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$546+ Cheap flights from Seattle (SEA) to Melbourne (MEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Seattle to Melbourne

Cheapest flights from Seattle to Melbourne
Explore the most affordable flight options available from Seattle to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:40 am
SEA
-
MEL
2 stops26h 05m
American Airlines
Tue 8/259:45 am
MEL
-
SEA
1 stop23h 47m
American Airlines
Deal found 4/28$1,074
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:57 pm
SEA
-
MEL
1 stop24h 48m
American Airlines
Fri 10/239:45 am
MEL
-
SEA
1 stop20h 40m
American Airlines
Deal found 4/28$1,081
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:02 pm
SEA
-
MEL
1 stop20h 43m
American Airlines
Sat 8/299:45 am
MEL
-
SEA
1 stop23h 47m
American Airlines
Deal found 4/29$1,082
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:29 am
SEA
-
MEL
1 stop28h 46m
United Airlines
Mon 8/2410:55 am
MEL
-
SEA
1 stop18h 28m
United Airlines
Deal found 4/28$1,085
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:03 am
SEA
-
MEL
2 stops26h 42m
American Airlines
Wed 6/39:45 am
MEL
-
SEA
2 stops24h 59m
American Airlines
Deal found 4/27$1,086
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:10 am
SEA
-
MEL
1 stop31h 35m
American Airlines
Thu 5/219:45 am
MEL
-
SEA
1 stop21h 12m
American Airlines
Deal found 4/26$1,089
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:04 pm
SEA
-
MEL
1 stop21h 26m
United Airlines
Wed 8/129:30 am
MEL
-
SEA
1 stop19h 03m
United Airlines
Deal found 4/28$1,092
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:50 pm
SEA
-
MEL
2 stops26h 25m
United Airlines
Tue 6/1610:55 am
MEL
-
SEA
1 stop20h 35m
United Airlines
Deal found 4/27$1,097
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:55 pm
SEA
-
MEL
1 stop19h 55m
Delta
Tue 10/1311:00 am
MEL
-
SEA
1 stop21h 47m
Delta
Deal found 4/28$1,100
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:40 am
SEA
-
MEL
2 stops29h 10m
Delta
Fri 10/2311:00 am
MEL
-
SEA
2 stops25h 30m
Delta
Deal found 4/27$1,104
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:25 pm
SEA
-
MEL
1 stop41h 25m
Delta
Tue 11/1012:00 pm
MEL
-
SEA
1 stop23h 59m
Delta
Deal found 4/28$1,105

Find flight deals from Seattle to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,057
(oojo)

One-way from

$546
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,318
Provider with most accurate pricing for Seattle/Tacoma Intl-Melbourne flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Melbourne flights.
Search Deals
From Seattle/Tacoma Intl to Melbourne
Search Deals
One-way flight from Seattle/Tacoma Intl to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Melbourne 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, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
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 - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 8/15

5:22 pm-8:15 am

1 stop21h 53m

Melbourne

Thu 9/3

10:55 am-2:22 pm

1 stop20h 27m

$1,092

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 8/15

10:54 am-8:15 am

1 stop28h 21m

Melbourne

Sun 8/30

9:30 am-11:33 am

1 stop19h 03m

$1,092

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 6/9

11:02 am-8:15 am

2 stops28h 13m

Melbourne

Tue 6/16

10:55 am-5:59 pm

2 stops24h 04m

$1,097

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 6/7

5:00 am-8:15 am

2 stops34h 15m

Melbourne

Wed 6/17

10:55 am-12:34 pm

1 stop18h 39m

$1,097

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 10/5

1:30 pm-8:50 am

2 stops25h 20m

Melbourne

Tue 10/13

11:00 am-4:53 pm

2 stops23h 53m

$1,104

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 6/12

5:30 am-7:50 am

2 stops33h 20m

Melbourne

Fri 6/19

10:00 am-4:47 pm

1 stop23h 47m

$1,229

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 8/7

8:00 am-11:35 pm

2 stops22h 35m

Melbourne

Fri 8/14

5:05 pm-11:59 pm

2 stops23h 54m

$1,323

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 8/20

7:35 pm-7:50 am

2 stops43h 15m

Melbourne

Fri 8/28

10:00 am-2:45 pm

2 stops21h 45m

$1,354

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 9/11

7:20 am-11:35 pm

2 stops23h 15m

Melbourne

Wed 12/23

11:00 am-9:25 pm

2 stops29h 25m

$1,399
Quickest round-trip

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 9/7

6:51 pm-7:30 am

1 stop19h 39m

Melbourne

Mon 9/14

6:30 am-11:33 am

2 stops22h 03m

$1,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Melbourne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Melbourne in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Melbourne Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Melbourne Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Melbourne Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Melbourne Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Melbourne Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Melbourne Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,034). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of $1,661). 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?

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated April 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andQantas Airways from Seattle to Melbourne Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
7.9
Good
12,319 reviews
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,465 reviews
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Qantas Airways
7.5
Good
1,028 reviews
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,677 reviews
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Air Canada
7.1
Good
10,982 reviews
Alaska Airlines
7.9
Good
12,319 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

7.9

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Melbourne. You should not have trouble finding flights to Melbourne from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Melbourne per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Seattle airport to Melbourne. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

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

    There are many flights that can get you from Seattle to Melbourne Airport in 21h 53m. Fly via United Airlines or Delta to get the fastest option. The distance from Seattle to Melbourne Airport is about 8180 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Melbourne Airport round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Melbourne Airport, with prices starting at $97. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at $385 and $1,003, respectively. Alaska Airlines is priced at 92% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Melbourne Airport one-way?

    $495 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $578 and $591, respectively.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,034). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of $1,661). 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

Traveling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Apollo Bay
Phillip Island
Tullamarine
Doncaster

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Alternative routes for Seattle to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Melbourne flights

Top 6 airlines flying from Seattle to Melbourne

Discover the top 6 airlines that operate flights from Seattle to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$97Average$1,632FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$385Average$1,118FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,003Average$1,682FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,015Average$1,526FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,034Average$1,169FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,153Average$1,271FlexibilityNo cancel feeOn-time72%

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