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Cheap flights from Seattle to Melbourne Airport from C$ 952

SEA — MEL
10 Dec — 17 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 9/1112:31 p.m. -
1 stop24h 29m
Wed 25/1110:10 a.m. -
1 stop25h 41m
Deal found 8/11C$ 1,790
Mon 9/114:39 p.m. -
1 stop21h 51m
Wed 25/1111:30 a.m. -
1 stop23h 42m
Deal found 8/11C$ 1,796
Mon 9/1112:31 p.m. -
1 stop24h 29m
Mon 23/1110:10 a.m. -
1 stop25h 41m
Deal found 8/11C$ 1,816
Mon 9/117:15 a.m. -
1 stop29h 45m
Mon 16/1110:10 a.m. -
1 stop24h 00m
Deal found 6/11C$ 1,817
Wed 11/1112:45 p.m. -
2 stops25h 45m
Wed 18/1111:30 a.m. -
2 stops25h 27m
Deal found 8/11C$ 1,830
Thu 24/122:27 p.m. -
1 stop24h 03m
Wed 13/110:45 p.m. -
1 stop29h 08m
Deal found 8/11C$ 1,831
Sat 21/1111:59 p.m. -
2 stops42h 36m
Mon 30/1112:45 p.m. -
1 stop27h 02m
Deal found 7/11C$ 1,868
Sun 22/113:13 p.m. -
1 stop21h 47m
Thu 3/1210:10 a.m. -
1 stop21h 29m
Deal found 9/11C$ 1,886
Tue 17/1110:12 a.m. -
1 stop26h 48m
Sat 19/1210:10 a.m. -
1 stop31h 02m
Deal found 9/11C$ 1,895

Find flight deals from Seattle to Melbourne

Round-trip from

C$ 1,563

One-way from

C$ 952

Popular in

December

Cheapest in

February

Average price

C$ 1,690
Alaska Airlines
  • Alaska Airlines
  • 7/5-14/5
  • 2 total stops
  • 41h 31m total
  • Seattle to Melbourne
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United Airlines
  • United Airlines
  • 1/12-31/12
  • 1 total stop
  • 21h 55m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 315 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 88 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
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

Cheapest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 14/2

3:32 p.m.-10:30 a.m.

1 stop23h 58m

Melbourne

Wed 31/12

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

Nonstop0h 00m

C$ 1,054

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$ 1,201

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$ 1,201

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$ 1,295

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$ 1,330

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$ 1,377

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$ 1,393
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$ 1,415

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 14/12

7:15 a.m.-8:00 a.m.

1 stop29h 45m

Melbourne

Wed 31/12

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

Nonstop0h 00m

C$ 1,415

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Fri 7/5

11:20 a.m.-6:45 a.m.

2 stops26h 25m

Melbourne

Fri 14/5

9:30 p.m.-11:56 p.m.

1 stop19h 26m

C$ 1,806

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 18 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 Airport

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

The price you pay for your flight from Seattle to Melbourne Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of C$ 1,501). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of C$ 2,329). 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 Airport?

Airfare is typical for this route at the moment.

Seattle to Melbourne Airport flights typically cost between C$ 1,559 and C$ 1,845 in May.
The cheapest round-trip price found within the last 5 days was C$ 1,563 on Alaska Airlines (7 May-14 May).

Reviews of airlines servicing Melbourne

See what other customers who have flown with United Airlines from Seattle to Melbourne Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,471 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.3

Crew

8.1

Boarding

7.7

Food

6.7

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
10,471 reviews
United Airlines
7.3
Good
10,471 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.3

Crew

8.1

Boarding

7.7

Food

6.7

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?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Melbourne. On average, Seattle/Tacoma Intl has 0 outbound flights to Melbourne per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Melbourne Airport?

    Alaska Airlines, Delta, and United Airlines can get you from Seattle to Melbourne Airport in just under 26h 10m. Your travel time can differ by up to 1h 06m. There are 13164 km between Seattle and Melbourne Airport. This flight may include one or multiple stops.

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

    According to our current data, United Airlines (C$ 1,412), offers the cheapest pricing from Seattle to Melbourne Airport. 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 Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of C$ 1,501). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of C$ 2,329). 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

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Tullamarine
Torquay

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Melbourne

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,412AverageC$ 1,527FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Need flexible booking options for your flight to Melbourne from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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