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Cheap flights from Seattle to Melbourne Airport from $593

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
21 Aug — 28 Aug1
1 adult

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 Wednesday or Tuesday and return on a Monday

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 16 August 2025.

Round-trip from

$1,251

One-way from

$593

Popular in

December

Cheapest in

June

Average price

$1,990
Air Canada
  • Air Canada
  • 8/2-14/2
  • 4 total stops
  • 49h 31m total
  • Seattle to Melbourne
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Air Canada
  • Air Canada
  • 30/11
  • 2 total stops
  • 22h 35m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($396 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($115 potential savings vs. average return price).
Search Deals
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 16 August 2025.

Tue 9/1215:40SEA - MEL
2 stops23h 55mAir Canada
Fri 27/208:10MEL - SEA
2 stops20h 21mAir Canada
Deal found 13/8$1,257
Sat 22/1115:40SEA - MEL
2 stops28h 05mAir Canada
Fri 28/1108:00MEL - SEA
2 stops20h 31mAir Canada
Deal found 14/8$1,274
Wed 5/1120:00SEA - MEL
2 stops24h 30mMultiple Airlines
Fri 24/406:00MEL - SEA
2 stops20h 33mMultiple Airlines
Deal found 14/8$1,281
Sat 18/1019:15SEA - MEL
2 stops23h 20mMultiple Airlines
Sat 25/1019:50MEL - SEA
2 stops41h 26mMultiple Airlines
Deal found 15/8$1,294
Sat 18/1019:15SEA - MEL
2 stops23h 20mMultiple Airlines
Sun 9/1108:10MEL - SEA
2 stops25h 16mMultiple Airlines
Deal found 15/8$1,298
Fri 14/1120:00SEA - MEL
2 stops26h 25mMultiple Airlines
Fri 28/1107:10MEL - SEA
2 stops21h 21mMultiple Airlines
Deal found 14/8$1,312
Fri 12/1220:00SEA - MEL
2 stops23h 45mAir Canada
Tue 23/1218:50MEL - SEA
2 stops38h 36mAir Canada
Deal found 14/8$1,315
Sun 19/1005:30SEA - MEL
2 stops38h 50mAir Canada
Wed 29/1006:40MEL - SEA
2 stops33h 26mAir Canada
Deal found 15/8$1,326
Sun 19/1014:55SEA - MEL
2 stops29h 25mAir Canada
Mon 3/1108:00MEL - SEA
2 stops20h 31mAir Canada
Deal found 15/8$1,332
Thu 11/1215:40SEA - MEL
2 stops27h 35mAir Canada
Tue 23/1218:50MEL - SEA
2 stops38h 36mAir Canada
Deal found 15/8$1,334
Sat 18/1019:15SEA - MEL
2 stops27h 05mMultiple Airlines
Sat 1/1106:30MEL - SEA
2 stops25h 56mMultiple Airlines
Deal found 15/8$1,341

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 16 August 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 9/12

15:40-10:35

2 stops23h 55m

Melbourne

Fri 27/2

08:10-09:31

2 stops20h 21m

$1,257

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 22/11

15:40-14:45

2 stops28h 05m

Melbourne

Fri 28/11

08:00-09:31

2 stops20h 31m

$1,274

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 15/12

05:50-17:40

2 stops40h 50m

Melbourne

Sun 15/2

07:10-09:31

2 stops21h 21m

$1,281

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 18/10

19:15-12:35

2 stops23h 20m

Melbourne

Sun 9/11

08:10-14:26

2 stops25h 16m

$1,298

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 14/11

20:00-17:25

2 stops26h 25m

Melbourne

Fri 28/11

07:10-09:31

2 stops21h 21m

$1,312

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 21/11

05:50-14:45

2 stops37h 55m

Melbourne

Thu 27/11

08:10-09:31

2 stops20h 21m

$1,326

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 20/11

15:40-15:15

2 stops28h 35m

Melbourne

Thu 27/11

08:10-09:31

2 stops20h 21m

$1,326

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 22/11

20:00-14:45

2 stops23h 45m

Melbourne

Thu 27/11

08:10-22:06

2 stops32h 56m

$1,326

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 23/11

10:05-15:15

2 stops34h 10m

Melbourne

Thu 27/11

08:10-09:31

2 stops20h 21m

$1,326

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 24/11

20:00-14:15

2 stops23h 15m

Melbourne

Sun 30/11

18:50-09:31

2 stops33h 41m

$1,332

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 22 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 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 8 August 2025.

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $132). Flying from Seattle to Melbourne Airport in October is currently the most expensive (average of $184). 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’s the top stopover airport for flights from Seattle to Melbourne Airport?

Share of one-stop return flights from Seattle to Melbourne Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

San Francisco (SFO) – chosen by Cheapflights users on 77% of one-stop itineraries from Seattle to Melbourne Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Seattle to Melbourne Airport?

Average return fare for one-stop flights from Seattle to Melbourne Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $2,123.

What’s the fastest stopover option from Seattle to Melbourne Airport?

Shortest average travel time for one-stop one-way flights from Seattle to Melbourne Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 19h 52m.

Which airport typically offers the quickest stopover for flights from Seattle to Melbourne Airport?

Average stopover duration for one-stop one-way flights from Seattle to Melbourne Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 31m.

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 16 August 2025.
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
8,916 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $1,549, 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 28% less than the average price by searching for this airline.

  • 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, May is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $132). Flying from Seattle to Melbourne Airport in October is currently the most expensive (average of $184). 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
Dandenong
Geelong
Ballarat
Tullamarine
Apollo Bay
St Kilda
Lorne
Phillip Island
Torquay
Daylesford
Shepparton
Mornington
Sorrento
Doncaster

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 16 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,549Average$2,215FlexibilityNo 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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