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?

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 4 as of December 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.

$471 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 2:05 pm

SEA

MEL

27h 25m2 stops

7:10 am - 9:31 am

MEL

SEA

21h 21m2 stops

$949Multiple Airlines

Tue, Feb 17 - Sat, Mar 7

3:40 pm - 2:05 pm

SEA

MEL

27h 25m2 stops

7:10 am - 9:31 am

MEL

SEA

21h 21m2 stops

$950Multiple Airlines

Tue, Feb 17 - Sat, Mar 7

8:00 pm - 12:35 pm

SEA

MEL

22h 35m2 stops

6:05 am - 9:31 am

MEL

SEA

21h 26m2 stops

$953Multiple Airlines

Wed, Mar 11 - Wed, Mar 25

8:00 pm - 11:25 am

SEA

MEL

22h 25m2 stops

8:50 pm - 9:33 am

MEL

SEA

29h 43m2 stops

$954Multiple Airlines

Thu, Apr 9 - Sat, Apr 18

8:00 pm - 2:35 pm

SEA

MEL

23h 35m2 stops

8:10 am - 9:31 am

MEL

SEA

20h 21m2 stops

$956Air Canada

Sat, Feb 21 - Sat, Mar 7

8:00 pm - 2:15 pm

SEA

MEL

23h 15m2 stops

6:00 am - 9:33 am

MEL

SEA

20h 33m2 stops

$957Air Canada

Tue, Feb 10 - Mon, Apr 20

3:57 pm - 3:50 pm

SEA

AVV

28h 53m2 stops

6:00 am - 6:57 pm

AVV

SEA

31h 57m2 stops

$2,561Qantas Airways

Wed, Feb 11 - Sun, Feb 22

6:00 am - 3:50 pm

SEA

AVV

38h 50m2 stops

8:10 am - 5:52 pm

AVV

SEA

28h 42m2 stops

$2,711Qantas Airways

Fri, Jan 16 - Mon, Feb 2

2:53 pm - 3:50 pm

SEA

AVV

30h 57m2 stops

2:55 pm - 8:42 pm

AVV

SEA

23h 47m2 stops

$2,779Qantas Airways

Fri, Mar 20 - Mon, Mar 30

3:50 pm - 3:50 pm

SEA

AVV

29h 00m2 stops

4:25 pm - 7:58 pm

AVV

SEA

22h 33m2 stops

$2,847Qantas Airways

Fri, Feb 13 - Sat, Feb 28

American Airlines flights from Seattle to Melbourne

Our best American Airlines deals on Seattle to Melbourne flight tickets

American Airlines

Feb 21

SEA5:39 amSeattle/Tacoma Intl

28h 21m

1 stop

MEL5:00 amMelbourne

Mar 7

MEL4:05 pmMelbourne

22h 33m

1 stop

SEA7:38 pmSeattle/Tacoma Intl

$989

Find similar

American Airlines

Feb 17

SEA6:01 amSeattle/Tacoma Intl

32h 29m

1 stop

MEL9:30 amMelbourne

Mar 7

MEL4:05 pmMelbourne

24h 13m

1 stop

SEA9:18 pmSeattle/Tacoma Intl

$990

Find similar

American Airlines

Mar 10

SEA3:00 pmSeattle/Tacoma Intl

24h 30m

2 stops

MEL9:30 amMelbourne

Mar 24

MEL12:00 pmMelbourne

24h 53m

1 stop

SEA6:53 pmSeattle/Tacoma Intl

$994

Find similar

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

Feb 21

SEA8:00 pmSeattle/Tacoma Intl

23h 35m

2 stops

MEL2:35 pmMelbourne

Mar 7

MEL8:10 amMelbourne

20h 21m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$956

Find similar

Air Canada

Feb 10

SEA8:00 pmSeattle/Tacoma Intl

23h 15m

2 stops

MEL2:15 pmMelbourne

Feb 17

MEL8:10 amMelbourne

20h 05m

2 stops

SEA9:15 amSeattle/Tacoma Intl

$957

Find similar

Air Canada

Feb 11

SEA8:00 pmSeattle/Tacoma Intl

22h 35m

2 stops

MEL1:35 pmMelbourne

Feb 22

MEL6:50 pmMelbourne

43h 26m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

$996

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/17

3:40 pm-2:05 pm

2 stops27h 25m

Melbourne

Sat 3/7

7:10 am-9:31 am

2 stops21h 21m

$949

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/17

3:40 pm-2:05 pm

2 stops27h 25m

Melbourne

Sat 3/7

7:10 am-9:31 am

2 stops21h 21m

$950

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/11

8:00 pm-12:35 pm

2 stops22h 35m

Melbourne

Wed 3/25

6:05 am-9:31 am

2 stops21h 26m

$953

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 4/9

8:00 pm-11:25 am

2 stops22h 25m

Melbourne

Sat 4/18

8:50 pm-9:33 am

2 stops29h 43m

$954

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

8:00 pm-2:35 pm

2 stops23h 35m

Melbourne

Sat 3/7

8:10 am-9:31 am

2 stops20h 21m

$956

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

8:00 pm-2:15 pm

2 stops23h 15m

Melbourne

Mon 4/20

6:00 am-9:33 am

2 stops20h 33m

$957

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Wed 2/11

3:57 pm-3:50 pm

2 stops28h 53m

Melbourne Avalon

Sun 2/22

6:00 am-6:57 pm

2 stops31h 57m

$2,561

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 1/16

6:00 am-3:50 pm

2 stops38h 50m

Melbourne Avalon

Mon 2/2

8:10 am-5:52 pm

2 stops28h 42m

$2,711

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 3/20

2:53 pm-3:50 pm

2 stops30h 57m

Melbourne Avalon

Mon 3/30

2:55 pm-8:42 pm

2 stops23h 47m

$2,779

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Fri 2/13

3:50 pm-3:50 pm

2 stops29h 00m

Melbourne Avalon

Sat 2/28

4:25 pm-7:58 pm

2 stops22h 33m

$2,847

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 $1,108. The month of March is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,185.

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 $1,351 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 $817 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	19h 48m
Direct flights	None

The fastest flight from Seattle to Melbourne takes 19h 48m

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. 19h 48m 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 December 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
Alaska Airlines	PriceFrom $97	Free Cancellation	Rating 8.0 11,552 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $828	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,042	Free Cancellation	Rating 7.5 957 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,097	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines 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.