the past 72 hours is $593. The best return flight deal from Seattle to Melbourne found on momondo in the last 72 hours is $1,298.

The fastest flight from Seattle to Melbourne takes 20h 46m

There are no direct flights from Seattle to Melbourne. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Melbourne Airport and Seattle/Tacoma Intl Airport - Melbourne Avalon Airport.

There are 2 airports near Melbourne: Melbourne Avalon (AVV), Melbourne (MEL)

Search flight deals

How far is Seattle/Tacoma Intl to Melbourne by plane?
Melbourne is 13172.3 km away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 20h 46m.
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Melbourne is 1 as of August 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Melbourne?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
United Airlines	PriceFrom $1,548	Free cancellation	Rating 7.4 8,925 reviews		Search United Airlines flights

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. All flights to Melbourne from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of Seattle to Melbourne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.