What airlines fly to Melbourne?

United Airlines, Qantas Airways and Delta 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 69% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 6 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?

American 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 6 as of September 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.

$510 Cheap Flights from Seattle to Melbourne in 2026

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.

8:00 pm - 6:45 amSEA Seattle/Tacoma Intl-MEL Melbourne

40h 45m1 stop Los Angeles

1:45 pm - 6:54 pmMEL Melbourne-SEA Seattle/Tacoma Intl

24h 09m2 stops Nadi Los Angeles

$1,010Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

10:07 am - 6:45 amSEA Seattle/Tacoma Intl-MEL Melbourne

26h 38m1 stop Los Angeles

1:45 pm - 9:12 pmMEL Melbourne-SEA Seattle/Tacoma Intl

26h 27m2 stops Nadi Los Angeles

$1,013Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

7:25 pm - 9:15 amSEA Seattle/Tacoma Intl-MEL Melbourne

19h 50m1 stop San Francisco

11:45 am - 12:20 pmMEL Melbourne-SEA Seattle/Tacoma Intl

18h 35m1 stop San Francisco

$1,098United Airlines

Wed, Oct 21 - Wed, Oct 28

5:21 pm - 9:15 amSEA Seattle/Tacoma Intl-MEL Melbourne

21h 54m1 stop San Francisco

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

27h 02m1 stop San Francisco

$1,099United Airlines

Mon, Oct 19 - Tue, Nov 3

4:45 pm - 10:05 amSEA Seattle/Tacoma Intl-MEL Melbourne

22h 20m2 stops San Francisco Sydney Kingsford Smith

10:45 pm - 12:06 amMEL Melbourne-SEA Seattle/Tacoma Intl

20h 21m1 stop Los Angeles

$1,112Qantas Airways

Wed, Feb 17 - Sun, Feb 28

2:30 pm - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

22h 30m1 stop Los Angeles

10:10 am - 4:59 pmMEL Melbourne-SEA Seattle/Tacoma Intl

25h 49m1 stop Los Angeles

$1,132Delta

Sat, Jan 23 - Thu, Feb 18

2:30 pm - 8:00 amSEA Seattle/Tacoma Intl-MEL Melbourne

22h 30m1 stop Los Angeles

10:10 am - 2:47 pmMEL Melbourne-SEA Seattle/Tacoma Intl

23h 37m1 stop Los Angeles

$1,132Delta

Sat, Jan 23 - Sun, Feb 14

7:36 pm - 8:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

43h 19m2 stops San Francisco Auckland Intl

3:00 pm - 6:21 pmMEL Melbourne-SEA Seattle/Tacoma Intl

45h 21m2 stops Auckland Intl San Francisco

$1,199Air New Zealand

Sat, Oct 24 - Sat, Oct 31

12:34 pm - 10:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

27h 21m2 stops Los Angeles Auckland Intl

10:20 am - 9:56 pmMEL Melbourne-SEA Seattle/Tacoma Intl

30h 36m2 stops Auckland Intl Los Angeles

$1,220Air New Zealand

Thu, Dec 31 - Tue, Feb 9

3:40 pm - 4:35 pmSEA Seattle/Tacoma Intl-MEL Melbourne

29h 55m2 stops Los Angeles Sydney Kingsford Smith

10:45 pm - 11:00 pmMEL Melbourne-SEA Seattle/Tacoma Intl

19h 15m1 stop Los Angeles

$1,389Qantas Airways

Thu, Dec 31 - Tue, Feb 9

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 11:40 amSEA Seattle/Tacoma Intl-MEL Melbourne

23h 25m2 stops Vancouver Intl Brisbane

9:40 pm - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

29h 25m2 stops Brisbane Vancouver Intl

$1,222Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

7:15 pm - 11:40 amSEA Seattle/Tacoma Intl-MEL Melbourne

23h 25m2 stops Vancouver Intl Brisbane

9:40 pm - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

29h 25m2 stops Brisbane Vancouver Intl

$1,222Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

11:45 am - 5:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

25h 10m1 stop Hong Kong Intl

2:25 pm - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

36h 40m1 stop Hong Kong Intl

$1,341Cathay Pacific

Wed, Sep 16 - Tue, Sep 22

11:45 am - 5:55 amSEA Seattle/Tacoma Intl-MEL Melbourne

25h 10m1 stop Hong Kong Intl

2:25 pm - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

36h 40m1 stop Hong Kong Intl

$1,345Cathay Pacific

Wed, Sep 16 - Tue, Sep 22

7:56 pm - 10:15 pmSEA Seattle/Tacoma Intl-MEL Melbourne

33h 19m2 stops Vancouver Intl Hong Kong Intl

7:25 am - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

43h 40m1 stop Hong Kong Intl

$1,346Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

7:24 pm - 10:15 pmSEA Seattle/Tacoma Intl-MEL Melbourne

33h 51m2 stops San Francisco Hong Kong Intl

2:25 pm - 10:05 amMEL Melbourne-SEA Seattle/Tacoma Intl

36h 40m1 stop Hong Kong Intl

$1,367Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

1:13 pm - 10:15 pmSEA Seattle/Tacoma Intl-MEL Melbourne

40h 02m2 stops Los Angeles Hong Kong Intl

9:35 pm - 4:10 pmMEL Melbourne-SEA Seattle/Tacoma Intl

35h 35m3 stops Singapore Changi Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,561Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

12:30 am - 5:30 amSEA Seattle/Tacoma Intl-MEL Melbourne

36h 00m3 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City Bandar Seri Begawan Brunei Intl

9:35 pm - 4:10 pmMEL Melbourne-SEA Seattle/Tacoma Intl

35h 35m3 stops Singapore Changi Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,662Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

7:20 am - 7:35 amSEA Seattle/Tacoma Intl-MEL Melbourne

31h 15m2 stops Honolulu Sydney Kingsford Smith

6:35 am - 6:33 pmMEL Melbourne-SEA Seattle/Tacoma Intl

28h 58m3 stops Auckland Intl Papeete Faaa Los Angeles

$1,838Multiple Airlines

Wed, Sep 16 - Tue, Sep 22

12:55 pm - 12:40 pmSEA Seattle/Tacoma Intl-MEL Melbourne

30h 45m2 stops Los Angeles Sydney Kingsford Smith

4:45 pm - 12:25 pmMEL Melbourne-SEA Seattle/Tacoma Intl

36h 40m2 stops Sydney Kingsford Smith Los Angeles

$3,991Qantas Airways

Sun, Sep 13 - Tue, Sep 15

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Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets

Delta

Jan 23

SEA12:00 pmSeattle/Tacoma Intl

25h 00m

1 stop

MEL8:00 amMelbourne

Feb 19

MEL10:10 amMelbourne

23h 37m

1 stop

SEA2:47 pmSeattle/Tacoma Intl

$1,132

Delta

Nov 7

SEA2:30 pmSeattle/Tacoma Intl

22h 30m

1 stop

MEL8:00 amMelbourne

Nov 14

MEL10:10 amMelbourne

25h 41m

1 stop

SEA4:51 pmSeattle/Tacoma Intl

$1,133

Delta

Nov 7

SEA9:42 amSeattle/Tacoma Intl

27h 18m

2 stops

MEL8:00 amMelbourne

Nov 14

MEL10:10 amMelbourne

25h 48m

2 stops

SEA4:58 pmSeattle/Tacoma Intl

$1,137

American Airlines flights from Seattle to Melbourne

Our best American Airlines deals on Seattle to Melbourne flight tickets

American Airlines

Oct 19

SEA10:26 amSeattle/Tacoma Intl

24h 34m

1 stop

MEL5:00 amMelbourne

Nov 3

MEL12:00 pmMelbourne

23h 54m

1 stop

SEA4:54 pmSeattle/Tacoma Intl

$1,075

American Airlines

Oct 19

SEA10:26 amSeattle/Tacoma Intl

24h 34m

1 stop

MEL5:00 amMelbourne

Nov 3

MEL12:00 pmMelbourne

23h 54m

1 stop

SEA4:54 pmSeattle/Tacoma Intl

$1,085

American Airlines

Oct 19

SEA11:44 amSeattle/Tacoma Intl

25h 01m

2 stops

MEL6:45 amMelbourne

Oct 30

MEL8:00 amMelbourne

21h 49m

2 stops

SEA11:49 amSeattle/Tacoma Intl

$1,168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 10/19

8:00 pm-6:45 am

1 stop40h 45m

Melbourne

Tue 11/3

1:45 pm-6:54 pm

2 stops24h 09m

$1,010

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 10/19

10:07 am-6:45 am

1 stop26h 38m

Melbourne

Tue 11/3

1:45 pm-9:12 pm

2 stops26h 27m

$1,013

Quickest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 10/21

7:25 pm-9:15 am

1 stop19h 50m

Melbourne

Wed 10/28

11:45 am-12:20 pm

1 stop18h 35m

$1,098

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 10/19

5:21 pm-9:15 am

1 stop21h 54m

Melbourne

Tue 11/3

12:45 pm-8:47 pm

1 stop27h 02m

$1,099

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 2/17

4:45 pm-10:05 am

2 stops22h 20m

Melbourne

Sun 2/28

10:45 pm-12:06 am

1 stop20h 21m

$1,112

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 1/23

2:30 pm-8:00 am

1 stop22h 30m

Melbourne

Thu 2/18

10:10 am-4:59 pm

1 stop25h 49m

$1,132

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 1/23

2:30 pm-8:00 am

1 stop22h 30m

Melbourne

Sun 2/14

10:10 am-2:47 pm

1 stop23h 37m

$1,132

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 10/24

7:36 pm-8:55 am

2 stops43h 19m

Melbourne

Sat 10/31

3:00 pm-6:21 pm

2 stops45h 21m

$1,199

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 12/31

12:34 pm-10:55 am

2 stops27h 21m

Melbourne

Tue 2/9

10:20 am-9:56 pm

2 stops30h 36m

$1,220

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 12/31

3:40 pm-4:35 pm

2 stops29h 55m

Melbourne

Tue 2/9

10:45 pm-11:00 pm

1 stop19h 15m

$1,389

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 low for flights on this route.

Typical prices usually range from $1,100 to $1,780.
The lowest price recently found on this route was $1,010.

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 $1,057. The month of February is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,062.

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 $1,264 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 $1,044 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	$510
Fastest flight time	23h 25m
Direct flights	None

The best one-way flight to Melbourne from Seattle in the past 72 hours is $510. The best round-trip flight deal from Seattle to Melbourne found on momondo in the last 72 hours is $1,010.

The fastest flight from Seattle to Melbourne takes 23h 25m

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. 23h 25m 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 6 as of September 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
Alaska Airlines	PriceFrom $97	Free Cancellation	Rating 7.9 12,907 reviews	Search Alaska Airlines flights
Delta	PriceFrom $570	Free Cancellation	Rating 7.8 8,556 reviews	Search Delta flights
United Airlines	PriceFrom $1,011	Free Cancellation	Rating 7.4 10,197 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,034	Free Cancellation	Rating 7.5 1,092 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,095	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights
Cathay Pacific	PriceFrom $1,153	Free Cancellation	Rating 7.6 1,480 reviews	Search Cathay Pacific 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 $510

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Seattle to Melbourne

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Delta flights from Seattle to Melbourne

Our best Delta deals on Seattle to Melbourne flight tickets

American Airlines flights from Seattle to Melbourne

Our best American Airlines 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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