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Cheap flights from Seattle to Melbourne from $422

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 8/23. 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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Cheap round-trip flights

Air Canada Logo
8:00 pm - 2:15 pmSEA-MEL
23h 15m2 stops
Air Canada Logo
8:10 am - 2:26 pmMEL-SEA
25h 16m2 stops
$814Air Canada
Find Deal
Tue, Feb 10 - Fri, Feb 27
Logo
7:15 pm - 12:35 pmSEA-MEL
23h 20m2 stops
Logo
8:10 am - 2:26 pmMEL-SEA
25h 16m2 stops
$845
Find Deal
Sat, Oct 18 - Sun, Nov 9
Air Canada Logo
8:00 pm - 2:45 pmSEA-MEL
23h 45m2 stops
Air Canada Logo
6:50 pm - 7:16 pmMEL-SEA
43h 26m2 stops
$856Air Canada
Find Deal
Fri, Dec 12 - Tue, Dec 23
Air Canada Logo
10:05 am - 2:15 pmSEA-MEL
33h 10m2 stops
Air Canada Logo
10:00 am - 2:26 pmMEL-SEA
23h 26m2 stops
$867Air Canada
Find Deal
Mon, Dec 15 - Thu, Dec 25
Qantas Airways Logo
3:35 pm - 9:30 amSEA-MEL
22h 55m1 stop
Qantas Airways Logo
12:00 pm - 12:56 pmMEL-SEA
19h 56m1 stop
$956Qantas Airways
Find Deal
Tue, Feb 10 - Fri, Feb 27
Philippine Airlines Logo
11:35 pm - 6:30 amSEA-MEL
37h 55m1 stop
Philippine Airlines Logo
8:00 am - 7:15 pmMEL-SEA
28h 15m1 stop
$992Philippine Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
Qantas Airways Logo
6:05 pm - 9:20 amSEA-MEL
22h 15m2 stops
Qantas Airways Logo
6:05 pm - 10:15 pmMEL-SEA
22h 10m2 stops
$1,042Qantas Airways
Find Deal
Tue, Sep 30 - Tue, Oct 7
Philippine Airlines Logo
11:35 pm - 7:30 amSEA-MEL
37h 55m1 stop
Philippine Airlines Logo
9:00 am - 7:15 pmMEL-SEA
28h 15m1 stop
$1,129Philippine Airlines
Find Deal
Sun, Oct 12 - Sun, Oct 19
Air New Zealand Logo
5:26 pm - 10:50 amSEA-MEL
47h 24m2 stops
Air New Zealand Logo
10:35 am - 5:15 pmMEL-SEA
24h 40m2 stops
$1,173Air New Zealand
Find Deal
Sat, Oct 11 - Sun, Nov 2
Air New Zealand Logo
5:26 pm - 10:50 amSEA-MEL
47h 24m2 stops
Air New Zealand Logo
8:35 am - 6:45 pmMEL-SEA
28h 10m2 stops
$1,174Air New Zealand
Find Deal
Sat, Oct 11 - Mon, Oct 20

Air Canada flights from Seattle to Melbourne Airport

Our best Air Canada deals on Seattle to Melbourne Airport flight tickets
Air Canada
Feb 10
SEA8:00 pmSeattle/Tacoma Intl
23h 15m
2 stops
MEL2:15 pmMelbourne
Feb 27
MEL8:10 amMelbourne
25h 16m
2 stops
SEA2:26 pmSeattle/Tacoma Intl
$814
Find similar
Air Canada
Dec 12
SEA8:00 pmSeattle/Tacoma Intl
23h 45m
2 stops
MEL2:45 pmMelbourne
Dec 23
MEL6:50 pmMelbourne
43h 26m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$856
Find similar
Air Canada
Dec 15
SEA10:05 amSeattle/Tacoma Intl
33h 10m
2 stops
MEL2:15 pmMelbourne
Dec 25
MEL10:00 amMelbourne
23h 26m
2 stops
SEA2:26 pmSeattle/Tacoma Intl
$867
Find similar

Qantas Airways flights from Seattle to Melbourne Airport

Our best Qantas Airways deals on Seattle to Melbourne Airport flight tickets
Qantas Airways
Feb 10
SEA3:35 pmSeattle/Tacoma Intl
22h 55m
1 stop
MEL9:30 amMelbourne
Feb 27
MEL12:00 pmMelbourne
19h 56m
1 stop
SEA12:56 pmSeattle/Tacoma Intl
$956
Find similar
Qantas Airways
Sep 30
SEA6:05 pmSeattle/Tacoma Intl
22h 15m
2 stops
MEL9:20 amMelbourne
Oct 7
MEL6:05 pmMelbourne
22h 10m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
$1,042
Find similar
Qantas Airways
Sep 30
SEA6:05 pmSeattle/Tacoma Intl
22h 15m
2 stops
MEL9:20 amMelbourne
Oct 7
MEL3:30 pmMelbourne
22h 37m
2 stops
SEA8:07 pmSeattle/Tacoma Intl
$1,043
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Melbourne Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Seattle to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

8:00 pm-2:15 pm

2 stops23h 15m

Melbourne

Fri 2/27

8:10 am-2:26 pm

2 stops25h 16m

$814

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 10/18

7:15 pm-12:35 pm

2 stops23h 20m

Melbourne

Sun 11/9

8:10 am-2:26 pm

2 stops25h 16m

$845

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 12/12

8:00 pm-2:45 pm

2 stops23h 45m

Melbourne

Tue 12/23

6:50 pm-7:16 pm

2 stops43h 26m

$856

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 12/15

10:05 am-2:15 pm

2 stops33h 10m

Melbourne

Thu 12/25

10:00 am-2:26 pm

2 stops23h 26m

$867

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

3:35 pm-9:30 am

1 stop22h 55m

Melbourne

Fri 2/27

12:00 pm-12:56 pm

1 stop19h 56m

$956

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 9/14

11:35 pm-6:30 am

1 stop37h 55m

Melbourne

Sun 9/21

8:00 am-7:15 pm

1 stop28h 15m

$992

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 9/30

6:05 pm-9:20 am

2 stops22h 15m

Melbourne

Tue 10/7

6:05 pm-10:15 pm

2 stops22h 10m

$1,042

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 10/12

11:35 pm-7:30 am

1 stop37h 55m

Melbourne

Sun 10/19

9:00 am-7:15 pm

1 stop28h 15m

$1,129

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 10/11

5:26 pm-10:50 am

2 stops47h 24m

Melbourne

Sun 11/2

10:35 am-5:15 pm

2 stops24h 40m

$1,173

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 10/11

5:26 pm-10:50 am

2 stops47h 24m

Melbourne

Mon 10/20

8:35 am-6:45 pm

2 stops28h 10m

$1,174

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

How to get the cheapest flight ticket from Seattle to Melbourne Airport

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

What is the cheapest month to fly to Melbourne Airport?

The month of June is, on average, the cheapest month to fly to Melbourne Airport from Seattle, with most prices found around $1,231. The month of February is another great option to travel to Melbourne Airport, with average flight prices from Seattle averaging around $1,255.

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

On average, the least expensive day to fly to Melbourne Airport 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. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Melbourne Airport for around $1,470.

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

According to our data, the cheapest time of day to fly to Melbourne Airport is in the evening. momondo users have found flights departing from Seattle to Melbourne Airport in the evening for as low as $1,313. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,514. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Melbourne Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne Airport for around $1,416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne Airport from Seattle for as low as $1,046 on momondo.

Can stopping save me money on Seattle to Melbourne Airport flights?

You could potentially save up to 44% on your flight if you consider stops on a Seattle to Melbourne Airport flight.

How have Seattle to Melbourne Airport flight prices changed over time?

As of August 2025, prices for Seattle to Melbourne Airport flights are approximately 53% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Melbourne Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Melbourne Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Melbourne Airport (SEA to MEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Melbourne Airport

Best Price Found

$422

Fastest flight time

20h 46m

Direct flights

None
The best one-way flight to Melbourne Airport from Seattle in the past 72 hours is $422. The best round-trip flight deal from Seattle to Melbourne Airport found on momondo in the last 72 hours is $814.
The fastest flight from Seattle to Melbourne Airport takes 20h 46m
There are no direct flights from Seattle to Melbourne Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Melbourne Airport.
Search flight deals

  • How far is Seattle/Tacoma Intl to Melbourne by plane?

    There are 8183.9 mi between Seattle/Tacoma Intl and Melbourne. Typically, this will take 21h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Melbourne Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Melbourne Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Melbourne Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Melbourne Airport?

    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 Airport.

  • What documentation or ID do you need to fly to Melbourne Airport?

    The travel and health documents you'll need for your trip to Melbourne Airport 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 Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Melbourne Airport?

Best airlines flying from Seattle to Melbourne Airport

Compare and see reviews for airlines that fly from Seattle to Melbourne Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $909Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,042Free CancellationRating
7.5
896 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,108Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Air New ZealandPriceFrom $1,516Free CancellationRating
8.0
504 reviews
Search Air New Zealand flights

Traveling to a place near Melbourne?

Book flights to Melbourne if you plan to visit one of these locations
Tullamarine
Dandenong
Apollo Bay
Geelong
Shepparton
Sorrento
Mornington
Torquay
Ballarat
Phillip Island
Lorne
Brighton
Doncaster
Daylesford
St Kilda

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?

Flights from Seattle to Melbourne with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Melbourne?

Once you have performed a search for Seattle to Melbourne flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Melbourne right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Melbourne, momondo offers a useful price alert feature which will track prices for flights to Melbourne from Seattle and alert you when they change.

An easier way to manage your Melbourne Airport 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.
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