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$386+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Melbourne are usually found in June or February, booked 67 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap 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 August 21, 2025.

Round-trip from

$814
(Air Canada)

One-way from

$386
(Air Canada)

Popular in

December

Cheapest in

June

Average price

$1,295
From Seattle/Tacoma Intl to Melbourne
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One-way flight from Seattle/Tacoma Intl to Melbourne
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Highest demand for flights based on searches. 10% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 21, 2025.

This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:15 pmSEA - MEL
2 stops23h 10mMultiple Airlines
Tue 9/96:00 amMEL - SEA
2 stops20h 22mMultiple Airlines
Deal found 8/19$836
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:15 pmSEA - MEL
2 stops23h 20mMultiple Airlines
Sun 11/98:10 amMEL - SEA
2 stops20h 21mMultiple Airlines
Deal found 8/19$845
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:00 pmSEA - MEL
2 stops23h 45mAir Canada
Tue 12/236:50 pmMEL - SEA
2 stops33h 41mAir Canada
Deal found 8/20$855
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 pmSEA - MEL
2 stops23h 15mAir Canada
Tue 12/236:50 pmMEL - SEA
2 stops33h 41mAir Canada
Deal found 8/20$866
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/92:55 pmSEA - MEL
2 stops27h 10mAir Canada
Tue 9/236:00 amMEL - SEA
2 stops25h 16mAir Canada
Deal found 8/20$879
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:00 pmSEA - MEL
2 stops23h 15mMultiple Airlines
Tue 12/236:45 amMEL - SEA
2 stops21h 46mMultiple Airlines
Deal found 8/20$884
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:30 amSEA - MEL
2 stops37h 05mAir Canada
Mon 9/159:40 pmMEL - SEA
2 stops33h 36mAir Canada
Deal found 8/19$893
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 pmSEA - MEL
2 stops23h 15mAir Canada
Mon 12/226:50 pmMEL - SEA
2 stops33h 41mAir Canada
Deal found 8/20$904
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:50 amSEA - MEL
2 stops34h 15mAir Canada
Tue 12/236:50 pmMEL - SEA
2 stops33h 41mAir Canada
Deal found 8/19$905

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 August 21, 2025.
Use the filters below to find and compare flights from Seattle to Melbourne Airport that are best for you.

Fly from

Seattle

Fly to

Melbourne

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-9:31 am

2 stops20h 21m

$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-9:31 am

2 stops33h 41m

$855

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 2/10

3:40 pm-2:15 pm

2 stops27h 35m

Melbourne

Sat 2/28

7:50 pm-9:31 am

2 stops32h 41m

$862

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 12/11

8:00 pm-2:15 pm

2 stops23h 15m

Melbourne

Tue 12/23

6:50 pm-9:31 am

2 stops33h 41m

$866

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 12/13

10:05 am-10:35 am

2 stops29h 30m

Melbourne

Thu 12/25

10:00 am-7:16 pm

2 stops28h 16m

$867

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 12/12

5:50 am-2:45 pm

2 stops37h 55m

Melbourne

Thu 12/25

10:00 am-10:06 pm

2 stops31h 06m

$867

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 12/11

5:50 am-2:15 pm

2 stops37h 25m

Melbourne

Thu 12/25

10:00 am-9:31 am

2 stops42h 31m

$867

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 1/24

3:40 pm-3:35 pm

2 stops28h 55m

Melbourne

Thu 2/5

8:10 am-9:31 am

2 stops20h 21m

$872

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 12/15

8:00 pm-2:15 pm

2 stops23h 15m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 17 results
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
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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Melbourne. Price data was last updated on August 8, 2025.

Booking 67 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 $1,071). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of $1,774). 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.

What is the cheapest time of day to fly from SEA to MEL?

Find hourly flight availability from Seattle to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Seattle to Melbourne Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Melbourne Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Melbourne. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Melbourne Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 21, 2025.
Get a feel of what it's like to fly with Air New Zealand, Qantas Airways, and United Airlines 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.
Air New Zealand
8.0
Very good
504 reviews

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air New Zealand
8.0
Very good
504 reviews
Air New Zealand
8.0
Very good
504 reviews

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Qantas Airways
7.5
Good
898 reviews
Air New Zealand
8.0
Very good
504 reviews

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
United Airlines
7.4
Good
8,928 reviews
Air New Zealand
8.0
Very good
504 reviews

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air Canada
7.1
Good
10,000 reviews
Air New Zealand
8.0
Very good
504 reviews

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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 4 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 23h 15m. Fly via Air Canada to get the fastest option. The distance from Seattle to Melbourne Airport is about 8180 mi.

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

    Flying on Air Canada is currently your cheapest option to Melbourne Airport, with prices starting at $909. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at $1,042 and $1,108, respectively. Air Canada is priced at 35% 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,071). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of $1,774). 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
Geelong
Tullamarine
Doncaster
Phillip Island

Browse thousands of different options on Cheapflights for your next trip

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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
Seattle to Avalon flights
Portland to Avalon flights
Pasco to Melbourne flights

Top 4 airlines flying from Seattle to Melbourne

Discover the top 4 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$909Average$1,096FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,042Average$1,210FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,108Average$1,499FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,516Average$1,971FlexibilityNo cancel feeOn-time78%

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