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 September 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.

$599 Cheap Flights from Seattle to Melbourne in 2025/26

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Find the cheapest flights from Seattle to Melbourne

Round-trip

One-way

Last minute

Cheap return flights

20:00 - 17:15SEA-MEL

26h 15m2 stops

06:40 - 09:31MEL-SEA

21h 51m2 stops

$1,237

Find Deal

Tue, 10 Feb - Fri, 6 Mar

20:00 - 19:45SEA-MEL

29h 45m2 stops

06:00 - 09:31MEL-SEA

22h 31m2 stops

$1,259

Find Deal

Tue, 28 Oct - Tue, 4 Nov

20:00 - 20:15SEA-MEL

30h 15m2 stops

08:10 - 09:31MEL-SEA

20h 21m2 stops

$1,261

Find Deal

Thu, 30 Oct - Sun, 9 Nov

20:00 - 14:15SEA-MEL

23h 15m2 stops

07:10 - 14:31MEL-SEA

26h 21m2 stops

$1,283Air Canada

Find Deal

Fri, 6 Feb - Sat, 14 Feb

14:55 - 12:10SEA-MEL

27h 15m2 stops

08:10 - 09:31MEL-SEA

20h 21m2 stops

$1,288

Find Deal

Tue, 21 Oct - Sun, 18 Jan

20:00 - 15:15SEA-MEL

24h 15m2 stops

08:00 - 14:31MEL-SEA

25h 31m2 stops

$1,289Air Canada

Find Deal

Tue, 10 Feb - Thu, 26 Feb

23:35 - 07:30SEA-MEL

37h 55m1 stop

09:00 - 19:15MEL-SEA

28h 15m1 stop

$1,378Philippine Airlines

Find Deal

Sun, 12 Oct - Sun, 19 Oct

17:10 - 10:00SEA-MEL

21h 50m1 stop

11:30 - 11:28MEL-SEA

18h 58m1 stop

$1,525United Airlines

Find Deal

Tue, 10 Feb - Tue, 24 Feb

12:35 - 10:00SEA-MEL

26h 25m1 stop

11:30 - 18:10MEL-SEA

25h 40m2 stops

$1,531United Airlines

Find Deal

Tue, 10 Feb - Mon, 23 Feb

12:00 - 08:00SEA-MEL

25h 00m1 stop

10:10 - 18:32MEL-SEA

27h 22m2 stops

$1,541Delta

Find Deal

Wed, 11 Feb - Sun, 22 Feb

Qantas Airways flights from Seattle to Melbourne

Our best Qantas Airways deals on Seattle to Melbourne flight tickets

Qantas Airways

2 Oct

SEA16:59Seattle/Tacoma Intl

24h 36m

2 stops

MEL10:35Melbourne

9 Oct

MEL06:45Melbourne

22h 14m

2 stops

SEA10:59Seattle/Tacoma Intl

$1,616

Find similar

Qantas Airways

3 Nov

SEA17:30Seattle/Tacoma Intl

24h 10m

2 stops

MEL12:40Melbourne

17 Nov

MEL17:25Melbourne

43h 46m

2 stops

SEA18:11Seattle/Tacoma Intl

$1,630

Find similar

Qantas Airways

21 Oct

SEA14:40Seattle/Tacoma Intl

22h 05m

1 stop

MEL06:45Melbourne

18 Jan

MEL06:45Melbourne

25h 11m

2 stops

SEA12:56Seattle/Tacoma Intl

$1,660

Find similar

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

6 Feb

SEA20:00Seattle/Tacoma Intl

23h 15m

2 stops

MEL14:15Melbourne

14 Feb

MEL07:10Melbourne

26h 21m

2 stops

SEA14:31Seattle/Tacoma Intl

$1,283

Find similar

Air Canada

10 Feb

SEA20:00Seattle/Tacoma Intl

24h 15m

2 stops

MEL15:15Melbourne

26 Feb

MEL08:00Melbourne

25h 31m

2 stops

SEA14:31Seattle/Tacoma Intl

$1,289

Find similar

Air Canada

11 Feb

SEA20:00Seattle/Tacoma Intl

24h 35m

2 stops

MEL15:35Melbourne

22 Feb

MEL07:10Melbourne

21h 21m

2 stops

SEA09:31Seattle/Tacoma Intl

$1,295

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-17:15

2 stops26h 15m

Melbourne

Fri 6/3

06:40-09:31

2 stops21h 51m

$1,237

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 28/10

20:00-19:45

2 stops29h 45m

Melbourne

Tue 4/11

06:00-09:31

2 stops22h 31m

$1,259

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 30/10

20:00-20:15

2 stops30h 15m

Melbourne

Sun 9/11

08:10-09:31

2 stops20h 21m

$1,261

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 6/2

20:00-14:15

2 stops23h 15m

Melbourne

Sat 14/2

07:10-14:31

2 stops26h 21m

$1,283

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 21/10

14:55-12:10

2 stops27h 15m

Melbourne

Sun 18/1

08:10-09:31

2 stops20h 21m

$1,288

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

20:00-15:15

2 stops24h 15m

Melbourne

Thu 26/2

08:00-14:31

2 stops25h 31m

$1,289

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

$1,378

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

17:10-10:00

1 stop21h 50m

Melbourne

Tue 24/2

11:30-11:28

1 stop18h 58m

$1,525

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/2

12:35-10:00

1 stop26h 25m

Melbourne

Mon 23/2

11:30-18:10

2 stops25h 40m

$1,531

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/2

12:00-08:00

1 stop25h 00m

Melbourne

Sun 22/2

10:10-18:32

2 stops27h 22m

$1,541

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, 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 $1,757. If you aren’t able to travel to Melbourne during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,847.

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 $1,738. 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 $2,631.

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 $1,858. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,223. 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 $2,086 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 $1,373 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

Direct flights	None

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?
Melbourne is 13172.3 km away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 21h 50m.
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 September 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 $1,513	Free cancellation	Rating 7.4 8,929 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.