A modern shopping mall with prominent stores like Chanel, Dior, and Clarins.

£444 Cheap Flights from Seattle (SEA) to Melbourne (MEL)

View £444 flight on Wed, 5 Aug 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Melbourne Airport (MEL)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to Melbourne (MEL)

Prices were available within the past 7 days and start at £444 for one-way flights and £825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Wed, 5 Aug - Wed, 12 Aug
SEA
Seattle
MEL
Melbourne
£825 Return, found 3 days ago
£825
Return
found 3 days ago
Select Qantas Airways flight, departing Wed, 5 Aug from Seattle to Melbourne, returning Wed, 12 Aug, priced at £825 found 3 days ago
Delta
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£851 Return, found 5 hours ago
£851
Return
found 5 hours ago
Select Delta flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £851 found 5 hours ago
United
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£855 Return, found 5 hours ago
£855
Return
found 5 hours ago
Select United flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £855 found 5 hours ago
United
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£862 Return, found 5 hours ago
£862
Return
found 5 hours ago
Select United flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £862 found 5 hours ago
United
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£865 Return, found 5 hours ago
£865
Return
found 5 hours ago
Select United flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £865 found 5 hours ago
United
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£868 Return, found 5 hours ago
£868
Return
found 5 hours ago
Select United flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £868 found 5 hours ago
United
Fri, 18 Sept - Wed, 30 Sept
SEA
Seattle
MEL
Melbourne
£871 Return, found 5 hours ago
£871
Return
found 5 hours ago
Select United flight, departing Fri, 18 Sept from Seattle to Melbourne, returning Wed, 30 Sept, priced at £871 found 5 hours ago
Qantas Airways
Wed, 5 Aug - Wed, 12 Aug
SEA
Seattle
MEL
Melbourne
£899 Return, found 3 days ago
£899
Return
found 3 days ago
Select Qantas Airways flight, departing Wed, 5 Aug from Seattle to Melbourne, returning Wed, 12 Aug, priced at £899 found 3 days ago
Qatar Airways
Wed, 7 Apr - Wed, 28 Apr
SEA
Seattle
MEL
Melbourne
£1,011 Return, found 11 hours ago
£1,011
Return
found 11 hours ago
Select Qatar Airways flight, departing Wed, 7 Apr from Seattle to Melbourne, returning Wed, 28 Apr, priced at £1,011 found 11 hours ago
Air Canada
Mon, 14 Sept - Mon, 21 Sept
SEA
Seattle
MEL
Melbourne
£1,074 Return, found 3 days ago
£1,074
Return
found 3 days ago
Select Air Canada flight, departing Mon, 14 Sept from Seattle to Melbourne, returning Mon, 21 Sept, priced at £1,074 found 3 days ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) cost?
You can find one-way and return flights from SEA to MEL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to MEL ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA) to Melbourne, VIC (MEL)?
The cheapest months to fly from Seattle, WA (SEA) to Melbourne, VIC (MEL) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine)?
Enter SEA to MEL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA) to Melbourne, VIC (MEL)?
To find a cheap flight from Seattle, WA (SEA) to Melbourne, VIC (MEL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA) to Melbourne, VIC (MEL)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Tullamarine (MEL) typically departs around 12:10 AM. This service is offered by China Airlines, EVA Airways, and Cathay Pacific. This is a seasonal service, active in January and November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine)?
There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Melbourne (MEL). Flights with one stop typically take around 23 hours 50 minutes, covering a distance of approximately 13,174 kilometres. If you have two or more stops, your journey will likely be a bit longer, averaging around 23 hours. Keep in mind that these are average travel times, and the actual duration can vary depending on the specific routing, layover times, and factors like wind patterns.
Can you fly business or first class from Seattle, WA (SEA) to Melbourne, VIC (MEL)?
Select the "Business class" and "First class" filters when looking for Seattle, WA (SEA) to Melbourne, VIC (MEL) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Melbourne, VIC (MEL) from Seattle, WA (SEA)?
If you're planning to travel to Melbourne from Seattle - Tacoma Intl. (SEA), you can fly directly into Tullamarine (MEL). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Vancouver Intl. (YVR), or San Francisco Intl. (SFO) before reaching Melbourne. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA) to Melbourne, VIC (MEL)?
If you booked your Seattle, WA (SEA) to Melbourne, VIC (MEL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Tullamarine
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, American Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
£824
Distance
13096 km

Book with confidence

Compare flights from Seattle to Melbourne easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Melbourne. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Tullamarine in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Tullamarine.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Tullamarine (MEL)

The easiest way to view the best deals on flights from Seattle to Melbourne today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Tullamarine start at just £825 and range up to £1,074.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Melbourne
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Melbourne flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Tullamarine for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seattle to Melbourne easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.