What airlines fly to Melbourne?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Melbourne from Seattle according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 4 different airlines that fly to Melbourne on a routine basis, so you have a few additional options to choose from.

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

Air Canada, Qantas Airways, and Philippine 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 4 as of September 2025.

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.

$399 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 round-trip flights

8:00 pm - 12:45 pmSEA-MEL

22h 45m2 stops

7:10 am - 9:31 amMEL-SEA

21h 21m2 stops

$839Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

7:15 pm - 12:10 pmSEA-MEL

22h 55m2 stops

8:10 am - 2:31 pmMEL-SEA

25h 21m2 stops

$858Multiple Airlines

Find Deal

Tue, Oct 21 - Sun, Jan 18

7:15 pm - 2:20 pmSEA-MEL

25h 05m2 stops

6:30 am - 9:31 amMEL-SEA

21h 01m2 stops

$859Multiple Airlines

Find Deal

Sun, Oct 19 - Fri, Oct 31

8:00 pm - 3:35 pmSEA-MEL

24h 35m2 stops

7:10 am - 9:31 amMEL-SEA

21h 21m2 stops

$863Air Canada

Find Deal

Wed, Feb 11 - Sun, Feb 22

8:00 pm - 12:35 pmSEA-MEL

22h 35m2 stops

7:10 am - 9:31 amMEL-SEA

20h 21m2 stops

$865Air Canada

Find Deal

Thu, Mar 12 - Mon, Mar 16

6:08 pm - 9:30 amSEA-MEL

20h 22m1 stop

11:30 am - 9:29 pmMEL-SEA

28h 59m2 stops

$1,016United Airlines

Find Deal

Sat, Feb 21 - Sat, Mar 7

12:35 pm - 10:00 amSEA-MEL

26h 25m1 stop

11:30 am - 6:10 pmMEL-SEA

25h 40m2 stops

$1,020United Airlines

Find Deal

Tue, Feb 10 - Mon, Feb 23

12:00 pm - 8:00 amSEA-MEL

25h 00m1 stop

10:10 am - 6:32 pmMEL-SEA

27h 22m2 stops

$1,027Delta

Find Deal

Wed, Feb 11 - Sun, Feb 22

4:30 pm - 10:35 amSEA-MEL

23h 05m2 stops

7:45 am - 1:02 pmMEL-SEA

24h 17m2 stops

$1,065Qantas Airways

Find Deal

Wed, Nov 12 - Wed, Nov 19

5:59 pm - 12:05 pmSEA-MEL

23h 06m2 stops

9:00 pm - 10:49 pmMEL-SEA

42h 49m2 stops

$1,085Qantas Airways

Find Deal

Mon, Dec 8 - Sun, May 10

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

Feb 11

SEA8:00 pmSeattle/Tacoma Intl

24h 35m

2 stops

MEL3:35 pmMelbourne

Feb 22

MEL7:10 amMelbourne

21h 21m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$863

Find similar

Air Canada

Mar 12

SEA8:00 pmSeattle/Tacoma Intl

22h 35m

2 stops

MEL12:35 pmMelbourne

Mar 16

MEL7:10 amMelbourne

20h 21m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$865

Find similar

Air Canada

Feb 10

SEA8:00 pmSeattle/Tacoma Intl

23h 15m

2 stops

MEL2:15 pmMelbourne

Feb 25

MEL8:00 amMelbourne

20h 31m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$869

Find similar

Qantas Airways flights from Seattle to Melbourne

Our best Qantas Airways deals on Seattle to Melbourne flight tickets

Qantas Airways

Nov 12

SEA4:30 pmSeattle/Tacoma Intl

23h 05m

2 stops

MEL10:35 amMelbourne

Nov 19

MEL7:45 amMelbourne

24h 17m

2 stops

SEA1:02 pmSeattle/Tacoma Intl

$1,065

Find similar

Qantas Airways

Dec 8

SEA5:59 pmSeattle/Tacoma Intl

23h 06m

2 stops

MEL12:05 pmMelbourne

May 10

MEL9:00 pmMelbourne

42h 49m

2 stops

SEA10:49 pmSeattle/Tacoma Intl

$1,085

Find similar

Qantas Airways

Nov 3

SEA4:30 pmSeattle/Tacoma Intl

32h 30m

2 stops

MEL8:00 pmMelbourne

Nov 17

MEL5:05 pmMelbourne

44h 06m

2 stops

SEA6:11 pmSeattle/Tacoma Intl

$1,087

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 10/30

8:00 pm-12:45 pm

2 stops22h 45m

Melbourne

Thu 11/6

7:10 am-9:31 am

2 stops21h 21m

$839

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/21

7:15 pm-12:10 pm

2 stops22h 55m

Melbourne

Sun 1/18

8:10 am-2:31 pm

2 stops25h 21m

$858

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 10/19

7:15 pm-2:20 pm

2 stops25h 05m

Melbourne

Fri 10/31

6:30 am-9:31 am

2 stops21h 01m

$859

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 2/11

8:00 pm-3:35 pm

2 stops24h 35m

Melbourne

Sun 2/22

7:10 am-9:31 am

2 stops21h 21m

$863

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 3/12

8:00 pm-12:35 pm

2 stops22h 35m

Melbourne

Mon 3/16

7:10 am-9:31 am

2 stops20h 21m

$865

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

6:08 pm-9:30 am

1 stop20h 22m

Melbourne

Sat 3/7

11:30 am-9:29 pm

2 stops28h 59m

$1,016

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

12:35 pm-10:00 am

1 stop26h 25m

Melbourne

Mon 2/23

11:30 am-6:10 pm

2 stops25h 40m

$1,020

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 2/11

12:00 pm-8:00 am

1 stop25h 00m

Melbourne

Sun 2/22

10:10 am-6:32 pm

2 stops27h 22m

$1,027

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 11/12

4:30 pm-10:35 am

2 stops23h 05m

Melbourne

Wed 11/19

7:45 am-1:02 pm

2 stops24h 17m

$1,065

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 12/8

5:59 pm-12:05 pm

2 stops23h 06m

Melbourne

Sun 5/10

9:00 pm-10:49 pm

2 stops42h 49m

$1,085

Flights are sorted by cheapest round-trip 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 $1,171. The month of June is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,231.

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

On average, the least expensive day to fly to Melbourne from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $1,330. However, this price may fluctuate depending on the airline, the season, and holidays. 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 $1,470.

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 $1,313. Flights to Melbourne are more costly in the morning, with an average ticket price of $1,514. Departure times in the morning 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 $1,390 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 $915 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.

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How far is Seattle/Tacoma Intl to Melbourne by plane?
There are 8184.9 mi between Seattle/Tacoma Intl and Melbourne. 20h 22m 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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Melbourne is 4 as of September 2025.
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
Air Canada	PriceFrom $855	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,042	Free Cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,108	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Air New Zealand	PriceFrom $1,516	Free Cancellation	Rating 8.0 505 reviews	Search Air New Zealand 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.