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

Air Canada, Philippine Airlines, and Qantas Airways are the most popular carriers operating from Seattle/Tacoma Intl to Melbourne

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.

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 August 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.

$385 Cheap Flights from Seattle to Melbourne in 2025

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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 - 2:15 pmSEA-MEL

23h 15m2 stops

8:10 am - 2:26 pmMEL-SEA

25h 16m2 stops

$812Air Canada

Find Deal

Sat, Nov 8 - Sat, Nov 15

8:00 pm - 1:35 pmSEA-MEL

22h 35m2 stops

8:10 am - 10:06 pmMEL-SEA

32h 56m2 stops

$823Air Canada

Find Deal

Sun, Feb 15 - Mon, Feb 23

3:40 pm - 2:45 pmSEA-MEL

28h 05m2 stops

6:40 am - 9:31 amMEL-SEA

21h 51m2 stops

$826

Find Deal

Sat, Nov 8 - Mon, Nov 17

8:00 pm - 2:45 pmSEA-MEL

23h 45m2 stops

8:10 am - 9:31 amMEL-SEA

20h 21m2 stops

$852

Find Deal

Sat, Nov 8 - Mon, Nov 17

11:35 pm - 5:00 amSEA-MEL

36h 25m1 stop

9:00 am - 7:15 pmMEL-SEA

28h 15m1 stop

$911Philippine Airlines

Find Deal

Wed, Sep 10 - Sun, Oct 5

5:12 pm - 9:30 amSEA-MEL

21h 18m1 stop

1:00 pm - 2:06 pmMEL-SEA

20h 06m1 stop

$1,013United Airlines

Find Deal

Sat, Feb 7 - Thu, Feb 26

12:46 pm - 10:00 amSEA-MEL

26h 14m2 stops

1:00 pm - 9:12 pmMEL-SEA

27h 12m2 stops

$1,017United Airlines

Find Deal

Sat, Feb 21 - Sat, Mar 7

11:35 pm - 5:00 amSEA-MEL

36h 25m1 stop

9:00 am - 7:15 pmMEL-SEA

28h 15m1 stop

$1,032Philippine Airlines

Find Deal

Wed, Sep 17 - Sun, Oct 12

3:23 pm - 10:35 amSEA-MEL

26h 12m2 stops

2:30 pm - 9:58 pmMEL-SEA

24h 28m2 stops

$1,092Qantas Airways

Find Deal

Fri, Sep 12 - Fri, Sep 19

3:23 pm - 10:20 amSEA-MEL

25h 57m2 stops

11:55 am - 2:49 pmMEL-SEA

20h 54m1 stop

$1,101Qantas Airways

Find Deal

Wed, Sep 24 - Wed, Oct 8

Air Canada flights from Seattle to Melbourne

Our best Air Canada deals on Seattle to Melbourne flight tickets

Air Canada

Nov 8

SEA8:00 pmSeattle/Tacoma Intl

23h 15m

2 stops

MEL2:15 pmMelbourne

Nov 15

MEL8:10 amMelbourne

25h 16m

2 stops

SEA2:26 pmSeattle/Tacoma Intl

$812

Find similar

Air Canada

Feb 15

SEA8:00 pmSeattle/Tacoma Intl

22h 35m

2 stops

MEL1:35 pmMelbourne

Feb 23

MEL8:10 amMelbourne

32h 56m

2 stops

SEA10:06 pmSeattle/Tacoma Intl

$823

Find similar

Air Canada

Dec 12

SEA8:00 pmSeattle/Tacoma Intl

23h 15m

2 stops

MEL2:15 pmMelbourne

Dec 23

MEL6:50 pmMelbourne

33h 41m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$853

Find similar

United Airlines flights from Seattle to Melbourne

Our best United Airlines deals on Seattle to Melbourne flight tickets

United Airlines

Feb 7

SEA5:12 pmSeattle/Tacoma Intl

21h 18m

1 stop

MEL9:30 amMelbourne

Feb 26

MEL1:00 pmMelbourne

20h 06m

1 stop

SEA2:06 pmSeattle/Tacoma Intl

$1,013

Find similar

United Airlines

Feb 21

SEA12:46 pmSeattle/Tacoma Intl

26h 14m

2 stops

MEL10:00 amMelbourne

Mar 7

MEL1:00 pmMelbourne

27h 12m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

$1,017

Find similar

United Airlines

Feb 15

SEA3:00 pmSeattle/Tacoma Intl

23h 30m

1 stop

MEL9:30 amMelbourne

Feb 22

MEL1:00 pmMelbourne

26h 54m

1 stop

SEA8:54 pmSeattle/Tacoma Intl

$1,125

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/8

8:00 pm-2:15 pm

2 stops23h 15m

Melbourne

Sat 11/15

8:10 am-2:26 pm

2 stops25h 16m

$812

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 2/15

8:00 pm-1:35 pm

2 stops22h 35m

Melbourne

Mon 2/23

8:10 am-10:06 pm

2 stops32h 56m

$823

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/8

3:40 pm-2:45 pm

2 stops28h 05m

Melbourne

Mon 11/17

6:40 am-9:31 am

2 stops21h 51m

$826

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 11/8

8:00 pm-2:45 pm

2 stops23h 45m

Melbourne

Mon 11/17

8:10 am-9:31 am

2 stops20h 21m

$852

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 9/10

11:35 pm-5:00 am

1 stop36h 25m

Melbourne

Sun 10/5

9:00 am-7:15 pm

1 stop28h 15m

$911

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/7

5:12 pm-9:30 am

1 stop21h 18m

Melbourne

Thu 2/26

1:00 pm-2:06 pm

1 stop20h 06m

$1,013

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

12:46 pm-10:00 am

2 stops26h 14m

Melbourne

Sat 3/7

1:00 pm-9:12 pm

2 stops27h 12m

$1,017

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 9/17

11:35 pm-5:00 am

1 stop36h 25m

Melbourne

Sun 10/12

9:00 am-7:15 pm

1 stop28h 15m

$1,032

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 9/12

3:23 pm-10:35 am

2 stops26h 12m

Melbourne

Fri 9/19

2:30 pm-9:58 pm

2 stops24h 28m

$1,092

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 9/24

3:23 pm-10:20 am

2 stops25h 57m

Melbourne

Wed 10/8

11:55 am-2:49 pm

1 stop20h 54m

$1,101

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, June 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 $1,231. The month of August is another great option to travel to Melbourne, with average flight prices from Seattle averaging around $1,238.

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 $1,408 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 $1,046 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. 21h 18m 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 August 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 $909	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,042	Free Cancellation	Rating 7.5 904 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,108	Free Cancellation	Rating 7.4 8,943 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.