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

Philippine Airlines 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 January 2026.

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.

$744 Cheap Flights from Seattle to Melbourne in 2026

Q: What is the typical price of a round-trip flight between Seattle and Melbourne?

Prices are currently low for flights on this route. Typical prices usually range from $1,613 to $2,487. The lowest price recently found on this route was $1,417.

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Find the cheapest flights from Seattle to Melbourne

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:00 - 12:25

SEA

MEL

22h 25m2 stops

06:05 - 09:31

MEL

SEA

21h 26m2 stops

$1,417Multiple Airlines

Sun, 8 Mar - Wed, 18 Mar

20:00 - 11:25

SEA

MEL

22h 25m2 stops

06:00 - 09:33

MEL

SEA

20h 33m2 stops

$1,420Multiple Airlines

Mon, 6 Apr - Mon, 20 Apr

20:00 - 12:10

SEA

MEL

22h 10m2 stops

06:00 - 09:33

MEL

SEA

20h 33m2 stops

$1,426Multiple Airlines

Thu, 2 Apr - Mon, 13 Apr

20:00 - 11:25

SEA

MEL

22h 25m2 stops

20:45 - 19:18

MEL

SEA

39h 33m2 stops

$1,427Multiple Airlines

Sat, 11 Apr - Sun, 19 Apr

20:00 - 13:35

SEA

MEL

22h 35m2 stops

07:10 - 09:31

MEL

SEA

21h 21m2 stops

$1,430Air Canada

Sat, 21 Feb - Thu, 5 Mar

15:40 - 14:15

SEA

MEL

27h 35m2 stops

08:10 - 15:01

MEL

SEA

25h 51m2 stops

$1,432Air Canada

Sat, 21 Feb - Sat, 7 Mar

20:00 - 15:15

SEA

MEL

24h 15m2 stops

07:10 - 09:31

MEL

SEA

21h 21m2 stops

$1,433Air Canada

Sat, 21 Feb - Thu, 5 Mar

17:06 - 14:20

SEA

AVV

28h 14m2 stops

16:40 - 00:53

AVV

SEA

25h 13m2 stops

$2,965Qantas Airways

Fri, 24 Apr - Mon, 4 May

18:40 - 14:10

SEA

AVV

26h 30m2 stops

08:50 - 22:42

AVV

SEA

30h 52m2 stops

$3,031Qantas Airways

Sun, 10 May - Sat, 23 May

14:53 - 15:20

SEA

AVV

30h 27m2 stops

16:40 - 00:59

AVV

SEA

25h 19m2 stops

$3,414Qantas Airways

Fri, 3 Apr - Tue, 14 Apr

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

21 Feb

SEA20:00Seattle/Tacoma Intl

22h 35m

2 stops

MEL13:35Melbourne

5 Mar

MEL07:10Melbourne

21h 21m

2 stops

SEA09:31Seattle/Tacoma Intl

$1,430

Air Canada

21 Feb

SEA15:40Seattle/Tacoma Intl

27h 35m

2 stops

MEL14:15Melbourne

7 Mar

MEL08:10Melbourne

25h 51m

2 stops

SEA15:01Seattle/Tacoma Intl

$1,432

Air Canada

21 Feb

SEA20:00Seattle/Tacoma Intl

24h 15m

2 stops

MEL15:15Melbourne

5 Mar

MEL07:10Melbourne

21h 21m

2 stops

SEA09:31Seattle/Tacoma Intl

$1,433

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets

United Airlines

11 Jan

SEA17:10Seattle/Tacoma Intl

21h 50m

1 stop

MEL10:00Melbourne

20 Feb

MEL13:00Melbourne

21h 41m

1 stop

SEA15:41Seattle/Tacoma Intl

$1,581

United Airlines

4 Mar

SEA18:04Seattle/Tacoma Intl

20h 26m

1 stop

MEL09:30Melbourne

15 Mar

MEL12:00Melbourne

22h 14m

1 stop

SEA16:14Seattle/Tacoma Intl

$1,583

United Airlines

16 Apr

SEA23:59Seattle/Tacoma Intl

38h 31m

2 stops

MEL07:30Melbourne

26 Apr

MEL09:30Melbourne

19h 07m

1 stop

SEA11:37Seattle/Tacoma Intl

$1,587

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 8/3

20:00-12:25

2 stops22h 25m

Melbourne

Wed 18/3

06:05-09:31

2 stops21h 26m

$1,417

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 6/4

20:00-11:25

2 stops22h 25m

Melbourne

Mon 20/4

06:00-09:33

2 stops20h 33m

$1,420

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 2/4

20:00-12:10

2 stops22h 10m

Melbourne

Mon 13/4

06:00-09:33

2 stops20h 33m

$1,426

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/4

20:00-11:25

2 stops22h 25m

Melbourne

Sun 19/4

20:45-19:18

2 stops39h 33m

$1,427

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 21/2

20:00-13:35

2 stops22h 35m

Melbourne

Thu 5/3

07:10-09:31

2 stops21h 21m

$1,430

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 21/2

15:40-14:15

2 stops27h 35m

Melbourne

Sat 7/3

08:10-15:01

2 stops25h 51m

$1,432

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 21/2

20:00-15:15

2 stops24h 15m

Melbourne

Thu 5/3

07:10-09:31

2 stops21h 21m

$1,433

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 24/4

17:06-14:20

2 stops28h 14m

Melbourne Avalon

Mon 4/5

16:40-00:53

2 stops25h 13m

$2,965

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 10/5

18:40-14:10

2 stops26h 30m

Melbourne Avalon

Sat 23/5

08:50-22:42

2 stops30h 52m

$3,031

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 3/4

14:53-15:20

2 stops30h 27m

Melbourne Avalon

Tue 14/4

16:40-00:59

2 stops25h 19m

$3,414

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 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 $1,634. If you aren’t able to travel to Melbourne during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,656.

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 $1,995 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 $1,242 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 18m
Direct flights	None

The fastest flight from Seattle to Melbourne takes 21h 18m

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 18m.
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 January 2026.
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 $1,512	Free cancellation	Rating 7.4 9,145 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.