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Cheap flights from Seattle to Melbourne from C$ 983

SEA — MEL
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Melbourne

Mon 9/119:25 a.m. -
2 stops27h 35m
Wed 25/1110:10 a.m. -
2 stops27h 31m
Deal found 8/11C$ 1,796
Mon 9/114:39 p.m. -
1 stop21h 51m
Wed 25/1111:30 a.m. -
1 stop23h 42m
Deal found 8/11C$ 1,801
Mon 9/1112:31 p.m. -
1 stop24h 29m
Wed 18/1110:10 a.m. -
1 stop24h 00m
Deal found 8/11C$ 1,821
Mon 9/117:15 a.m. -
1 stop29h 45m
Mon 16/1110:10 a.m. -
1 stop24h 00m
Deal found 6/11C$ 1,822
Thu 24/122:27 p.m. -
1 stop24h 03m
Wed 13/110:45 p.m. -
1 stop29h 08m
Deal found 11/11C$ 1,834
Wed 11/1112:45 p.m. -
2 stops25h 45m
Wed 18/1112:45 p.m. -
1 stop27h 02m
Deal found 8/11C$ 1,835
Sat 21/1111:59 p.m. -
2 stops42h 36m
Mon 30/1112:45 p.m. -
1 stop27h 02m
Deal found 7/11C$ 1,873
Sun 22/113:13 p.m. -
1 stop21h 47m
Thu 3/1210:10 a.m. -
1 stop21h 29m
Deal found 10/11C$ 1,890

Find flight deals from Seattle to Melbourne

Round-trip from

C$ 1,565

One-way from

C$ 983

Popular in

December

Cheapest in

February

Average price

C$ 1,695
Alaska Airlines
  • Alaska Airlines
  • 7/5-14/5
  • 2 total stops
  • 41h 31m total
  • Seattle to Melbourne
Search Deals
5/4-31/12
  • 5/4-31/12
  • 2 total stops
  • 35h 45m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 5/4

5:30 p.m.-10:15 p.m.

2 stops35h 45m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 983

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 20/1

3:51 p.m.-9:35 a.m.

2 stops22h 44m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,022

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 20/1

1:18 p.m.-10:30 a.m.

1 stop26h 12m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,204

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 25/1

1:18 p.m.-10:30 a.m.

1 stop26h 12m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,204

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 8/1

7:05 p.m.-8:45 p.m.

2 stops54h 40m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,269

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 11/1

3:50 p.m.-11:20 p.m.

1 stop36h 30m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,299

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 27/12

2:00 p.m.-8:00 a.m.

1 stop23h 00m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,334

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 17/1

3:50 p.m.-5:50 p.m.

1 stop31h 00m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,381

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 3/1

3:50 p.m.-5:45 a.m.

1 stop42h 55m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,397
Quickest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 22/1

5:51 p.m.-8:00 a.m.

1 stop19h 09m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Seattle to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Melbourne

What is the cheapest month to book a flight from Seattle to Melbourne?

Currently, February is the cheapest month in which you can book a flight from Seattle to Melbourne (average of C$ 1,505). Flying from Seattle to Melbourne in December is currently the most expensive (average of C$ 2,336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Seattle to Melbourne?

Airfare is typical for this route at the moment.
Seattle to Melbourne flights typically cost between C$ 1,563 and C$ 1,851 in May.
The cheapest round-trip price found within the last 5 days was C$ 1,565 on Alaska Airlines (7 May-14 May).

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

To ensure you get the cheapest price possible for a flight from Seattle to Melbourne, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Melbourne

Read through reviews of airlines operating flights from Seattle to Melbourne, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,474 reviews
Check prices

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,474 reviews
United Airlines
7.3
Good
10,474 reviews
Check prices

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Melbourne?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Melbourne. 1 airline have flights from Seattle/Tacoma Intl to Melbourne on a regular basis. Booking flights from Seattle/Tacoma Intl to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

  • How long is the flight from Seattle to Melbourne?

    For as low as C$ 1,808, Alaska Airlines can have you in Melbourne from Seattle in 23h 55m. There are 13164 km between Seattle and Melbourne. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Seattle to Melbourne round-trip?

    United Airlines, at C$ 1,416, was found to be the cheapest airline from Seattle to Melbourne.. United Airlines is priced at 14% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Melbourne that include hotel bookings?

    Yes. In addition to deals on Seattle to Melbourne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Melbourne.

  • Can I find deals for business class flights from Seattle to Melbourne?

    Yes. Cheapflights offers flight deals from Seattle to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Melbourne?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Melbourne (average of C$ 1,505). Flying from Seattle to Melbourne in December is currently the most expensive (average of C$ 2,336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Melbourne

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,416AverageC$ 1,531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Cheapflights helps you search for flights from Seattle to Melbourne via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Melbourne.

Can Cheapflights find flights from Seattle to Melbourne with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Melbourne, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Melbourne become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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