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Cheap flights from Seattle to Melbourne Airport from $706

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
11 Mar — 18 Mar1
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
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 9 February 2026.

Thu 17/923:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Tue 22/906:30
MEL
-
SEA
1 stop30h 35m
Philippine Airlines
Deal found 9/2$1,328
Wed 16/923:10
SEA
-
MEL
1 stop36h 50m
Philippine Airlines
Wed 7/1009:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 6/2$1,349
Thu 5/309:28
SEA
-
MEL
1 stop29h 02m
Multiple Airlines
Mon 9/313:55
MEL
-
SEA
2 stops25h 03m
Multiple Airlines
Deal found 7/2$1,354
Tue 18/823:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Wed 2/908:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 9/2$1,358
Fri 24/420:00
SEA
-
MEL
2 stops22h 25m
Multiple Airlines
Mon 4/506:00
MEL
-
SEA
2 stops20h 15m
Multiple Airlines
Deal found 9/2$1,361
Sat 21/220:00
SEA
-
MEL
2 stops22h 40m
Multiple Airlines
Sat 7/307:10
MEL
-
SEA
2 stops21h 21m
Multiple Airlines
Deal found 6/2$1,362
Mon 9/312:50
SEA
-
MEL
1 stop26h 40m
Multiple Airlines
Mon 16/313:55
MEL
-
SEA
2 stops26h 48m
Multiple Airlines
Deal found 8/2$1,368
Thu 20/823:10
SEA
-
MEL
1 stop38h 20m
Philippine Airlines
Wed 2/908:00
MEL
-
SEA
1 stop29h 05m
Philippine Airlines
Deal found 9/2$1,393
Tue 21/411:45
SEA
-
MEL
1 stop25h 10m
Cathay Pacific
Sun 3/523:45
MEL
-
SEA
1 stop27h 20m
Cathay Pacific
Deal found 9/2$1,420
Wed 8/411:45
SEA
-
MEL
1 stop41h 30m
Cathay Pacific
Mon 20/423:45
MEL
-
SEA
1 stop27h 20m
Cathay Pacific
Deal found 7/2$1,423
Thu 20/823:10
SEA
-
MEL
1 stop30h 55m
Multiple Airlines
Wed 2/913:25
MEL
-
SEA
2 stops22h 31m
Multiple Airlines
Deal found 9/2$1,426

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 9 February 2026.

Round-trip from

$1,294

One-way from

$706

Popular in

November

Cheapest in

February

Average price

$1,491
17/3-1/5
  • 17/3-1/5
  • 4 total stops
  • 47h 58m total
  • Seattle to Melbourne
Search Deals
15/3
  • 15/3
  • 1 total stop
  • 31h 35m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($382 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 9 February 2026.
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

Thu 5/3

09:28-09:30

1 stop29h 02m

Melbourne

Mon 9/3

13:55-20:58

2 stops25h 03m

$1,354

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 9/3

12:50-09:30

1 stop26h 40m

Melbourne

Mon 16/3

13:55-22:43

2 stops26h 48m

$1,368

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 9/3

19:05-09:30

1 stop20h 25m

Melbourne

Mon 16/3

12:00-18:57

1 stop24h 57m

$1,470

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 21/2

06:44-05:00

1 stop27h 16m

Melbourne

Sat 7/3

12:00-18:58

1 stop25h 58m

$1,473

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 10/3

17:50-09:30

1 stop21h 40m

Melbourne

Tue 24/3

12:00-17:01

1 stop23h 01m

$1,473

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 27/3

20:00-12:10

2 stops22h 10m

Melbourne

Fri 3/4

06:15-09:33

2 stops21h 18m

$1,502

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 21/4

11:35-08:15

1 stop27h 40m

Melbourne

Sun 3/5

09:30-21:06

2 stops28h 36m

$1,505

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 5/3

17:20-10:00

1 stop21h 40m

Melbourne

Mon 9/3

12:00-18:39

1 stop24h 39m

$1,505

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 4/3

19:29-10:00

1 stop19h 31m

Melbourne

Sun 15/3

12:00-18:32

1 stop24h 32m

$1,505

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 7/4

11:45-05:55

1 stop25h 10m

$726

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 15 results
1
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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 return 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 return flight from Seattle to Melbourne. Price data was last updated on 6 February 2026.

The best time to book flights from Seattle to Melbourne Airport is 73 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 Airport?

Currently, August is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,134). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,427). 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.

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 9 February 2026.
Read through reviews of airlines operating flights from Seattle to Melbourne Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,262 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,262 reviews
United Airlines
7.4
Good
9,262 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    If you book a flight to Melbourne from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Melbourne per day from 1 airline.

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

    Currently priced at $1,434, United Airlines will fly you from Seattle to Melbourne Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Seattle to Melbourne Airport for 22% less than the average price by searching for this airline.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $546. Users have also found prices from $699 and $819 on Qantas Airways and United Airlines, 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 holiday 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, August is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $1,134). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,427). 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
Geelong
Dandenong
Ballarat
Apollo Bay
St Kilda
Tullamarine
Phillip Island
Lorne
Sorrento
Shepparton
Torquay
Daylesford
Mornington
Brighton

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

Top airline flying from Seattle to Melbourne

Discover the top airline 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 647,157 searches. Data last updated 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,434Average$1,870FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Melbourne?

Deals for Seattle to Melbourne flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Melbourne for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Seattle to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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