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$470+ Cheap flights from Seattle (SEA) to Melbourne

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Melbourne are usually found in February or June, 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 (ME1). 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 October 1, 2025.

Round-trip from

$907
(Gotogate)

One-way from

$470
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$1,304
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. 13% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 1, 2025.

This Gotogate deal was found by Cheapflights users on 9/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:30 pmSEA - MEL
1 stop40h 05mPhilippine Airlines
Sun 11/910:20 amMEL - SEA
1 stop27h 20mPhilippine Airlines
Deal found 9/29$907
This KAYAK deal was found by Cheapflights users on 9/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:35 pmSEA - MEL
1 stop37h 55mPhilippine Airlines
Fri 11/2810:20 amMEL - SEA
1 stop27h 20mPhilippine Airlines
Deal found 9/30$1,006
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 12/37:29 pmSEA - MEL
1 stop19h 31mUnited Airlines
Wed 12/171:00 pmMEL - SEA
1 stop18h 18mUnited Airlines
Deal found 9/30$1,007
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 12/37:29 pmSEA - MEL
1 stop19h 31mUnited Airlines
Mon 12/221:00 pmMEL - SEA
1 stop18h 27mUnited Airlines
Deal found 9/30$1,014
This United Airlines deal was found by Cheapflights users on 9/30. 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 12/135:05 amSEA - MEL
2 stops33h 25mUnited Airlines
Sat 12/271:00 pmMEL - SEA
2 stops28h 59mUnited Airlines
Deal found 9/30$1,019
This oojo deal was found by Cheapflights users on 9/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:30 pmSEA - MEL
2 stops24h 15mMultiple Airlines
Fri 11/212:15 pmMEL - SEA
2 stops21h 33mMultiple Airlines
Deal found 9/30$1,074
This oojo deal was found by Cheapflights users on 9/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:30 pmSEA - MEL
2 stops25h 15mMultiple Airlines
Tue 11/112:15 pmMEL - SEA
2 stops23h 42mMultiple Airlines
Deal found 9/29$1,075
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:57 pmSEA - MEL
2 stops45h 48mMultiple Airlines
Mon 11/172:15 pmMEL - SEA
2 stops21h 41mMultiple Airlines
Deal found 10/1$1,083
This Delta deal was found by Cheapflights users on 9/30. 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.
Wed 12/35:25 amSEA - MEL
2 stops31h 35mDelta
Sun 12/2110:10 amMEL - SEA
1 stop19h 35mDelta
Deal found 9/30$1,106
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:10 pmSEA - AVV
3 stops30h 40mMultiple Airlines
Sun 11/96:00 amAVV - SEA
3 stops27h 20mMultiple Airlines
Deal found 9/29$1,496
This Orbitz deal was found by Cheapflights users on 9/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:50 pmSEA - AVV
2 stops33h 25mMultiple Airlines
Tue 11/113:00 pmAVV - SEA
2 stops26h 00mMultiple Airlines
Deal found 9/29$1,526
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:50 pmSEA - AVV
2 stops34h 25mMultiple Airlines
Mon 11/38:10 amAVV - SEA
2 stops29h 47mMultiple Airlines
Deal found 9/29$1,540

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 October 1, 2025.
Use the filters below to find and compare flights from Seattle to Melbourne that are best for you.

Fly from

Seattle

Fly to

Melbourne

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/11

10:30 pm-4:10 am

1 stop35h 40m

Melbourne

Wed 3/25

10:20 am-7:40 pm

1 stop27h 20m

$976

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 3/17

7:32 pm-9:00 am

1 stop19h 28m

Melbourne

Fri 3/27

10:30 am-1:58 pm

1 stop21h 28m

$1,007

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 3/12

5:00 pm-9:00 am

1 stop22h 00m

Melbourne

Wed 3/25

10:30 am-9:29 pm

2 stops28h 59m

$1,007

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 3/14

5:00 pm-9:00 am

1 stop22h 00m

Melbourne

Wed 3/25

10:30 am-9:29 pm

2 stops28h 59m

$1,007

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 12/8

3:25 pm-10:00 am

1 stop23h 35m

Melbourne

Mon 12/22

11:30 am-9:17 pm

2 stops28h 47m

$1,014

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/2

9:20 am-10:00 am

1 stop29h 40m

Melbourne

Thu 3/12

10:30 am-9:29 pm

2 stops28h 59m

$1,014

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 3/4

5:20 pm-10:00 am

1 stop21h 40m

Melbourne

Sun 3/15

10:30 am-9:29 pm

2 stops28h 59m

$1,015

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 2/1

5:12 pm-9:30 am

1 stop21h 18m

Melbourne

Mon 3/2

1:00 pm-6:26 pm

1 stop24h 26m

$1,015

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 2/21

7:29 pm-10:00 am

1 stop19h 31m

Melbourne

Sat 3/7

11:30 am-9:29 pm

2 stops28h 59m

$1,015

SeattleMelbourne

SEA - AVV

SEAAVV

Seattle/Tacoma Intl

Sun 10/26

3:10 pm-3:50 pm

3 stops30h 40m

Melbourne Avalon

Sun 11/9

6:00 am-2:20 pm

3 stops27h 20m

$1,496

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 31 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Melbourne. Price data was last updated on September 26, 2025.

The best time to book flights from Seattle to Melbourne is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Melbourne (average of $1,071). Flying from Seattle to Melbourne 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 October 1, 2025.

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

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

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 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.

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 October 1, 2025.
Read reviews from past customers who have flown Qantas Airways, United Airlines, and Air Canada from Seattle to Melbourne. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
910 reviews

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
910 reviews
Qantas Airways
7.5
Good
910 reviews

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,929 reviews
Qantas Airways
7.5
Good
910 reviews

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Air Canada
7.1
Good
10,223 reviews
Qantas Airways
7.5
Good
910 reviews

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Melbourne. 3 airlines 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?

    There are many flights that can get you from Seattle to Melbourne in 19h 28m. Fly via Philippine Airlines or United Airlines to get the fastest option. The distance between Seattle and Melbourne is about 8180 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Air Canada ($855), Qantas Airways ($1,042), and United Airlines ($1,108) offers the cheapest pricing from Seattle to Melbourne. Air Canada is currently priced 38% below the average price you’ll pay for this route.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne (average of $1,071). Flying from Seattle to Melbourne 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

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

Top 3 airlines flying from Seattle to Melbourne

Discover the top 3 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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$855Average$1,059FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,042Average$1,169FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,108Average$1,527FlexibilityNo cancel feeOn-time69%

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