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

Alaska Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Melbourne

What airlines fly to Melbourne?

United Airlines, Delta and Qantas Airways 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 58% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 5 different airlines that fly to Melbourne on a routine basis, so you have a few additional options to choose from.

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 5 as of November 2026.

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.

$584 Cheap Flights from Seattle to Melbourne in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Melbourne

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 6:45 amSEA Seattle/Tacoma Intl-MEL Melbourne

30h 45m1 stop Los Angeles

9:30 pm - 8:51 amMEL Melbourne-SEA Seattle/Tacoma Intl

28h 21m1 stop Los Angeles

$1,107Alaska Airlines

Wed, Apr 14 - Sun, Apr 25

1:30 pm - 6:45 amSEA Seattle/Tacoma Intl-MEL Melbourne

24h 15m1 stop Los Angeles

9:30 pm - 11:56 pmMEL Melbourne-SEA Seattle/Tacoma Intl

19h 26m1 stop Los Angeles

$1,107Alaska Airlines

Fri, May 7 - Fri, May 14

7:15 am - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

29h 45m1 stop Los Angeles

10:10 am - 10:33 amMEL Melbourne-SEA Seattle/Tacoma Intl

19h 23m1 stop Los Angeles

$1,287Delta

Tue, Dec 1 - Tue, Dec 22

6:15 am - 8:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

31h 40m2 stops Los Angeles Auckland Intl

7:10 pm - 9:57 pmMEL Melbourne-SEA Seattle/Tacoma Intl

45h 47m2 stops Auckland Intl Vancouver Intl

$1,290Air New Zealand

Sun, Jan 31 - Mon, Feb 22

5:30 am - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

31h 30m2 stops Salt Lake City Los Angeles

10:10 am - 6:52 pmMEL Melbourne-SEA Seattle/Tacoma Intl

27h 42m1 stop Los Angeles

$1,292Delta

Tue, Dec 1 - Tue, Dec 22

7:00 am - 10:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

32h 55m2 stops San Francisco Auckland Intl

7:10 pm - 10:05 pmMEL Melbourne-SEA Seattle/Tacoma Intl

45h 55m2 stops Auckland Intl Los Angeles

$1,297Air New Zealand

Thu, Feb 4 - Sun, Feb 21

11:59 pm - 1:35 pmSEA Seattle/Tacoma Intl-MEL Melbourne

42h 36m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

12:45 pm - 8:47 pmMEL Melbourne-SEA Seattle/Tacoma Intl

27h 02m1 stop San Francisco

$1,324United Airlines

Sat, Nov 21 - Mon, Nov 30

12:20 pm - 9:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

26h 10m1 stop Los Angeles

12:45 pm - 2:39 pmMEL Melbourne-SEA Seattle/Tacoma Intl

20h 54m1 stop San Francisco

$1,342United Airlines

Fri, Nov 20 - Mon, Nov 30

4:40 pm - 12:35 pmSEA Seattle/Tacoma Intl-MEL Melbourne

24h 55m2 stops Los Angeles Brisbane

7:25 am - 1:08 pmMEL Melbourne-SEA Seattle/Tacoma Intl

24h 43m2 stops Sydney Kingsford Smith Los Angeles

$1,386American Airlines

Fri, Nov 20 - Mon, Nov 30

1:38 pm - 10:35 amSEA Seattle/Tacoma Intl-MEL Melbourne

25h 57m2 stops Los Angeles Sydney Kingsford Smith

7:25 am - 1:08 pmMEL Melbourne-SEA Seattle/Tacoma Intl

24h 43m2 stops Sydney Kingsford Smith Los Angeles

$1,392American Airlines

Sat, Nov 21 - Mon, Nov 30

Cheap last minute flights

Enter your travel dates to find the best prices.

1:16 pm - 10:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

26h 14m1 stop San Francisco

11:30 am - 4:12 pmMEL Melbourne-SEA Seattle/Tacoma Intl

23h 42m1 stop Los Angeles

$1,292United Airlines

Wed, Nov 11 - Wed, Nov 18

12:45 pm - 9:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

25h 45m2 stops Denver Intl Los Angeles

12:45 pm - 8:47 pmMEL Melbourne-SEA Seattle/Tacoma Intl

27h 02m1 stop San Francisco

$1,297United Airlines

Wed, Nov 11 - Wed, Nov 18

7:55 pm - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

41h 05m2 stops Salt Lake City Los Angeles

10:10 am - 2:55 pmMEL Melbourne-SEA Seattle/Tacoma Intl

23h 45m2 stops Los Angeles Salt Lake City

$1,342Delta

Fri, Nov 13 - Tue, Nov 24

7:55 pm - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

41h 05m2 stops Salt Lake City Los Angeles

10:10 am - 8:09 pmMEL Melbourne-SEA Seattle/Tacoma Intl

28h 59m1 stop Los Angeles

$1,342Delta

Fri, Nov 13 - Tue, Nov 24

7:30 am - 5:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

26h 30m1 stop Dallas/Fort Worth

8:15 am - 11:41 amMEL Melbourne-SEA Seattle/Tacoma Intl

22h 26m2 stops Sydney Kingsford Smith Los Angeles

$1,357American Airlines

Sun, Nov 15 - Sun, Nov 29

4:30 pm - 11:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

24h 00m2 stops Los Angeles Brisbane

8:00 am - 11:41 amMEL Melbourne-SEA Seattle/Tacoma Intl

22h 41m2 stops Sydney Kingsford Smith Los Angeles

$1,386American Airlines

Sun, Nov 15 - Sun, Nov 29

2:59 pm - 9:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

23h 31m1 stop Los Angeles

9:00 pm - 1:08 pmMEL Melbourne-SEA Seattle/Tacoma Intl

35h 08m2 stops Sydney Kingsford Smith Los Angeles

$1,456Qantas Airways

Sun, Nov 15 - Sun, Nov 29

3:50 pm - 11:20 pmSEA Seattle/Tacoma Intl-MEL Melbourne

36h 30m1 stop Doha Hamad Intl

5:10 pm - 12:15 pmMEL Melbourne-SEA Seattle/Tacoma Intl

38h 05m1 stop Doha Hamad Intl

$1,477Qatar Airways

Sun, Nov 15 - Thu, Nov 19

1:35 pm - 9:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

24h 55m1 stop Los Angeles

9:00 pm - 1:08 pmMEL Melbourne-SEA Seattle/Tacoma Intl

35h 08m2 stops Sydney Kingsford Smith Los Angeles

$1,495Qantas Airways

Sun, Nov 15 - Sun, Nov 29

9:00 pm - 9:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

41h 30m1 stop Los Angeles

9:00 pm - 1:08 pmMEL Melbourne-SEA Seattle/Tacoma Intl

35h 08m2 stops Sydney Kingsford Smith Los Angeles

$1,522Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

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Alaska Airlines flights from Seattle to Melbourne

Our best Alaska Airlines deals on Seattle to Melbourne flight tickets

Alaska Airlines

Apr 14

SEA7:00 amSeattle/Tacoma Intl

30h 45m

1 stop

MEL6:45 amMelbourne

Apr 25

MEL9:30 pmMelbourne

28h 21m

1 stop

SEA8:51 amSeattle/Tacoma Intl

$1,107

Alaska Airlines

May 7

SEA8:00 amSeattle/Tacoma Intl

29h 45m

1 stop

MEL6:45 amMelbourne

May 14

MEL9:30 pmMelbourne

19h 26m

1 stop

SEA11:56 pmSeattle/Tacoma Intl

$1,108

Alaska Airlines

Dec 30

SEA1:15 pmSeattle/Tacoma Intl

25h 15m

1 stop

MEL9:30 amMelbourne

Jan 16

MEL10:45 pmMelbourne

29h 08m

1 stop

SEA8:53 amSeattle/Tacoma Intl

$1,209

Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets

Delta

Dec 1

SEA7:15 amSeattle/Tacoma Intl

29h 45m

1 stop

MEL8:00 amMelbourne

Dec 22

MEL10:10 amMelbourne

19h 23m

1 stop

SEA10:33 amSeattle/Tacoma Intl

$1,287

Delta

Dec 1

SEA5:30 amSeattle/Tacoma Intl

31h 30m

2 stops

MEL8:00 amMelbourne

Dec 22

MEL10:10 amMelbourne

27h 42m

1 stop

SEA6:52 pmSeattle/Tacoma Intl

$1,292

Delta

Nov 22

SEA3:13 pmSeattle/Tacoma Intl

21h 47m

1 stop

MEL8:00 amMelbourne

Dec 3

MEL10:10 amMelbourne

21h 29m

1 stop

SEA12:39 pmSeattle/Tacoma Intl

$1,337

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 4/14

7:00 am-6:45 am

1 stop30h 45m

Melbourne

Sun 4/25

9:30 pm-8:51 am

1 stop28h 21m

$1,107

Quickest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 5/7

1:30 pm-6:45 am

1 stop24h 15m

Melbourne

Fri 5/14

9:30 pm-11:56 pm

1 stop19h 26m

$1,107

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 12/1

7:15 am-8:00 am

1 stop29h 45m

Melbourne

Tue 12/22

10:10 am-10:33 am

1 stop19h 23m

$1,287

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 1/31

6:15 am-8:55 am

2 stops31h 40m

Melbourne

Mon 2/22

7:10 pm-9:57 pm

2 stops45h 47m

$1,290

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 12/1

5:30 am-8:00 am

2 stops31h 30m

Melbourne

Tue 12/22

10:10 am-6:52 pm

1 stop27h 42m

$1,292

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 2/4

7:00 am-10:55 am

2 stops32h 55m

Melbourne

Sun 2/21

7:10 pm-10:05 pm

2 stops45h 55m

$1,297

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 11/21

11:59 pm-1:35 pm

2 stops42h 36m

Melbourne

Mon 11/30

12:45 pm-8:47 pm

1 stop27h 02m

$1,324

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 11/20

12:20 pm-9:30 am

1 stop26h 10m

Melbourne

Mon 11/30

12:45 pm-2:39 pm

1 stop20h 54m

$1,342

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 11/20

4:40 pm-12:35 pm

2 stops24h 55m

Melbourne

Mon 11/30

7:25 am-1:08 pm

2 stops24h 43m

$1,386

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 11/21

1:38 pm-10:35 am

2 stops25h 57m

Melbourne

Mon 11/30

7:25 am-1:08 pm

2 stops24h 43m

$1,392

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 typical price of a round-trip flight between Seattle and Melbourne?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,105 to $1,308.
The lowest price recently found on this route was $1,107.

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 $1,064. The month of July is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,092.

How far in advance should I book a flight from Seattle 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 $1,168 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 $1,031 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	$584
Fastest flight time	21h 47m
Direct flights	None

The best one-way flight to Melbourne from Seattle in the past 72 hours is $584. The best round-trip flight deal from Seattle to Melbourne found on momondo in the last 72 hours is $1,107.

The fastest flight from Seattle to Melbourne takes 21h 47m

There are no direct flights from Seattle to Melbourne. There are no popular flight routes from Seattle to Melbourne.

Search flight deals

Frequently asked questions about flying from Seattle to Melbourne

How far is Seattle/Tacoma Intl to Melbourne by plane?
There are 8184.9 mi between Seattle/Tacoma Intl and Melbourne. 21h 47m 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 5 as of November 2026.
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
Delta	PriceFrom $777	Free Cancellation	Rating 7.8 8,701 reviews	Search Delta flights
American Airlines	PriceFrom $987	Free Cancellation	Rating 7.0 12,225 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,009	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,022	Free Cancellation	Rating 7.5 1,123 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,095	Free Cancellation	Rating 8.0 683 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.

An easier way to manage your Melbourne trip

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Fly into one of these airports located in Melbourne

Melbourne Avalon Airport

Cheap flights from Seattle to Melbourne from $584

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Melbourne departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Seattle to Melbourne

Our best Alaska Airlines deals on Seattle to Melbourne flight tickets

Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets

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Use the filters below to find and compare flights from Seattle to Melbourne that are best for you.

See travel insights to Melbourne from

How to get the cheapest flight ticket from Seattle to Melbourne

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

What is the cheapest month to fly to Melbourne?

How far in advance should I book a flight from Seattle to Melbourne?

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

What airlines fly to Melbourne?

Cheap Seattle to Melbourne flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Melbourne

Best airlines flying from Seattle to Melbourne

Compare and see reviews for airlines that fly from Seattle to Melbourne with momondo

Why use momondo?

An easier way to manage your Melbourne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 31.3 mi from Melbourne

Fly your favorite airline to Melbourne

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Seattle

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year